March 27, ALERT: ASTEROID 2014-YB35, NASA CLASSIFIED AS “Potentially Hazardous Asteroid.”
Wednesday, March 25, 2015 20:56
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ALERT: ASTEROID 2014-YB35, NASA CLASSIFIED AS “Potentially Hazardous Asteroid.”
Have you heard?
On March 27, 2015 we are going to be having a close call with 500 meter wide asteroid, named 2014-yb35. According to NASA the asteroid 2014-yb35 was visible on March 9th and will be up until March 30. It will be “potentially hazardous” at or about March 27th. I don’t normally pay that close to asteroids and or other space rocks, of sort, unless I see “Potentially Hazardous Asteroids.” written next to them. So, friends and readers, just keeping you posted. If you know how to read the numbers below, and would like to share any pertinent info within, please do.
Prayer is always a good Idea. For one never knows what God may have in mind for tomorrow.
Written by:Pat N. DeHat, sharing a lot about that.
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The following is from the NASA website;http://echo.jpl.nasa.gov/asteroids/2002FG7/2002FG7_planning.html
Goldstone Radar Observations Planning: 2002 FG7 and 2014 YB35
Background
This is a planning page for asteroids 2002 FG7 and 2014 YB35 in March 2015. 2002 FG7 2002 FG7 was discovered on 2002 Mar 28 by NEAT. This object has an absolute magnitude of 18.9, suggesting a diameter of roughly 500 m, but otherwise its physical properties are unknown. This asteroid will approach within 0.05 AU on 2015 Mar 13 but will not be observable by radar until March 17, when it enters the Goldstone declination window. The radar SNRs are not high enough for imaging the target however we expect to obtain continuous wave (CW) spectra. The bandwidth of the echo in the CW spectra combined with a size assumption will provide an estimate of the rotation period of the asteroid. The circular polarization ratio of the object will provide clues to the composition of the object. We are scheduled to observe 2002 FG7 at DSS-14 on 2015 Mar 17. Between Mar 11 and Apr 2 this object will be brighter than 17th magnitude and reach an elongation of about 160 degrees during which optical lightcurves could be obtained. 2014 YB35 2014 YB35 was discovered on 2014 Dec 27 by the Catalina Sky Survey. It has an absolute magnitude of 18.9, suggesting a diameter of roughly 500 m, but otherwise its physical properties are unknown. 2014 YB35 will approach within 0.03 AU on 2015 Mar 27. It will get close enough to be observed using Goldstone on Mar 09 and will be observable till Mar 30 after which it will exit the Goldstone declination window to the south. We are scheduled to observe this object on Mar 20 and we expect to obtain CW spectra and coarse-resolution range-Doppler images. The object will reach magnitudes brighter than 17 during mid-March when it could be a lightcurve target. The Minor Planet Center has classified 2002 FG7 and 2014 YB35 as "Potentially Hazardous Asteroids."
Orbital and Physical Characteristics Provisional Designation 2002 FG7 2014 YB35 Asteroid number 141527 none Discoverer NEAT CSS Discovery date 2002 Mar 28 2014 Dec 27 orbit type Apollo Apollo Close approach dist. 0.044 AU 0.030 AU Close approach dist. 17.1 lunar distances 11.7 LD Close approach date 2015 Mar 13 2015 Mar 27 semimajor axis 1.513 AU 1.875 AU eccentricity 0.627 0.483 inclination 9.2 deg 12.7 deg perihelion distance 0.565 AU 0.969 AU aphelion distance 2.463 AU 2.780 AU Tisserand parameter 4.267 3.801 absolute magnitude (H) 18.9 18.9 diameter 0.52 km 0.52 km optical albedo unknown unknown rotation period unknown unknown pole direction unknown unknown lightcurve amplitude unknown unknown spectral class unknown unknown PHA PHA Last update: 2015 March 20
Discovery M.P.E.C.
2002 FG7 2002 FG7 http://www.minorplanetcenter.org/mpec/K02/K02G03.html
2014 YB35 2014 YB35 www.minorplanetcenter.net/mpec/K14/K14Y89.html
SNR Calculations
2002 FG7 GOLDSTONE SNRS Assumptions: D = 0.52 km, P = 2.1 h, OC radar albedo = 0.1 start date window RA, dec dist runs SNR/day SNR/run 2015 Mar 17 05:54-09:10 169, -31 0.061 96 30 3 Scheduled 2015 Mar 18 04:54-10:04 170, -24 0.070 134 25 2 2015 Mar 19 04:20-10:31 170, -19 0.078 142 18 2 2015 Mar 20 03:58-10:48 171, -15 0.088 140 12 1 2015 Mar 21 03:40-10:58 171, -12 0.098 135 9 1 2015 Mar 22 03:27-11:05 171, -9 0.108 128 6 1 Goldstone SNRs assume Ptx = 450 kW. ARECIBO SNRS start date window RA, dec dist runs SNR/day SNR/run 2015 Mar 27 03:22-03:54 172, -1 0.160 6 6 3 2015 Mar 28 03:05-04:05 172, 0 0.171 10 7 2 2015 Mar 29 02:53-04:09 172, +1 0.183 12 7 2 2015 Mar 30 02:44-04:11 172, +2 0.194 13 6 2 2015 Mar 31 02:37-04:12 172, +2 0.205 13 5 2 2015 Apr 01 02:30-04:11 172, +3 0.217 14 5 1 Assumptions: Ptx = 900 kW, Tsys = 23 K 2014 YB35 GOLDSTONE SNRS Assumptions: D = 0.52 km, P = 2.1 h, OC radar albedo = 0.1 start date window RA, dec dist runs SNR/day SNR/run 2015 Mar 12 17:18-09:50 78, +66 0.087 344 21 1 2015 Mar 13 17:14-09:28 75, +65 0.082 359 27 2 2015 Mar 14 17:10-09:04 73, +64 0.077 376 35 2 2015 Mar 15 17:07-08:40 71, +63 0.072 394 45 2 2015 Mar 16 17:04-08:14 68, +61 0.067 414 60 3 2015 Mar 17 17:01-07:47 65, +59 0.062 437 82 4 2015 Mar 18 16:58-07:19 62, +57 0.057 461 110 6 2015 Mar 19 16:56-06:49 59, +54 0.052 487 160 8 2015 Mar 20 16:55-06:19 56, +51 0.047 516 220 11 Scheduled 2015 Mar 21 16:54-05:46 53, +46 0.043 546 320 15 2015 Mar 22 16:54-05:12 50, +41 0.039 574 460 21 2015 Mar 23 16:56-04:36 47, +34 0.036 597 640 29 2015 Mar 24 17:00-03:57 44, +26 0.033 609 870 38 2015 Mar 25 17:07-03:16 40, +17 0.031 600 1100 48 2015 Mar 26 17:17-02:31 37, +7 0.030 563 1200 53 2015 Mar 27 17:32-01:41 34, -4 0.030 495 1100 52 2015 Mar 28 17:53-00:47 30, -14 0.031 401 780 42 2015 Mar 29 18:22-23:44 27, -23 0.034 291 480 30 2015 Mar 30 19:10-22:25 24, -31 0.037 162 240 19 Goldstone SNRs assume Ptx = 450 kW. ARECIBO SNRS start date window RA, dec dist runs SNR/day SNR/run 2015 Mar 23 18:49-20:20 47, +35 0.036 76 5100 640 2015 Mar 24 18:02-20:32 44, +27 0.033 138 11100 1000 2015 Mar 25 17:37-20:20 41, +18 0.031 152 14900 1300 2015 Mar 26 17:32-19:48 37, +8 0.030 143 15900 1400 Assumptions: Ptx = 900 kW, Tsys = 23 K
Track Assignments
DOY BOA BOT EOT EOA
076 0425 0555 0910 0940 DSS-14 GSSR AST 2002 FG7
079 0105 0235 0620 0650 DSS-14 GSSR AST 2014 YB35
Transmit Authorization Times:
076 MAR-17-2015 0555Z 0910Z 14 AST 2002 FG7
079 MAR-20-2015 0135Z 0620Z 14 AST 2014 YB35
Goldstone tracks:
UT UT PDT Duration Round-trip
DOY Date TX Window TX Window hh:mm time (sec)
076 Mar 17 0555-0910 1055-0210 Mar 16-17 3:15 59 2002 FG7
079 Mar 20 0135-0620 1835-2320 Mar 19 4:45 51 2014 YB35
Arecibo tracks:
UT UT PDT Duration Round-trip
Date TX Window TX Window hh:mm time (sec)
086 Mar 27 0322-0354 20:22-20:54 Mar 26 00:32 159 2002 FG7, can be observed at the time scheduled for AO survey project R2957
2014 YB35 is not scheduled at Arecibo
Uncertainties
2002 FG7 JPL/Horizons solution 37, # obs: 122 (1990-2012): Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2015-Mar-01 00:00 *m 354.48609 -31.98028 0.14438119439284 14.654 8.84 32.13 0.006272 2015-Mar-02 00:00 *m 354.69087 -33.53082 0.13363231647367 15.931 9.29 33.77 0.005950 2015-Mar-03 00:00 *m 354.92382 -35.32265 0.12305886599162 17.411 9.90 35.98 0.005610 2015-Mar-04 00:00 * 355.19809 -37.41900 0.11267967323395 19.145 10.73 38.98 0.005245 2015-Mar-05 00:00 * 355.53359 -39.90520 0.10252424386151 21.195 11.85 43.08 0.004845 2015-Mar-06 00:00 * 355.96231 -42.89780 0.09263790188164 23.642 13.41 48.72 0.004398 2015-Mar-07 00:00 * 356.53953 -46.55731 0.08308989867689 26.583 15.56 56.57 0.003886 2015-Mar-08 00:00 * 357.37038 -51.10429 0.07398625721620 30.121 18.57 67.47 0.003284 2015-Mar-09 00:00 * 358.68323 -56.83435 0.06548973822559 34.322 22.68 82.42 0.002562 2015-Mar-10 00:00 * 1.08540 -64.11138 0.05784866873130 39.108 28.03 101.86 0.001693 2015-Mar-11 00:00 * 6.88608 -73.25779 0.05142999897454 44.018 34.08 123.87 0.000777 2015-Mar-12 00:00 * 36.34839 -83.63153 0.04672976550995 47.909 38.78 140.93 0.001094 2015-Mar-13 00:00 * 145.49674 -79.97538 0.04429450276331 49.115 38.49 139.90 0.002394 2015-Mar-14 00:00 * 161.45728 -66.40830 0.04450046905548 46.748 31.38 114.05 0.003642 2015-Mar-15 00:00 * 165.75753 -53.27838 0.04732188222230 41.860 20.63 74.98 0.004561 2015-Mar-16 00:00 * 167.72952 -42.05737 0.05235057084486 36.355 11.07 40.22 0.005099 2015-Mar-17 00:00 * 168.86022 -33.04448 0.05904112182968 31.398 4.81 17.47 0.005341 2015-Mar-18 00:00 * 169.59474 -25.97834 0.06691462646778 27.291 2.23 8.10 0.005397 2015-Mar-19 00:00 *m 170.11233 -20.44739 0.07562124244709 23.962 2.76 10.01 0.005349 2015-Mar-20 00:00 *m 170.49909 -16.07697 0.08492431705189 21.255 3.51 12.77 0.005244 2015-Mar-21 00:00 *m 170.80156 -12.57564 0.09466740424264 19.031 3.92 14.26 0.005113 2015-Mar-22 00:00 *m 171.04712 -9.72899 0.10474679638549 17.181 4.09 14.86 0.004970 2015-Mar-23 00:00 *m 171.25293 -7.38170 0.11509278698413 15.623 4.11 14.93 0.004823 2015-Mar-24 00:00 *m 171.43029 -5.42102 0.12565769477762 14.295 4.05 14.71 0.004677 2014 YB35 JPL/Horizons solution 48, # obs: 349 (2014-2015): Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2015-Mar-15 00:00 * 73.13711 64.27314 0.07725326117706 0.316 3.15 11.46 0.001964 2015-Mar-16 00:00 * 70.62140 62.90927 0.07202411814294 0.364 3.13 11.37 0.001859 2015-Mar-17 00:00 * 67.99156 61.28125 0.06685317360487 0.433 3.09 11.24 0.001756 2015-Mar-18 00:00 * 65.24693 59.32303 0.06176217083174 0.529 3.05 11.08 0.001655 2015-Mar-19 00:00 *m 62.38905 56.94887 0.05677998037909 0.665 2.99 10.86 0.001556 2015-Mar-20 00:00 *m 59.42205 54.04761 0.05194553953027 0.854 2.91 10.59 0.001459 2015-Mar-21 00:00 *m 56.35296 50.47651 0.04731206197435 1.116 2.82 10.27 0.001364 2015-Mar-22 00:00 *m 53.19199 46.05736 0.04295282823771 1.476 2.73 9.93 0.001271 2015-Mar-23 00:00 *m 49.95276 40.58129 0.03896843709483 1.959 2.67 9.69 0.001179 2015-Mar-24 00:00 *m 46.65225 33.83651 0.03549392617749 2.580 2.69 9.79 0.001085 2015-Mar-25 00:00 *m 43.31065 25.68090 0.03270065120277 3.320 2.90 10.52 0.000989 2015-Mar-26 00:00 *m 39.95076 16.17200 0.03078245898951 4.087 3.26 11.84 0.000893 2015-Mar-27 00:00 *m 36.59717 5.70444 0.02991488572883 4.711 3.60 13.07 0.000806 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta POS_3sigma DOP_S_3sig DOP_X_3sig RT_delay_3sig 2015-Mar-15 00:00 * 73.13766 64.27337 0.07725530449433 5.062 6.53 23.73 0.008479 2015-Mar-16 00:00 * 70.62199 62.90956 0.07202611147010 6.024 6.83 24.81 0.008265 2015-Mar-17 00:00 * 67.99222 61.28160 0.06685511257528 7.218 7.24 26.32 0.008035 2015-Mar-18 00:00 * 65.24764 59.32347 0.06176404969228 8.714 7.83 28.45 0.007785 2015-Mar-19 00:00 *m 62.38982 56.94944 0.05678179140253 10.606 8.68 31.55 0.007505 2015-Mar-20 00:00 *m 59.42287 54.04832 0.05194727215800 13.013 9.93 36.08 0.007185 2015-Mar-21 00:00 *m 56.35383 50.47742 0.04731370159186 16.081 11.76 42.73 0.006807 2015-Mar-22 00:00 *m 53.19291 46.05852 0.04295435451988 19.971 14.40 52.35 0.006349 2015-Mar-23 00:00 *m 49.95371 40.58276 0.03896982205559 24.800 18.11 65.83 0.005779 2015-Mar-24 00:00 *m 46.65324 33.83835 0.03549513265784 30.510 22.98 83.52 0.005062 2015-Mar-25 00:00 *m 43.31167 25.68314 0.03270163378973 36.641 28.63 104.06 0.004166 2015-Mar-26 00:00 *m 39.95181 16.17459 0.03078317074064 42.101 33.82 122.90 0.003102 2015-Mar-27 00:00 *m 36.59822 5.70723 0.02991529259770 45.342 36.50 132.67 0.001984 ********************************************************************************************** Apparent Magnitudes, Solar Elongations, Lunar Elongations, and Lunar Illumination: 2002 FG7 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2015-Mar-10 00:00 * 1.08540 -64.11138 0.05784866873130 17.24 60.3324 /T 100.2/ 84.3 2015-Mar-11 00:00 * 6.88608 -73.25779 0.05142999897454 16.41 70.0104 /T 88.8/ 76.7 2015-Mar-12 00:00 * 36.34839 -83.63153 0.04672976550995 15.63 81.9415 /T 79.4/ 67.9 2015-Mar-13 00:00 * 145.49674 -79.97538 0.04429450276331 14.99 95.7728 /T 75.1/ 58.1 2015-Mar-14 00:00 * 161.45728 -66.40830 0.04450046905548 14.54 110.2929 /T 78.5/ 47.7 2015-Mar-15 00:00 * 165.75753 -53.27838 0.04732188222230 14.29 123.8815 /T 88.9/ 37.1 2015-Mar-16 00:00 * 167.72952 -42.05737 0.05235057084486 14.22 135.4288 /T 103.3/ 26.6 2015-Mar-17 00:00 * 168.86022 -33.04448 0.05904112182968 14.25 144.6699 /T 119.2/ 17.1 2015-Mar-18 00:00 * 169.59474 -25.97834 0.06691462646778 14.34 151.8505 /T 135.3/ 9.1 2015-Mar-19 00:00 *m 170.11233 -20.44739 0.07562124244709 14.47 157.3444 /T 150.5/ 3.3 2015-Mar-20 00:00 *m 170.49909 -16.07697 0.08492431705189 14.61 161.4707 /T 162.0/ 0.3 2015-Mar-21 00:00 *m 170.80156 -12.57564 0.09466740424264 14.77 164.4521 /T 161.2/ 0.4 2015-Mar-22 00:00 *m 171.04712 -9.72899 0.10474679638549 14.94 166.4358 /T 149.7/ 3.6 2015-Mar-23 00:00 *m 171.25293 -7.38170 0.11509278698413 15.12 167.5424 /T 135.6/ 9.4 2015-Mar-24 00:00 *m 171.43029 -5.42102 0.12565769477762 15.32 167.9126 /T 121.2/ 17.3 2015-Mar-25 00:00 *m 171.58692 -3.76429 0.13640832907193 15.52 167.7181 /T 107.0/ 26.7 2015-Mar-26 00:00 *m 171.72829 -2.35007 0.14732122059914 15.72 167.1320 /T 93.3/ 36.8 2015-Mar-27 00:00 *m 171.85836 -1.13206 0.15837955356828 15.92 166.2971 /T 80.0/ 47.2 2015-Mar-28 00:00 *m 171.98009 -0.07484 0.16957115152095 16.12 165.3148 /T 67.2/ 57.3 2015-Mar-29 00:00 *m 172.09573 0.84904 0.18088712700688 16.31 164.2509 /T 54.6/ 66.9 2015-Mar-30 00:00 *m 172.20700 1.66115 0.19232095839734 16.49 163.1462 /T 42.4/ 75.7 2015-Mar-31 00:00 *m 172.31529 2.37861 0.20386784772755 16.66 162.0255 /T 30.3/ 83.4 2015-Apr-01 00:00 *m 172.42168 3.01522 0.21552426736943 16.83 160.9035 /T 18.4/ 89.8 2015-Apr-02 00:00 *m 172.52705 3.58216 0.22728763593845 16.99 159.7887 /T 6.794/ 94.8 2015-Apr-03 00:00 * 172.63212 4.08862 0.23915608395080 17.15 158.6862 /T 6.155/ 98.2 2015-Apr-04 00:00 * 172.73750 4.54219 0.25112828242755 17.29 157.5984 /T 17.7/ 99.8 2015-Apr-05 00:00 * 172.84366 4.94923 0.26320331584642 17.44 156.5266 /T 29.7/ 99.7 2015-Apr-06 00:00 * 172.95102 5.31505 0.27538058632631 17.57 155.4713 /T 41.7/ 97.7 2015-Apr-07 00:00 * 173.05994 5.64417 0.28765973974441 17.70 154.4322 /T 53.9/ 93.9 2015-Apr-08 00:00 * 173.17072 5.94045 0.30004060722308 17.83 153.4091 /T 66.2/ 88.4 2015-Apr-09 00:00 * 173.28360 6.20718 0.31252315738404 17.96 152.4013 /T 78.6/ 81.2 2015-Apr-10 00:00 * 173.39882 6.44721 0.32510745607616 18.08 151.4084 /T 91.3/ 72.6 2014 YB35 Date__(UT)__HR:MN R.A._(a-appar)_DEC. delta APmag S-O-T /r T-O-M/Illu% 2015-Feb-26 00:00 103.47756 71.82835 0.16696912256303 17.36 108.8254 /T 57.8/ 53.1 2015-Feb-28 00:00 100.66438 71.62670 0.15660790765031 17.27 106.9088 /T 53.6/ 72.5 2015-Mar-02 00:00 97.72927 71.32136 0.14617725707632 17.18 104.9131 /T 57.8/ 87.7 2015-Mar-04 00:00 94.64541 70.89533 0.13567650126896 17.08 102.8155 /T 68.4/ 97.2 2015-Mar-06 00:00 91.37747 70.32282 0.12511035867216 16.97 100.5847 /T 82.7/ 99.9 2015-Mar-08 00:00 87.88219 69.56488 0.11449001385070 16.86 98.1772 /T 98.5/ 95.6 2015-Mar-10 00:00 84.10977 68.56240 0.10383488889196 16.74 95.5318 /T 114.2/ 84.5 2015-Mar-12 00:00 80.00663 67.22475 0.09317567834748 16.62 92.5599 /T 127.2/ 67.8 2015-Mar-14 00:00 75.52020 65.41055 0.08255976898092 16.50 89.1295 /T 132.3/ 47.4 2015-Mar-16 00:00 70.60630 62.89432 0.07206131403836 16.38 85.0380 /T 124.2/ 26.1 2015-Mar-18 00:00 65.23920 59.30712 0.06180089034026 16.29 79.9649 /T 104.3/ 8.6 2015-Mar-20 00:00 59.42294 54.03247 0.05198582013311 16.25 73.3931 /T 77.3/ 0.3 2015-Mar-22 00:00 53.20244 46.04710 0.04299432738787 16.39 64.5200 /T 46.5/ 3.8 2015-Mar-24 00:00 46.67258 33.83961 0.03553512456245 17. 52.3994 /T 19.3/ 17.5 2015-Mar-26 00:00 39.98050 16.19968 0.03081924709148 18. 37.6086 /T 37.1/ 36.7 2015-Mar-28 00:00 33.31297 -4.94041 0.03022008021957 20. 27.9512 /T 74.6/ 56.9 2015-Mar-30 00:00 26.86752 -23.94840 0.03398699862935 19. 32.9435 /T 107.5/ 75.1 2015-Apr-01 00:00 20.81795 -37.57585 0.04093751096751 18. 43.0846 /T 127.8/ 89.3 2015-Apr-03 00:00 15.28849 -46.51564 0.04974195038977 18. 51.7058 /T 130.8/ 98.0 2015-Apr-05 00:00 10.34451 -52.35651 0.05955792094372 17.46 58.2933 /L 120.1/ 99.8 2015-Apr-07 00:00 5.99842 -56.26951 0.06992523669316 17.41 63.3831 /L 103.7/ 94.1 2015-Apr-09 00:00 2.22361 -58.97283 0.08058896104873 17.43 67.4526 /L 86.4/ 81.3 2015-Apr-11 00:00 358.96939 -60.89671 0.09139821788362 17.49 70.8253 /L 70.7/ 62.6 2015-Apr-13 00:00 356.17326 -62.30414 0.10225680418248 17.56 73.7126 /L 59.7/ 40.7 2015-Apr-15 00:00 353.76930 -63.36080 0.11309927822722 17.63 76.2543 /L 57.7/ 19.6 2015-Apr-17 00:00 351.69351 -64.17403 0.12387904612850 17.70 78.5454 /L 66.0/ 4.6 2015-Apr-19 00:00 349.88726 -64.81502 0.13456204209827 17.77 80.6516 /L 80.8/ 0.1 2015-Apr-21 00:00 348.29933 -65.33189 0.14512279879235 17.84 82.6197 /L 97.0/ 6.7 2015-Apr-23 00:00 346.88643 -65.75803 0.15554159292337 17.91 84.4831 /L 110.9/ 21.6 2015-Apr-25 00:00 345.61219 -66.11733 0.16580255062180 17.97 86.2669 /L 120.0/ 40.4 2015-Apr-27 00:00 344.44562 -66.42746 0.17589270309853 18.03 87.9901 /L 122.5/ 59.7 2015-Apr-29 00:00 343.35978 -66.70169 0.18580163049787 18.08 89.6678 /L 118.3/ 77.2 2015-May-01 00:00 342.33080 -66.95019 0.19552132047154 18.14 91.3119 /L 108.9/ 90.8 2015-May-03 00:00 341.33718 -67.18077 0.20504608068956 18.19 92.9321 /L 96.4/ 98.7 2015-May-05 00:00 340.35926 -67.39943 0.21437250400268 18.23 94.5366 /L 82.5/ 99.2 2015-May-07 00:00 339.37854 -67.61077 0.22349954302416 18.28 96.1322 /L 69.4/ 91.5 2015-May-09 00:00 338.37725 -67.81817 0.23242872626400 18.32 97.7246 /L 59.8/ 76.0 2015-May-11 00:00 337.33805 -68.02381 0.24116447400562 18.36 99.3187 /L 57.4/ 55.1 2015-May-13 00:00 336.24402 -68.22869 0.24971441287145 18.40 100.9186 /L 63.7/ 32.5 2015-May-15 00:00 335.07907 -68.43255 0.25808956275748 18.43 102.5277 /L 76.8/ 13.2 2015-May-17 00:00 333.82855 -68.63390 0.26630423704579 18.47 104.1482 /L 92.7/ 1.9 2015-May-19 00:00 332.47999 -68.83017 0.27437553616173 18.50 105.7815 /L 107.9/ 1.0
Setups
We don't know what to expect for the bandwidth, so we're going to start with a standard CW setup: CW setup: --------------------------------------------------------------------------- TX polarization RCP RCV polarization LCP & RCP Frequency hops: no hopping Bandwidth: 4000 Hz TXoffset +500 Hz Sampling interval: 2500 x 0.1 usec FFT for PFS files: 4000 for 1.0 Hz resolution Ranging setups: --------------------------------------------------------------------------- 10-usec baud 10 usec code 127 PRP 1270 usec FFT 128 ncoh 1 bandwidth 787 Hz resolution 12.3 Hz TXOFF +100Hz (echo in bin 32 + 8 = 40) --------------------------------------------------------------------------- 11-usec baud 11 usec code 127 PRP 1397 usec FFT 64 ncoh 1 bandwidth 716 Hz resolution 11.2 Hz TXOFF +100 Hz (echo in bin 32 + 9= 41) ------------------------------------------------------------------------- 1-usec baud 1 usec code 255 FFT 512 ncoh 16 bandwidth 245 Hz resolution 0.48 Hz TXOFF +50 Hz ---------------------------------------------------------------------
Instructions
NOTE: Data should be moved to the appropriate subdirectories in aardvark:/export/data0/2002fg7/raw/
POINTING:
OSOD and predicts will be on aardvark: ...not available yet... POINTING TX Offsets Date (UTC) DOY hhmmss RA Dec Macro LHA Dec RTT OSOD ... to be added ... Transmit offsets are given in millidegrees.
PRDX.OUT.14f-14-14.?? TRANSMITTER: STATION #14, RECEIVER: STATION #14 RECEIVER U.T. RANGE DOPPLER LHA DEC RA EL
2002 FG7 GOLDSTONE MASTERLOG
============================================================================== Receive TX Setup hops dwell code ncoh FFT runs start -stop OSOD offset Poln Notes ------------------------------------------------------------------------------
Dr. Lance A. M. Benner | PHONE: (818) 354-7412 Mail Stop 183-601 | FAX: (818) 393-4445 Jet Propulsion Laboratory | email: [email protected] California Institute of Technology | Plan: To live long and prosper Pasadena, CA 91109-8099http://echo.jpl.nasa.gov/asteroids/2011UW158/2011UW158_planning.html
Asteroid Radar Astronomy *************************************************************************************************************
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