163696 (2003 EB50)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5189164089 ± 5.62e-09
Semi-major axis (a)1.5710103633 AU ± 8.42e-10
Inclination (i)29.50238450° ± 1.44e-06
Long. of Asc. Node (Ω)65.60551846° ± 5.61e-07
Arg. of Perihelion (ω)278.95596979° ± 8.51e-07
Mean Anomaly (M)49.35443266° ± 1.24e-06
Mean Motion (n)0.5005456613°/day ± 4.02e-10
Perihelion dist (q)0.75578731 AU ± 8.85e-09
Aphelion dist (Q)2.38623342 AU ± 8.93e-09
Orbital Period1.96910364 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)16.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.454″
Uncertainty0
Orbit TypeApollo
MOID0.052853 AU
Observations Used5959
Radar Obs Used14
Gaia Obs Used95
Oppositions7
Arc Total2003-2017
First Observation Used2003-03-10
Last Observation Used2026-01-01
Observations (8774)
Date Type RA Dec Mag Band Observatory
2021-10-27 12:33:57 S 09 03 10.164 +11 46 58.44 V C57
2021-10-27 12:33:57 s 1 +174370.14 0 +197925.54 1540.0 C57
2021-10-27 12:43:57 S 09 03 10.757 +11 47 19.57 V C57
2021-10-27 12:43:57 s 1 +174252.35 1 +198582.87 9390.0 C57
2021-10-27 12:53:57 S 09 03 10.997 +11 47 40.06 V C57
2021-10-27 12:53:57 s 1 +174133.29 9 +199238.75 3020.0 C57
2021-10-27 13:13:57 S 09 03 11.837 +11 48 31.57 V C57
2021-10-27 13:13:57 s 1 +173891.43 0 +200546.19 7690.0 C57
2021-10-27 13:23:57 S 09 03 12.245 +11 48 57.46 V C57
2021-10-27 13:23:57 s 1 +173768.62 6 +201197.75 8780.0 C57
2021-10-27 13:53:57 S 09 03 13.778 +11 50 15.54 V C57
2021-10-27 13:53:57 s 1 +173392.81 3 +203143.80 7310.0 C57
2021-10-27 14:13:57 S 09 03 14.628 +11 51 03.82 V C57
2021-10-27 14:13:57 s 1 +173136.16 5 +204434.00 2600.0 C57
2021-10-27 14:23:57 S 09 03 15.060 +11 51 23.47 V C57
2021-10-27 14:23:57 s 1 +173006.02 7 +205076.95 9180.0 C57
2021-10-27 14:33:57 S 09 03 15.394 +11 51 52.20 V C57
2021-10-27 14:33:57 s 1 +172874.68 8 +205718.47 1760.0 C57
2021-10-27 14:43:57 S 09 03 16.162 +11 52 17.76 V C57
2021-10-27 14:43:57 s 1 +172742.15 4 +206358.57 340.0 C57
2021-10-27 14:53:57 S 09 03 16.306 +11 52 41.70 V C57
2021-10-27 14:53:57 s 1 +172608.43 1 +206997.23 4950.0 C57
2021-10-27 15:03:57 S 09 03 16.886 +11 53 09.42 V C57
2021-10-27 15:03:57 s 1 +172473.52 5 +207634.48 5610.0 C57
2021-10-27 15:13:57 S 09 03 17.194 +11 53 36.53 V C57
2021-10-27 15:13:57 s 1 +172337.44 2 +208270.30 2350.0 C57
2021-10-27 15:23:57 S 09 03 17.750 +11 53 58.31 V C57
2021-10-27 15:23:57 s 1 +172200.18 7 +208904.70 5170.0 C57
2021-10-27 15:33:57 S 09 03 18.252 +11 54 20.77 V C57
2021-10-27 15:33:57 s 1 +172061.76 7 +209537.68 4090.0 C57
2021-10-27 15:43:57 S 09 03 18.785 +11 54 48.42 V C57
2021-10-27 15:43:57 s 1 +171922.18 6 +210169.24 9150.0 C57
2021-10-27 16:03:57 S 09 03 19.510 +11 55 35.65 V C57
2021-10-27 16:03:57 s 1 +171639.56 9 +211428.11 7730.0 C57
2021-10-27 16:13:57 S 09 03 19.918 +11 55 58.08 V C57
2021-10-27 16:13:57 s 1 +171496.54 3 +212055.42 1290.0 C57
2021-10-27 16:23:57 S 09 03 20.376 +11 56 29.62 V C57
2021-10-27 16:23:57 s 1 +171352.38 0 +212681.33 1050.0 C57
2021-10-27 16:33:57 S 09 03 20.630 +11 56 53.12 V C57
2021-10-27 16:33:57 s 1 +171207.08 5 +213305.82 7040.0 C57
2021-10-27 16:43:57 S 09 03 21.139 +11 57 15.08 V C57
2021-10-27 16:43:57 s 1 +171060.66 4 +213928.90 9280.0 C57
2021-10-27 16:53:57 S 09 03 21.638 +11 57 46.76 V C57
2021-10-27 16:53:57 s 1 +170913.12 3 +214550.57 7770.0 C57
2021-10-27 17:03:57 S 09 03 22.049 +11 58 05.41 V C57
2021-10-27 17:03:57 s 1 +170764.46 6 +215170.84 2540.0 C57
2021-10-27 17:13:57 S 09 03 22.608 +11 58 34.43 V C57
2021-10-27 17:13:57 s 1 +170614.70 0 +215789.71 3620.0 C57
2021-10-27 17:23:57 S 09 03 23.057 +11 58 57.04 V C57
2021-10-27 17:23:57 s 1 +170463.82 9 +216407.17 1010.0 C57
Radar Observations (14)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-29 04:30:00 29690.493 1 Hz 8560 -14 -14
2015-12-03 05:00:00 -516645.45 1 Hz 8560 -14 -14
2015-12-03 05:50:00 135344787.04 10 us 8560 -14 -14
2015-12-03 06:50:00 135567345.78 3 us 8560 -14 -14
2015-12-04 23:45:00 -192751.0704 0.1 Hz 2380 -1 -1
2015-12-05 00:08:00 146143531.01 4 us 2380 -1 -1
2015-12-05 23:18:00 -215805.2279 0.1 Hz 2380 -1 -1
2015-12-05 23:50:00 153531055.91 0.5 us 2380 -1 -1
2015-12-08 01:00:00 171291146.51 1 us 2380 -1 -1
2015-12-09 01:00:00 180935553.24 1 us 2380 -1 -1
2017-11-16 10:20:00 551171.3 0.2 Hz 8560 -14 -14
2017-11-17 09:40:00 463067.169 0.2 Hz 8560 -14 -14
2017-11-17 10:40:00 102430712.59 10 us 8560 -14 -14
2017-11-17 11:00:00 102367215.7 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)