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
2021-10-11 15:12:31 C 08 49 28.55 -03 55 06.4 V T05
2021-10-11 15:21:46 C 08 49 28.73 -03 54 43.7 V T05
2021-10-13 14:19:49 C 08 50 42.88 -01 59 24.7 V T08
2021-10-13 14:25:47 C 08 50 43.03 -01 59 09.8 V T08
2021-10-13 14:35:45 C 08 50 43.28 -01 58 45.5 V T08
2021-10-13 15:01:09 C 08 50 43.90 -01 57 43.2 V T08
2021-10-14 11:52:57 C 08 51 19.61 -01 06 32.9 V 703
2021-10-14 11:58:40 C 08 51 19.76 -01 06 18.6 V 703
2021-10-14 12:04:23 C 08 51 19.91 -01 06 04.8 V 703
2021-10-14 12:10:06 C 08 51 20.07 -01 05 50.7 V 703
2021-10-21 05:33:57 S 08 57 01.627 +05 30 07.38 V C57
2021-10-21 05:33:57 s 1 -130855.71 6 +291409.66 7800.0 C57
2021-10-21 06:03:57 S 08 57 02.537 +05 31 21.65 V C57
2021-10-21 06:03:57 s 1 -131691.31 1 +290116.75 2880.0 C57
2021-10-21 06:23:57 S 08 57 03.082 +05 32 12.66 V C57
2021-10-21 06:23:57 s 1 -132245.54 6 +289248.53 9220.0 C57
2021-10-21 06:33:57 S 08 57 03.262 +05 32 31.38 V C57
2021-10-21 06:33:57 s 1 -132521.80 8 +288812.54 9250.0 C57
2021-10-21 06:53:57 S 08 57 03.917 +05 33 27.32 V C57
2021-10-21 06:53:57 s 1 -133072.60 5 +287936.77 2990.0 C57
2021-10-21 07:03:57 S 08 57 04.056 +05 33 52.42 V C57
2021-10-21 07:03:57 s 1 -133347.13 6 +287496.99 6680.0 C57
2021-10-21 07:13:57 S 08 57 04.392 +05 34 14.38 V C57
2021-10-21 07:13:57 s 1 -133621.08 4 +287055.95 8230.0 C57
2021-10-21 07:23:57 S 08 57 04.634 +05 34 39.22 V C57
2021-10-21 07:23:57 s 1 -133894.44 7 +286613.65 7640.0 C57
2021-10-21 07:33:57 S 08 57 04.781 +05 35 01.72 V C57
2021-10-21 07:33:57 s 1 -134167.22 3 +286170.08 4900.0 C57
2021-10-21 07:43:57 S 08 57 05.129 +05 35 27.06 V C57
2021-10-21 07:43:57 s 1 -134439.40 9 +285725.25 0.0 C57
2021-10-21 07:53:57 S 08 57 05.436 +05 35 52.44 V C57
2021-10-21 07:53:57 s 1 -134711.00 2 +285279.14 2920.0 C57
2021-10-21 08:03:57 S 08 57 05.695 +05 36 16.52 V C57
2021-10-21 08:03:57 s 1 -134981.99 9 +284831.77 3670.0 C57
2021-10-21 08:13:57 S 08 57 06.180 +05 36 39.10 V C57
2021-10-21 08:13:57 s 1 -135252.39 8 +284383.13 2230.0 C57
2021-10-21 08:23:57 S 08 57 06.197 +05 37 06.31 V C57
2021-10-21 08:23:57 s 1 -135522.19 5 +283933.21 8580.0 C57
2021-10-21 08:33:57 S 08 57 06.384 +05 37 27.52 V C57
2021-10-21 08:33:57 s 1 -135791.38 9 +283482.03 2730.0 C57
2021-10-21 08:43:57 S 08 57 06.425 +05 37 56.86 V C57
2021-10-21 08:43:57 s 1 -136059.97 6 +283029.57 4660.0 C57
2021-10-21 09:23:57 S 08 57 08.062 +05 39 37.40 V C57
2021-10-21 09:23:57 s 1 -137128.20 3 +281206.96 9990.0 C57
2021-10-21 09:33:57 S 08 57 08.177 +05 39 55.84 V C57
2021-10-21 09:33:57 s 1 -137393.71 5 +280748.11 680.0 C57
2021-10-21 09:43:57 S 08 57 08.390 +05 40 18.01 V C57
2021-10-21 09:43:57 s 1 -137658.60 4 +280287.98 9090.0 C57
2021-10-21 09:53:57 S 08 57 08.482 +05 40 44.11 V C57
2021-10-21 09:53:57 s 1 -137922.86 6 +279826.56 5210.0 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)