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
2013-03-07 10:23:31 C 15 08 15.93 +20 15 43.3 u 703
2013-03-07 10:34:50 C 15 08 15.93 +20 15 48.6 u 703
2013-03-07 10:46:17 C 15 08 15.82 +20 15 53.4 u 703
2013-03-17 09:48:41 C 15 04 46.59 +22 13 00.1 u 703
2013-03-17 10:02:28 C 15 04 46.16 +22 13 06.9 u 703
2013-03-17 10:16:21 C 15 04 45.94 +22 13 14.7 u 703
2013-03-17 10:30:17 C 15 04 45.51 +22 13 21.3 u 703
2013-03-28 07:25:50 C 14 55 28.23 +24 24 10.1 u H21
2013-03-28 07:39:30 C 14 55 27.52 +24 24 16.2 u H21
2013-03-28 07:50:32 C 14 55 26.99 +24 24 21.1 u H21
2013-03-28 07:59:32 C 14 55 26.55 +24 24 24.6 u H21
2013-04-06 08:30:04 C 14 43 03.43 +26 01 48.7 u 703
2013-04-06 08:44:55 C 14 43 02.38 +26 01 55.7 u 703
2013-04-06 08:59:38 C 14 43 01.38 +26 02 00.6 u 703
2013-04-06 09:14:24 C 14 43 00.37 +26 02 06.5 u 703
2013-04-10 07:00:11 C 14 36 21.41 +26 37 02.5 N I41
2013-04-10 07:43:20 C 14 36 18.11 +26 37 17.4 N I41
2013-04-10 08:26:23 C 14 36 14.79 +26 37 32.2 N I41
2013-04-13 22:39:23 C 14 29 30.21 +27 04 00.2 c A24
2013-04-13 22:41:26 C 14 29 30.04 +27 04 01.0 c A24
2013-04-13 23:00:23 C 14 29 28.50 +27 04 06.0 c A24
2013-04-13 23:22:37 C 14 29 26.64 +27 04 12.1 c A24
2013-04-13 23:40:52 C 14 29 25.12 +27 04 17.2 c A24
2013-04-13 23:42:57 C 14 29 24.97 +27 04 17.7 c A24
2013-04-14 22:30:52 C 14 27 32.68 +27 10 15.4 c A24
2013-04-14 22:33:00 C 14 27 32.47 +27 10 15.2 c A24
2013-04-14 22:59:24 C 14 27 30.23 +27 10 22.4 c A24
2013-04-14 23:29:07 C 14 27 27.70 +27 10 29.6 c A24
2013-04-14 23:54:49 C 14 27 25.54 +27 10 36.8 c A24
2013-04-14 23:56:55 C 14 27 25.34 +27 10 36.9 c A24
2013-04-25 05:16:25 C 14 05 28.55 +27 41 50.8 u H21
2013-04-25 05:22:34 C 14 05 27.97 +27 41 51.0 u H21
2013-04-25 05:29:09 C 14 05 27.34 +27 41 51.0 u H21
2013-04-25 05:36:00 C 14 05 26.67 +27 41 50.9 u H21
2013-04-25 05:42:23 C 14 05 26.05 +27 41 50.7 u H21
2013-04-25 05:48:32 C 14 05 25.48 +27 41 50.7 u H21
2013-04-26 11:41:46 C 14 02 36.024 +27 41 09.30 L F51
2013-04-26 11:58:34 C 14 02 34.397 +27 41 08.50 L F51
2013-05-01 23:12:44 C 13 50 05.83 +27 25 11.4 q C73
2013-05-01 23:13:54 C 13 50 05.71 +27 25 11.2 q C73
2013-05-01 23:15:04 C 13 50 05.59 +27 25 11.0 q C73
2013-05-01 23:16:13 C 13 50 05.49 +27 25 10.8 q C73
2013-05-01 23:17:23 C 13 50 05.37 +27 25 10.5 q C73
2013-05-01 23:18:32 C 13 50 05.25 +27 25 10.2 q C73
2013-05-01 23:19:41 C 13 50 05.14 +27 25 09.9 q C73
2013-05-01 23:20:51 C 13 50 05.01 +27 25 09.7 q C73
2013-05-01 23:22:00 C 13 50 04.90 +27 25 09.5 q C73
2013-05-01 23:22:36 C 13 50 04.83 +27 25 09.3 q C73
2013-05-01 23:23:10 C 13 50 04.77 +27 25 09.2 q C73
2013-05-01 23:23:45 C 13 50 04.72 +27 25 09.0 q C73
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)