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
2015-12-03 07:40:22 C 00 19 49.41 -07 25 18.1 L T05
2015-12-03 07:47:21 C 00 19 51.27 -07 23 49.3 L T05
2015-12-03 08:03:07 C 00 19 55.46 -07 20 29.2 L T05
2015-12-03 08:10:07 C 00 19 57.32 -07 19 00.2 L T05
2015-12-03 18:02:09 C 00 22 43.10 -05 16 11.1 q K73
2015-12-03 19:08:30 C 00 23 00.15 -05 02 36.3 q K73
2015-12-04 11:22:44 C 00 27 15.05 -01 49 26.4 o 300
2015-12-04 11:29:21 C 00 27 16.67 -01 48 09.0 o 300
2015-12-04 11:32:40 C 00 27 17.45 -01 47 31.6 o 300
2015-12-04 11:35:57 C 00 27 18.27 -01 46 53.0 o 300
2015-12-04 11:39:16 C 00 27 19.05 -01 46 15.4 o 300
2015-12-04 11:42:34 C 00 27 19.85 -01 45 37.3 o 300
2015-12-05 23:49:11 C 00 35 59.37 +04 42 38.8 u H21
2015-12-05 23:51:09 C 00 35 59.79 +04 42 58.3 u H21
2015-12-05 23:53:07 C 00 36 00.20 +04 43 17.9 u H21
2015-12-05 23:55:04 C 00 36 00.62 +04 43 37.4 u H21
2015-12-05 23:57:02 C 00 36 01.04 +04 43 57.0 u H21
2015-12-05 23:59:00 C 00 36 01.46 +04 44 16.6 u H21
2015-12-06 00:00:57 C 00 36 01.87 +04 44 36.2 u H21
2015-12-06 00:02:55 C 00 36 02.29 +04 44 55.8 u H21
2015-12-06 00:04:52 C 00 36 02.71 +04 45 15.2 u H21
2015-12-06 00:06:38 C 00 36 03.09 +04 45 32.8 u H21
2015-12-06 00:08:24 C 00 36 03.46 +04 45 50.4 u H21
2015-12-06 00:09:58 C 00 36 03.79 +04 46 06.1 u H21
2015-12-06 16:22:27 C 00 39 36.97 +07 21 59.9 u 557
2015-12-06 16:31:33 C 00 39 38.82 +07 23 24.4 u 557
2015-12-06 17:21:50 C 00 39 49.06 +07 31 11.1 u 557
2015-12-06 17:33:33 C 00 39 51.44 +07 32 59.5 u 557
2015-12-06 18:26:59 C 00 40 02.23 +07 41 12.6 u 557
2015-12-06 18:37:35 C 00 40 04.36 +07 42 50.3 u 557
2015-12-06 19:11:19 C 00 40 11.17 +07 48 00.3 u 557
2015-12-06 19:23:45 C 00 40 13.66 +07 49 54.1 u 557
2015-12-06 20:21:38 C 00 40 25.30 +07 58 43.4 u 557
2015-12-06 20:31:29 C 00 40 27.28 +08 00 13.1 u 557
2015-12-06 21:15:07 C 00 40 36.10 +08 06 50.3 u 557
2015-12-06 21:24:13 C 00 40 37.94 +08 08 13.0 u 557
2015-12-06 22:20:20 C 00 40 49.33 +08 16 40.9 u 557
2015-12-06 22:29:38 C 00 40 51.21 +08 18 04.8 u 557
2015-12-07 16:49:16 C 00 44 38.40 +10 57 19.5 u 557
2015-12-07 16:54:33 C 00 44 39.40 +10 58 03.6 u 557
2015-12-07 18:14:13 C 00 44 54.42 +11 09 06.2 u 557
2015-12-07 18:19:34 C 00 44 55.41 +11 09 50.3 u 557
2015-12-07 19:03:56 C 00 45 03.74 +11 15 57.2 u 557
2015-12-07 19:12:49 C 00 45 05.41 +11 17 10.4 u 557
2015-12-07 20:46:40 C 00 45 22.99 +11 30 01.0 u 557
2015-12-07 20:55:33 C 00 45 24.66 +11 31 13.5 u 557
2015-12-07 22:25:39 C 00 45 41.67 +11 43 26.3 u 557
2015-12-07 22:33:55 C 00 45 43.24 +11 44 33.4 u 557
2015-12-08 16:36:23 C 00 49 12.39 +14 05 19.1 q 246
2015-12-08 16:37:16 C 00 49 12.57 +14 05 25.6 q 246
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)