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
2012-01-24 19:18:41 C 01 40 20.57 +27 12 08.7 c A24
2012-01-24 19:39:49 C 01 40 23.40 +27 12 41.5 c A24
2012-01-24 20:01:28 C 01 40 26.30 +27 13 14.7 c A24
2012-01-24 20:22:36 C 01 40 29.14 +27 13 47.5 c A24
2012-01-24 20:24:40 C 01 40 29.46 +27 13 50.7 c A24
2012-01-25 04:09:27 C 01 41 33.10 +27 25 54.3 r 703
2012-01-25 04:22:34 C 01 41 34.80 +27 26 13.6 r 703
2012-01-25 04:35:43 C 01 41 36.56 +27 26 33.7 r 703
2012-01-25 18:16:49 C 01 43 29.10 +27 47 27.9 c A24
2012-01-25 18:18:54 C 01 43 29.36 +27 47 30.8 c A24
2012-01-25 18:40:01 C 01 43 32.20 +27 48 02.9 c A24
2012-01-25 19:01:40 C 01 43 35.11 +27 48 35.5 c A24
2012-01-25 19:22:48 C 01 43 37.99 +27 49 07.7 c A24
2012-01-25 19:24:53 C 01 43 38.21 +27 49 10.9 c A24
2012-01-26 18:36:01 C 01 46 47.36 +28 23 39.5 c A24
2012-01-26 18:38:07 C 01 46 47.64 +28 23 42.8 c A24
2012-01-26 18:55:43 C 01 46 49.99 +28 24 08.0 c A24
2012-01-26 19:13:51 C 01 46 52.40 +28 24 34.5 c A24
2012-01-26 19:31:28 C 01 46 54.75 +28 25 00.1 c A24
2012-01-26 19:33:33 C 01 46 55.04 +28 25 03.5 c A24
2012-01-27 01:49:48 C 01 47 46.14 +28 34 13.7 18.5 c 704
2012-01-27 02:08:00 C 01 47 48.57 +28 34 39.8 18.6 c 704
2012-01-27 02:16:37 C 01 47 49.64 +28 34 52.1 u 448
2012-01-27 02:22:47 C 01 47 50.45 +28 35 00.8 u 448
2012-01-27 02:26:18 C 01 47 51.08 +28 35 05.9 19.2 c 704
2012-01-27 02:28:57 C 01 47 51.28 +28 35 09.9 u 448
2012-01-27 02:35:07 C 01 47 52.11 +28 35 18.8 u 448
2012-01-27 02:44:38 C 01 47 53.45 +28 35 32.3 18.9 c 704
2012-01-27 03:02:53 C 01 47 55.84 +28 35 59.1 18.5 c 704
2012-02-09 23:58:45 C 02 31 30.24 +35 04 57.8 u I15
2012-02-10 00:05:08 C 02 31 30.99 +35 05 03.8 u I15
2012-02-10 00:09:24 C 02 31 31.52 +35 05 07.8 u I15
2012-02-14 19:00:19 C 02 46 05.17 +36 44 47.6 c A24
2012-02-14 19:02:23 C 02 46 05.30 +36 44 49.2 c A24
2012-02-14 19:25:32 C 02 46 08.37 +36 45 08.0 c A24
2012-02-14 19:49:11 C 02 46 11.37 +36 45 26.5 c A24
2012-02-14 20:12:20 C 02 46 14.21 +36 45 44.9 c A24
2012-02-14 20:14:24 C 02 46 14.38 +36 45 45.4 c A24
2012-02-15 18:34:30 C 02 49 03.39 +37 03 31.7 c A24
2012-02-15 18:48:12 C 02 49 05.11 +37 03 42.2 c A24
2012-02-15 19:21:36 C 02 49 09.22 +37 04 07.6 c A24
2012-02-15 19:44:37 C 02 49 12.10 +37 04 24.9 c A24
2012-02-16 18:42:31 C 02 52 05.44 +37 22 07.1 c A24
2012-02-16 18:44:35 C 02 52 05.79 +37 22 08.3 c A24
2012-02-16 19:52:38 C 02 52 14.26 +37 23 00.1 c A24
2012-02-26 02:28:41 C 03 20 01.84 +39 50 08.8 18.8 c 704
2012-02-26 03:02:33 C 03 20 05.87 +39 50 27.0 19.2 c 704
2012-02-26 03:19:37 C 03 20 07.97 +39 50 36.2 19.3 c 704
2012-02-26 03:36:36 C 03 20 10.10 +39 50 47.5 19.2 c 704
2013-03-07 10:12:05 C 15 08 16.08 +20 15 37.5 u 703
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)