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
2017-12-18 00:54:04 C 03 43 19.35 +57 22 04.8 c J53
2017-12-18 00:55:27 C 03 43 19.16 +57 22 05.2 c J53
2017-12-18 00:59:37 C 03 43 18.56 +57 22 05.6 c J53
2017-12-18 01:07:59 C 03 43 17.35 +57 22 06.5 c J53
2017-12-19 23:03:29 C 03 37 39.45 +57 27 28.9 U J27
2017-12-19 23:10:22 C 03 37 38.63 +57 27 29.2 U J27
2017-12-19 23:15:32 C 03 37 38.00 +57 27 29.5 U J27
2017-12-20 03:44:11 C 03 37 09.99 +57 27 50.6 U 703
2017-12-20 03:51:49 C 03 37 09.09 +57 27 51.4 U 703
2017-12-20 03:53:11 C 03 37 09.20 +57 27 49.7 U 654
2017-12-20 03:59:28 C 03 37 08.17 +57 27 51.8 U 703
2017-12-20 04:07:07 C 03 37 07.25 +57 27 52.5 U 703
2017-12-20 04:15:27 C 03 37 06.55 +57 27 51.7 U 654
2017-12-20 04:39:23 C 03 37 03.70 +57 27 53.7 U 654
2017-12-20 05:02:55 C 03 37 00.89 +57 27 55.4 U 654
2017-12-25 09:40:07 C 03 26 47.41 +57 25 11.5 U T05
2017-12-25 10:00:22 C 03 26 46.06 +57 25 09.0 U T05
2017-12-25 10:09:34 C 03 26 45.44 +57 25 08.0 U T05
2017-12-25 10:25:50 C 03 26 44.39 +57 25 05.6 U T05
2017-12-26 06:31:46 C 03 25 41.060 +57 23 15.71 U F51
2017-12-26 06:51:35 C 03 25 39.855 +57 23 14.00 U F51
2017-12-26 07:11:25 C 03 25 38.646 +57 23 12.16 U F51
2017-12-26 07:31:13 C 03 25 37.442 +57 23 10.22 U F51
2017-12-29 09:18:50 C 03 22 41.25 +57 14 03.5 U T05
2017-12-29 09:24:46 C 03 22 41.04 +57 14 02.4 U T05
2017-12-29 09:42:59 C 03 22 40.37 +57 13 59.0 U T05
2017-12-29 09:53:29 C 03 22 39.99 +57 13 57.2 U T05
2017-12-31 10:14:22 C 03 21 33.77 +57 06 40.7 U T08
2017-12-31 10:29:50 C 03 21 33.43 +57 06 37.5 U T08
2017-12-31 10:48:00 C 03 21 33.04 +57 06 33.9 U T08
2017-12-31 11:05:58 C 03 21 32.64 +57 06 30.1 U T08
2017-12-31 19:33:59 C 03 21 26.57 +57 05 07.7 U K74
2017-12-31 19:50:49 C 03 21 26.25 +57 05 05.3 U K74
2017-12-31 20:19:14 C 03 21 25.67 +57 05 00.5 U K74
2018-01-02 08:59:14 C 03 21 01.77 +56 59 03.3 U T05
2018-01-02 09:12:37 C 03 21 01.61 +56 59 00.2 U T05
2018-01-02 09:14:24 C 03 21 01.58 +56 59 00.7 U T05
2018-01-02 09:28:08 C 03 21 01.42 +56 58 57.4 U T05
2018-01-02 09:28:47 C 03 21 01.38 +56 58 57.1 U T05
2018-01-02 09:32:04 C 03 21 01.31 +56 58 56.5 U T05
2018-01-02 09:50:13 C 03 21 01.09 +56 58 53.0 U T05
2018-01-04 08:53:40 C 03 20 56.90 +56 50 42.1 U T08
2018-01-04 09:10:54 C 03 20 56.87 +56 50 38.7 U T08
2018-01-04 09:11:34 C 03 20 56.83 +56 50 38.7 U T08
2018-01-04 09:26:01 C 03 20 56.76 +56 50 35.7 U T08
2018-01-08 09:54:03 C 03 22 02.84 +56 32 51.1 U T08
2018-01-08 10:11:28 C 03 22 03.13 +56 32 47.2 U T08
2018-01-08 10:30:06 C 03 22 03.38 +56 32 43.0 U T08
2018-01-10 08:56:01 C 03 23 07.32 +56 24 00.2 U T05
2018-01-10 09:01:16 C 03 23 07.46 +56 23 59.0 U T05
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)