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
2021-06-17 07:08:07 C 12 58 02.17 -04 10 17.3 V T05
2021-06-17 07:22:48 C 12 58 00.41 -04 10 40.3 V T05
2021-06-23 06:46:21 C 12 42 24.33 -07 57 03.3 V T08
2021-06-23 06:51:00 C 12 42 23.83 -07 57 10.7 V T08
2021-06-23 06:58:58 C 12 42 22.99 -07 57 23.5 V T08
2021-06-23 07:14:16 C 12 42 21.38 -07 57 47.5 V T08
2021-06-24 08:16:41 C 12 39 50.30 -08 37 37.6 V T05
2021-06-24 08:27:17 C 12 39 49.21 -08 37 54.6 V T05
2021-06-24 08:34:32 C 12 39 48.46 -08 38 05.8 V T05
2021-06-25 06:42:51 C 12 37 38.45 -09 13 21.5 V T05
2021-06-25 06:48:53 C 12 37 37.76 -09 13 31.5 V T05
2021-06-25 06:56:54 C 12 37 36.98 -09 13 43.8 V T05
2021-06-25 07:11:36 C 12 37 35.47 -09 14 07.1 V T05
2021-06-26 06:44:34 C 12 35 19.72 -09 51 37.2 V T08
2021-06-26 06:49:13 C 12 35 19.26 -09 51 44.6 V T08
2021-06-26 06:58:30 C 12 35 18.34 -09 51 59.2 V T08
2021-06-26 07:14:25 C 12 35 16.76 -09 52 24.5 V T08
2021-06-27 07:26:33 C 12 33 00.15 -10 30 56.5 V T08
2021-06-27 07:31:13 C 12 32 59.70 -10 31 04.0 V T08
2021-06-27 07:39:10 C 12 32 58.93 -10 31 16.6 V T08
2021-06-27 07:55:46 C 12 32 57.34 -10 31 42.7 V T08
2021-06-29 06:50:21 C 12 28 41.17 -11 46 20.9 V T05
2021-06-29 06:58:18 C 12 28 40.44 -11 46 33.4 V T05
2021-06-29 07:15:29 C 12 28 38.82 -11 47 00.5 V T05
2021-06-29 07:22:47 C 12 28 38.15 -11 47 12.1 V T05
2021-07-01 06:53:08 C 12 24 28.92 -13 02 35.9 V T08
2021-07-01 06:58:27 C 12 24 28.44 -13 02 44.3 V T08
2021-07-01 07:06:26 C 12 24 27.74 -13 02 56.8 V T08
2021-07-01 07:25:42 C 12 24 26.01 -13 03 27.2 V T08
2021-07-04 08:10:40 C 12 18 22.25 -14 58 08.5 q E89
2021-07-04 08:23:32 C 12 18 21.16 -14 58 28.5 q E89
2021-07-04 08:37:10 C 12 18 20.01 -14 58 50.1 q E89
2021-07-04 08:49:38 C 12 18 18.95 -14 59 10.1 q E89
2021-07-08 06:18:16 C 12 10 56.49 -17 25 56.4 V T08
2021-07-08 06:22:58 C 12 10 56.11 -17 26 03.2 V T08
2021-07-08 06:30:56 C 12 10 55.47 -17 26 15.9 V T08
2021-07-08 06:45:32 C 12 10 54.31 -17 26 38.4 V T08
2021-08-11 07:02:21 C 10 58 20.62 -35 44 46.4 q E89
2021-08-11 07:16:24 C 10 58 18.85 -35 44 57.8 q E89
2021-08-11 07:31:09 C 10 58 16.89 -35 45 09.7 q E89
2021-08-11 07:45:43 C 10 58 15.07 -35 45 22.7 q E89
2021-10-09 14:42:24 C 08 48 23.13 -05 54 07.1 V T08
2021-10-09 14:51:25 C 08 48 23.27 -05 53 45.3 V T08
2021-10-09 15:11:08 C 08 48 23.60 -05 52 57.1 V T08
2021-10-10 12:01:51 C 08 48 50.31 -05 01 51.6 V 703
2021-10-10 12:07:38 C 08 48 50.41 -05 01 37.2 V 703
2021-10-10 12:13:23 C 08 48 50.50 -05 01 24.0 V 703
2021-10-10 12:19:09 C 08 48 50.56 -05 01 09.9 V 703
2021-10-11 14:44:23 C 08 49 27.95 -03 56 15.3 V T05
2021-10-11 14:52:17 C 08 49 28.13 -03 55 56.1 V 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)