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
2021-04-24 22:11:37 C 15 45 44.79 +12 22 01.3 V G17
2021-04-24 22:16:42 C 15 45 44.41 +12 22 01.8 V G17
2021-04-24 22:21:47 C 15 45 44.02 +12 22 02.7 V G17
2021-04-24 23:35:21 C 15 45 38.29 +12 22 09.3 V K87
2021-04-24 23:40:37 C 15 45 37.84 +12 22 09.4 V K87
2021-04-24 23:45:55 C 15 45 37.45 +12 22 10.2 V K87
2021-04-25 10:00:14 C 15 44 50.41 +12 23 15.6 V T08
2021-04-25 10:04:13 C 15 44 50.08 +12 23 16.8 V T08
2021-04-25 10:10:11 C 15 44 49.61 +12 23 17.1 V T08
2021-04-25 10:17:32 C 15 44 49.00 +12 23 17.6 V T08
2021-04-29 10:00:00 C 15 36 43.64 +12 28 35.4 V T08
2021-04-29 10:04:31 C 15 36 43.21 +12 28 35.6 V T08
2021-04-29 10:08:45 C 15 36 42.81 +12 28 35.7 V T08
2021-04-29 10:59:57 C 15 36 37.97 +12 28 36.3 V T08
2021-04-30 11:41:08 C 15 34 19.44 +12 28 36.7 V T05
2021-04-30 11:45:52 C 15 34 18.99 +12 28 36.3 V T05
2021-04-30 12:30:10 C 15 34 14.60 +12 28 36.0 V T05
2021-04-30 12:42:43 C 15 34 13.36 +12 28 36.0 V T05
2021-05-01 07:39:17 C 15 32 23.88 +12 28 07.9 U I41
2021-05-01 07:40:40 C 15 32 23.73 +12 28 07.9 U I41
2021-05-01 08:35:47 C 15 32 18.14 +12 28 06.1 U I41
2021-05-01 10:00:08 C 15 32 09.58 +12 28 03.1 U I41
2021-05-03 11:16:18 C 15 27 08.02 +12 25 03.8 V T08
2021-05-03 11:31:42 C 15 27 06.34 +12 25 02.5 V T08
2021-05-03 11:51:19 C 15 27 04.18 +12 25 00.4 V T08
2021-05-03 11:56:38 C 15 27 03.61 +12 25 00.0 V T08
2021-05-04 22:09:20 C 15 23 21.93 +12 21 05.6 V 130
2021-05-04 22:13:42 C 15 23 21.42 +12 21 04.9 V 130
2021-05-05 07:08:22 C 15 22 21.86 +12 19 53.2 U I41
2021-05-05 07:38:22 C 15 22 18.40 +12 19 49.0 U I41
2021-05-05 08:27:36 C 15 22 12.71 +12 19 41.8 U I41
2021-05-05 08:57:29 C 15 22 09.26 +12 19 37.5 U I41
2021-05-05 08:58:50 C 15 22 09.10 +12 19 37.2 U I41
2021-05-05 09:21:08 C 15 22 07.11 +12 19 37.4 V T05
2021-05-05 09:25:44 C 15 22 06.56 +12 19 35.9 V T05
2021-05-05 09:29:43 C 15 22 06.09 +12 19 35.6 V T05
2021-05-05 09:37:38 C 15 22 05.18 +12 19 34.4 V T05
2021-05-07 07:52:12 C 15 16 44.21 +12 11 16.5 V G96
2021-05-07 07:59:37 C 15 16 43.30 +12 11 15.0 V G96
2021-05-07 08:07:02 C 15 16 42.39 +12 11 13.4 V G96
2021-05-07 08:14:26 C 15 16 41.49 +12 11 12.0 V G96
2021-05-07 12:49:40 C 15 16 08.33 +12 10 15.7 V T08
2021-05-07 12:54:19 C 15 16 07.76 +12 10 14.6 V T08
2021-05-07 13:13:10 C 15 16 05.44 +12 10 10.5 V T08
2021-05-07 13:21:10 C 15 16 04.47 +12 10 08.5 V T08
2021-05-08 22:13:13 C 15 12 05.24 +12 02 06.0 V G17
2021-05-08 22:22:01 C 15 12 04.12 +12 02 03.8 V G17
2021-05-08 22:30:49 C 15 12 02.99 +12 02 01.4 V G17
2021-05-08 23:45:06 C 15 11 53.55 +12 01 41.7 V 160
2021-05-08 23:48:10 C 15 11 53.16 +12 01 40.9 V 160
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)