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
2021-04-14 11:21:48 C 16 00 32.58 +11 38 48.0 V 703
2021-04-14 11:29:24 C 16 00 32.24 +11 38 49.3 V 703
2021-04-14 11:36:59 C 16 00 31.90 +11 38 51.7 V 703
2021-04-15 11:48:59 C 15 59 27.75 +11 44 14.2 V T05
2021-04-15 11:54:46 C 15 59 27.46 +11 44 15.4 V T05
2021-04-15 11:58:43 C 15 59 27.27 +11 44 16.5 V T05
2021-04-15 12:34:14 C 15 59 25.53 +11 44 23.9 V T05
2021-04-16 14:15:34 C 15 58 11.789 +11 49 51.66 U F51
2021-04-16 14:27:41 C 15 58 11.161 +11 49 54.13 U F51
2021-04-16 14:51:50 C 15 58 09.909 +11 49 59.06 U F51
2021-04-17 12:00:39 C 15 57 06.12 +11 54 18.5 V T08
2021-04-17 12:36:19 C 15 57 04.15 +11 54 25.5 V T08
2021-04-17 13:01:29 C 15 57 02.76 +11 54 30.9 V T08
2021-04-17 13:37:27 C 15 57 00.80 +11 54 38.0 V T08
2021-04-18 09:29:18 C 15 55 57.26 +11 58 28.2 V 703
2021-04-18 09:36:53 C 15 55 56.82 +11 58 29.9 V 703
2021-04-18 09:44:28 C 15 55 56.39 +11 58 31.3 V 703
2021-04-18 09:52:02 C 15 55 55.92 +11 58 32.6 V 703
2021-04-19 10:24:36 C 15 54 33.37 +12 03 06.5 V T05
2021-04-19 10:25:21 C 15 54 33.32 +12 03 07.7 V T05
2021-04-19 10:29:57 C 15 54 33.03 +12 03 08.6 V T05
2021-04-19 11:05:19 C 15 54 30.90 +12 03 15.0 V T05
2021-04-19 11:05:59 C 15 54 30.85 +12 03 15.3 V T05
2021-04-19 11:16:18 C 15 54 30.21 +12 03 17.0 V T05
2021-04-19 11:16:57 C 15 54 30.19 +12 03 17.2 V T05
2021-04-21 01:47:48 C 15 52 09.72 +12 09 46.6 V 108
2021-04-21 01:51:02 C 15 52 09.54 +12 09 47.0 V 108
2021-04-21 01:54:15 C 15 52 09.32 +12 09 46.8 V 108
2021-04-21 09:07:50 C 15 51 41.87 +12 10 57.9 V 703
2021-04-21 09:15:37 C 15 51 41.27 +12 10 59.0 V 703
2021-04-21 10:05:07 C 15 51 38.02 +12 11 06.8 V 703
2021-04-21 10:12:55 C 15 51 37.48 +12 11 07.7 V 703
2021-04-22 09:54:17 C 15 50 03.77 +12 14 39.7 V 703
2021-04-22 10:01:44 C 15 50 03.30 +12 14 40.9 V 703
2021-04-22 10:09:11 C 15 50 02.73 +12 14 41.9 V 703
2021-04-22 10:16:38 C 15 50 02.21 +12 14 42.7 V 703
2021-04-23 10:22:09 C 15 48 22.60 +12 17 59.1 V T05
2021-04-23 10:47:27 C 15 48 20.74 +12 18 02.7 V T05
2021-04-23 10:50:11 C 15 48 20.55 +12 18 02.6 V T05
2021-04-23 10:56:49 C 15 48 20.04 +12 18 03.6 V T05
2021-04-23 23:27:02 C 15 47 26.11 +12 19 29.8 V K87
2021-04-23 23:29:07 C 15 47 25.95 +12 19 30.1 V K87
2021-04-23 23:31:13 C 15 47 25.81 +12 19 30.3 V K87
2021-04-24 07:01:15 C 15 46 52.95 +12 20 26.4 V 703
2021-04-24 07:16:27 C 15 46 51.81 +12 20 27.5 V 703
2021-04-24 07:24:02 C 15 46 51.09 +12 20 28.9 V 703
2021-04-24 10:41:20 C 15 46 36.54 +12 20 53.2 V T08
2021-04-24 10:44:46 C 15 46 36.32 +12 20 53.1 V T08
2021-04-24 10:48:47 C 15 46 35.98 +12 20 53.2 V T08
2021-04-24 10:56:05 C 15 46 35.42 +12 20 52.4 V T08
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)