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
2019-04-01 19:22:18 C 15 46 51.22 +14 31 13.6 q D29
2019-04-01 19:41:24 C 15 46 50.73 +14 31 21.0 q D29
2019-04-01 19:42:40 C 15 46 50.68 +14 31 21.1 q D29
2019-04-02 13:10:14 C 15 46 22.96 +14 37 39.9 V T05
2019-04-02 13:13:15 C 15 46 22.85 +14 37 41.3 V T05
2019-04-02 13:17:36 C 15 46 22.77 +14 37 42.7 V T05
2019-04-02 13:18:55 C 15 46 22.71 +14 37 43.2 V T05
2019-04-02 13:36:11 C 15 46 22.20 +14 37 50.2 V T05
2019-04-02 13:50:54 C 15 46 21.79 +14 37 55.5 V T05
2019-04-02 13:52:15 C 15 46 21.73 +14 37 56.0 V T05
2019-04-04 09:55:08 C 15 45 03.45 +14 53 43.4 V G96
2019-04-04 10:02:28 C 15 45 03.20 +14 53 45.9 V G96
2019-04-04 10:09:51 C 15 45 02.95 +14 53 48.4 V G96
2019-04-04 10:16:07 C 15 45 02.73 +14 53 50.7 V 703
2019-04-04 10:17:12 C 15 45 02.70 +14 53 51.1 V G96
2019-04-04 10:23:40 C 15 45 02.53 +14 53 54.1 V 703
2019-04-04 10:31:16 C 15 45 02.15 +14 53 55.6 V 703
2019-04-04 10:38:47 C 15 45 01.95 +14 53 58.7 V 703
2019-04-06 12:55:40 C 15 43 17.88 +15 11 54.5 V T05
2019-04-06 13:16:05 C 15 43 17.02 +15 12 02.0 V T05
2019-04-06 13:27:20 C 15 43 16.63 +15 12 06.0 V T05
2019-04-06 13:44:41 C 15 43 15.93 +15 12 12.3 V T05
2019-04-08 10:10:18 C 15 41 30.44 +15 27 44.9 V 703
2019-04-08 10:17:55 C 15 41 30.12 +15 27 46.9 V 703
2019-04-08 10:25:31 C 15 41 29.77 +15 27 49.4 V 703
2019-04-08 12:27:07 C 15 41 24.82 +15 28 33.3 V T08
2019-04-08 12:48:01 C 15 41 23.88 +15 28 41.2 V T08
2019-04-08 12:57:09 C 15 41 23.47 +15 28 44.0 V T08
2019-04-08 13:16:00 C 15 41 22.62 +15 28 50.1 V T08
2019-04-10 12:11:11 C 15 39 16.44 +15 44 50.5 V T05
2019-04-10 12:30:33 C 15 39 15.46 +15 44 58.1 V T05
2019-04-10 12:40:59 C 15 39 14.94 +15 45 01.4 V T05
2019-04-10 12:41:39 C 15 39 14.90 +15 45 00.8 V T05
2019-04-13 09:01:03 C 15 35 44.43 +16 07 17.6 V 703
2019-04-13 09:08:47 C 15 35 44.00 +16 07 21.2 V 703
2019-04-13 09:16:31 C 15 35 43.58 +16 07 23.2 V 703
2019-04-13 09:24:13 C 15 35 43.18 +16 07 26.5 V 703
2019-04-14 06:40:27 C 15 34 31.41 +16 14 03.8 V G96
2019-04-14 06:47:15 C 15 34 31.01 +16 14 05.9 V G96
2019-04-14 06:54:03 C 15 34 30.60 +16 14 08.1 V G96
2019-04-14 07:00:50 C 15 34 30.20 +16 14 10.3 V G96
2019-04-14 13:54:15 C 15 34 05.608 +16 16 19.37 U F51
2019-04-14 14:12:10 C 15 34 04.512 +16 16 24.75 U F51
2019-04-14 14:30:11 C 15 34 03.415 +16 16 30.15 U F51
2019-04-14 14:48:08 C 15 34 02.321 +16 16 35.53 U F51
2019-04-14 16:58:12 C 15 33 55.21 +16 17 13.7 q D29
2019-04-14 17:18:35 C 15 33 53.96 +16 17 19.8 q D29
2019-04-14 17:38:56 C 15 33 52.72 +16 17 26.1 q D29
2019-04-16 07:00:14 C 15 31 35.91 +16 28 30.1 V 703
2019-04-16 07:08:37 C 15 31 35.39 +16 28 32.3 V 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)