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
2019-11-17 09:14:19 C 08 56 29.54 +24 36 21.4 u H21
2019-11-17 09:16:16 C 08 56 29.40 +24 36 30.7 u H21
2019-11-17 09:18:13 C 08 56 29.23 +24 36 39.7 u H21
2019-11-17 09:19:59 C 08 56 29.10 +24 36 48.3 u H21
2019-11-20 15:43:06 C 08 50 08.97 +30 43 29.2 V T05
2019-11-20 15:47:59 C 08 50 08.48 +30 43 51.5 V T05
2019-11-20 15:52:20 C 08 50 08.06 +30 44 11.5 V T05
2019-11-20 15:57:03 C 08 50 07.59 +30 44 33.0 V T05
2019-11-20 18:06:08 C 08 49 57.95 +30 54 14.3 V O85
2019-11-20 18:07:47 C 08 49 57.80 +30 54 22.0 V O85
2019-11-20 18:12:25 C 08 49 57.36 +30 54 43.5 V O85
2019-11-20 18:20:06 C 08 49 56.62 +30 55 19.0 V O85
2019-11-20 18:27:09 C 08 49 55.95 +30 55 51.9 V O85
2019-11-20 18:34:08 C 08 49 55.28 +30 56 24.2 V O85
2019-11-27 12:32:25 C 08 31 46.98 +42 37 00.9 V T08
2019-11-27 12:37:05 C 08 31 46.28 +42 37 19.4 V T08
2019-11-27 13:01:20 C 08 31 42.75 +42 38 57.1 V T08
2019-11-29 02:25:45 C 08 26 20.32 +45 04 26.3 16.4 r 238
2019-11-29 02:30:59 C 08 26 19.50 +45 04 46.5 16.7 r 238
2019-11-29 02:36:13 C 08 26 18.68 +45 05 06.5 17.1 r 238
2019-11-29 12:02:24 C 08 24 53.97 +45 40 59.4 V T05
2019-11-29 12:03:04 C 08 24 53.86 +45 41 02.1 V T05
2019-11-29 12:07:10 C 08 24 53.22 +45 41 17.7 V T05
2019-11-29 12:07:50 C 08 24 53.10 +45 41 20.1 V T05
2019-11-29 12:35:40 C 08 24 48.57 +45 43 05.4 V T05
2019-11-29 12:36:19 C 08 24 48.45 +45 43 08.0 V T05
2019-12-01 14:05:56 C 08 16 44.42 +48 41 54.7 V T08
2019-12-01 14:13:42 C 08 16 42.98 +48 42 21.4 V T08
2019-12-01 14:18:21 C 08 16 42.15 +48 42 37.8 V T08
2019-12-01 14:34:30 C 08 16 39.21 +48 43 34.3 V T08
2019-12-01 15:47:22 C 08 16 25.85 +48 47 44.4 V T08
2019-12-02 07:08:06 C 08 13 47.48 +49 39 59.7 V 703
2019-12-02 07:15:55 C 08 13 46.01 +49 40 26.3 V 703
2019-12-02 07:23:43 C 08 13 44.56 +49 40 54.0 V 703
2019-12-02 07:31:30 C 08 13 43.19 +49 41 19.4 V 703
2019-12-03 14:02:45 C 08 08 03.80 +51 21 35.0 V T05
2019-12-03 14:06:52 C 08 08 02.97 +51 21 48.2 V T05
2019-12-03 14:14:21 C 08 08 01.46 +51 22 11.9 V T05
2019-12-03 14:29:41 C 08 07 58.37 +51 23 00.5 V T05
2019-12-03 16:09:27 C 08 07 41.81 +51 28 04.4 V O85
2019-12-03 16:10:02 C 08 07 41.70 +51 28 06.2 V O85
2019-12-03 16:10:35 C 08 07 41.58 +51 28 08.1 V O85
2019-12-03 16:11:10 C 08 07 41.48 +51 28 10.0 V O85
2019-12-03 16:16:20 C 08 07 40.46 +51 28 26.6 V O85
2019-12-03 16:16:55 C 08 07 40.35 +51 28 28.5 V O85
2019-12-03 16:17:29 C 08 07 40.23 +51 28 30.4 V O85
2019-12-03 16:18:03 C 08 07 40.12 +51 28 32.2 V O85
2019-12-03 16:23:16 C 08 07 39.09 +51 28 49.2 V O85
2019-12-03 16:23:51 C 08 07 38.98 +51 28 51.1 V O85
2019-12-03 16:24:25 C 08 07 38.87 +51 28 52.8 V O85
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)