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
2020-01-20 01:57:19 C 04 39 07.75 +62 42 13.6 V 703
2020-01-20 02:08:32 C 04 39 07.44 +62 42 08.7 V 703
2020-01-20 02:18:24 C 04 39 07.06 +62 42 04.0 V 703
2020-01-20 09:07:59 C 04 38 56.12 +62 38 55.2 V T05
2020-01-20 09:13:18 C 04 38 55.96 +62 38 52.9 V T05
2020-01-20 09:22:00 C 04 38 55.76 +62 38 48.7 V T05
2020-01-20 09:36:34 C 04 38 55.37 +62 38 41.8 V T05
2020-01-22 07:23:39 C 04 38 07.45 +62 17 26.6 V T08
2020-01-22 07:28:17 C 04 38 07.39 +62 17 24.7 V T08
2020-01-22 07:36:59 C 04 38 07.22 +62 17 20.3 V T08
2020-01-22 07:54:14 C 04 38 06.85 +62 17 12.5 V T08
2020-01-24 07:16:41 C 04 37 44.49 +61 55 16.9 V T05
2020-01-24 07:21:18 C 04 37 44.44 +61 55 14.7 V T05
2020-01-24 07:30:34 C 04 37 44.38 +61 55 10.7 V T05
2020-01-24 07:47:51 C 04 37 44.20 +61 55 02.3 V T05
2020-01-26 09:15:20 C 04 37 47.54 +61 32 21.3 V T08
2020-01-26 09:20:38 C 04 37 47.52 +61 32 18.3 V T08
2020-01-26 09:34:59 C 04 37 47.53 +61 32 11.6 V T08
2020-01-26 09:43:04 C 04 37 47.49 +61 32 07.6 V T08
2020-01-30 06:20:03 C 04 39 01.86 +60 50 36.2 V T08
2020-01-30 06:24:32 C 04 39 01.95 +60 50 33.1 V T08
2020-01-30 06:29:46 C 04 39 02.01 +60 50 31.0 V T08
2020-01-30 06:35:29 C 04 39 02.09 +60 50 28.0 V T08
2020-01-30 06:37:31 C 04 39 02.17 +60 50 26.7 V T08
2020-01-30 06:54:56 C 04 39 02.30 +60 50 19.6 V T08
2020-02-03 09:04:31 C 04 41 39.97 +60 07 47.3 V T08
2020-02-03 09:09:51 C 04 41 40.12 +60 07 45.1 V T08
2020-02-03 09:17:16 C 04 41 40.39 +60 07 41.2 V T08
2020-02-03 09:37:58 C 04 41 40.95 +60 07 31.8 V T08
2020-02-05 21:24:31 C 04 43 52.19 +59 42 28.6 V A16
2020-02-05 21:35:14 C 04 43 52.49 +59 42 24.0 V A16
2020-02-05 21:45:57 C 04 43 52.93 +59 42 19.2 V A16
2020-02-05 21:56:40 C 04 43 53.29 +59 42 15.0 V A16
2020-02-14 02:50:06 C 04 53 29.91 +58 24 19.4 V 703
2020-02-14 02:59:08 C 04 53 30.40 +58 24 16.3 V 703
2020-02-14 03:08:08 C 04 53 30.80 +58 24 12.5 V 703
2020-02-14 03:17:05 C 04 53 31.35 +58 24 09.6 V 703
2020-02-14 18:53:15 C 04 54 25.09 +58 18 13.2 V 130
2020-02-14 19:03:13 C 04 54 25.64 +58 18 09.4 V 130
2020-02-15 06:52:35 C 04 55 06.82 +58 13 44.9 V T08
2020-02-15 06:57:14 C 04 55 07.05 +58 13 43.0 V T08
2020-02-15 07:05:12 C 04 55 07.46 +58 13 40.2 V T08
2020-02-15 07:22:50 C 04 55 08.46 +58 13 33.1 V T08
2020-02-17 03:04:33 C 04 57 46.77 +57 57 15.5 U I41
2020-02-17 04:12:59 C 04 57 50.75 +57 56 50.2 U I41
2020-02-20 03:15:21 C 05 02 23.38 +57 30 56.6 U I41
2020-02-20 03:17:58 C 05 02 23.54 +57 30 55.7 U I41
2020-02-20 03:51:23 C 05 02 25.68 +57 30 43.7 U I41
2020-02-20 04:16:41 C 05 02 27.25 +57 30 34.2 U I41
2020-02-28 04:05:21 C 05 16 03.75 +56 23 43.4 V G96
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)