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
2021-11-23 07:10:12 C 09 16 13.75 +39 04 56.8 V W09
2021-11-23 12:17:03 C 09 16 10.71 +39 18 12.7 V T08
2021-11-23 12:20:24 C 09 16 10.63 +39 18 21.3 V T08
2021-11-23 12:50:48 C 09 16 10.18 +39 19 40.4 V T08
2021-11-23 13:02:48 C 09 16 09.97 +39 20 11.4 V T08
2021-11-26 12:30:45 C 09 14 58.79 +42 22 34.5 V T05
2021-11-26 12:37:21 C 09 14 58.62 +42 22 51.4 V T05
2021-11-26 12:45:56 C 09 14 58.37 +42 23 13.4 V T05
2021-11-26 12:53:15 C 09 14 58.15 +42 23 31.9 V T05
2021-11-27 10:51:38 C 09 14 24.86 +43 18 59.6 V 703
2021-11-27 10:59:27 C 09 14 24.58 +43 19 19.3 V 703
2021-11-27 11:07:14 C 09 14 24.33 +43 19 39.3 V 703
2021-11-27 11:15:01 C 09 14 24.11 +43 19 58.5 V 703
2021-11-28 14:10:56 C 09 13 36.16 +44 27 34.4 V T08
2021-11-28 14:13:37 C 09 13 36.00 +44 27 40.4 V T08
2021-11-28 14:18:55 C 09 13 35.81 +44 27 54.1 V T08
2021-11-28 14:32:52 C 09 13 35.27 +44 28 28.9 V T08
2021-11-30 10:47:23 C 09 11 57.24 +46 17 59.2 V 703
2021-11-30 10:48:40 C 09 11 57.18 +46 18 02.4 V 703
2021-11-30 10:55:12 C 09 11 56.86 +46 18 18.5 V 703
2021-11-30 10:56:29 C 09 11 56.81 +46 18 21.7 V 703
2021-11-30 11:03:01 C 09 11 56.48 +46 18 37.8 V 703
2021-11-30 11:04:17 C 09 11 56.42 +46 18 41.0 V 703
2021-11-30 11:10:50 C 09 11 56.12 +46 18 57.1 V 703
2021-11-30 11:12:07 C 09 11 56.03 +46 19 00.2 V 703
2021-12-02 13:50:27 C 09 09 31.70 +48 21 58.3 V T08
2021-12-02 13:53:06 C 09 09 31.54 +48 22 04.9 V T08
2021-12-02 13:59:14 C 09 09 31.18 +48 22 19.8 V T08
2021-12-02 14:06:33 C 09 09 30.73 +48 22 36.9 V T08
2021-12-03 07:48:41 C 09 08 32.61 +49 04 42.7 V 703
2021-12-03 07:56:33 C 09 08 32.12 +49 05 01.6 V 703
2021-12-03 08:04:24 C 09 08 31.65 +49 05 20.5 V 703
2021-12-03 08:12:16 C 09 08 31.14 +49 05 39.5 V 703
2021-12-06 07:17:11 C 09 03 45.55 +51 50 38.5 V 703
2021-12-06 07:25:11 C 09 03 44.99 +51 50 56.9 V 703
2021-12-06 07:33:12 C 09 03 44.29 +51 51 15.3 V 703
2021-12-06 07:41:12 C 09 03 43.71 +51 51 34.1 V 703
2021-12-10 12:29:00 C 08 54 33.29 +55 30 25.6 V T08
2021-12-10 12:41:05 C 08 54 31.90 +55 30 50.7 V T08
2021-12-10 13:05:49 C 08 54 29.10 +55 31 42.2 V T08
2021-12-12 06:46:35 C 08 49 48.93 +56 55 41.7 V 703
2021-12-12 06:54:32 C 08 49 47.95 +56 55 57.7 V 703
2021-12-12 07:02:28 C 08 49 46.95 +56 56 13.5 V 703
2021-12-12 07:10:25 C 08 49 45.99 +56 56 29.5 V 703
2021-12-13 10:35:53 C 08 46 21.62 +57 49 39.0 V G96
2021-12-13 10:44:18 C 08 46 20.49 +57 49 54.9 V G96
2021-12-13 10:52:48 C 08 46 19.32 +57 50 11.1 V G96
2021-12-13 11:01:27 C 08 46 18.16 +57 50 27.6 V G96
2021-12-14 12:53:27 C 08 42 53.69 +58 38 48.2 V T08
2021-12-14 12:57:27 C 08 42 53.10 +58 38 55.4 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)