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
2021-06-07 08:35:34 C 13 28 45.87 +01 46 53.5 V T08
2021-06-09 07:45:54 C 13 22 14.06 +00 39 26.7 V T05
2021-06-09 07:50:31 C 13 22 13.42 +00 39 20.1 V T05
2021-06-09 08:00:26 C 13 22 12.01 +00 39 05.7 V T05
2021-06-09 08:25:32 C 13 22 08.49 +00 38 29.2 V T05
2021-06-09 21:23:24 C 13 20 23.09 +00 19 30.5 q 160
2021-06-09 21:26:35 C 13 20 22.66 +00 19 25.8 q 160
2021-06-09 21:29:44 C 13 20 22.21 +00 19 21.1 q 160
2021-06-10 05:58:18 C 13 19 13.72 +00 06 57.7 V 703
2021-06-10 06:06:26 C 13 19 12.52 +00 06 46.3 V 703
2021-06-10 06:14:35 C 13 19 11.40 +00 06 34.3 V 703
2021-06-10 06:22:44 C 13 19 10.28 +00 06 22.6 V 703
2021-06-11 05:29:04 C 13 16 06.23 -00 27 45.8 V 703
2021-06-11 05:37:05 C 13 16 05.13 -00 27 57.6 V 703
2021-06-11 05:45:06 C 13 16 04.03 -00 28 09.7 V 703
2021-06-11 05:53:07 C 13 16 02.96 -00 28 21.6 V 703
2021-06-11 07:19:51 C 13 15 51.876 -00 30 27.44 U F51
2021-06-11 07:36:40 C 13 15 49.584 -00 30 52.42 U F51
2021-06-11 07:53:24 C 13 15 47.305 -00 31 17.36 U F51
2021-06-11 08:04:52 C 13 15 45.73 -00 31 34.1 V T08
2021-06-11 08:10:10 C 13 15 45.02 -00 31 41.9 V T08
2021-06-11 08:19:30 C 13 15 43.74 -00 31 55.8 V T08
2021-06-11 08:38:49 C 13 15 41.13 -00 32 24.6 V T08
2021-06-13 08:30:55 C 13 09 30.84 -01 44 24.4 V T05
2021-06-13 08:36:11 C 13 09 30.15 -01 44 32.6 V T05
2021-06-13 08:44:07 C 13 09 29.12 -01 44 44.6 V T05
2021-06-13 09:04:35 C 13 09 26.45 -01 45 15.7 V T05
2021-06-14 00:47:07 S 13 07 28.84 -02 09 04.4 L C51
2021-06-14 02:46:32 C 13 07 13.85 -02 12 19.0 V V93
2021-06-14 03:52:36 C 13 07 05.35 -02 14 00.3 V V93
2021-06-14 03:54:42 S 13 07 05.48 -02 13 50.9 L C51
2021-06-14 04:47:23 C 13 06 58.34 -02 15 23.7 V V93
2021-06-14 07:03:34 S 13 06 41.99 -02 18 40.0 L C51
2021-06-14 08:37:38 S 13 06 30.35 -02 21 04.2 L C51
2021-06-14 10:11:42 S 13 06 18.70 -02 23 28.1 L C51
2021-06-14 10:11:53 S 13 06 18.68 -02 23 28.5 L C51
2021-06-14 11:45:13 S 13 06 07.15 -02 25 50.9 L C51
2021-06-14 14:54:05 S 13 05 43.83 -02 30 41.1 L C51
2021-06-14 18:02:13 S 13 05 20.67 -02 35 29.8 L C51
2021-06-15 06:49:36 C 13 03 46.83 -02 55 18.1 V T08
2021-06-15 06:53:38 C 13 03 46.32 -02 55 24.3 V T08
2021-06-15 07:02:55 C 13 03 45.16 -02 55 38.6 V T08
2021-06-15 07:25:31 C 13 03 42.30 -02 56 13.4 V T08
2021-06-16 03:40:12 C 13 01 16.37 -03 27 36.1 V I52
2021-06-16 03:43:04 C 13 01 16.03 -03 27 40.2 V I52
2021-06-16 03:45:30 C 13 01 15.72 -03 27 44.3 V I52
2021-06-16 03:48:22 C 13 01 15.37 -03 27 48.6 V I52
2021-06-17 06:53:35 C 12 58 03.92 -04 09 54.8 V T05
2021-06-17 06:58:12 C 12 58 03.37 -04 10 01.8 V T05
2021-06-17 07:02:50 C 12 58 02.75 -04 10 10.1 V T05
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)