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
2023-05-30 14:15:00 C 14 30 37.877 -03 32 58.67 V P07
2023-05-30 15:08:12 C 14 30 25.594 -03 34 26.33 V P07
2023-05-30 15:10:01 C 14 30 25.181 -03 34 29.57 V P07
2023-05-30 16:28:44 C 14 30 07.121 -03 36 39.92 V P07
2023-05-30 20:01:49 C 14 29 20.37 -03 43 03.6 X G02
2023-05-30 20:09:01 C 14 29 18.71 -03 43 15.8 X G02
2023-05-30 20:15:57 C 14 29 17.12 -03 43 27.1 X G02
2023-06-05 06:14:47 C 13 58 58.174 -07 38 20.15 V 703
2023-06-05 06:16:33 C 13 58 57.745 -07 38 23.60 V 703
2023-06-05 06:18:18 C 13 58 57.317 -07 38 27.02 V 703
2023-06-05 06:20:04 C 13 58 56.892 -07 38 30.41 V 703
2023-06-06 06:40:01 C 13 53 05.802 -08 25 39.39 X F52
2023-06-06 06:55:52 C 13 53 01.854 -08 26 10.45 X F52
2023-06-06 07:11:49 C 13 52 57.847 -08 26 41.90 X F52
2023-06-06 07:27:43 C 13 52 53.865 -08 27 13.23 X F52
2023-06-07 06:19:11 C 13 47 20.180 -09 12 19.73 V 703
2023-06-07 06:20:57 C 13 47 19.745 -09 12 23.18 V 703
2023-06-07 06:22:43 C 13 47 19.306 -09 12 26.42 V 703
2023-06-07 06:24:29 C 13 47 18.874 -09 12 29.77 V 703
2023-06-08 06:02:34 C 13 41 33.068 -09 59 38.69 V 703
2023-06-08 06:04:20 C 13 41 32.611 -09 59 42.32 V 703
2023-06-08 06:06:05 C 13 41 32.176 -09 59 45.71 V 703
2023-06-08 06:07:51 C 13 41 31.736 -09 59 49.31 V 703
2023-06-09 06:09:54 C 13 35 38.767 -10 48 13.46 V 703
2023-06-09 06:11:40 C 13 35 38.324 -10 48 17.14 V 703
2023-06-09 06:13:25 C 13 35 37.878 -10 48 20.70 V 703
2023-06-09 06:15:11 C 13 35 37.446 -10 48 24.05 V 703
2023-06-10 06:12:02 C 13 29 45.179 -11 36 58.72 V 703
2023-06-10 06:13:48 C 13 29 44.725 -11 37 02.14 V 703
2023-06-10 06:15:33 C 13 29 44.315 -11 37 05.52 V 703
2023-06-10 06:17:19 C 13 29 43.876 -11 37 08.98 V 703
2023-06-11 02:29:36 C 13 24 46.944 -12 17 51.72 V W68
2023-06-11 02:47:26 C 13 24 42.458 -12 18 27.90 V W68
2023-06-11 02:52:06 C 13 24 41.309 -12 18 37.30 V W68
2023-06-11 03:13:30 C 13 24 35.921 -12 19 20.71 V W68
2023-06-12 05:22:22 C 13 18 11.830 -13 13 10.56 V G96
2023-06-12 05:30:31 C 13 18 09.788 -13 13 27.08 V G96
2023-06-12 05:38:39 C 13 18 07.744 -13 13 43.61 V G96
2023-06-12 05:46:49 C 13 18 05.710 -13 14 00.17 V G96
2023-06-13 01:50:07 C 13 13 12.185 -13 54 28.94 V W68
2023-06-13 01:55:21 C 13 13 10.874 -13 54 39.56 V W68
2023-06-13 02:06:38 C 13 13 08.052 -13 55 02.46 V W68
2023-06-13 02:42:01 C 13 12 59.196 -13 56 14.24 V W68
2023-06-13 05:15:00 C 13 12 21.899 -14 01 52.61 V 703
2023-06-13 05:16:47 C 13 12 21.467 -14 01 56.89 V 703
2023-06-13 05:18:35 C 13 12 21.028 -14 02 00.46 V 703
2023-06-13 05:20:22 C 13 12 20.588 -14 02 03.91 V 703
2023-06-14 02:11:04 C 13 07 16.399 -14 44 02.54 V W68
2023-06-14 02:15:05 C 13 07 15.391 -14 44 10.64 V W68
2023-06-14 02:31:49 C 13 07 11.234 -14 44 44.66 V W68
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)