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
2025-04-27 03:12:03 C 17 08 25.613 -01 12 15.23 V R17
2025-04-27 03:32:36 C 17 08 25.337 -01 12 24.59 V R17
2025-04-27 11:58:14 C 17 08 20.436 -01 16 15.82 V T05
2025-04-27 12:00:51 C 17 08 20.393 -01 16 17.11 V T05
2025-04-27 12:24:16 C 17 08 20.040 -01 16 27.91 V T05
2025-04-27 12:30:51 C 17 08 19.961 -01 16 30.94 V T05
2025-04-27 12:53:39 C 17 08 19.614 -01 16 41.78 X F51
2025-04-27 13:07:16 C 17 08 19.413 -01 16 48.11 X F51
2025-04-27 13:34:50 C 17 08 19.002 -01 17 01.08 X F51
2025-04-28 00:03:16 C 17 08 12.254 -01 21 46.76 V M22
2025-04-28 00:10:26 C 17 08 12.151 -01 21 50.04 V M22
2025-04-28 00:13:01 C 17 08 12.094 -01 21 51.52 V M22
2025-04-28 00:20:50 C 17 08 11.978 -01 21 55.26 V M22
2025-04-29 01:37:57 B 17 07 51.413 -01 34 57.61 X K87
2025-04-29 01:48:29 B 17 07 51.223 -01 35 02.98 X K87
2025-04-29 01:59:00 B 17 07 51.036 -01 35 08.56 X K87
2025-04-29 22:20:23 C 17 07 31.898 -01 46 04.26 V M52
2025-04-29 22:53:47 C 17 07 31.258 -01 46 22.73 V M52
2025-04-29 23:35:04 C 17 07 30.396 -01 46 47.39 Z C23
2025-04-30 00:51:45 C 17 07 28.908 -01 47 30.01 Z C23
2025-04-30 01:22:46 C 17 07 28.174 -01 47 48.26 Z C23
2025-04-30 06:05:51 C 17 07 23.196 -01 50 07.01 V W68
2025-04-30 06:08:27 C 17 07 23.136 -01 50 08.70 V W68
2025-04-30 06:13:01 C 17 07 23.038 -01 50 11.18 V W68
2025-04-30 06:20:50 C 17 07 22.870 -01 50 15.58 V W68
2025-04-30 22:05:00 C 17 07 04.939 -01 59 42.58 V M52
2025-04-30 22:58:35 C 17 07 03.730 -02 00 15.05 V M52
2025-05-01 13:57:25 C 17 06 43.483 -02 09 18.07 V T05
2025-05-01 14:16:13 C 17 06 42.979 -02 09 29.77 V T05
2025-05-01 14:49:30 C 17 06 42.084 -02 09 50.44 V T05
2025-05-01 14:53:30 C 17 06 41.986 -02 09 53.14 V T05
2025-05-01 15:01:31 C 17 06 41.748 -02 09 58.00 V T05
2025-05-02 03:03:38 C 17 06 25.459 -02 17 39.73 V R17
2025-05-02 03:23:59 C 17 06 24.862 -02 17 52.80 V R17
2025-05-02 03:44:21 C 17 06 24.271 -02 18 06.19 V R17
2025-05-02 04:04:48 C 17 06 23.683 -02 18 19.40 V R17
2025-05-03 11:27:41 C 17 05 33.859 -02 39 38.20 V T08
2025-05-03 11:30:19 C 17 05 33.773 -02 39 40.07 V T08
2025-05-03 11:34:56 C 17 05 33.643 -02 39 43.31 V T08
2025-05-03 11:45:29 C 17 05 33.276 -02 39 50.87 V T08
2025-05-04 08:32:36 C 17 04 54.461 -02 54 52.45 V W68
2025-05-04 08:37:15 C 17 04 54.283 -02 54 55.80 V W68
2025-05-04 08:45:46 C 17 04 53.981 -02 55 02.35 V W68
2025-05-04 09:02:07 C 17 04 53.374 -02 55 14.92 V W68
2025-05-04 23:00:55 C 17 04 26.441 -03 06 26.82 Z C23
2025-05-04 23:44:53 C 17 04 24.802 -03 07 02.28 Z C23
2025-05-05 00:40:58 C 17 04 22.682 -03 07 46.31 Z C23
2025-05-05 01:04:01 C 17 04 21.727 -03 08 03.19 Z C23
2025-05-05 22:07:12 B 17 03 35.82 -03 25 20.0 X L76
2025-05-05 22:17:42 B 17 03 35.38 -03 25 28.8 X L76
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)