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
2023-05-15 04:18:45 C 15 39 06.73 +03 43 27.7 q X33
2023-05-15 04:21:50 C 15 39 06.37 +03 43 24.3 q X33
2023-05-17 15:31:11 C 15 30 16.05 +02 56 48.5 V D29
2023-05-17 15:51:33 C 15 30 12.78 +02 56 31.2 V D29
2023-05-17 16:11:55 C 15 30 09.49 +02 56 13.6 V D29
2023-05-18 10:54:37 C 15 27 10.331 +02 39 46.62 V U68
2023-05-18 10:59:25 C 15 27 09.522 +02 39 42.09 V U68
2023-05-18 11:24:57 C 15 27 05.374 +02 39 19.63 V U68
2023-05-18 11:29:46 C 15 27 04.566 +02 39 15.24 V U68
2023-05-18 15:11:30 C 15 26 29.82 +02 35 55.4 V D29
2023-05-18 15:31:51 C 15 26 26.37 +02 35 36.5 V D29
2023-05-18 15:52:13 C 15 26 23.00 +02 35 18.5 V D29
2023-05-18 21:43:45 C 15 25 25.872 +02 30 16.99 V M22
2023-05-18 21:46:24 C 15 25 25.421 +02 30 14.54 V M22
2023-05-18 21:50:23 C 15 25 24.756 +02 30 10.73 V M22
2023-05-18 22:16:20 C 15 25 20.371 +02 29 46.79 V M22
2023-05-19 21:21:46 C 15 21 29.73 +02 07 13.2 X G02
2023-05-19 21:27:55 C 15 21 28.65 +02 07 07.0 X G02
2023-05-19 21:33:39 C 15 21 27.66 +02 07 01.3 X G02
2023-05-19 22:37:50 C 15 21 16.50 +02 05 55.6 c M31
2023-05-19 22:43:11 C 15 21 15.69 +02 05 50.9 c M31
2023-05-19 22:48:32 C 15 21 14.65 +02 05 45.3 c M31
2023-05-20 03:21:11 C 15 20 28.46 +02 01 33.0 q X33
2023-05-20 03:24:20 C 15 20 27.93 +02 01 30.5 q X33
2023-05-20 03:27:27 C 15 20 27.33 +02 01 27.2 q X33
2023-05-20 04:51:32 C 15 20 12.730 +02 00 11.56 V W68
2023-05-20 04:58:44 C 15 20 11.460 +02 00 04.46 V W68
2023-05-20 05:31:11 C 15 20 05.729 +01 59 31.63 V W68
2023-05-20 09:41:33 C 15 19 22.314 +01 54 56.27 V 703
2023-05-20 09:43:20 C 15 19 22.012 +01 54 54.32 V 703
2023-05-20 09:45:06 C 15 19 21.677 +01 54 52.42 V 703
2023-05-20 09:46:52 C 15 19 21.360 +01 54 50.76 V 703
2023-05-21 08:49:29 C 15 15 19.526 +01 30 40.82 V 703
2023-05-21 08:51:14 C 15 15 19.213 +01 30 39.10 V 703
2023-05-21 08:53:01 C 15 15 18.896 +01 30 37.08 V 703
2023-05-21 08:54:47 C 15 15 18.562 +01 30 35.14 V 703
2023-05-21 21:15:24 C 15 13 06.82 +01 17 00.8 V G17
2023-05-21 21:25:54 C 15 13 04.88 +01 16 49.1 V G17
2023-05-21 21:32:54 C 15 13 03.58 +01 16 41.2 V G17
2023-05-21 21:36:24 C 15 13 02.94 +01 16 37.3 V G17
2023-05-21 22:54:24 B 15 12 48.23 +01 15 10.3 Z M45
2023-05-21 22:57:19 B 15 12 47.70 +01 15 06.8 Z M45
2023-05-21 23:00:01 B 15 12 47.20 +01 15 03.8 Z M45
2023-05-22 07:29:35 C 15 11 14.496 +01 05 33.18 V G96
2023-05-22 07:37:39 C 15 11 12.973 +01 05 23.89 V G96
2023-05-22 07:45:44 C 15 11 11.454 +01 05 14.68 V G96
2023-05-22 07:53:48 C 15 11 09.935 +01 05 05.64 V G96
2023-05-22 08:24:36 C 15 11 04.139 +01 04 30.47 V 703
2023-05-22 08:26:22 C 15 11 03.808 +01 04 28.49 V 703
2023-05-22 08:28:08 C 15 11 03.469 +01 04 26.54 V 703
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)