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
2025-06-11 03:47:58 C 13 10 36.314 -47 03 38.77 V W68
2025-06-11 03:55:51 C 13 10 30.046 -47 04 04.40 V W68
2025-06-11 20:31:19 C 12 57 23.674 -47 56 46.75 V M22
2025-06-11 20:35:54 C 12 57 19.951 -47 57 00.04 V M22
2025-06-11 20:44:40 C 12 57 12.797 -47 57 25.52 V M22
2025-06-11 21:08:46 C 12 56 53.203 -47 58 35.15 V M22
2025-06-14 23:44:53 C 11 56 02.34 -50 36 10.7 X X76
2025-06-14 23:50:15 C 11 55 57.87 -50 36 17.0 X X76
2025-06-14 23:55:14 C 11 55 53.72 -50 36 22.5 X X76
2025-06-17 23:56:48 B 10 59 49.62 -51 11 13.2 X X76
2025-06-18 00:02:26 B 10 59 45.42 -51 11 11.4 X X76
2025-06-18 00:09:06 B 10 59 40.51 -51 11 09.2 X X76
2025-06-18 00:59:52 C 10 59 04.159 -51 10 49.30 V W68
2025-06-18 01:08:31 C 10 58 57.768 -51 10 46.60 V W68
2025-06-18 01:25:14 C 10 58 45.372 -51 10 41.38 V W68
2025-06-18 01:29:55 C 10 58 41.911 -51 10 39.90 V W68
2025-06-19 23:44:32 B 10 26 49.93 -50 45 34.6 X X76
2025-06-19 23:49:11 B 10 26 46.81 -50 45 30.7 X X76
2025-06-19 23:54:28 B 10 26 43.39 -50 45 25.4 X X76
2025-06-29 23:08:41 C 08 38 13.471 -44 45 45.65 V W68
2025-06-29 23:12:40 C 08 38 12.245 -44 45 38.45 V W68
2025-06-29 23:49:03 C 08 38 01.183 -44 44 32.86 V W68
2025-06-29 23:56:21 C 08 37 58.985 -44 44 19.82 V W68
2025-08-18 09:20:35 C 07 01 46.589 -11 20 02.36 V W68
2025-08-18 09:28:31 C 07 01 46.814 -11 19 48.79 V W68
2025-08-18 09:38:28 C 07 01 47.138 -11 19 31.19 V W68
2025-09-22 14:46:45 C 08 00 31.373 +10 23 09.95 X F52
2025-09-22 14:53:40 C 08 00 31.984 +10 23 18.84 X F52
2025-09-22 15:00:35 C 08 00 32.598 +10 23 27.76 X F52
2025-09-22 15:07:13 C 08 00 33.187 +10 23 36.27 X F52
2025-09-30 10:54:05 C 08 17 43.058 +14 15 04.93 V 703
2025-09-30 10:57:24 C 08 17 43.393 +14 15 08.35 V 703
2025-09-30 11:00:42 C 08 17 43.642 +14 15 12.42 V 703
2025-09-30 11:03:59 C 08 17 43.987 +14 15 16.42 V 703
2025-09-30 14:52:19 C 08 18 04.978 +14 19 50.23 V T05
2025-09-30 14:58:16 C 08 18 05.470 +14 19 57.94 V T05
2025-09-30 15:09:15 C 08 18 06.506 +14 20 11.18 V T05
2025-09-30 15:17:17 C 08 18 07.200 +14 20 20.51 V T05
2025-10-02 11:12:50 C 08 22 10.024 +15 12 13.90 V 703
2025-10-02 11:16:08 C 08 22 10.326 +15 12 17.68 V 703
2025-10-02 11:19:26 C 08 22 10.657 +15 12 21.74 V 703
2025-10-02 11:22:44 C 08 22 10.906 +15 12 25.24 V 703
2025-10-04 12:01:30 C 08 26 39.584 +16 09 09.68 V 703
2025-10-04 12:04:49 C 08 26 39.890 +16 09 14.62 V 703
2025-10-04 12:08:07 C 08 26 40.225 +16 09 18.11 V 703
2025-10-04 12:11:26 C 08 26 40.484 +16 09 22.25 V 703
2025-10-04 13:31:37 C 08 26 48.120 +16 10 55.45 V T05
2025-10-04 13:36:53 C 08 26 48.646 +16 11 01.64 V T05
2025-10-04 14:10:15 C 08 26 51.614 +16 11 40.60 V T05
2025-10-04 14:36:18 C 08 26 53.964 +16 12 11.05 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)