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
2023-06-14 02:41:12 C 13 07 08.887 -14 45 03.24 V W68
2023-06-14 05:01:13 C 13 06 35.046 -14 50 15.07 V 703
2023-06-14 05:02:58 C 13 06 34.614 -14 50 18.64 V 703
2023-06-14 05:04:44 C 13 06 34.153 -14 50 22.27 V 703
2023-06-14 05:06:30 C 13 06 33.703 -14 50 25.73 V 703
2023-06-17 01:30:41 C 12 50 07.006 -17 07 29.46 V W68
2023-06-17 01:39:44 S 12 50 05.17 -17 07 53.7 L C51
2023-06-17 01:42:20 C 12 50 04.164 -17 07 52.39 V W68
2023-06-17 02:13:08 C 12 49 56.640 -17 08 52.98 V W68
2023-06-17 04:45:52 S 12 49 20.88 -17 14 01.3 L C51
2023-06-17 06:20:07 S 12 48 58.50 -17 17 09.6 L C51
2023-06-17 07:53:27 S 12 48 36.33 -17 20 14.2 L C51
2023-06-17 09:26:47 S 12 48 14.16 -17 23 18.7 L C51
2023-06-17 09:26:58 S 12 48 14.14 -17 23 19.4 L C51
2023-06-17 12:32:54 S 12 47 30.01 -17 29 25.0 L C51
2023-06-19 03:51:02 C 12 38 15.079 -18 46 35.83 V 703
2023-06-19 03:52:48 C 12 38 14.698 -18 46 38.89 V 703
2023-06-19 03:54:34 C 12 38 14.190 -18 46 42.92 V 703
2023-06-19 03:56:20 C 12 38 13.870 -18 46 45.66 V 703
2023-06-21 19:22:17 C 12 23 37.706 -20 46 22.84 V M22
2023-06-21 19:46:56 C 12 23 31.990 -20 47 08.05 V M22
2023-06-21 20:07:52 C 12 23 27.132 -20 47 46.28 V M22
2023-06-24 18:52:03 C 12 07 41.383 -22 54 52.56 V M22
2023-06-24 18:56:39 C 12 07 40.363 -22 55 00.52 V M22
2023-06-24 19:06:54 C 12 07 38.064 -22 55 18.01 V M22
2023-06-24 19:21:05 C 12 07 34.882 -22 55 42.38 V M22
2023-06-28 23:48:26 C 11 46 07.363 -25 42 08.89 V W68
2023-06-28 23:53:06 C 11 46 06.370 -25 42 16.06 V W68
2023-06-29 00:06:44 C 11 46 03.437 -25 42 37.37 V W68
2023-06-29 00:25:49 C 11 45 59.347 -25 43 06.64 V W68
2023-07-02 00:44:46 C 11 31 08.990 -27 31 47.10 V W68
2023-07-02 00:49:23 C 11 31 08.016 -27 31 53.44 V W68
2023-07-02 00:57:58 C 11 31 06.257 -27 32 05.68 V W68
2023-07-02 01:17:40 C 11 31 02.196 -27 32 33.54 V W68
2023-07-03 19:47:09 C 11 22 31.538 -28 31 49.30 V M22
2023-07-03 20:11:31 C 11 22 26.630 -28 32 21.26 V M22
2023-07-03 20:25:12 C 11 22 23.882 -28 32 39.44 V M22
2023-07-05 01:10:20 C 11 16 43.279 -29 10 51.92 V W68
2023-07-05 01:17:31 C 11 16 41.818 -29 11 01.03 V W68
2023-07-05 01:21:39 C 11 16 40.999 -29 11 06.11 V W68
2023-07-05 01:39:33 C 11 16 37.442 -29 11 28.57 V W68
2023-07-06 19:05:09 C 11 08 32.395 -30 03 35.96 V M22
2023-07-06 19:09:40 C 11 08 31.498 -30 03 41.15 V M22
2023-07-06 19:18:33 C 11 08 29.774 -30 03 51.70 V M22
2023-07-06 19:43:56 C 11 08 24.775 -30 04 21.90 V M22
2023-07-12 17:18:28 C 10 41 28.493 -32 36 23.04 V M22
2023-07-12 17:28:57 C 10 41 26.489 -32 36 32.83 V M22
2023-07-12 17:43:11 C 10 41 23.765 -32 36 45.25 V M22
2023-07-14 00:29:58 C 10 35 38.474 -33 04 12.04 V W68
2023-07-14 01:01:51 C 10 35 32.460 -33 04 38.10 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)