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
2003-03-10 08:27:21 C 14 05 25.87 +33 54 08.4 c 699
2003-03-10 08:48:59 C 14 05 24.94 +33 54 19.0 c 699
2003-03-10 09:10:35 C 14 05 23.98 +33 54 32.9 c 699
2003-03-10 09:32:13 C 14 05 23.08 +33 54 44.4 c 699
2003-03-11 01:05:19 C 14 04 43.07 +34 03 43.5 c 106
2003-03-11 01:35:34 C 14 04 41.91 +34 04 03.3 c 106
2003-03-11 07:18:58 C 14 04 27.03 +34 07 21.5 c 649
2003-03-11 07:31:26 C 14 04 26.48 +34 07 29.0 c 649
2003-03-11 07:43:04 C 14 04 25.98 +34 07 35.4 c 649
2003-03-11 10:16:02 C 14 04 19.09 +34 09 05.0 c 926
2003-03-11 10:24:18 C 14 04 18.77 +34 09 10.6 c 926
2003-03-11 10:32:56 C 14 04 18.30 +34 09 15.5 c 926
2003-03-12 10:20:35 C 14 03 14.05 +34 22 51.9 c 926
2003-03-12 10:28:18 C 14 03 13.66 +34 22 56.1 c 926
2003-03-16 21:43:09 C 13 57 50.07 +35 21 57.8 c 540
2003-03-16 22:22:58 C 13 57 48.01 +35 22 19.2 c 540
2003-03-20 07:49:29 C 13 53 05.74 +36 03 56.4 c 673
2003-03-20 07:59:09 C 13 53 05.09 +36 04 00.8 c 673
2003-03-20 08:08:59 C 13 53 04.55 +36 04 05.6 c 673
2003-03-20 08:17:59 C 13 53 03.94 +36 04 10.4 c 673
2003-03-23 22:55:51 C 13 47 31.93 +36 44 20.5 c 587
2003-03-23 23:00:54 C 13 47 31.52 +36 44 20.6 c 587
2003-03-23 23:05:30 C 13 47 31.26 +36 44 24.0 c 587
2003-03-27 20:29:38 C 13 41 00.09 +37 22 01.2 c 240
2003-03-27 20:34:18 C 13 40 59.67 +37 22 04.1 c 240
2003-03-27 20:40:30 C 13 40 59.15 +37 22 08.9 c 240
2003-04-06 01:12:12 C 13 23 49.92 +38 22 18.6 d 941
2003-04-06 01:13:51 C 13 23 49.77 +38 22 18.8 d 941
2003-04-06 01:15:29 C 13 23 49.65 +38 22 19.2 d 941
2003-04-06 01:17:08 C 13 23 49.53 +38 22 19.3 d 941
2003-04-06 01:18:46 C 13 23 49.39 +38 22 19.8 d 941
2003-04-23 07:30:29 C 12 50 16.92 +38 04 06.1 c 926
2003-04-23 07:40:48 C 12 50 16.02 +38 04 04.5 c 926
2003-04-23 07:52:39 C 12 50 15.06 +38 04 02.1 c 926
2003-05-03 23:07:39 C 12 32 48.77 +36 29 40.5 d 941
2003-05-03 23:10:57 C 12 32 48.53 +36 29 39.0 d 941
2003-05-03 23:12:35 C 12 32 48.38 +36 29 38.4 d 941
2003-05-03 23:14:15 C 12 32 48.27 +36 29 37.7 d 941
2003-12-25 10:29:09 C 20 58 17.48 -33 47 43.5 r 413
2003-12-25 10:31:08 C 20 58 18.03 -33 47 40.9 r 413
2003-12-25 10:33:08 C 20 58 18.58 -33 47 38.7 r 413
2003-12-29 10:33:29 C 21 24 03.295 -31 36 35.06 r 413
2003-12-29 10:40:34 C 21 24 05.142 -31 36 24.40 r 413
2004-01-19 01:38:45 C 23 19 57.13 -14 59 48.0 r 448
2004-01-19 01:46:37 C 23 19 58.67 -14 59 29.8 r 448
2004-01-19 02:00:29 C 23 20 01.43 -14 58 59.5 r 448
2004-02-20 02:00:34 C 01 31 41.99 +12 42 45.8 d 703
2004-02-20 02:10:22 C 01 31 43.37 +12 43 04.2 d 703
2004-02-20 02:20:11 C 01 31 44.86 +12 43 22.7 d 703
2004-02-20 02:30:02 C 01 31 46.48 +12 43 38.1 d 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)