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
2025-05-05 22:28:11 B 17 03 34.94 -03 25 37.7 X L76
2025-05-06 00:43:04 B 17 03 29.688 -03 27 33.41 V L65
2025-05-06 00:47:15 B 17 03 29.515 -03 27 36.94 V L65
2025-05-06 00:51:26 B 17 03 29.342 -03 27 40.61 V L65
2025-05-06 01:17:13 C 17 03 28.058 -03 27 38.02 V M22
2025-05-06 01:23:09 C 17 03 27.797 -03 27 43.06 V M22
2025-05-06 01:32:21 C 17 03 27.396 -03 27 50.87 V M22
2025-05-06 02:22:54 C 17 03 25.214 -03 28 34.10 V M22
2025-05-06 04:02:14 B 17 03 22.250 -03 30 21.96 q X04
2025-05-06 04:34:37 B 17 03 20.731 -03 30 50.65 q X04
2025-05-06 05:02:36 B 17 03 19.817 -03 31 16.28 q X04
2025-05-07 11:23:14 C 17 02 02.995 -03 58 30.36 V T08
2025-05-07 11:25:54 C 17 02 02.858 -03 58 32.88 V T08
2025-05-07 11:31:11 C 17 02 02.592 -03 58 37.78 V T08
2025-05-08 04:45:27 C 17 01 14.765 -04 15 01.73 V W68
2025-05-08 04:48:03 C 17 01 14.635 -04 15 04.14 V W68
2025-05-08 04:52:36 C 17 01 14.386 -04 15 08.86 V W68
2025-05-08 05:01:06 C 17 01 13.934 -04 15 17.14 V W68
2025-05-08 23:08:58 C 17 00 19.558 -04 34 11.42 Z C23
2025-05-08 23:52:04 C 17 00 17.206 -04 34 56.68 Z C23
2025-05-09 00:37:08 C 17 00 14.683 -04 35 43.48 Z C23
2025-05-09 10:41:48 C 16 59 42.862 -04 46 20.89 V T05
2025-05-09 10:55:16 C 16 59 42.065 -04 46 35.58 V T05
2025-05-09 10:59:51 C 16 59 41.796 -04 46 40.33 V T05
2025-05-09 11:11:49 C 16 59 41.078 -04 46 53.47 V T05
2025-05-09 14:03:44 C 16 59 30.752 -04 50 00.47 X F51
2025-05-09 14:11:32 C 16 59 30.283 -04 50 09.00 X F51
2025-05-09 14:19:21 C 16 59 29.815 -04 50 17.49 X F51
2025-05-09 14:26:48 C 16 59 29.370 -04 50 25.65 X F51
2025-05-09 19:39:45 B 16 59 13.459 -04 56 11.76 W M73
2025-05-09 19:53:51 B 16 59 12.607 -04 56 27.49 W M73
2025-05-09 20:07:58 B 16 59 11.748 -04 56 43.26 W M73
2025-05-09 22:10:23 C 16 59 04.910 -04 59 06.76 Z C23
2025-05-09 22:34:33 C 16 59 03.454 -04 59 33.90 Z C23
2025-05-09 23:57:19 C 16 58 58.474 -05 01 07.25 Z C23
2025-05-10 20:07:50 B 16 57 47.042 -05 24 23.58 W M73
2025-05-10 20:28:43 B 16 57 45.653 -05 24 48.56 W M73
2025-05-10 23:00:00 C 16 57 36.307 -05 27 57.60 Z C23
2025-05-10 23:21:04 C 16 57 34.867 -05 28 22.48 Z C23
2025-05-11 04:00:49 C 16 57 17.635 -05 33 35.35 V W68
2025-05-11 04:03:26 C 16 57 17.455 -05 33 38.59 V W68
2025-05-11 04:08:05 C 16 57 17.126 -05 33 44.24 V W68
2025-05-11 04:25:14 C 16 57 15.970 -05 34 05.20 V W68
2025-05-11 10:14:44 C 16 56 53.556 -05 41 34.76 V T08
2025-05-11 10:18:02 C 16 56 53.323 -05 41 38.80 V T08
2025-05-11 10:21:59 C 16 56 53.040 -05 41 43.73 V T08
2025-05-11 10:31:13 C 16 56 52.394 -05 41 55.25 V T08
2025-05-11 21:51:40 C 16 56 07.522 -05 55 57.76 V M22
2025-05-11 21:55:36 C 16 56 07.243 -05 56 02.80 V M22
2025-05-11 22:02:57 C 16 56 06.715 -05 56 12.23 V M22
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)