1863 Antinous (1948 EA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6062665000
Semi-major axis (a)2.2601158000 AU
Inclination (i)18.37865000°
Long. of Asc. Node (Ω)345.55122000°
Arg. of Perihelion (ω)269.07454000°
Mean Anomaly (M)289.56449000°
Mean Motion (n)0.2900734900°/day
Perihelion dist (q)0.88988330 AU
Aphelion dist (Q)3.63034830 AU
Orbital Period3.39778610 yr
Physical Parameters
H (abs. magnitude)15.34
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty0
Orbit TypeApollo
MOID0.187781 AU
Observations Used1490
Oppositions29
Arc Total1948-2026
First Observation Used
Last Observation Used2026-03-21
Observations (1601)
Date Type RA Dec Mag Band Observatory
2016-08-19 14:19:17 C 01 29 50.37 +13 11 40.1 L T05
2016-08-30 08:59:19 C 01 11 26.25 +15 10 47.5 q G96
2016-08-30 09:09:53 C 01 11 25.36 +15 10 51.2 q G96
2016-08-30 09:20:29 C 01 11 24.46 +15 10 55.2 q G96
2016-08-30 09:31:00 C 01 11 23.58 +15 10 59.1 q G96
2016-08-30 12:37:22 C 01 11 08.40 +15 12 09.5 L T05
2016-08-30 13:06:44 C 01 11 05.89 +15 12 20.4 L T05
2016-08-30 13:08:14 C 01 11 05.79 +15 12 21.1 L T05
2016-08-30 13:52:12 C 01 11 02.03 +15 12 36.6 L T05
2016-09-05 11:08:29 C 00 58 53.52 +15 56 07.6 q G96
2016-09-05 11:13:58 C 00 58 53.02 +15 56 09.0 q G96
2016-09-05 11:19:28 C 00 58 52.51 +15 56 10.3 q G96
2016-09-05 11:24:58 C 00 58 52.01 +15 56 11.7 q G96
2016-09-05 16:32:29 C 00 58 25.02 +15 57 28.4 q D29
2016-09-05 16:55:24 C 00 58 22.90 +15 57 34.1 q D29
2016-09-05 17:18:18 C 00 58 20.78 +15 57 39.8 q D29
2016-09-06 07:05:49 C 00 57 06.48 +16 00 59.0 q G96
2016-09-06 07:15:18 C 00 57 05.60 +16 01 01.3 q G96
2016-09-06 07:24:48 C 00 57 04.72 +16 01 03.7 q G96
2016-09-06 07:28:26 C 00 57 04.37 +16 01 04.3 q 703
2016-09-06 07:34:13 C 00 57 03.84 +16 01 06.0 q G96
2016-09-06 07:34:21 C 00 57 03.82 +16 01 05.9 q 703
2016-09-06 07:40:16 C 00 57 03.27 +16 01 07.1 q 703
2016-09-06 07:46:10 C 00 57 02.73 +16 01 08.8 q 703
2016-09-06 11:56:37 C 00 56 39.89 +16 02 09.5 L T05
2016-09-06 12:23:54 C 00 56 37.33 +16 02 15.5 L T05
2016-09-06 12:32:05 C 00 56 36.60 +16 02 17.8 L T05
2016-09-06 13:05:51 C 00 56 33.37 +16 02 25.5 L T05
2016-09-06 13:25:16 C 00 56 31.59 +16 02 30.1 L T05
2016-09-08 16:56:06 C 00 51 49.35 +16 13 14.1 q D29
2016-09-08 16:57:22 C 00 51 49.24 +16 13 14.4 q D29
2016-09-08 17:16:28 C 00 51 47.41 +16 13 18.0 q D29
2016-09-08 17:17:45 C 00 51 47.30 +16 13 18.1 q D29
2016-09-08 17:36:49 C 00 51 45.48 +16 13 21.8 q D29
2016-09-08 17:38:06 C 00 51 45.37 +16 13 22.1 q D29
2016-09-19 23:10:59 C 00 26 42.88 +16 35 42.4 d B66
2016-09-20 00:11:04 C 00 26 37.25 +16 35 41.5 d B66
2016-09-20 20:40:56 C 00 24 46.00 +16 35 14.6 o C41
2016-09-20 20:51:43 C 00 24 44.98 +16 35 14.3 o C41
2016-09-21 16:48:32 C 00 22 57.32 +16 34 33.3 q D29
2016-09-21 17:08:55 C 00 22 55.44 +16 34 32.3 q D29
2016-09-21 17:29:17 C 00 22 53.57 +16 34 31.5 q D29
2016-09-22 07:56:33 C 00 21 36.33 +16 33 51.6 q 703
2016-09-22 08:05:13 C 00 21 35.59 +16 33 51.3 q 703
2016-09-22 08:13:52 C 00 21 34.77 +16 33 50.8 q 703
2016-09-22 08:22:31 C 00 21 33.97 +16 33 50.8 q 703
2016-09-22 09:23:02 C 00 21 28.46 +16 33 46.8 q G96
2016-09-22 09:29:20 C 00 21 27.88 +16 33 46.4 q G96
2016-09-22 09:37:44 C 00 21 27.12 +16 33 46.0 q G96
2016-09-22 09:44:18 C 00 21 26.50 +16 33 45.5 q G96