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
1999-02-26 07:32:36 C 12 51 18.94 -06 39 44.3 a 704
1999-02-26 07:47:32 C 12 51 19.13 -06 40 12.2 a 704
1999-02-26 08:17:20 C 12 51 19.48 -06 41 05.8 a 704
1999-02-28 01:24:42 C 12 51 57.25 -07 59 20.1 118
1999-02-28 01:31:30 C 12 51 57.33 -07 59 33.7 118
1999-02-28 03:00:31 C 12 51 58.36 -08 02 30.2 z 151
1999-02-28 03:04:10 C 12 51 58.49 -08 02 36.3 z 151
1999-02-28 03:08:45 C 12 51 58.49 -08 02 46.4 z 151
1999-03-05 13:55:09 C 12 53 20.47 -13 00 40.0 z 428
1999-03-05 13:59:55 C 12 53 20.48 -13 00 52.4 z 428
1999-03-05 14:04:37 C 12 53 20.48 -13 01 04.6 z 428
1999-03-05 14:09:10 C 12 53 20.48 -13 01 16.8 z 428
1999-03-05 14:13:51 C 12 53 20.48 -13 01 28.8 z 428
1999-03-09 08:00:16 C 12 53 34.35 -17 21 30.3 z 719
1999-03-09 08:04:11 C 12 53 34.30 -17 21 42.8 z 719
1999-03-14 11:17:24 C 12 52 41.90 -24 55 06.1 z 428
1999-03-14 11:19:01 C 12 52 41.89 -24 55 13.3 z 428
1999-03-14 11:32:57 C 12 52 41.59 -24 56 12.9 z 428
1999-03-18 10:21:13 C 12 50 40.65 -32 22 26.6 z 428
1999-03-18 10:23:44 C 12 50 40.55 -32 22 39.7 z 428
1999-03-18 10:26:11 C 12 50 40.45 -32 22 53.0 z 428
1999-03-18 10:27:59 C 12 50 40.41 -32 23 02.3 z 428
1999-03-18 10:29:55 C 12 50 40.33 -32 23 12.6 z 428
1999-03-19 00:02:09 C 12 50 12.99 -33 35 33.8 z 151
1999-03-19 00:07:05 C 12 50 13.20 -33 35 58.3 z 151
1999-03-19 00:13:25 C 12 50 12.70 -33 36 33.8 z 151
1999-03-23 10:30:44 C 12 45 24.31 -44 09 32.9 z 428
1999-03-23 10:32:00 C 12 45 24.23 -44 09 41.3 z 428
1999-03-23 14:11:23 C 12 45 07.71 -44 33 54.6 z 428
1999-03-23 14:12:35 C 12 45 07.62 -44 34 02.7 z 428
1999-03-23 14:13:44 C 12 45 07.54 -44 34 10.3 z 428
1999-03-23 14:14:52 C 12 45 07.45 -44 34 17.5 z 428
1999-03-27 11:26:08 C 12 36 55.31 -55 28 56.1 z 428
1999-03-27 11:27:27 C 12 36 55.13 -55 29 05.8 z 428
1999-03-27 11:28:39 C 12 36 54.96 -55 29 14.9 z 428
1999-03-27 11:29:55 C 12 36 54.80 -55 29 24.5 z 428
1999-04-01 09:30:36 C 12 11 48.08 -70 25 36.1 z 428
1999-04-01 09:32:15 C 12 11 47.40 -70 25 49.1 z 428
1999-04-01 09:33:29 C 12 11 46.92 -70 25 58.7 z 428
1999-04-01 09:35:01 C 12 11 46.34 -70 26 10.5 z 428
1999-04-01 09:36:33 C 12 11 45.76 -70 26 22.2 z 428
1999-04-01 09:42:57 C 12 11 43.27 -70 27 11.7 z 428
1999-04-06 03:43:07 C 10 04 38.14 -83 28 24.5 c 844
1999-04-06 03:50:55 C 10 04 14.19 -83 29 03.4 c 844
1999-04-06 04:02:11 C 10 03 39.41 -83 29 59.3 c 844
1999-04-13 11:09:55 C 02 16 07.12 -75 18 02.7 422
1999-04-13 11:10:57 C 02 16 06.64 -75 17 57.2 422
1999-04-13 11:11:45 C 02 16 06.29 -75 17 52.9 422
1999-08-08 00:11:25 C 01 40 18.63 +06 49 49.2 557
1999-08-08 01:36:21 C 01 40 14.81 +06 50 51.0 557