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
1948-03-05 07:03:21 A 12 10 32.49 -01 53 32.5 690
1948-03-06 06:50:26 A 12 09 03.80 -02 34 30.8 690
1948-03-07 09:06:35 A 12 07 17.16 -03 22 18.9 13.0 662
1948-03-10 07:06:05 A 12 01 48.34 -05 43 58.7 13.0 662
1948-03-10 07:20:19 A 12 01 47.01 -05 44 29.7 662
1948-03-11 08:26:26 A 11 59 30.19 -06 40 58.1 13.0 662
1948-03-11 08:35:39 A 11 59 29.23 -06 41 19.7 662
1948-03-21 06:19:22 A 11 27 15.98 -18 44 35.1 662
1948-03-21 06:25:20 A 11 27 14.81 -18 44 58.5 662
1948-03-27 23:41:17 A 10 48 23.22 -30 40 28.0 822
1948-03-28 00:00:14 A 10 48 17.42 -30 42 02.7 822
1948-03-28 04:48:34 A 10 46 47.72 -31 06 33.1 662
1948-03-28 04:57:32 A 10 46 44.80 -31 07 18.0 662
1948-03-28 05:06:31 A 10 46 41.92 -31 08 02.7 662
1948-03-31 05:06:38 A 10 21 39.65 -37 12 54.8 662
1948-03-31 05:13:05 A 10 21 37.04 -37 13 29.2 662
1948-04-01 18:41:05 A 10 06 13.09 -40 24 09.3 078
1948-04-02 00:22:58 A 10 03 43.32 -40 52 58.8 822
1948-04-02 00:36:57 A 10 03 37.00 -40 54 08.2 822
1948-04-02 17:16:22 A 09 56 04.11 -42 17 44.9 078
1948-04-03 17:37:23 A 09 44 18.93 -44 17 25.7 078
1948-04-04 00:30:02 A 09 40 49.86 -44 50 33.4 822
1948-04-04 00:45:00 A 09 40 41.93 -44 51 44.6 822
1948-04-04 17:34:27 A 09 31 56.05 -46 11 08.3 078
1948-04-06 17:36:33 A 09 04 35.03 -49 42 11.7 078
1948-04-07 17:20:39 A 08 49 51.27 -51 15 55.2 078
1948-04-07 23:33:22 A 08 45 52.57 -51 39 02.8 822
1948-04-07 23:46:20 A 08 45 44.03 -51 39 50.4 822
1948-04-08 17:01:45 A 08 34 25.19 -52 41 08.2 078
1948-04-09 17:16:47 A 08 17 55.69 -53 58 57.4 078
1948-04-10 17:31:48 A 08 00 50.43 -55 06 36.4 078
1948-04-11 00:53:21 A 07 55 32.93 -55 24 55.4 822
1948-04-11 01:06:18 A 07 55 23.46 -55 25 24.6 822
1948-04-11 03:56:18 A 07 53 18.87 -55 31 52.4 839
1948-04-11 04:14:14 A 07 53 05.70 -55 32 27.4 839
1948-04-12 16:59:30 A 07 26 20.15 -56 48 19.0 078
1948-04-18 00:45:50 A 05 55 37.64 -58 11 27.9 822
1948-04-18 01:08:46 A 05 55 21.59 -58 11 15.4 822
1948-06-07 09:05:29 A 02 03 26.58 -25 40 06.6 822
1948-06-07 09:23:29 A 02 03 26.24 -25 39 40.4 822
1948-06-12 09:25:30 A 02 01 50.42 -22 40 19.5 822
1948-06-12 09:43:30 A 02 01 50.19 -22 39 54.5 822
1948-07-10 06:55:30 A 01 59 03.88 -08 31 17.1 822
1948-07-10 07:14:31 A 01 59 03.62 -08 30 55.8 822
1948-08-15 11:02:31 A 01 24 20.46 +04 03 52.5 662
1948-08-15 11:35:26 A 01 24 17.80 +04 04 13.4 662
1948-09-28 03:14:19 A 23 43 42.72 +09 09 11.1 662
1948-09-28 03:45:14 A 23 43 40.35 +09 09 10.7 662
1972-01-20 12:42:00 A 15 52 28.62 -27 09 19.3 18.0 693
1972-02-21 08:10:57 A 19 11 29.96 -34 54 26.3 18.0 821