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
2016-01-24 08:23:07 C 12 38 52.97 +03 32 27.4 u H21
2016-01-24 08:26:54 C 12 38 53.17 +03 32 24.2 u H21
2016-01-24 08:30:41 C 12 38 53.40 +03 32 21.2 u H21
2016-01-24 08:34:28 C 12 38 53.60 +03 32 18.1 u H21
2016-01-24 08:38:14 C 12 38 53.81 +03 32 15.2 u H21
2016-01-24 08:42:01 C 12 38 54.03 +03 32 12.1 u H21
2016-01-24 08:45:48 C 12 38 54.24 +03 32 09.2 u H21
2016-01-24 08:49:35 C 12 38 54.44 +03 32 06.4 u H21
2016-01-24 08:53:21 C 12 38 54.65 +03 32 03.3 u H21
2016-01-24 08:57:08 C 12 38 54.87 +03 32 00.4 u H21
2016-01-24 09:01:33 C 12 38 55.11 +03 31 56.6 u H21
2016-02-03 05:19:54 C 12 52 27.08 -00 00 10.3 o Z22
2016-02-03 05:29:56 C 12 52 27.63 -00 00 20.5 o Z22
2016-02-03 05:42:19 C 12 52 28.28 -00 00 32.9 o Z22
2016-02-03 12:00:33 C 12 52 49.94 -00 06 59.9 q 703
2016-02-03 12:07:02 C 12 52 50.31 -00 07 07.0 q 703
2016-02-03 12:13:32 C 12 52 50.67 -00 07 13.3 q 703
2016-02-03 12:20:01 C 12 52 51.05 -00 07 21.0 q 703
2016-02-05 03:15:38 C 12 55 05.21 -00 48 18.2 q 160
2016-02-05 03:17:54 C 12 55 05.33 -00 48 20.3 q 160
2016-02-05 03:20:12 C 12 55 05.45 -00 48 22.9 q 160
2016-02-06 03:18:28 C 12 56 28.11 -01 14 35.0 q 160
2016-02-06 03:20:42 C 12 56 28.21 -01 14 37.0 q 160
2016-02-06 03:23:10 C 12 56 28.31 -01 14 40.0 q 160
2016-02-10 09:09:35 C 13 02 21.98 -03 15 24.5 R G45
2016-02-10 09:10:56 C 13 02 22.07 -03 15 26.0 R G45
2016-02-10 09:16:19 C 13 02 22.36 -03 15 33.1 R G45
2016-02-10 09:16:25 C 13 02 22.36 -03 15 33.2 R G45
2016-02-10 09:22:35 C 13 02 22.71 -03 15 41.1 R G45
2016-02-10 09:22:55 C 13 02 22.74 -03 15 41.4 R G45
2016-02-10 09:29:05 C 13 02 23.08 -03 15 49.3 R G45
2016-02-10 09:29:26 C 13 02 23.10 -03 15 49.4 R G45
2016-02-10 09:36:06 C 13 02 23.47 -03 15 58.0 R G45
2016-02-10 12:45:44 C 13 02 33.90 -03 19 58.6 q 703
2016-02-10 12:50:04 C 13 02 34.19 -03 20 04.6 q 703
2016-02-10 12:54:24 C 13 02 34.45 -03 20 10.3 q 703
2016-02-10 12:58:43 C 13 02 34.73 -03 20 17.4 q 703
2016-02-12 22:41:40 C 13 05 58.52 -04 37 04.5 o C41
2016-02-12 22:52:13 C 13 05 59.14 -04 37 19.6 o C41
2016-02-12 23:02:48 C 13 05 59.72 -04 37 33.4 o C41
2016-02-13 09:06:52 C 13 06 35.46 -04 51 37.6 R G45
2016-02-13 09:13:28 C 13 06 35.84 -04 51 46.6 R G45
2016-02-13 09:20:04 C 13 06 36.20 -04 51 56.0 R G45
2016-02-13 09:32:32 C 13 06 36.91 -04 52 13.8 R G45
2016-02-13 09:39:08 C 13 06 37.30 -04 52 22.7 R G45
2016-02-15 13:19:49 C 13 09 42.371 -06 08 05.13 L F51
2016-02-15 13:36:40 C 13 09 43.332 -06 08 30.79 L F51
2016-02-15 13:53:33 C 13 09 44.275 -06 08 56.46 L F51
2016-02-18 09:49:48 C 13 13 54.30 -07 58 19.7 L T05
2016-02-18 10:09:21 C 13 13 55.42 -07 58 53.4 L T05