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
2014-12-13 11:48:58 C 05 37 23.743 +48 16 46.45 L F51
2015-11-20 11:46:49 C 11 03 48.78 +17 24 29.8 q 703
2015-11-20 11:53:22 C 11 03 49.18 +17 24 27.9 q 703
2015-11-20 12:06:25 C 11 03 50.09 +17 24 21.7 q 703
2015-12-16 13:58:16 C 11 43 28.162 +12 45 12.37 L F51
2015-12-16 14:15:34 C 11 43 29.212 +12 45 04.13 L F51
2015-12-17 14:44:40 C 11 45 00.021 +12 33 17.69 L F51
2015-12-17 15:01:49 C 11 45 01.047 +12 33 09.45 L F51
2015-12-17 15:19:00 C 11 45 02.087 +12 33 01.26 L F51
2015-12-17 15:36:13 C 11 45 03.125 +12 32 52.94 L F51
2015-12-18 13:59:06 C 11 46 26.153 +12 22 02.42 L F51
2015-12-18 14:16:46 C 11 46 27.225 +12 21 53.78 L F51
2015-12-18 14:34:35 C 11 46 28.298 +12 21 45.24 L F51
2015-12-18 14:52:23 C 11 46 29.375 +12 21 36.57 L F51
2015-12-29 17:58:26 C 12 02 47.26 +10 05 38.1 q Q21
2015-12-29 18:11:02 C 12 02 48.07 +10 05 30.4 q Q21
2016-01-04 03:11:38 C 12 10 32.69 +08 54 27.8 o Z22
2016-01-04 03:15:23 C 12 10 32.96 +08 54 25.5 o Z22
2016-01-04 03:26:54 C 12 10 33.65 +08 54 18.9 o Z22
2016-01-04 03:45:36 C 12 10 34.69 +08 54 08.1 o Z22
2016-01-13 10:57:19 C 12 23 45.35 +06 39 11.3 R G45
2016-01-13 10:57:25 C 12 23 45.37 +06 39 11.3 R G45
2016-01-13 11:06:03 C 12 23 45.85 +06 39 05.6 R G45
2016-01-13 11:06:09 C 12 23 45.85 +06 39 05.6 R G45
2016-01-13 11:14:21 C 12 23 46.33 +06 39 00.5 R G45
2016-01-13 11:14:27 C 12 23 46.33 +06 39 00.2 R G45
2016-01-13 11:14:33 C 12 23 46.33 +06 39 00.2 R G45
2016-01-13 11:23:16 C 12 23 46.82 +06 38 54.5 R G45
2016-01-13 11:23:22 C 12 23 46.83 +06 38 54.6 R G45
2016-01-13 11:32:09 C 12 23 47.32 +06 38 48.7 R G45
2016-01-17 02:32:37 C 12 28 51.28 +05 40 47.6 q 160
2016-01-17 02:35:22 C 12 28 51.43 +05 40 45.2 q 160
2016-01-17 02:38:08 C 12 28 51.61 +05 40 43.2 q 160
2016-01-18 02:42:46 C 12 30 15.26 +05 24 00.5 q 160
2016-01-18 02:45:44 C 12 30 15.49 +05 23 57.6 q 160
2016-01-18 02:48:45 C 12 30 15.63 +05 23 56.7 q 160
2016-01-20 11:45:24 C 12 33 32.98 +04 43 09.7 q 703
2016-01-20 11:55:32 C 12 33 33.53 +04 43 02.1 q 703
2016-01-20 12:05:39 C 12 33 34.06 +04 42 54.6 q 703
2016-01-20 12:15:46 C 12 33 34.67 +04 42 46.9 q 703
2016-01-22 01:36:56 C 12 35 44.06 +04 14 56.2 q 160
2016-01-22 01:39:42 C 12 35 44.24 +04 14 53.4 q 160
2016-01-22 01:42:29 C 12 35 44.41 +04 14 51.1 q 160
2016-01-23 09:04:28 C 12 37 32.55 +03 50 47.1 u H21
2016-01-23 09:09:57 C 12 37 32.86 +03 50 43.0 u H21
2016-01-23 09:14:03 C 12 37 33.08 +03 50 39.8 u H21
2016-01-23 09:16:59 C 12 37 33.25 +03 50 37.4 u H21
2016-01-23 09:19:56 C 12 37 33.41 +03 50 35.2 u H21
2016-01-23 09:23:45 C 12 37 33.61 +03 50 32.1 u H21
2016-01-24 08:19:18 C 12 38 52.75 +03 32 30.2 u H21