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
2006-10-02 07:35:57 C 01 47 16.05 +31 22 15.8 c 704
2006-10-02 07:54:57 C 01 47 14.70 +31 22 16.9 c 704
2006-10-02 08:13:57 C 01 47 13.42 +31 22 15.3 c 704
2006-10-02 09:01:16 C 01 47 10.03 +31 22 15.8 r 703
2006-10-02 09:15:36 C 01 47 09.13 +31 22 15.2 r 703
2006-10-02 09:29:55 C 01 47 08.16 +31 22 14.6 r 703
2006-10-02 09:44:15 C 01 47 07.22 +31 22 14.7 r 703
2006-10-15 20:30:39 C 01 24 54.80 +30 47 27.3 r 240
2006-10-15 20:35:01 C 01 24 54.51 +30 47 26.5 r 240
2006-10-15 20:39:25 C 01 24 54.20 +30 47 25.8 r 240
2006-10-15 20:48:11 C 01 24 53.61 +30 47 24.6 r 240
2006-10-15 20:52:34 C 01 24 53.32 +30 47 23.5 r 240
2006-10-19 06:14:53 C 01 19 26.61 +30 29 51.1 r 703
2006-10-19 06:27:13 C 01 19 25.78 +30 29 48.4 r 703
2006-10-19 06:39:36 C 01 19 24.92 +30 29 45.4 r 703
2006-10-19 06:52:01 C 01 19 24.13 +30 29 42.6 r 703
2006-10-27 05:31:57 C 01 07 32.62 +29 38 06.3 r 703
2006-10-27 05:41:17 C 01 07 32.08 +29 38 04.1 r 703
2006-10-27 05:50:39 C 01 07 31.33 +29 38 02.9 r 703
2006-10-27 06:00:00 C 01 07 30.93 +29 38 00.1 r 703
2006-11-15 03:51:16 C 00 47 05.46 +27 08 47.1 r 703
2006-11-15 04:00:39 C 00 47 05.13 +27 08 43.6 r 703
2006-11-15 04:10:01 C 00 47 04.84 +27 08 40.0 r 703
2006-11-15 04:19:26 C 00 47 04.38 +27 08 37.5 r 703
2006-11-17 21:35:28 C 00 45 11.07 +26 47 26.6 r 170
2006-11-17 21:38:50 C 00 45 10.92 +26 47 25.8 r 170
2006-11-17 21:41:04 C 00 45 10.87 +26 47 25.1 r 170
2006-11-22 04:06:59 C 00 42 45.18 +26 15 32.9 r 703
2006-11-22 04:20:52 C 00 42 44.92 +26 15 28.6 r 703
2006-11-22 04:34:41 C 00 42 44.56 +26 15 24.6 r 703
2006-11-22 04:48:31 C 00 42 44.31 +26 15 19.5 r 703
2008-11-21 12:09:06 C 09 52 08.22 +30 20 18.2 r 703
2008-11-21 12:16:50 C 09 52 08.40 +30 20 18.1 r 703
2008-11-21 12:24:40 C 09 52 08.72 +30 20 16.0 r 703
2008-11-21 12:32:30 C 09 52 08.94 +30 20 17.4 r 703
2009-01-03 09:07:46 C 09 59 42.18 +32 47 45.5 r 703
2009-01-03 09:19:08 C 09 59 41.89 +32 47 47.9 r 703
2009-01-03 09:30:36 C 09 59 41.56 +32 47 51.5 r 703
2009-01-03 09:42:02 C 09 59 41.24 +32 47 54.7 r 703
2009-01-15 07:52:05 C 09 49 08.14 +34 09 04.4 c 704
2009-01-15 08:10:03 C 09 49 07.25 +34 09 09.4 c 704
2009-01-15 08:28:01 C 09 49 06.37 +34 09 15.1 c 704
2009-01-15 08:46:01 C 09 49 05.42 +34 09 20.6 c 704
2009-01-15 09:04:01 C 09 49 04.40 +34 09 24.7 c 704
2009-01-23 22:51:03 C 09 37 05.78 +35 06 00.5 g J17
2009-01-23 22:59:37 C 09 37 05.26 +35 06 02.5 g J17
2009-01-23 23:06:39 C 09 37 04.79 +35 06 04.4 g J17
2009-01-23 23:13:42 C 09 37 04.33 +35 06 06.2 g J17
2009-01-29 07:12:37 C 09 27 52.34 +35 35 42.0 r 703
2009-01-29 07:21:49 C 09 27 51.58 +35 35 44.2 r 703