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
2009-01-29 07:30:51 C 09 27 50.86 +35 35 45.7 r 703
2009-01-29 07:40:04 C 09 27 50.14 +35 35 47.3 r 703
2009-01-31 11:25:39 C 09 23 47.53 +35 45 40.7 r D29
2009-01-31 11:48:46 C 09 23 45.77 +35 45 44.8 r D29
2009-01-31 12:13:17 C 09 23 43.64 +35 45 49.2 r D29
2009-01-31 12:36:17 C 09 23 41.86 +35 45 54.4 r D29
2009-02-02 06:37:08 C 09 20 16.90 +35 52 56.3 c 704
2009-02-02 06:54:51 C 09 20 15.41 +35 52 59.0 c 704
2009-02-02 07:12:30 C 09 20 14.01 +35 53 01.8 c 704
2009-02-02 07:30:10 C 09 20 12.42 +35 53 04.6 c 704
2009-02-02 07:47:53 C 09 20 10.95 +35 53 07.7 c 704
2009-02-04 04:13:18 C 09 16 28.74 +35 59 20.4 r 703
2009-02-04 04:26:39 C 09 16 27.55 +35 59 22.2 r 703
2009-02-04 04:39:59 C 09 16 26.40 +35 59 24.3 r 703
2009-02-04 04:53:25 C 09 16 25.24 +35 59 26.1 r 703
2009-02-15 06:15:06 C 08 52 56.55 +36 08 06.3 c 704
2009-02-15 06:30:57 C 08 52 55.06 +36 08 04.8 c 704
2009-02-15 06:47:06 C 08 52 53.57 +36 08 03.5 c 704
2009-02-15 07:03:19 C 08 52 52.13 +36 08 02.7 c 704
2009-02-15 07:19:50 C 08 52 50.60 +36 08 00.9 c 704
2009-02-18 23:04:35 C 08 45 01.46 +35 58 45.9 r 130
2009-02-18 23:05:42 C 08 45 01.35 +35 58 45.7 r 130
2009-02-18 23:06:50 C 08 45 01.26 +35 58 45.4 r 130
2009-02-18 23:07:22 C 08 45 01.20 +35 58 45.2 r 130
2009-02-22 03:36:49 C 08 38 23.38 +35 45 40.2 r 703
2009-02-22 03:44:30 C 08 38 22.66 +35 45 38.8 r 703
2009-02-22 03:52:19 C 08 38 22.02 +35 45 37.1 r 703
2009-02-22 04:00:14 C 08 38 21.30 +35 45 35.6 r 703
2009-02-27 21:56:14 C 08 27 07.16 +35 10 24.1 c A24
2009-02-27 21:57:41 C 08 27 07.07 +35 10 23.7 c A24
2009-02-27 22:17:26 C 08 27 05.50 +35 10 17.6 c A24
2009-02-27 22:38:39 C 08 27 03.84 +35 10 11.0 c A24
2009-02-27 22:58:25 C 08 27 02.28 +35 10 04.7 c A24
2009-02-27 22:59:51 C 08 27 02.15 +35 10 04.3 c A24
2009-02-28 21:27:39 C 08 25 19.66 +35 03 00.8 c A41
2009-02-28 21:52:47 C 08 25 17.73 +35 02 52.0 c A41
2009-02-28 22:18:10 C 08 25 15.77 +35 02 44.4 c A41
2009-03-03 03:57:30 C 08 21 20.55 +34 44 29.0 r 703
2009-03-03 04:02:08 C 08 21 20.19 +34 44 27.4 r 703
2009-03-03 04:06:49 C 08 21 19.87 +34 44 25.6 r 703
2009-03-03 04:11:30 C 08 21 19.51 +34 44 24.1 r 703
2009-03-11 19:21:19 C 08 08 31.40 +33 17 51.3 r A13
2009-03-11 19:54:07 C 08 08 29.63 +33 17 35.7 r A13
2009-03-16 20:21:54 C 08 02 56.55 +32 18 02.5 c A24
2009-03-16 20:23:21 C 08 02 56.51 +32 18 02.0 c A24
2009-03-16 21:00:53 C 08 02 54.93 +32 17 42.2 c A24
2009-03-16 21:39:53 C 08 02 53.31 +32 17 21.8 c A24
2009-03-16 22:17:26 C 08 02 51.74 +32 17 02.2 c A24
2009-03-16 22:18:52 C 08 02 51.68 +32 17 01.4 c A24
2009-03-19 02:40:12 C 08 00 55.08 +31 49 30.8 r 703