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
2009-03-19 02:48:02 C 08 00 54.82 +31 49 27.2 r 703
2009-03-19 02:55:46 C 08 00 54.50 +31 49 23.0 r 703
2009-03-19 03:03:42 C 08 00 54.21 +31 49 18.9 r 703
2009-03-21 20:01:22 C 07 58 51.99 +31 13 59.0 c A24
2009-03-21 20:02:49 C 07 58 51.93 +31 13 58.2 c A24
2009-03-21 20:39:38 C 07 58 50.84 +31 13 37.9 c A24
2009-03-21 21:17:53 C 07 58 49.71 +31 13 16.7 c A24
2009-03-21 21:54:41 C 07 58 48.59 +31 12 56.2 c A24
2009-03-21 21:56:07 C 07 58 48.57 +31 12 55.3 c A24
2009-03-24 18:31:36 C 07 57 07.99 +30 34 26.6 r 106
2009-03-24 18:44:21 C 07 57 07.71 +30 34 19.0 r 106
2009-03-24 18:57:06 C 07 57 07.43 +30 34 12.4 r 106
2009-03-24 19:09:52 C 07 57 07.14 +30 34 05.8 r 106
2009-03-28 03:19:33 C 07 55 44.40 +29 47 50.8 r 703
2009-03-28 03:27:22 C 07 55 44.25 +29 47 46.3 r 703
2009-03-28 03:35:10 C 07 55 44.18 +29 47 41.8 r 703
2009-03-28 03:43:06 C 07 55 44.04 +29 47 36.7 r 703
2009-04-18 03:02:57 C 07 59 50.60 +24 35 48.5 r 703
2009-04-18 03:10:35 C 07 59 50.82 +24 35 43.1 r 703
2009-04-18 03:18:19 C 07 59 51.00 +24 35 37.9 r 703
2009-04-18 03:26:05 C 07 59 51.21 +24 35 33.1 r 703
2009-04-19 03:18:39 C 08 00 31.49 +24 20 00.1 c 704
2009-04-19 03:34:26 C 08 00 31.91 +24 19 49.8 c 704
2009-04-19 03:49:44 C 08 00 32.35 +24 19 39.6 c 704
2009-04-19 04:05:40 C 08 00 32.78 +24 19 28.9 c 704
2009-04-19 04:21:01 C 08 00 33.22 +24 19 20.5 c 704
2009-04-22 03:21:46 C 08 02 46.64 +23 32 34.6 c 704
2009-04-22 03:39:16 C 08 02 47.18 +23 32 23.0 c 704
2009-04-22 03:57:10 C 08 02 47.74 +23 32 10.9 c 704
2009-04-22 04:15:59 C 08 02 48.38 +23 31 58.9 c 704
2009-04-22 04:30:39 C 08 02 48.86 +23 31 48.9 c 704
2009-05-17 03:38:33 C 08 32 43.44 +16 21 08.2 r 703
2009-05-17 03:43:31 C 08 32 43.72 +16 21 04.9 r 703
2009-05-17 03:48:23 C 08 32 44.01 +16 21 00.1 r 703
2009-05-17 03:53:10 C 08 32 44.34 +16 20 56.4 r 703
2009-05-26 03:33:26 C 08 47 29.14 +13 23 19.6 r 703
2009-05-26 03:39:46 C 08 47 29.61 +13 23 14.3 r 703
2009-05-26 03:46:09 C 08 47 30.08 +13 23 08.4 r 703
2009-05-26 03:52:31 C 08 47 30.58 +13 23 02.6 r 703
2009-06-29 08:40:29 C 09 59 10.53 -00 47 20.9 r E12
2009-06-29 08:47:26 C 09 59 11.29 -00 47 30.0 r E12
2009-06-29 08:54:23 C 09 59 11.97 -00 47 37.7 r E12
2009-06-29 09:01:20 C 09 59 12.66 -00 47 46.9 r E12
2009-07-01 08:54:18 C 10 04 10.81 -01 47 39.7 r E12
2009-07-11 08:50:18 C 10 30 43.70 -07 05 56.5 r E12
2009-08-15 08:24:26 C 12 45 40.27 -28 44 53.7 r 432
2009-08-15 08:44:55 C 12 45 44.95 -28 45 24.7 r 432
2009-08-15 09:05:08 C 12 45 49.59 -28 45 55.5 r 432
2009-08-16 08:34:21 C 12 51 20.43 -29 22 20.0 r 432
2009-08-16 08:58:36 C 12 51 26.10 -29 22 57.0 r 432