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
2016-03-14 13:17:00 C 14 09 31.36 -39 02 58.7 L T05
2016-03-14 13:58:01 C 14 09 37.99 -39 06 25.6 L T05
2016-03-14 14:31:53 C 14 09 43.30 -39 09 18.4 L T05
2016-03-16 01:19:03 C 14 16 05.73 -42 10 28.3 q Y00
2016-03-16 01:35:04 C 14 16 08.76 -42 11 55.3 q Y00
2016-03-16 01:54:57 C 14 16 12.51 -42 13 43.3 q Y00
2016-03-16 05:06:39 C 14 16 48.15 -42 30 59.9 r Y00
2016-03-16 05:08:04 C 14 16 48.39 -42 31 08.8 r Y00
2016-04-02 23:25:23 S 19 50 18.809 -74 42 43.20 L C51
2016-04-03 00:59:38 S 19 52 47.654 -74 41 30.55 L C51
2016-04-03 05:42:45 S 20 00 10.726 -74 37 15.67 L C51
2016-04-03 07:17:11 S 20 02 36.989 -74 35 38.90 L C51
2016-04-03 10:25:52 S 20 07 26.957 -74 32 08.70 L C51
2016-04-23 07:42:19 C 00 09 30.40 -49 06 15.1 r Y00
2016-04-23 07:56:32 C 00 09 32.34 -49 05 36.4 r Y00
2016-04-23 08:10:24 C 00 09 34.10 -49 04 59.1 r Y00
2016-05-04 03:27:26 C 00 33 44.09 -38 23 43.5 o K95
2016-05-04 03:37:40 C 00 33 44.77 -38 23 21.6 o K95
2016-05-04 03:49:07 C 00 33 45.60 -38 22 56.7 o K95
2016-07-17 18:49:43 S 01 48 56.88 +03 30 18.4 L C51
2016-07-17 21:58:24 S 01 48 58.27 +03 33 08.7 L C51
2016-07-18 01:06:54 S 01 48 59.61 +03 35 59.0 L C51
2016-07-18 04:15:35 S 01 49 00.94 +03 38 49.0 L C51
2016-07-18 07:24:16 S 01 49 02.21 +03 41 38.6 L C51
2016-07-18 10:32:57 S 01 49 03.43 +03 44 28.5 L C51
2016-07-18 12:07:24 S 01 49 04.04 +03 45 52.6 L C51
2016-07-18 13:41:38 S 01 49 04.63 +03 47 17.4 L C51
2016-07-18 15:15:53 S 01 49 05.23 +03 48 40.6 L C51
2016-07-18 15:16:05 S 01 49 05.21 +03 48 41.9 L C51
2016-07-18 18:24:34 S 01 49 06.37 +03 51 30.1 L C51
2016-07-18 21:33:15 S 01 49 07.42 +03 54 19.1 L C51
2016-07-19 00:41:56 S 01 49 08.51 +03 57 07.3 L C51
2016-07-20 01:33:57 C 01 49 16.12 +04 19 04.8 q 160
2016-07-20 01:36:28 C 01 49 16.11 +04 19 06.8 q 160
2016-07-20 01:39:00 C 01 49 16.10 +04 19 09.3 q 160
2016-08-12 03:12:15 C 01 39 04.90 +11 24 36.1 V 160
2016-08-12 03:14:18 C 01 39 04.81 +11 24 37.3 V 160
2016-08-12 03:16:15 C 01 39 04.74 +11 24 38.5 V 160
2016-08-12 12:37:21 C 01 38 40.602 +11 30 43.42 L F51
2016-08-12 12:53:13 C 01 38 39.862 +11 30 53.64 L F51
2016-08-12 13:09:10 C 01 38 39.108 +11 31 03.98 L F51
2016-08-13 00:52:54 C 01 38 07.78 +11 38 28.2 q 160
2016-08-13 00:54:51 C 01 38 07.70 +11 38 29.3 q 160
2016-08-13 00:56:48 C 01 38 07.59 +11 38 30.1 q 160
2016-08-14 00:45:08 C 01 37 01.44 +11 53 27.5 V 160
2016-08-14 00:47:00 C 01 37 01.35 +11 53 28.5 V 160
2016-08-14 00:48:53 C 01 37 01.27 +11 53 29.7 V 160
2016-08-19 13:02:21 C 01 29 55.28 +13 10 58.0 L T05
2016-08-19 13:27:59 C 01 29 53.64 +13 11 11.9 L T05
2016-08-19 13:46:45 C 01 29 52.46 +13 11 22.3 L T05