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
2023-12-26 07:14:34 C 00 48 30.498 +24 31 43.64 X F52
2023-12-30 07:26:45 C 00 50 15.876 +24 23 02.99 X F52
2023-12-30 07:37:07 C 00 50 16.080 +24 23 02.12 X F52
2023-12-30 07:47:37 C 00 50 16.259 +24 23 01.41 X F52
2023-12-30 07:58:12 C 00 50 16.483 +24 23 00.32 X F52
2024-10-25 08:06:01 C 05 43 37.340 +45 44 51.58 V G96
2024-10-25 08:13:56 C 05 43 37.186 +45 44 53.70 V G96
2024-10-25 08:21:51 C 05 43 37.009 +45 44 55.68 V G96
2024-10-25 08:29:47 C 05 43 36.772 +45 44 57.16 V G96
2025-10-22 20:43:13 C 09 27 12.371 +30 02 23.05 W O18
2025-10-22 21:17:41 C 09 27 14.056 +30 02 19.16 W O18
2025-10-29 20:16:06 C 09 35 16.545 +29 44 06.84 W O18
2025-10-29 21:28:41 C 09 35 19.898 +29 43 59.86 W O18
2025-11-02 10:38:18 C 09 39 14.195 +29 35 53.27 V G96
2025-11-02 10:48:00 C 09 39 14.627 +29 35 52.33 V G96
2025-11-02 10:57:42 C 09 39 15.052 +29 35 51.58 V G96
2025-11-02 11:07:24 C 09 39 15.491 +29 35 50.82 V G96
2025-11-03 21:07:05 C 09 40 46.614 +29 32 50.71 W O18
2025-11-03 22:38:03 C 09 40 50.578 +29 32 43.31 W O18
2025-11-07 20:18:34 C 09 44 54.195 +29 25 15.61 W O18
2025-11-07 21:45:49 C 09 44 57.839 +29 25 09.50 W O18
2025-11-29 20:10:43 C 10 03 32.411 +29 10 31.08 W O18
2025-11-29 21:06:02 C 10 03 33.861 +29 10 32.65 W O18
2025-12-02 13:47:49 C 10 05 13.859 +29 12 39.31 X F52
2025-12-02 13:57:10 C 10 05 14.075 +29 12 39.63 X F52
2025-12-02 14:06:31 C 10 05 14.294 +29 12 40.12 X F52
2025-12-03 13:20:48 C 10 05 47.875 +29 13 39.06 X F52
2025-12-03 13:27:30 C 10 05 48.028 +29 13 39.43 X F52
2025-12-03 13:34:08 C 10 05 48.180 +29 13 39.74 X F52
2025-12-03 13:40:47 C 10 05 48.331 +29 13 40.11 X F52
2025-12-03 19:19:00 C 10 05 56.315 +29 13 54.00 W O18
2025-12-03 20:11:30 C 10 05 57.492 +29 13 56.74 W O18
2025-12-04 13:49:45 C 10 06 21.773 +29 14 50.21 X F52
2025-12-04 13:57:15 C 10 06 21.942 +29 14 50.52 X F52
2025-12-04 14:04:48 C 10 06 22.089 +29 14 51.01 X F52
2025-12-04 14:12:20 C 10 06 22.258 +29 14 51.35 X F52
2025-12-05 19:47:13 C 10 07 01.332 +29 16 26.90 W O18
2025-12-05 20:37:38 C 10 07 02.365 +29 16 30.09 W O18
2025-12-06 18:46:20 C 10 07 30.190 +29 17 50.74 W O18
2025-12-06 19:27:12 C 10 07 30.975 +29 17 54.04 W O18
2025-12-12 15:04:41 C 10 09 54.782 +29 29 24.22 V T05
2025-12-12 15:09:15 C 10 09 54.929 +29 29 24.04 V T05
2025-12-12 15:18:56 C 10 09 55.006 +29 29 25.40 V T05
2025-12-12 15:31:03 C 10 09 55.186 +29 29 25.80 V T05
2025-12-17 13:11:29 C 10 11 11.633 +29 43 08.47 V T05
2025-12-17 13:14:05 C 10 11 11.618 +29 43 08.80 V T05
2025-12-17 13:22:38 C 10 11 11.678 +29 43 10.13 V T05
2025-12-17 13:30:27 C 10 11 11.695 +29 43 10.70 V T05
2025-12-22 13:17:06 C 10 11 41.489 +30 00 59.87 V T05
2025-12-22 13:19:42 C 10 11 41.520 +30 00 59.87 V T05