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
2016-10-21 05:06:31 C 23 37 07.90 +14 39 25.2 V G45
2016-10-21 07:29:20 C 23 37 02.71 +14 38 57.8 V G45
2016-10-21 08:28:45 C 23 37 00.56 +14 38 46.1 V G45
2016-10-21 09:55:34 C 23 36 57.41 +14 38 28.3 V G45
2016-10-24 08:39:48 C 23 34 43.27 +14 25 23.7 L T05
2016-10-24 08:44:19 C 23 34 43.12 +14 25 20.0 L T05
2016-10-24 09:07:56 C 23 34 42.40 +14 25 17.4 L T05
2016-10-24 09:19:10 C 23 34 42.05 +14 25 15.7 L T05
2016-10-27 03:18:24 C 23 32 59.01 +14 13 41.8 q G96
2016-10-27 03:24:34 C 23 32 58.87 +14 13 40.8 q G96
2016-10-27 03:30:48 C 23 32 58.72 +14 13 39.9 q G96
2016-10-27 03:36:58 C 23 32 58.56 +14 13 38.8 q G96
2016-10-30 17:09:22 C 23 31 15.08 +13 59 55.9 t 240
2016-10-30 17:12:45 C 23 31 15.03 +13 59 55.3 t 240
2016-10-30 17:20:21 C 23 31 14.89 +13 59 54.1 t 240
2016-10-31 03:57:55 C 23 31 04.16 +13 58 20.5 q G96
2016-10-31 04:06:13 C 23 31 04.02 +13 58 19.2 q G96
2016-10-31 04:14:28 C 23 31 03.87 +13 58 18.0 q G96
2016-10-31 04:22:42 C 23 31 03.75 +13 58 16.8 q G96
2016-11-05 03:29:10 C 23 29 38.62 +13 42 15.4 U H21
2016-11-05 03:43:20 C 23 29 38.50 +13 42 13.6 U H21
2016-11-05 03:55:59 C 23 29 38.38 +13 42 12.2 U H21
2016-11-05 11:56:06 C 23 29 34.95 +13 41 16.3 q D29
2016-11-05 12:20:17 C 23 29 34.79 +13 41 13.8 q D29
2017-01-08 02:17:46 C 00 08 08.36 +15 16 36.9 o 691
2017-01-08 02:28:45 C 00 08 08.86 +15 16 39.2 o 691
2017-01-08 02:39:44 C 00 08 09.34 +15 16 41.7 o 691
2017-01-30 02:03:42 C 00 33 31.26 +17 21 10.5 q G96
2017-01-30 02:09:51 C 00 33 31.64 +17 21 12.9 q G96
2017-01-30 02:16:03 C 00 33 31.99 +17 21 14.6 q G96
2017-01-30 02:22:13 C 00 33 32.32 +17 21 15.6 q G96
2018-10-28 09:49:03 C 08 42 22.37 +36 27 02.6 V G96
2018-10-28 10:04:07 C 08 42 22.82 +36 27 04.4 V G96
2018-10-28 10:11:41 C 08 42 23.04 +36 27 05.2 V G96
2018-11-04 12:26:08 C 08 47 10.00 +36 43 26.4 U I41
2018-11-04 13:09:55 C 08 47 11.02 +36 43 30.7 U I41
2018-11-06 12:26:14 C 08 48 20.14 +36 49 01.8 U I41
2018-11-06 12:56:21 C 08 48 20.88 +36 49 05.3 U I41
2018-11-18 10:56:21 C 08 53 25.40 +37 32 02.2 U I41
2018-11-18 12:13:53 C 08 53 26.24 +37 32 16.3 U I41
2018-11-19 09:09:30 C 08 53 40.26 +37 36 04.6 U I41
2018-11-19 09:27:23 C 08 53 40.43 +37 36 08.0 U I41
2018-11-19 14:34:37 C 08 53 43.502 +37 37 06.13 U F52
2018-11-19 14:51:22 C 08 53 43.658 +37 37 09.20 U F52
2018-11-19 15:08:11 C 08 53 43.809 +37 37 12.37 U F52
2018-11-19 15:25:01 C 08 53 43.955 +37 37 15.45 U F52
2018-11-26 10:30:05 C 08 54 44.88 +38 10 20.2 U I41
2018-11-26 11:02:23 C 08 54 44.89 +38 10 27.0 U I41
2018-11-26 12:36:29 C 08 54 44.98 +38 10 48.0 U I41
2018-12-13 11:15:16 C 08 50 35.62 +39 55 18.9 U I41