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
2009-08-16 09:21:32 C 12 51 31.59 -29 23 31.4 r 432
2009-09-09 08:38:55 C 15 50 57.19 -38 29 31.1 r 432
2009-09-09 08:54:18 C 15 51 02.69 -38 29 30.6 r 432
2009-09-09 09:09:41 C 15 51 08.17 -38 29 30.6 r 432
2009-09-10 08:45:11 C 15 59 37.89 -38 28 32.1 r 432
2009-09-10 08:59:40 C 15 59 43.05 -38 28 30.4 r 432
2009-10-14 17:26:51 C 19 43 06.14 -24 29 15.5 17.7 o C20
2009-10-14 17:29:58 C 19 43 06.73 -24 29 11.2 17.9 o C20
2009-10-22 11:28:17 C 20 12 42.20 -20 46 38.5 r E12
2009-10-22 11:54:24 C 20 12 45.98 -20 46 08.5 r E12
2009-11-17 01:39:36 C 21 25 20.24 -10 53 41.2 c 704
2009-11-17 01:57:34 C 21 25 22.03 -10 53 26.6 c 704
2009-11-17 02:15:34 C 21 25 23.76 -10 53 11.6 c 704
2009-11-17 02:33:33 C 21 25 25.54 -10 52 57.1 c 704
2009-11-18 18:34:24 C 21 29 19.91 -10 20 38.3 19.2 o C20
2009-11-18 18:36:30 C 21 29 20.19 -10 20 36.7 19.3 o C20
2009-11-20 02:50:30 C 21 32 26.23 -09 55 00.5 r G96
2009-11-20 02:59:02 C 21 32 27.02 -09 54 53.8 r G96
2009-11-20 03:08:37 C 21 32 27.92 -09 54 46.2 r G96
2009-11-20 03:17:33 C 21 32 28.75 -09 54 39.2 r G96
2009-11-24 17:37:58 C 21 42 47.35 -08 29 46.9 18.4 o C20
2009-12-01 16:47:37 C 21 57 38.85 -06 28 26.2 19.3 o C20
2012-02-27 06:06:42 C 06 02 34.494 +42 28 27.95 L F51
2012-02-27 06:26:04 C 06 02 34.299 +42 28 21.62 L F51
2013-10-02 06:54:27 C 02 55 42.59 +37 59 26.6 q 703
2013-10-02 07:04:54 C 02 55 42.09 +37 59 28.1 q 703
2013-10-02 07:15:23 C 02 55 41.51 +37 59 29.5 q 703
2013-10-02 07:25:50 C 02 55 41.16 +37 59 31.8 q 703
2013-10-12 23:21:04 C 02 42 18.42 +38 21 53.4 q D00
2013-10-12 23:37:11 C 02 42 17.50 +38 21 54.5 q D00
2013-10-12 23:53:07 C 02 42 16.41 +38 21 53.5 q D00
2013-10-13 00:09:16 C 02 42 15.45 +38 21 53.8 q D00
2013-10-16 05:59:29 C 02 37 42.95 +38 22 31.3 o 926
2013-10-16 06:20:26 C 02 37 41.74 +38 22 32.2 o 926
2013-10-16 06:50:01 C 02 37 39.88 +38 22 31.7 o 926
2013-10-16 07:43:50 C 02 37 36.56 +38 22 30.5 q G96
2013-10-16 07:52:54 C 02 37 36.06 +38 22 30.1 q G96
2013-10-16 08:01:55 C 02 37 35.50 +38 22 30.1 q G96
2013-10-16 08:10:57 C 02 37 34.96 +38 22 29.9 q G96
2013-10-28 07:48:11 C 02 19 53.13 +37 58 16.7 q 703
2013-10-28 07:48:54 C 02 19 52.98 +37 58 14.9 q 703
2013-10-28 07:57:02 C 02 19 52.44 +37 58 14.6 q 703
2013-10-28 07:57:46 C 02 19 52.40 +37 58 13.7 q 703
2013-10-28 08:05:55 C 02 19 51.96 +37 58 12.9 q 703
2013-10-28 08:06:39 C 02 19 51.80 +37 58 12.4 q 703
2013-10-28 08:14:49 C 02 19 51.39 +37 58 11.7 q 703
2013-10-28 08:15:33 C 02 19 51.43 +37 58 10.3 q 703
2014-12-13 10:51:23 C 05 37 27.470 +48 16 46.82 L F51
2014-12-13 11:10:34 C 05 37 26.241 +48 16 46.90 L F51
2014-12-13 11:29:44 C 05 37 24.995 +48 16 46.56 L F51