1943 Anteros (1973 EC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2559124685 ± 4.56e-09
Semi-major axis (a)1.4305268274 AU ± 2.21e-10
Inclination (i)8.70770606° ± 4.43e-07
Long. of Asc. Node (Ω)246.29352243° ± 3.59e-06
Arg. of Perihelion (ω)338.43657351° ± 3.83e-06
Mean Anomaly (M)260.37411854° ± 1.39e-06
Mean Motion (n)0.5760607241°/day ± 1.34e-10
Perihelion dist (q)1.06443718 AU ± 6.53e-09
Aphelion dist (Q)1.79661648 AU ± 6.53e-09
Orbital Period1.71097636 yr ± 3.97e-10
Physical Parameters
H (abs. magnitude)15.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.170″
Uncertainty0
Orbit TypeAmor
MOID0.061739 AU
Observations Used5660
Gaia Obs Used192
Oppositions20
Arc Total1968-2026
First Observation Used1973-03-10
Last Observation Used2026-04-07
Observations (6464)
Date Type RA Dec Mag Band Observatory
2014-11-21 23:54:26 C 21 13 10.93 -06 39 00.4 u H21
2014-11-21 23:57:00 C 21 13 11.18 -06 38 59.7 u H21
2014-11-21 23:59:34 C 21 13 11.43 -06 38 59.0 u H21
2014-11-22 00:02:09 C 21 13 11.68 -06 38 58.1 u H21
2014-11-22 00:04:43 C 21 13 11.93 -06 38 57.5 u H21
2014-12-01 01:54:23 C 21 34 23.57 -05 40 01.3 q 703
2014-12-01 02:05:57 C 21 34 24.66 -05 39 59.9 q 703
2014-12-01 02:11:44 C 21 34 25.12 -05 39 57.2 q 703
2014-12-23 01:56:13 C 22 24 26.11 -02 41 52.1 q 703
2014-12-23 02:01:59 C 22 24 26.72 -02 41 50.3 q 703
2014-12-23 02:07:47 C 22 24 27.18 -02 41 48.0 q 703
2014-12-23 02:13:33 C 22 24 27.77 -02 41 46.9 q 703
2016-03-10 02:58:37 C 20 10 30.79 -18 42 55.0 o K95
2016-03-10 03:00:12 C 20 10 31.06 -18 42 55.2 o K95
2016-03-10 03:14:00 C 20 10 33.08 -18 42 43.7 o K95
2016-03-10 03:21:44 C 20 10 34.30 -18 42 37.5 o K95
2016-03-10 03:23:19 C 20 10 34.57 -18 42 36.6 o K95
2016-06-08 14:06:59 C 00 18 15.576 +11 23 57.98 L F51
2016-06-08 14:12:35 C 00 18 16.045 +11 24 02.00 L F51
2016-06-08 14:23:44 C 00 18 16.987 +11 24 10.06 L F51
2016-07-05 09:03:55 C 01 08 24.16 +18 19 21.2 R G45
2016-07-05 09:17:39 C 01 08 25.08 +18 19 29.3 R G45
2016-07-05 09:24:47 C 01 08 25.57 +18 19 33.3 R G45
2016-07-05 09:29:00 C 01 08 25.88 +18 19 35.9 R G45
2016-07-10 09:54:58 C 01 16 36.79 +19 27 06.2 q G96
2016-07-10 10:05:12 C 01 16 37.46 +19 27 11.8 q G96
2016-07-10 10:15:33 C 01 16 38.13 +19 27 17.6 q G96
2016-07-10 10:25:43 C 01 16 38.79 +19 27 23.2 q G96
2016-07-20 03:21:04 S 01 31 07.26 +21 27 57.7 L C51
2016-07-20 06:29:45 S 01 31 18.15 +21 29 29.4 L C51
2016-07-20 15:55:48 S 01 31 50.94 +21 34 04.7 L C51
2016-07-20 19:04:18 S 01 32 01.66 +21 35 37.0 L C51
2016-07-20 19:04:29 S 01 32 01.71 +21 35 36.7 L C51
2016-07-20 20:38:44 S 01 32 07.09 +21 36 20.7 L C51
2016-07-20 22:13:00 S 01 32 12.53 +21 37 09.2 L C51
2016-07-20 23:47:25 S 01 32 18.03 +21 37 53.9 L C51
2016-07-21 01:21:41 S 01 32 23.31 +21 38 40.0 L C51
2016-07-21 04:30:22 S 01 32 34.15 +21 40 11.1 L C51
2016-07-21 06:04:48 S 01 32 39.51 +21 40 56.3 L C51
2016-07-30 13:50:00 C 01 44 23.64 +23 22 16.5 L T05
2016-07-30 14:07:08 C 01 44 24.40 +23 22 24.7 L T05
2016-07-30 14:35:19 C 01 44 25.70 +23 22 37.4 L T05
2016-07-30 14:54:35 C 01 44 26.54 +23 22 45.4 L T05
2016-08-11 19:37:56 C 01 56 03.88 +25 13 33.5 q D29
2016-08-11 19:40:29 C 01 56 03.94 +25 13 34.4 q D29
2016-08-11 19:41:45 C 01 56 03.99 +25 13 34.9 q D29
2016-08-11 19:54:29 C 01 56 04.34 +25 13 39.3 q D29
2016-08-11 19:57:02 C 01 56 04.43 +25 13 40.1 q D29
2016-08-11 19:58:18 C 01 56 04.46 +25 13 40.6 q D29
2016-08-11 20:11:02 C 01 56 04.82 +25 13 44.6 q D29