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
2011-11-23 04:53:49 C 02 53 00.02 +20 45 12.4 r 703
2011-11-23 05:06:06 C 02 52 59.12 +20 45 05.6 r 703
2011-11-23 05:18:14 C 02 52 58.33 +20 44 57.4 r 703
2011-11-23 05:30:21 C 02 52 57.50 +20 44 49.9 r 703
2011-11-28 00:00:19 C 02 45 46.52 +19 34 51.2 u C73
2011-11-28 00:01:30 C 02 45 46.40 +19 34 50.7 u C73
2011-11-28 00:02:43 C 02 45 46.35 +19 34 50.4 u C73
2011-11-28 00:03:56 C 02 45 46.25 +19 34 49.3 u C73
2011-11-28 00:06:21 C 02 45 46.15 +19 34 47.9 u C73
2011-11-28 00:07:32 C 02 45 46.04 +19 34 47.2 u C73
2011-11-28 00:08:45 C 02 45 45.99 +19 34 46.5 u C73
2011-11-28 00:11:12 C 02 45 45.84 +19 34 45.0 u C73
2011-11-28 00:13:34 C 02 45 45.68 +19 34 43.7 u C73
2011-11-28 00:14:49 C 02 45 45.60 +19 34 42.7 u C73
2011-11-28 00:17:19 C 02 45 45.43 +19 34 41.2 u C73
2011-12-01 18:16:02 C 02 40 47.25 +18 41 40.3 r 106
2011-12-01 18:38:20 C 02 40 46.05 +18 41 27.9 r 106
2011-12-01 19:00:41 C 02 40 44.87 +18 41 15.2 r 106
2011-12-01 19:23:00 C 02 40 43.65 +18 41 02.4 r 106
2011-12-05 20:30:37 C 02 36 05.62 +17 46 58.7 d B66
2011-12-05 21:39:58 C 02 36 02.44 +17 46 21.5 d B66
2011-12-12 18:44:31 C 02 30 05.36 +16 24 32.0 u A13
2011-12-12 19:11:19 C 02 30 04.53 +16 24 19.4 u A13
2011-12-12 19:38:02 C 02 30 03.70 +16 24 07.3 u A13
2011-12-17 02:47:06 C 02 27 35.31 +15 40 31.8 r 703
2011-12-17 02:54:20 C 02 27 35.13 +15 40 29.4 r 703
2011-12-17 03:01:37 C 02 27 34.99 +15 40 26.3 r 703
2011-12-17 03:09:01 C 02 27 34.81 +15 40 23.6 r 703
2011-12-17 19:42:04 C 02 27 16.21 +15 33 56.4 d B66
2011-12-17 20:23:22 C 02 27 15.37 +15 33 40.5 d B66
2011-12-17 21:49:53 C 02 27 13.66 +15 33 06.7 d B66
2011-12-23 18:23:32 C 02 25 36.28 +14 45 12.9 r 106
2011-12-23 18:42:39 C 02 25 36.11 +14 45 07.0 r 106
2011-12-23 19:01:43 C 02 25 35.98 +14 45 01.5 r 106
2011-12-23 19:20:54 C 02 25 35.84 +14 44 56.0 r 106
2011-12-25 21:29:19 C 02 25 25.48 +14 30 41.6 d B66
2011-12-25 22:24:33 C 02 25 25.31 +14 30 26.1 d B66
2011-12-27 22:20:10 C 02 25 27.44 +14 18 12.1 d B66
2011-12-27 23:04:09 C 02 25 27.51 +14 18 01.3 d B66
2011-12-29 01:41:17 C 02 25 34.11 +14 11 51.1 c 704
2011-12-29 02:57:06 C 02 25 34.33 +14 11 33.1 c 704
2011-12-30 03:49:51 C 02 25 43.06 +14 06 06.2 r G96
2011-12-30 03:59:47 C 02 25 43.14 +14 06 04.1 r G96
2011-12-30 04:09:52 C 02 25 43.17 +14 06 01.9 r G96
2011-12-30 04:19:54 C 02 25 43.21 +14 05 59.8 r G96
2012-01-10 18:42:00 C 02 30 26.85 +13 27 00.2 c A24
2012-01-10 19:05:56 C 02 30 27.46 +13 26 58.7 c A24
2012-01-10 19:28:49 C 02 30 28.02 +13 26 56.9 c A24
2012-01-10 19:52:45 C 02 30 28.60 +13 26 54.9 c A24
2012-01-11 18:50:45 C 02 31 06.06 +13 25 21.2 c A24