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
2009-08-15 23:00:55 C 22 44 46.27 +19 59 09.2 r 113
2009-08-15 23:04:47 C 22 44 46.01 +19 59 08.2 r 113
2009-08-15 23:07:52 C 22 44 45.79 +19 59 07.5 r 113
2009-08-19 23:20:39 C 22 38 18.697 +19 29 50.14 16.5 u A84
2009-08-19 23:22:38 C 22 38 18.557 +19 29 49.38 16.5 u A84
2009-08-19 23:24:36 C 22 38 18.407 +19 29 48.70 16.5 u A84
2009-08-19 23:26:51 C 22 38 18.260 +19 29 47.94 16.5 u A84
2009-08-19 23:29:06 C 22 38 18.082 +19 29 46.98 16.6 u A84
2009-08-19 23:31:21 C 22 38 17.925 +19 29 46.14 16.6 u A84
2009-08-19 23:34:04 C 22 38 17.722 +19 29 45.21 16.6 u A84
2009-08-19 23:37:02 C 22 38 17.492 +19 29 44.10 16.5 u A84
2009-08-19 23:40:01 C 22 38 17.278 +19 29 42.89 16.4 u A84
2009-08-19 23:42:45 C 22 38 17.098 +19 29 41.95 16.1 u A84
2009-08-19 23:44:57 C 22 38 16.943 +19 29 41.07 16.4 u A84
2009-08-19 23:47:11 C 22 38 16.782 +19 29 40.28 16.3 u A84
2009-08-19 23:49:24 C 22 38 16.616 +19 29 39.42 16.3 u A84
2009-08-19 23:51:22 C 22 38 16.481 +19 29 38.66 16.4 u A84
2009-08-19 23:53:19 C 22 38 16.334 +19 29 37.99 16.4 u A84
2009-08-20 00:36:06 C 22 38 13.38 +19 29 15.9 16.2 o 084
2009-08-20 00:39:29 C 22 38 13.21 +19 29 15.0 16.2 o 084
2009-08-20 01:06:15 C 22 38 11.30 +19 29 04.5 16.2 r 084
2009-08-20 01:09:37 C 22 38 11.08 +19 29 03.2 16.1 r 084
2009-08-20 21:11:58 C 22 36 49.79 +19 21 26.2 16.4 o 084
2009-08-20 21:15:15 C 22 36 49.56 +19 21 25.0 16.4 o 084
2009-08-21 06:19:00 C 22 36 12.64 +19 17 54.5 c 704
2009-08-21 06:36:58 C 22 36 11.32 +19 17 47.9 c 704
2009-08-21 06:54:56 C 22 36 10.00 +19 17 40.4 c 704
2009-08-21 07:12:55 C 22 36 08.71 +19 17 32.8 c 704
2009-08-21 07:30:56 C 22 36 07.41 +19 17 25.8 c 704
2009-08-22 22:27:35 C 22 33 28.11 +19 00 39.7 c 127
2009-08-22 22:32:53 C 22 33 27.73 +19 00 37.2 c 127
2009-08-22 22:38:03 C 22 33 27.36 +19 00 34.5 c 127
2009-08-22 22:43:45 C 22 33 26.98 +19 00 32.2 c 127
2009-08-22 22:48:51 C 22 33 26.58 +19 00 30.0 c 127
2009-08-23 22:33:10 C 22 31 49.53 +18 49 26.9 c 127
2009-08-23 22:38:30 C 22 31 49.14 +18 49 24.3 c 127
2009-08-23 22:44:12 C 22 31 48.73 +18 49 21.5 c 127
2009-08-23 22:49:28 C 22 31 48.37 +18 49 19.0 c 127
2009-08-26 06:21:26 C 22 28 02.99 +18 21 06.2 c 704
2009-08-26 06:39:46 C 22 28 01.63 +18 20 56.5 c 704
2009-08-26 06:58:08 C 22 28 00.36 +18 20 46.7 c 704
2009-08-26 07:16:28 C 22 27 59.05 +18 20 36.6 c 704
2009-08-26 07:34:49 C 22 27 57.78 +18 20 26.8 c 704
2009-08-28 21:49:54 C 22 23 50.84 +17 44 52.7 v 204
2009-08-28 21:57:10 C 22 23 50.34 +17 44 48.4 v 204
2009-08-29 22:08:37 C 22 22 16.53 +17 30 03.2 w J05
2009-08-29 22:31:10 C 22 22 15.00 +17 29 49.3 w J05
2009-08-29 23:06:13 C 22 22 12.62 +17 29 27.5 w J05
2009-08-29 23:52:14 C 22 22 09.53 +17 29 00.3 w J35
2009-08-29 23:54:02 C 22 22 09.37 +17 28 59.3 w J35