IAA RAS IAA Minor Planet Database

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
2023-10-13 06:12:12 C 04 18 41.338 +27 52 59.30 – V W68
2023-10-13 06:20:05 C 04 18 41.182 +27 52 58.51 – V W68
2023-10-14 11:28:52 C 04 18 06.526 +27 48 40.25 – V T05
2023-10-14 11:58:04 C 04 18 05.832 +27 48 35.86 – V T05
2023-10-14 12:03:38 C 04 18 05.724 +27 48 35.14 – V T05
2023-10-14 12:10:20 C 04 18 05.546 +27 48 34.34 – V T05
2023-10-16 10:31:38 C 04 17 00.331 +27 41 07.73 – V T05
2023-10-16 10:34:15 C 04 17 00.257 +27 41 07.44 – V T05
2023-10-16 11:22:01 C 04 16 58.913 +27 40 59.66 – V T05
2023-10-16 11:27:52 C 04 16 58.750 +27 40 58.87 – V T05
2023-10-18 11:54:07 C 04 15 36.852 +27 32 11.04 – V T05
2023-10-18 11:56:43 C 04 15 36.782 +27 32 10.50 – V T05
2023-10-18 12:01:17 C 04 15 36.612 +27 32 10.10 – V T05
2023-10-18 12:09:01 C 04 15 36.350 +27 32 08.09 – V T05
2023-10-19 07:13:54 C 04 15 00.648 +27 28 19.52 – V 703
2023-10-19 07:21:47 C 04 15 00.374 +27 28 18.19 – V 703
2023-10-19 07:29:39 C 04 15 00.119 +27 28 16.64 – V 703
2023-10-19 07:37:31 C 04 14 59.834 +27 28 15.28 – V 703
2023-10-19 08:20:00 C 04 14 57.941 +27 28 15.85 – V W68
2023-10-19 08:49:14 C 04 14 56.899 +27 28 09.48 – V W68
2023-10-19 09:03:09 C 04 14 56.436 +27 28 06.96 – V W68
2023-10-20 10:07:10 C 04 14 06.518 +27 22 45.84 – V T05
2023-10-20 10:11:45 C 04 14 06.353 +27 22 44.80 – V T05
2023-10-20 11:05:57 C 04 14 04.334 +27 22 33.89 – V T05
2023-10-20 11:14:43 C 04 14 03.990 +27 22 31.83 – X F52
2023-10-20 11:29:43 C 04 14 03.421 +27 22 28.73 – X F52
2023-10-20 11:44:38 C 04 14 02.862 +27 22 25.57 – X F52
2023-10-20 11:59:36 C 04 14 02.293 +27 22 22.41 – X F52
2023-10-21 09:35:09 C 04 13 15.409 +27 17 35.12 – V 703
2023-10-21 09:42:18 C 04 13 15.150 +27 17 33.50 – V 703
2023-10-21 09:49:28 C 04 13 14.862 +27 17 32.28 – V 703
2023-10-21 09:56:49 C 04 13 14.567 +27 17 30.16 – V 703
2023-10-22 07:20:35 C 04 12 26.039 +27 12 33.77 – V 703
2023-10-22 07:34:37 C 04 12 25.477 +27 12 29.02 – V 703
2023-10-22 07:41:38 C 04 12 25.204 +27 12 27.14 – V 703
2023-10-22 11:05:37 C 04 12 17.136 +27 11 40.85 – V T05
2023-10-22 11:09:43 C 04 12 16.980 +27 11 39.95 – V T05
2023-10-22 11:48:54 C 04 12 15.310 +27 11 30.59 – V T05
2023-10-22 12:01:34 C 04 12 14.762 +27 11 27.92 – V T05
2023-10-23 08:19:28 C 04 11 25.566 +27 06 28.15 – V G96
2023-10-23 08:26:52 C 04 11 25.238 +27 06 26.39 – V G96
2023-10-23 08:34:17 C 04 11 24.914 +27 06 24.55 – V G96
2023-10-23 08:41:41 C 04 11 24.583 +27 06 22.79 – V G96
2023-10-24 10:34:41 C 04 10 18.581 +26 59 46.43 – V T05
2023-10-24 10:37:17 C 04 10 18.461 +26 59 45.89 – V T05
2023-10-24 10:42:34 C 04 10 18.223 +26 59 44.70 – V T05
2023-10-24 11:17:27 C 04 10 16.584 +26 59 35.66 – V T05
2023-10-25 04:43:02 C 04 09 30.010 +26 55 02.68 – V W68
2023-10-25 04:45:39 C 04 09 29.861 +26 55 01.70 – V W68
2023-10-25 05:00:49 C 04 09 29.162 +26 54 57.89 – V W68