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
2004-09-19 08:07:49 C 01 20 08.02 +25 54 15.8 r H41
2004-09-19 08:09:52 C 01 20 07.90 +25 54 14.9 r H41
2004-09-19 08:11:42 C 01 20 07.75 +25 54 14.6 r H41
2004-09-19 08:13:36 C 01 20 07.68 +25 54 14.2 r H41
2004-09-19 19:51:37 C 01 19 29.00 +25 50 42.5 o 084
2004-09-20 08:07:09 C 01 18 46.77 +25 47 01.9 r H41
2004-09-20 08:08:38 C 01 18 46.70 +25 47 01.3 r H41
2004-09-20 08:10:03 C 01 18 46.63 +25 47 01.1 r H41
2004-09-20 08:11:28 C 01 18 46.54 +25 47 01.1 r H41
2004-09-23 06:56:55 C 01 14 35.41 +25 22 34.0 c 704
2004-09-23 07:13:57 C 01 14 34.31 +25 22 27.6 c 704
2004-09-23 07:30:59 C 01 14 33.22 +25 22 21.3 c 704
2004-09-23 07:48:01 C 01 14 32.13 +25 22 14.4 c 704
2004-09-23 08:05:08 C 01 14 31.02 +25 22 08.4 c 704
2004-09-24 00:02:55 C 01 13 32.10 +25 15 54.2 c 951
2004-09-24 00:35:59 C 01 13 29.98 +25 15 41.1 c 951
2004-09-24 01:08:04 C 01 13 27.94 +25 15 27.9 c 951
2004-09-24 02:00:43 C 01 13 24.51 +25 15 09.3 r 170
2004-09-24 02:06:51 C 01 13 24.15 +25 15 06.8 r 170
2004-09-24 02:09:18 C 01 13 23.96 +25 15 05.7 r 170
2004-09-24 23:35:25 C 01 12 03.56 +25 06 20.4 o 084
2004-09-26 08:01:37 C 01 09 59.43 +24 52 26.7 r H41
2004-09-26 08:03:27 C 01 09 59.32 +24 52 25.7 r H41
2004-09-26 08:04:50 C 01 09 59.29 +24 52 25.5 r H41
2004-09-26 08:06:19 C 01 09 59.13 +24 52 25.0 r H41
2004-09-26 08:07:47 C 01 09 59.05 +24 52 23.9 r H41
2004-09-27 08:01:43 C 01 08 26.15 +24 41 29.9 c H41
2004-09-27 08:03:17 C 01 08 26.02 +24 41 29.1 c H41
2004-09-27 08:04:41 C 01 08 25.93 +24 41 28.5 c H41
2004-09-27 08:06:16 C 01 08 25.81 +24 41 27.5 c H41
2004-09-27 08:07:54 C 01 08 25.68 +24 41 27.0 c H41
2004-09-30 06:50:25 C 01 03 44.85 +24 06 16.9 r H41
2004-09-30 06:51:47 C 01 03 44.77 +24 06 15.9 r H41
2004-09-30 06:53:02 C 01 03 44.64 +24 06 15.7 r H41
2004-09-30 06:54:37 C 01 03 44.59 +24 06 14.6 r H41
2004-09-30 06:55:54 C 01 03 44.49 +24 06 14.4 r H41
2004-10-03 21:57:01 C 00 57 51.41 +23 17 14.5 r A13
2004-10-03 21:59:25 C 00 57 51.25 +23 17 13.1 r A13
2004-10-03 22:01:45 C 00 57 51.08 +23 17 11.7 r A13
2004-10-03 22:04:05 C 00 57 50.91 +23 17 10.2 r A13
2004-10-03 22:06:25 C 00 57 50.75 +23 17 08.8 r A13
2004-10-05 04:58:36 C 00 55 45.02 +22 58 26.3 16.2 c 644
2004-10-05 06:26:53 C 00 55 38.79 +22 57 32.5 16.3 c 644
2004-10-05 08:03:14 C 00 55 31.95 +22 56 33.0 16.3 c 644
2004-10-06 06:39:14 C 00 53 59.86 +22 42 21.0 r H41
2004-10-06 06:42:42 C 00 53 59.58 +22 42 17.9 r H41
2004-10-06 06:44:09 C 00 53 59.50 +22 42 17.6 r H41
2004-10-06 06:45:32 C 00 53 59.42 +22 42 17.0 r H41
2004-10-06 06:46:58 C 00 53 59.32 +22 42 15.7 r H41
2004-10-07 22:24:30 C 00 51 18.80 +22 16 30.5 o 084