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
1999-10-12 07:41:33 C 03 25 43.31 +27 51 05.0 a 704
1999-10-12 08:02:39 C 03 25 42.33 +27 50 59.6 a 704
1999-10-13 06:18:45 C 03 24 45.12 +27 45 49.8 a 704
1999-10-13 06:43:47 C 03 24 43.87 +27 45 44.1 a 704
1999-10-13 07:07:59 C 03 24 42.85 +27 45 38.5 a 704
1999-10-13 07:31:00 C 03 24 41.81 +27 45 33.5 a 704
1999-10-13 07:53:40 C 03 24 40.76 +27 45 28.1 a 704
1999-10-21 08:00:10 C 03 14 41.36 +26 47 31.1 c 699
1999-10-21 08:44:11 C 03 14 38.56 +26 47 14.0 c 699
1999-10-21 09:28:14 C 03 14 35.83 +26 46 57.6 c 699
1999-10-31 07:49:37 C 02 58 50.926 +25 01 07.46 l 689
1999-10-31 19:39:59 C 02 58 00.73 +24 54 53.9 z 638
1999-10-31 20:24:59 C 02 57 57.54 +24 54 28.5 z 638
1999-10-31 21:15:25 C 02 57 53.72 +24 54 03.4 z 638
1999-11-01 07:43:09 C 02 57 08.525 +24 48 33.82 l 689
1999-11-01 23:12:33 C 02 56 01.66 +24 40 14.3 c 118
1999-11-01 23:20:37 C 02 56 01.07 +24 40 10.0 c 118
1999-11-03 07:32:28 C 02 53 41.377 +24 22 31.99 l 689
1999-11-03 07:35:32 C 02 53 41.10 +24 22 30.1 a 704
1999-11-03 07:58:47 C 02 53 39.35 +24 22 17.2 a 704
1999-11-03 08:21:57 C 02 53 37.58 +24 22 04.3 a 704
1999-11-03 08:45:06 C 02 53 35.85 +24 21 51.1 a 704
1999-11-03 09:08:15 C 02 53 34.06 +24 21 37.7 a 704
1999-11-04 07:26:36 C 02 51 57.110 +24 09 04.10 l 689
1999-11-05 22:50:01 C 02 49 04.98 +23 46 16.0 610
1999-11-05 22:55:03 C 02 49 04.59 +23 46 13.3 610
1999-11-05 23:00:03 C 02 49 04.20 +23 46 10.6 610
1999-11-05 23:05:02 C 02 49 03.81 +23 46 07.9 610
1999-11-05 23:10:02 C 02 49 03.41 +23 46 05.1 610
1999-11-06 07:15:03 C 02 48 28.108 +23 41 20.39 l 689
1999-11-09 07:46:00 C 02 43 12.51 +22 57 32.3 c 699
1999-11-09 08:22:37 C 02 43 09.77 +22 57 09.4 c 699
1999-11-09 08:59:21 C 02 43 07.01 +22 56 46.6 c 699
1999-11-11 09:01:42 c 02 39 41.34 +22 26 49.1 d 703
1999-11-11 09:19:26 c 02 39 40.05 +22 26 38.2 d 703
1999-11-11 09:37:04 c 02 39 38.73 +22 26 27.0 d 703
1999-11-11 09:54:44 c 02 39 37.48 +22 26 15.4 d 703
1999-11-13 06:35:13 C 02 36 30.568 +21 57 56.10 l 689
1999-11-14 06:30:03 C 02 34 52.138 +21 42 39.40 l 689
1999-11-14 07:52:45 c 02 34 46.26 +21 41 45.8 d 703
1999-11-14 08:10:37 c 02 34 45.03 +21 41 34.6 d 703
1999-11-14 08:28:20 c 02 34 43.74 +21 41 22.8 d 703
1999-11-14 08:54:26 c 02 34 41.92 +21 41 05.8 d 703
1999-11-15 06:25:06 C 02 33 15.228 +21 27 17.82 l 689
1999-11-16 05:08:48 C 02 31 44.81 +21 12 39.8 a 704
1999-11-16 05:30:29 C 02 31 43.35 +21 12 25.5 a 704
1999-11-16 05:51:02 C 02 31 41.90 +21 12 12.9 a 704
1999-11-16 06:11:33 C 02 31 40.53 +21 11 59.8 a 704
1999-11-16 06:32:02 C 02 31 39.11 +21 11 46.3 a 704
1999-11-17 06:13:30 C 02 30 06.681 +20 56 29.99 l 689