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
1997-07-31 05:50:01 C 22 05 41.40 +18 13 17.5 z 762
1997-08-01 23:41:11 C 22 02 58.69 +18 11 19.6 z 118
1997-08-03 23:02:57 C 21 59 50.32 +18 06 01.8 z 118
1997-08-03 23:13:09 C 21 59 49.63 +18 06 00.3 z 118
1997-08-04 04:09:14 C 21 59 30.63 +18 05 18.7 710
1997-08-04 05:15:59 C 21 59 25.83 +18 05 07.7 710
1997-08-04 19:55:23 C 21 58 26.65 +18 02 37.3 557
1997-08-04 20:55:53 C 21 58 22.43 +18 02 27.6 557
1997-08-04 22:45:23 C 21 58 14.65 +18 02 09.0 557
1997-08-05 00:16:14 C 21 58 08.13 +18 01 52.8 557
1997-08-05 01:30:58 C 21 58 02.78 +18 01 38.8 557
1997-08-05 20:09:41 C 21 56 48.09 +17 57 56.5 557
1997-08-05 21:57:35 C 21 56 40.44 +17 57 35.0 557
1997-08-05 23:24:37 C 21 56 34.18 +17 57 16.8 557
1997-08-06 00:53:17 C 21 56 27.78 +17 56 57.6 557
1997-08-06 02:09:43 C 21 56 22.29 +17 56 40.4 557
1997-08-07 03:39:19 C 21 54 39.26 +17 50 38.7 z 762
1997-08-07 03:48:34 C 21 54 38.55 +17 50 36.5 z 762
1997-08-09 05:30:29 C 21 51 14.57 +17 36 19.6 710
1997-08-09 06:36:30 C 21 51 09.74 +17 35 58.9 710
1997-08-10 21:09:08 C 21 48 32.43 +17 22 29.8 z 046
1997-08-10 21:12:55 C 21 48 32.17 +17 22 28.4 z 046
1997-08-10 21:15:27 C 21 48 31.99 +17 22 27.5 z 046
1997-08-11 22:11:03 C 21 46 50.48 +17 12 46.4 z 046
1997-08-11 22:14:04 C 21 46 50.27 +17 12 45.2 z 046
1997-08-11 22:17:19 C 21 46 50.03 +17 12 43.9 z 046
1997-08-14 03:32:43 C 21 43 16.79 +16 49 30.9 z 762
1997-08-14 03:45:19 C 21 43 15.89 +16 49 24.6 z 762
1997-08-14 10:19:03 C 21 42 49.45 +16 46 28.9 c 608
1997-08-15 10:19:39 C 21 41 15.18 +16 34 46.0 c 608
1997-08-21 21:01:15 C 21 31 46.58 +15 05 36.5 z 631
1997-08-21 22:24:16 C 21 31 41.59 +15 04 42.7 z 631
1997-08-22 23:37:07 C 21 30 16.64 +14 48 19.8 15.8 z 140
1997-08-23 00:06:32 C 21 30 14.89 +14 48 00.9 15.8 z 140
1997-08-23 00:35:02 C 21 30 13.18 +14 47 41.8 15.8 z 140
1997-08-23 01:18:20 C 21 30 10.67 +14 47 13.4 15.8 z 140
1997-08-23 21:07:12 C 21 29 06.81 +14 33 58.6 z 108
1997-08-23 21:12:04 C 21 29 06.46 +14 33 56.1 z 108
1997-08-23 21:34:12 C 21 29 05.21 +14 33 40.3 z 108
1997-08-25 21:01:26 C 21 26 37.31 +14 00 58.9 z 118
1997-08-25 21:03:53 C 21 26 37.17 +14 00 57.4 z 118
1997-08-27 20:03:26 C 21 24 21.12 +13 27 24.6 557
1997-08-27 21:36:44 C 21 24 16.47 +13 26 17.3 557
1997-08-27 23:04:56 C 21 24 12.09 +13 25 13.3 557
1997-08-28 00:25:58 C 21 24 08.09 +13 24 14.1 557
1997-08-28 01:19:33 C 21 24 05.50 +13 23 34.7 557
1997-08-28 02:19:51 C 21 24 02.61 +13 22 50.3 557
1997-09-06 01:12:40 C 21 16 13.48 +10 41 32.6 z 844
1997-09-06 01:22:46 C 21 16 13.24 +10 41 24.4 z 844
1997-09-06 01:24:29 C 21 16 13.09 +10 41 23.9 z 844