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
2004-10-11 20:12:52 C 00 45 07.15 +21 12 15.2 o 084
2004-10-13 21:25:24 C 00 41 59.26 +20 37 01.0 r A30
2004-10-13 21:27:31 C 00 41 59.14 +20 36 59.2 r A30
2004-10-13 21:32:25 C 00 41 58.83 +20 36 55.7 r A30
2004-10-14 07:01:44 C 00 41 22.89 +20 30 03.9 r H41
2004-10-14 07:03:25 C 00 41 22.83 +20 30 03.3 r H41
2004-10-14 07:04:49 C 00 41 22.68 +20 30 01.5 r H41
2004-10-14 07:06:29 C 00 41 22.57 +20 30 00.9 r H41
2004-10-14 07:08:03 C 00 41 22.48 +20 29 59.9 r H41
2004-10-15 06:02:37 C 00 39 58.15 +20 13 15.2 c 704
2004-10-15 06:18:24 C 00 39 57.14 +20 13 03.6 c 704
2004-10-15 06:34:09 C 00 39 56.13 +20 12 51.9 c 704
2004-10-15 06:49:55 C 00 39 55.14 +20 12 40.5 c 704
2004-10-15 07:05:42 C 00 39 54.12 +20 12 28.7 c 704
2004-10-15 20:04:07 C 00 39 07.24 +20 02 50.6 o 084
2004-10-28 19:06:38 C 00 23 36.34 +16 13 15.1 o 084
2004-10-30 18:58:04 C 00 21 52.76 +15 39 43.5 o 084
2004-10-31 19:09:11 C 00 21 04.94 +15 23 08.3 r A16
2004-10-31 19:22:43 C 00 21 04.47 +15 23 00.6 r A16
2004-11-01 21:42:46 C 00 20 15.16 +15 05 11.6 o 084
2004-11-02 17:52:35 C 00 19 40.44 +14 51 48.2 o 084
2004-11-03 03:35:09 C 00 19 24.42 +14 45 29.5 17.0 c 644
2004-11-03 04:05:26 C 00 19 23.52 +14 45 09.7 16.9 c 644
2004-11-03 04:35:19 C 00 19 22.63 +14 44 50.3 17.0 c 644
2004-11-04 06:05:06 C 00 18 42.31 +14 28 19.1 d 703
2004-11-04 06:20:11 C 00 18 41.90 +14 28 09.0 d 703
2004-11-04 06:35:17 C 00 18 41.47 +14 27 59.3 d 703
2004-11-04 06:50:18 C 00 18 41.07 +14 27 49.7 d 703
2004-11-08 18:59:02 C 00 16 28.78 +13 21 42.3 r A16
2004-11-08 19:11:28 C 00 16 28.55 +13 21 34.9 r A16
2004-11-08 19:23:03 C 00 16 28.33 +13 21 28.1 r A16
2004-11-08 19:36:07 C 00 16 28.08 +13 21 20.5 r A16
2004-11-08 19:49:11 C 00 16 27.86 +13 21 13.0 r A16
2004-11-10 03:33:33 C 00 16 00.21 +13 03 09.8 o 699
2004-11-10 04:02:46 C 00 15 59.75 +13 02 53.9 o 699
2004-11-10 04:31:57 C 00 15 59.30 +13 02 37.1 o 699
2004-11-10 05:01:12 C 00 15 58.86 +13 02 20.8 o 699
2004-11-13 06:13:14 C 00 15 14.20 +12 23 04.7 d 703
2004-11-13 06:24:19 C 00 15 14.13 +12 22 59.0 d 703
2004-11-13 06:35:18 C 00 15 14.02 +12 22 53.4 d 703
2004-11-13 06:46:15 C 00 15 13.94 +12 22 47.7 d 703
2004-11-19 03:09:05 C 00 15 00.96 +11 17 16.2 c 704
2004-11-19 03:44:13 C 00 15 01.00 +11 17 01.1 c 704
2004-11-19 04:01:53 C 00 15 01.01 +11 16 53.7 c 704
2004-11-19 04:19:30 C 00 15 01.02 +11 16 46.1 c 704
2004-11-21 19:19:29 C 00 15 24.28 +10 51 32.8 o 084
2004-11-30 01:51:18 C 00 18 23.17 +09 48 54.9 17.8 c 644
2004-11-30 02:35:49 C 00 18 24.02 +09 48 43.6 18.0 c 644
2004-11-30 03:10:02 C 00 18 24.69 +09 48 34.8 18.0 c 644
2004-11-30 03:15:12 C 00 18 24.81 +09 48 34.1 o 699