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
2009-09-08 19:56:46 C 22 08 33.28 +14 43 24.1 c A65
2009-09-08 20:47:16 C 22 08 30.44 +14 42 44.4 r C01
2009-09-08 20:48:39 C 22 08 30.36 +14 42 43.3 r C01
2009-09-08 21:40:58 C 22 08 27.62 +14 42 03.8 r C01
2009-09-08 21:42:20 C 22 08 27.54 +14 42 02.6 r C01
2009-09-09 20:27:30 C 22 07 21.13 +14 24 40.0 r C01
2009-09-09 20:28:54 C 22 07 21.05 +14 24 38.8 r C01
2009-09-09 20:57:03 C 22 07 19.45 +14 24 15.9 16.4 o 084
2009-09-09 21:17:05 C 22 07 18.60 +14 24 02.1 r C01
2009-09-09 21:18:29 C 22 07 18.53 +14 24 01.0 r C01
2009-09-09 22:04:23 C 22 07 16.39 +14 23 27.5 c B61
2009-09-09 22:07:18 C 22 07 16.21 +14 23 26.0 c B61
2009-09-09 22:07:20 C 22 07 16.24 +14 23 22.7 c J26
2009-09-09 22:10:33 C 22 07 16.07 +14 23 20.3 c J26
2009-09-09 22:16:15 C 22 07 15.78 +14 23 15.6 c J26
2009-09-09 22:21:29 C 22 07 15.53 +14 23 12.0 c J26
2009-09-09 22:25:43 C 22 07 15.28 +14 23 12.6 c B61
2009-09-09 22:33:41 C 22 07 14.81 +14 23 05.4 c B61
2009-09-09 23:52:30 C 22 07 10.68 +14 22 00.8 16.2 o 084
2009-09-10 21:53:53 C 22 06 09.13 +14 05 03.0 16.3 r 084
2009-09-10 21:57:13 C 22 06 08.97 +14 05 00.4 16.2 o 084
2009-09-11 00:17:07 C 22 06 02.28 +14 03 11.7 16.3 o 084
2009-09-11 00:20:26 C 22 06 02.15 +14 03 09.0 16.3 r 084
2009-09-11 06:32:49 C 22 05 45.56 +13 58 28.0 r 703
2009-09-11 06:39:49 C 22 05 45.20 +13 58 22.4 r 703
2009-09-11 06:46:45 C 22 05 44.88 +13 58 16.8 r 703
2009-09-11 06:53:49 C 22 05 44.52 +13 58 11.5 r 703
2009-09-11 22:19:50 C 22 05 03.24 +13 46 06.3 16.2 o 084
2009-09-12 22:05:04 C 22 04 02.46 +13 27 37.8 w J93
2009-09-12 22:08:06 C 22 04 02.32 +13 27 35.0 w J93
2009-09-12 22:11:09 C 22 04 02.19 +13 27 32.6 w J93
2009-09-15 21:28:26 C 22 01 15.88 +12 31 44.2 16.3 o 084
2009-09-15 21:31:41 C 22 01 15.75 +12 31 41.6 16.3 o 084
2009-09-17 05:42:19 C 22 00 09.72 +12 06 37.6 r 703
2009-09-17 05:56:43 C 22 00 09.21 +12 06 26.5 r 703
2009-09-17 06:11:06 C 22 00 08.67 +12 06 15.0 r 703
2009-09-17 06:25:43 C 22 00 08.13 +12 06 03.7 r 703
2009-09-17 21:32:49 C 21 59 39.04 +11 54 10.9 16.3 o 084
2009-09-17 21:36:08 C 21 59 38.94 +11 54 08.4 16.2 o 084
2009-09-20 06:42:14 C 21 58 00.22 +11 10 01.4 r 703
2009-09-20 06:53:36 C 21 57 59.94 +11 09 53.4 r 703
2009-09-20 07:04:48 C 21 57 59.54 +11 09 44.5 r 703
2009-09-20 07:16:14 C 21 57 59.22 +11 09 35.7 r 703
2009-09-20 22:29:19 C 21 57 36.09 +10 57 50.6 16.6 o 084
2009-09-20 22:32:34 C 21 57 36.00 +10 57 48.3 16.6 o 084
2009-09-20 22:33:27 C 21 57 36.24 +10 57 49.7 c J26
2009-09-20 22:36:18 C 21 57 36.16 +10 57 47.1 c J26
2009-09-20 22:40:03 C 21 57 36.01 +10 57 43.4 c J26
2009-09-20 22:45:15 C 21 57 35.94 +10 57 40.8 c J26
2009-09-23 18:53:31 C 21 56 08.17 +10 06 16.2 r 240