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
2009-08-29 23:55:50 C 22 22 09.25 +17 28 57.5 w J35
2009-08-30 03:33:55 C 22 21 55.74 +17 26 41.7 r H53
2009-08-30 03:36:56 C 22 21 55.56 +17 26 39.7 r H53
2009-08-30 03:39:56 C 22 21 55.34 +17 26 37.9 r H53
2009-08-30 03:42:56 C 22 21 55.16 +17 26 35.7 r H53
2009-08-30 03:45:56 C 22 21 54.94 +17 26 34.4 r H53
2009-08-30 03:48:56 C 22 21 54.62 +17 26 32.3 r H53
2009-08-30 12:43:06 C 22 21 20.67 +17 20 56.9 r 900
2009-08-30 12:53:22 C 22 21 19.98 +17 20 50.4 r 900
2009-08-30 23:27:09 C 22 20 39.12 +17 14 00.4 15.9 r 084
2009-08-30 23:30:27 C 22 20 38.89 +17 13 58.5 16.0 r 084
2009-08-31 01:23:59 C 22 20 31.52 +17 12 44.9 16.1 r 084
2009-08-31 05:58:24 C 22 20 15.00 +17 09 55.5 r 703
2009-08-31 06:04:40 C 22 20 14.60 +17 09 51.8 r 703
2009-08-31 06:10:59 C 22 20 14.17 +17 09 47.6 r 703
2009-08-31 06:17:04 C 22 20 13.77 +17 09 43.4 r 703
2009-08-31 21:37:05 C 22 19 16.12 +16 59 36.1 16.0 r 084
2009-09-01 05:45:17 C 22 18 45.86 +16 54 18.8 r H53
2009-09-01 05:50:17 C 22 18 45.55 +16 54 15.4 r H53
2009-09-01 05:54:25 C 22 18 45.17 +16 54 12.4 r H53
2009-09-01 05:59:25 C 22 18 44.93 +16 54 08.9 r H53
2009-09-01 06:03:26 C 22 18 44.69 +16 54 06.6 r H53
2009-09-01 06:07:25 C 22 18 44.41 +16 54 04.7 r H53
2009-09-01 22:57:38 C 22 17 42.50 +16 42 40.9 16.0 o 084
2009-09-01 23:00:54 C 22 17 42.31 +16 42 38.9 16.1 o 084
2009-09-02 04:31:40 C 22 17 22.74 +16 38 59.6 r H53
2009-09-02 04:33:43 C 22 17 22.63 +16 38 58.1 r H53
2009-09-02 04:35:53 C 22 17 22.49 +16 38 57.0 r H53
2009-09-02 04:37:53 C 22 17 22.33 +16 38 55.0 r H53
2009-09-02 04:39:54 C 22 17 22.20 +16 38 54.0 r H53
2009-09-02 04:41:55 C 22 17 22.03 +16 38 52.7 r H53
2009-09-02 19:16:00 C 22 16 29.79 +16 28 48.5 r C00
2009-09-02 19:47:57 C 22 16 27.80 +16 28 26.6 r C00
2009-09-02 20:46:22 C 22 16 24.16 +16 27 45.8 16.0 o 084
2009-09-02 22:56:38 C 22 16 16.09 +16 26 15.9 16.1 o 084
2009-09-03 19:03:31 C 22 15 05.76 +16 12 12.9 r C00
2009-09-03 19:42:43 C 22 15 03.40 +16 11 45.3 r C00
2009-09-05 23:22:07 C 22 12 07.87 +15 34 38.2 o B88
2009-09-05 23:27:18 C 22 12 07.58 +15 34 34.2 o B88
2009-09-05 23:32:38 C 22 12 07.28 +15 34 30.5 o B88
2009-09-07 21:21:29 C 22 09 41.34 +15 00 25.4 16.5 o 084
2009-09-07 21:24:44 C 22 09 41.15 +15 00 23.6 16.4 o 084
2009-09-08 06:17:02 C 22 09 13.68 +14 53 48.3 v H47
2009-09-08 06:30:38 C 22 09 12.94 +14 53 38.1 v H47
2009-09-08 06:45:17 C 22 09 12.15 +14 53 27.0 v H47
2009-09-08 18:30:30 C 22 08 37.39 +14 44 27.0 r C00
2009-09-08 18:49:47 C 22 08 36.40 +14 44 12.5 r C00
2009-09-08 19:10:10 C 22 08 35.36 +14 43 57.1 r C00
2009-09-08 19:17:10 C 22 08 35.34 +14 43 53.7 c A65
2009-09-08 19:42:23 C 22 08 34.03 +14 43 34.9 c A65