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
2009-07-25 00:06:34 C 23 10 30.59 +19 12 23.3 w J10
2009-07-25 00:53:36 C 23 10 29.15 +19 12 41.5 w B19
2009-07-25 00:55:45 C 23 10 29.06 +19 12 42.5 w B19
2009-07-25 00:57:54 C 23 10 29.01 +19 12 43.1 w B19
2009-07-25 01:28:56 C 23 10 28.40 +19 12 58.8 r J51
2009-07-25 01:35:31 C 23 10 28.19 +19 13 01.4 r J51
2009-07-25 01:42:07 C 23 10 28.00 +19 13 03.9 r J51
2009-07-25 08:29:58 C 23 10 16.69 +19 15 40.7 c 704
2009-07-25 08:45:17 C 23 10 16.21 +19 15 46.4 c 704
2009-07-25 09:00:38 C 23 10 15.68 +19 15 50.4 c 704
2009-07-25 09:15:58 C 23 10 15.18 +19 15 59.4 c 704
2009-07-25 09:31:37 C 23 10 14.69 +19 16 05.2 c 704
2009-07-26 01:07:13 C 23 09 48.81 +19 21 53.5 r J51
2009-07-26 01:18:32 C 23 09 48.43 +19 21 58.5 r J51
2009-07-26 01:27:58 C 23 09 48.14 +19 22 02.4 r J51
2009-07-31 06:38:41 C 23 05 25.29 +19 59 26.3 r 703
2009-07-31 06:48:37 C 23 05 24.86 +19 59 28.6 r 703
2009-07-31 06:58:28 C 23 05 24.43 +19 59 31.2 r 703
2009-07-31 07:08:23 C 23 05 24.00 +19 59 33.5 r 703
2009-08-01 01:17:58 C 23 04 38.27 +20 03 31.0 w B19
2009-08-01 01:21:12 C 23 04 38.14 +20 03 31.7 w B19
2009-08-01 01:24:55 C 23 04 37.94 +20 03 32.2 w B19
2009-08-02 01:11:30 C 23 03 36.46 +20 08 13.7 r J51
2009-08-02 01:23:16 C 23 03 35.89 +20 08 15.9 r J51
2009-08-02 01:35:03 C 23 03 35.33 +20 08 18.1 r J51
2009-08-02 10:05:51 C 23 03 11.75 +20 09 46.5 V H06
2009-08-02 10:08:26 C 23 03 11.61 +20 09 47.1 V H06
2009-08-04 15:19:12 C 23 00 41.14 +20 17 09.3 r 900
2009-08-04 15:24:21 C 23 00 40.86 +20 17 10.0 r 900
2009-08-05 00:00:02 C 23 00 15.05 +20 17 59.5 o B75
2009-08-05 00:06:22 C 23 00 14.71 +20 18 00.2 o B75
2009-08-05 00:07:43 C 23 00 14.66 +20 18 00.4 o B75
2009-08-05 00:11:22 C 23 00 14.120 +20 18 03.22 16.8 u A84
2009-08-05 00:23:10 C 23 00 13.487 +20 18 04.38 17.3 u A84
2009-08-05 00:26:37 C 23 00 13.287 +20 18 04.65 17.3 u A84
2009-08-05 00:29:59 C 23 00 13.102 +20 18 04.96 19.7 u A84
2009-08-05 00:33:26 C 23 00 12.917 +20 18 05.29 19.7 u A84
2009-08-05 00:36:55 C 23 00 12.724 +20 18 05.67 19.8 u A84
2009-08-05 00:40:17 C 23 00 12.536 +20 18 05.94 17.6 u A84
2009-08-05 00:47:12 C 23 00 12.169 +20 18 06.57 17.7 u A84
2009-08-05 00:50:41 C 23 00 11.976 +20 18 06.88 17.7 u A84
2009-08-05 00:54:08 C 23 00 11.788 +20 18 07.18 17.1 u A84
2009-08-05 00:59:55 C 23 00 11.466 +20 18 07.70 17.1 u A84
2009-08-05 01:03:17 C 23 00 11.287 +20 18 08.04 17.0 u A84
2009-08-05 01:07:24 C 23 00 11.067 +20 18 08.39 19.6 u A84
2009-08-05 01:10:50 C 23 00 10.879 +20 18 08.71 19.6 u A84
2009-08-05 20:38:04 C 22 59 12.370 +20 19 43.55 19.5 u A84
2009-08-05 20:41:33 C 22 59 12.188 +20 19 43.84 17.1 u A84
2009-08-05 20:48:28 C 22 59 11.802 +20 19 44.45 17.4 u A84
2009-08-05 20:51:57 C 22 59 11.612 +20 19 44.75 17.0 u A84