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
2018-12-07 12:17:39 C 05 56 16.50 +18 12 16.3 U T05
2018-12-07 12:18:19 C 05 56 16.44 +18 12 16.1 U T05
2018-12-09 10:51:42 C 05 52 52.85 +17 52 27.7 U T08
2018-12-09 11:08:32 C 05 52 51.54 +17 52 20.6 U T08
2018-12-09 11:23:30 C 05 52 50.37 +17 52 13.7 U T08
2018-12-09 11:24:10 C 05 52 50.31 +17 52 13.7 U T08
2018-12-11 23:31:54 C 05 48 15.99 +17 26 09.9 q 160
2018-12-11 23:35:54 C 05 48 15.67 +17 26 08.1 q 160
2018-12-11 23:39:52 C 05 48 15.35 +17 26 06.3 q 160
2018-12-13 09:25:31 C 05 45 36.42 +17 11 24.5 V G96
2018-12-13 09:32:57 C 05 45 35.82 +17 11 21.2 V G96
2018-12-13 09:40:24 C 05 45 35.20 +17 11 17.7 V G96
2018-12-13 09:47:49 C 05 45 34.61 +17 11 14.7 V G96
2018-12-13 15:52:59 C 05 45 06.20 +17 08 35.3 q D29
2018-12-13 16:28:37 C 05 45 03.26 +17 08 19.7 q D29
2018-12-15 21:44:39 S 05 40 51.170 +16 45 57.46 V C57
2018-12-15 21:44:39 s 1 +53733.126 0 +330366.45 120.0 C57
2018-12-15 22:14:39 S 05 40 48.564 +16 45 46.44 V C57
2018-12-15 22:14:39 s 1 +52786.511 0 +331361.79 7480.0 C57
2018-12-15 22:44:39 S 05 40 45.854 +16 45 33.19 V C57
2018-12-15 22:44:39 s 1 +51838.161 0 +332346.56 2560.0 C57
2018-12-15 23:14:39 S 05 40 43.330 +16 45 21.02 V C57
2018-12-15 23:14:39 s 1 +50888.116 0 +333320.78 5640.0 C57
2018-12-15 23:44:39 S 05 40 40.850 +16 45 10.12 V C57
2018-12-15 23:44:39 s 1 +49936.419 0 +334284.50 6990.0 C57
2018-12-16 00:14:39 S 05 40 38.261 +16 44 56.18 V C57
2018-12-16 00:14:39 s 1 +48983.107 0 +335237.73 6900.0 C57
2018-12-16 00:36:25 C 05 40 33.29 +16 43 39.1 q 160
2018-12-16 00:40:31 C 05 40 32.94 +16 43 37.2 q 160
2018-12-16 00:44:38 C 05 40 32.60 +16 43 35.5 q 160
2018-12-16 00:44:39 S 05 40 35.808 +16 44 45.78 V C57
2018-12-16 00:44:39 s 1 +48028.221 0 +336180.53 5620.0 C57
2018-12-16 01:14:39 S 05 40 33.322 +16 44 44.20 V C57
2018-12-16 01:14:39 s 1 +47071.800 0 +337112.92 3440.0 C57
2018-12-16 01:44:39 S 05 40 30.379 +16 44 22.88 V C57
2018-12-16 01:44:39 s 1 +46113.882 0 +338034.93 600.0 C57
2018-12-16 02:14:39 S 05 40 27.773 +16 44 10.07 V C57
2018-12-16 02:14:39 s 1 +45154.505 0 +338946.59 7370.0 C57
2018-12-16 02:44:39 S 05 40 25.301 +16 43 59.12 V C57
2018-12-16 02:44:39 s 1 +44193.708 0 +339847.95 4020.0 C57
2018-12-16 03:14:39 S 05 40 22.718 +16 43 46.99 V C57
2018-12-16 03:14:39 s 1 +43231.527 0 +340739.03 790.0 C57
2018-12-16 03:44:39 S 05 40 20.105 +16 43 35.18 V C57
2018-12-16 03:44:39 s 1 +42267.999 0 +341619.85 7930.0 C57
2018-12-16 04:14:39 S 05 40 17.578 +16 43 22.51 V C57
2018-12-16 04:14:39 s 1 +41303.161 0 +342490.46 5700.0 C57
2018-12-16 04:44:39 S 05 40 15.038 +16 43 10.56 V C57
2018-12-16 04:44:39 s 1 +40337.048 0 +343350.89 4340.0 C57
2018-12-16 05:14:39 S 05 40 12.394 +16 42 58.86 V C57
2018-12-16 05:14:39 s 1 +39369.697 0 +344201.15 4090.0 C57