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
2021-08-16 23:23:23 C 23 31 22.53 +21 59 54.4 V 089
2021-08-16 23:26:53 C 23 31 22.32 +21 59 54.0 V 089
2021-08-16 23:30:23 C 23 31 22.13 +21 59 54.0 V 089
2021-08-16 23:33:53 C 23 31 21.95 +21 59 53.7 V 089
2021-08-16 23:37:23 C 23 31 21.75 +21 59 53.8 V 089
2021-08-16 23:40:53 C 23 31 21.56 +21 59 53.4 V 089
2021-08-16 23:44:23 C 23 31 21.34 +21 59 53.3 V 089
2021-08-16 23:47:53 C 23 31 21.14 +21 59 53.1 V 089
2021-08-16 23:51:23 C 23 31 20.96 +21 59 52.7 V 089
2021-08-17 12:38:32 C 23 30 39.78 +21 59 07.9 V T05
2021-08-17 12:42:33 C 23 30 39.55 +21 59 07.6 V T05
2021-08-17 13:24:09 C 23 30 37.13 +21 59 04.4 V T05
2021-08-17 13:32:07 C 23 30 36.66 +21 59 03.7 V T05
2021-08-17 14:24:25 C 23 30 33.618 +21 58 59.19 U F51
2021-08-17 14:25:36 C 23 30 33.549 +21 58 59.07 U F51
2021-08-17 14:29:17 C 23 30 33.335 +21 58 58.68 U F51
2021-08-17 14:30:28 C 23 30 33.266 +21 58 58.61 U F51
2021-08-17 14:34:06 C 23 30 33.059 +21 58 58.27 U F51
2021-08-17 14:35:17 C 23 30 32.991 +21 58 58.18 U F51
2021-08-17 14:38:54 C 23 30 32.790 +21 58 58.60 U F51
2021-08-17 14:40:05 C 23 30 32.712 +21 58 57.71 U F51
2021-08-18 01:35:24 C 23 29 57.91 +21 58 02.0 o Z22
2021-08-18 01:42:54 C 23 29 57.47 +21 58 01.6 o Z22
2021-08-19 10:25:28 C 23 28 07.81 +21 54 29.1 V T08
2021-08-19 10:28:15 C 23 28 07.64 +21 54 28.7 V T08
2021-08-19 10:32:26 C 23 28 07.38 +21 54 28.3 V T08
2021-08-19 10:40:11 C 23 28 06.91 +21 54 27.4 V T08
2021-08-20 23:06:43 C 23 25 59.50 +21 48 50.7 V 089
2021-08-20 23:10:12 C 23 25 59.28 +21 48 50.5 V 089
2021-08-20 23:13:41 C 23 25 59.08 +21 48 49.9 V 089
2021-08-20 23:17:10 C 23 25 58.86 +21 48 49.2 V 089
2021-08-20 23:20:41 C 23 25 58.64 +21 48 48.6 V 089
2021-08-20 23:24:10 C 23 25 58.42 +21 48 48.2 V 089
2021-08-20 23:25:39 C 23 25 58.59 +21 48 48.0 V K83
2021-08-20 23:27:39 C 23 25 58.20 +21 48 47.2 V 089
2021-08-20 23:28:02 C 23 25 58.45 +21 48 47.3 V K83
2021-08-20 23:31:08 C 23 25 57.98 +21 48 46.5 V 089
2021-08-20 23:32:51 C 23 25 58.16 +21 48 46.7 V K83
2021-08-20 23:34:37 C 23 25 57.78 +21 48 46.2 V 089
2021-08-21 00:55:54 C 23 25 53.41 +21 48 36.2 o Z22
2021-08-21 01:22:54 C 23 25 51.68 +21 48 31.7 o Z22
2021-08-21 10:15:26 C 23 25 20.10 +21 46 57.3 V T05
2021-08-21 10:19:23 C 23 25 19.84 +21 46 56.4 V T05
2021-08-21 11:04:53 C 23 25 16.92 +21 46 48.2 V T05
2021-08-21 11:32:24 C 23 25 15.16 +21 46 43.2 V T05
2021-08-21 21:29:44 C 23 24 39.60 +21 44 39.3 X G02
2021-08-21 21:38:34 C 23 24 39.04 +21 44 37.8 X G02
2021-08-21 21:47:47 C 23 24 38.46 +21 44 35.9 X G02
2021-08-22 07:16:58 C 23 24 03.93 +21 42 43.0 U I41
2021-08-22 07:18:20 C 23 24 03.84 +21 42 42.7 U I41