IAA RAS IAA Minor Planet Database

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
2019-04-10 06:20:46 C 06 20 31.07 +13 15 01.8 – V T05
2019-04-17 06:20:38 C 06 38 07.39 +13 14 02.1 – V T05
2019-04-17 06:34:09 C 06 38 08.86 +13 14 01.8 – V T05
2019-04-17 06:46:54 C 06 38 10.18 +13 14 01.5 – V T05
2019-04-17 06:59:56 C 06 38 11.57 +13 14 00.1 – V T05
2019-04-20 05:39:57 C 06 45 54.22 +13 11 30.0 – V T08
2019-04-20 05:42:38 C 06 45 54.52 +13 11 29.6 – V T08
2019-04-20 05:52:35 C 06 45 55.61 +13 11 29.4 – V T08
2019-04-20 05:55:58 C 06 45 55.94 +13 11 29.0 – V T08
2019-04-20 06:07:20 C 06 45 57.19 +13 11 27.9 – V T08
2019-04-26 05:37:33 C 07 02 08.01 +13 02 08.3 – V T05
2019-04-26 05:50:11 C 07 02 09.46 +13 02 07.4 – V T05
2019-04-26 05:50:50 C 07 02 09.48 +13 02 07.7 – V T05
2019-04-26 05:57:35 C 07 02 10.23 +13 02 07.5 – V T05
2019-04-30 06:09:45 C 07 13 24.08 +12 52 31.4 – V T05
2019-04-30 06:22:39 C 07 13 25.64 +12 52 29.9 – V T05
2019-04-30 06:35:35 C 07 13 27.13 +12 52 28.2 – V T05
2019-04-30 06:48:42 C 07 13 28.65 +12 52 26.7 – V T05
2019-05-07 06:35:51 C 07 33 46.86 +12 28 48.7 – V T05
2019-05-07 06:48:48 C 07 33 48.46 +12 28 46.0 – V T05
2019-05-07 07:01:47 C 07 33 50.05 +12 28 43.5 – V T05
2019-05-07 07:20:55 C 07 33 52.36 +12 28 40.7 – V T05
2019-05-08 03:19:58 C 07 36 20.99 +12 25 15.3 – V 703
2019-05-08 03:27:32 C 07 36 21.88 +12 25 13.0 – V 703
2019-05-08 03:42:42 C 07 36 23.82 +12 25 10.4 – V 703
2019-05-08 06:05:37 C 07 36 41.68 +12 24 46.0 – V T05
2019-05-08 06:08:23 C 07 36 42.03 +12 24 46.1 – V T05
2019-05-08 06:17:56 C 07 36 43.21 +12 24 44.6 – V T05
2019-05-08 06:40:37 C 07 36 45.96 +12 24 40.2 – V T05
2019-05-12 06:14:08 C 07 48 47.14 +12 06 18.9 – V T05
2019-05-12 06:20:10 C 07 48 47.90 +12 06 17.6 – V T05
2019-05-12 06:27:27 C 07 48 48.81 +12 06 16.2 – V T05
2019-05-12 06:44:02 C 07 48 50.90 +12 06 12.9 – V T05
2019-05-15 06:16:01 C 07 58 01.21 +11 50 25.4 – V T05
2019-05-15 06:20:41 C 07 58 01.80 +11 50 24.0 – V T05
2019-05-15 06:27:21 C 07 58 02.64 +11 50 23.5 – V T05
2019-05-15 06:46:51 C 07 58 05.16 +11 50 18.2 – V T05
2019-05-24 05:51:37 C 08 26 30.63 +10 52 06.0 – V T05
2019-05-24 05:56:55 C 08 26 31.31 +10 52 03.9 – V T05
2019-05-24 06:04:11 C 08 26 32.33 +10 52 02.0 – V T05
2019-05-24 06:20:17 C 08 26 34.48 +10 51 57.2 – V T05
2019-06-22 06:15:03 C 10 06 36.80 +05 53 35.1 – V T08
2019-06-22 06:19:42 C 10 06 37.43 +05 53 32.0 – V T08
2019-06-22 06:30:20 C 10 06 39.12 +05 53 26.1 – V T08
2019-06-22 06:47:02 C 10 06 41.64 +05 53 18.1 – V T08
2019-07-06 07:04:15 C 10 58 56.20 +02 36 48.3 – q E89
2019-07-18 06:13:09 C 11 45 16.14 -00 28 47.3 – V T05
2019-07-18 06:15:48 C 11 45 16.56 -00 28 48.6 – V T05
2019-07-18 06:22:34 C 11 45 17.65 -00 28 53.4 – V T05
2019-07-18 06:35:16 C 11 45 19.72 -00 29 01.7 – V T05