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
2009-08-11 00:09:08 C 22 52 15.715 +20 18 49.31 16.3 u A84
2009-08-11 00:11:16 C 22 52 15.576 +20 18 49.12 16.4 u A84
2009-08-11 00:13:56 C 22 52 15.406 +20 18 48.85 16.4 u A84
2009-08-11 00:16:52 C 22 52 15.222 +20 18 48.61 16.4 u A84
2009-08-11 00:19:46 C 22 52 15.025 +20 18 48.26 16.4 u A84
2009-08-11 00:22:58 C 22 52 14.821 +20 18 48.07 16.5 u A84
2009-08-11 00:25:09 C 22 52 14.680 +20 18 47.82 16.5 u A84
2009-08-11 00:27:20 C 22 52 14.539 +20 18 47.58 16.5 u A84
2009-08-11 00:29:31 C 22 52 14.399 +20 18 47.44 16.5 u A84
2009-08-11 00:31:26 C 22 52 14.278 +20 18 47.23 16.5 u A84
2009-08-11 00:33:21 C 22 52 14.152 +20 18 47.07 16.5 u A84
2009-08-11 21:41:15 C 22 50 57.74 +20 16 32.2 16.1 r 084
2009-08-11 21:44:33 C 22 50 57.55 +20 16 31.9 16.1 r 084
2009-08-11 22:16:51 C 22 50 55.49 +20 16 28.0 16.5 o 084
2009-08-11 22:20:15 C 22 50 55.26 +20 16 27.9 16.2 o 084
2009-08-12 23:12:53 C 22 49 22.96 +20 13 14.2 o B75
2009-08-13 01:00:16 C 22 49 15.473 +20 13 00.34 16.5 u A84
2009-08-13 01:02:09 C 22 49 15.342 +20 13 00.02 16.6 u A84
2009-08-13 01:04:19 C 22 49 15.202 +20 12 59.68 16.5 u A84
2009-08-13 01:06:30 C 22 49 15.056 +20 12 59.37 16.5 u A84
2009-08-13 01:08:41 C 22 49 14.912 +20 12 59.03 16.6 u A84
2009-08-13 01:11:18 C 22 49 14.735 +20 12 58.61 16.6 u A84
2009-08-13 01:14:14 C 22 49 14.538 +20 12 58.13 16.5 u A84
2009-08-13 01:17:08 C 22 49 14.353 +20 12 57.63 16.5 u A84
2009-08-13 01:19:50 C 22 49 14.166 +20 12 57.25 16.5 u A84
2009-08-13 01:21:59 C 22 49 14.022 +20 12 56.86 16.5 u A84
2009-08-13 01:24:10 C 22 49 13.880 +20 12 56.52 16.5 u A84
2009-08-13 01:26:18 C 22 49 13.734 +20 12 56.17 16.5 u A84
2009-08-13 01:28:15 C 22 49 13.607 +20 12 55.88 16.5 u A84
2009-08-13 01:30:08 C 22 49 13.481 +20 12 55.57 16.5 u A84
2009-08-13 04:50:08 C 22 49 02.06 +20 12 24.1 r H53
2009-08-13 04:55:44 C 22 49 01.67 +20 12 23.3 r H53
2009-08-13 05:00:44 C 22 49 01.35 +20 12 22.4 r H53
2009-08-13 05:05:45 C 22 49 01.02 +20 12 21.7 r H53
2009-08-13 05:10:45 C 22 49 00.70 +20 12 20.9 r H53
2009-08-13 05:18:54 C 22 49 00.12 +20 12 19.9 r H53
2009-08-14 20:24:06 C 22 46 30.54 +20 05 07.0 r C00
2009-08-14 21:21:04 C 22 46 26.72 +20 04 55.9 r C00
2009-08-15 01:38:04 C 22 46 09.59 +20 04 05.4 w B19
2009-08-15 01:42:11 C 22 46 09.29 +20 04 04.5 w B19
2009-08-15 01:46:29 C 22 46 09.01 +20 04 03.5 w B19
2009-08-15 19:50:18 C 22 44 59.08 +19 59 52.6 r C00
2009-08-15 20:31:05 C 22 44 56.35 +19 59 43.8 r C00
2009-08-15 21:04:48 C 22 44 54.01 +19 59 35.5 r C00
2009-08-15 22:25:58 C 22 44 48.41 +19 59 15.6 16.1 o 084
2009-08-15 22:29:21 C 22 44 48.19 +19 59 14.9 16.0 o 084
2009-08-15 22:30:05 C 22 44 48.68 +19 59 18.5 c J05
2009-08-15 22:32:21 C 22 44 48.50 +19 59 18.0 c J05
2009-08-15 22:34:38 C 22 44 48.36 +19 59 17.6 c J05
2009-08-15 22:57:05 C 22 44 46.54 +19 59 10.2 r 113