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
2009-09-23 18:57:38 C 21 56 08.08 +10 06 13.3 r 240
2009-09-23 19:03:50 C 21 56 07.96 +10 06 08.7 r 240
2009-09-23 19:05:53 C 21 56 07.92 +10 06 07.2 r 240
2009-09-23 19:07:57 C 21 56 07.88 +10 06 05.6 r 240
2009-09-23 23:10:53 C 21 56 02.76 +10 03 03.4 16.5 o 084
2009-09-23 23:14:09 C 21 56 02.65 +10 03 00.2 16.5 o 084
2009-09-24 04:02:43 C 21 55 58.10 +09 59 31.6 r 683
2009-09-24 04:41:45 C 21 55 57.30 +09 59 03.1 r 683
2009-09-25 03:58:24 C 21 55 34.40 +09 41 57.1 r 683
2009-09-25 04:17:51 C 21 55 34.06 +09 41 41.1 r 683
2009-09-25 04:37:26 C 21 55 33.54 +09 41 28.6 r 683
2009-09-25 05:10:08 C 21 55 33.00 +09 41 05.9 c 704
2009-09-25 05:27:35 C 21 55 32.67 +09 40 53.0 c 704
2009-09-25 05:45:04 C 21 55 32.36 +09 40 40.0 c 704
2009-09-25 06:02:32 C 21 55 32.03 +09 40 27.3 c 704
2009-09-25 06:20:05 C 21 55 31.71 +09 40 14.5 c 704
2009-09-25 20:22:18 C 21 55 19.61 +09 29 55.6 16.7 r 084
2009-09-25 20:25:35 C 21 55 19.54 +09 29 53.5 16.5 o 084
2009-09-25 23:43:48 C 21 55 16.50 +09 27 29.3 16.9 r 084
2009-09-26 19:37:11 C 21 55 01.79 +09 13 13.8 o B76
2009-09-26 19:54:22 C 21 55 01.55 +09 13 01.2 o B76
2009-09-26 20:06:00 C 21 55 01.40 +09 12 54.2 o B76
2009-09-29 20:16:40 C 21 54 23.74 +08 22 34.4 w 160
2009-09-29 20:20:55 C 21 54 23.70 +08 22 31.6 w 160
2009-09-29 20:24:40 C 21 54 23.68 +08 22 29.0 w 160
2009-10-02 21:50:51 C 21 54 12.53 +07 33 53.4 17.2 r 084
2009-10-02 21:54:08 C 21 54 12.53 +07 33 51.3 17.1 r 084
2009-10-07 21:32:06 C 21 54 50.82 +06 21 06.4 17.8 r 084
2009-10-07 21:35:22 C 21 54 50.81 +06 21 05.2 17.8 r 084
2009-10-08 21:00:29 C 21 55 06.02 +06 07 49.0 17.3 r 084
2009-10-08 21:09:37 C 21 55 06.11 +06 07 44.1 17.3 r 084
2009-10-14 20:07:21 C 21 57 29.34 +04 53 52.1 17.3 o C20
2009-10-14 20:12:27 C 21 57 29.44 +04 53 49.7 17.3 o C20
2009-10-16 19:29:15 C 21 58 35.27 +04 32 05.6 16.9 r 084
2009-10-16 19:32:33 C 21 58 35.35 +04 32 03.2 17.4 r 084
2009-10-16 19:34:01 C 21 58 35.55 +04 32 05.2 c J26
2009-10-16 19:36:53 C 21 58 35.66 +04 32 01.8 c J26
2009-10-16 19:43:47 C 21 58 35.80 +04 31 59.7 c J26
2009-10-16 21:39:10 C 21 58 38.08 +04 31 09.2 17.5 o C20
2009-10-16 21:42:16 C 21 58 38.15 +04 31 07.8 17.5 o C20
2009-10-25 04:04:06 C 22 04 42.88 +03 15 09.1 c 704
2009-10-25 04:43:11 C 22 04 44.22 +03 14 56.8 c 704
2009-10-25 05:02:38 C 22 04 44.90 +03 14 50.5 c 704
2009-11-03 20:03:59 C 22 14 21.67 +02 15 09.6 w 160
2009-11-03 20:07:53 C 22 14 21.84 +02 15 08.9 w 160
2009-11-03 20:11:57 C 22 14 22.04 +02 15 08.1 w 160
2009-11-15 02:37:43 C 22 28 16.71 +01 40 14.0 c 704
2009-11-15 02:55:51 C 22 28 17.70 +01 40 12.6 c 704
2009-11-15 03:13:58 C 22 28 18.60 +01 40 11.5 c 704
2009-11-15 03:32:08 C 22 28 19.66 +01 40 09.8 c 704