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
1997-09-06 01:26:45 C 21 16 13.06 +10 41 21.7 z 844
1997-09-06 01:44:40 C 21 16 12.46 +10 41 08.6 z 844
1997-09-06 01:46:11 C 21 16 12.42 +10 41 07.1 z 844
1997-09-06 01:51:31 C 21 16 12.29 +10 41 03.2 z 844
1997-09-06 20:22:24 C 21 15 44.00 +10 26 38.2 z 610
1997-09-06 20:27:23 C 21 15 43.86 +10 26 34.2 z 610
1997-09-06 20:32:23 C 21 15 43.73 +10 26 30.2 z 610
1997-09-08 21:28:35 C 21 14 37.33 +09 49 24.2 z 046
1997-09-08 21:31:37 C 21 14 37.26 +09 49 21.9 z 046
1997-09-08 21:34:31 C 21 14 37.19 +09 49 19.8 z 046
1997-09-09 09:42:46 C 21 14 22.54 +09 40 19.7 16.1 625
1997-09-09 11:25:23 C 21 14 20.22 +09 39 01.5 15.9 625
1997-09-09 21:47:15 C 21 14 09.42 +09 31 08.1 z 118
1997-09-09 21:55:48 C 21 14 09.25 +09 31 01.6 z 118
1997-09-12 22:03:12 C 21 13 06.13 +08 37 37.3 z 118
1997-09-12 22:13:54 C 21 13 05.95 +08 37 29.1 z 118
1997-09-19 19:49:50 C 21 12 26.52 +06 41 30.6 z 631
1997-09-19 23:20:55 C 21 12 26.69 +06 39 09.2 z 631
1997-09-22 20:55:41 C 21 12 52.35 +05 54 00.1 z 631
1997-09-22 21:49:09 C 21 12 52.69 +05 53 26.9 z 631
1997-09-24 03:13:27 C 21 13 10.82 +05 35 09.6 z 700
1997-09-24 03:22:15 C 21 13 10.87 +05 35 04.1 z 700
1997-09-24 03:37:16 C 21 13 10.99 +05 34 54.9 z 700
1997-09-24 03:44:24 C 21 13 11.05 +05 34 50.3 z 700
1997-09-24 04:08:13 C 21 13 11.25 +05 34 35.9 z 700
1997-09-24 20:28:40 C 21 13 22.72 +05 24 33.6 z 118
1997-09-24 20:47:54 C 21 13 22.91 +05 24 21.7 z 118
1997-09-25 19:11:22 C 21 13 41.09 +05 10 52.8 z 046
1997-09-25 19:14:30 C 21 13 41.13 +05 10 51.0 z 046
1997-09-25 19:18:29 C 21 13 41.18 +05 10 48.7 z 046
1997-09-27 20:04:13 C 21 14 27.74 +04 42 22.4 z 118
1997-09-27 20:12:32 C 21 14 27.87 +04 42 17.6 z 118
1997-10-01 02:55:19 C 21 16 05.03 +03 59 10.1 z 700
1997-10-01 03:53:53 C 21 16 06.19 +03 58 38.7 z 700
1997-10-01 04:05:07 C 21 16 06.44 +03 58 33.8 z 700
1997-10-03 03:54:04 C 21 17 17.78 +03 34 02.5 z 700
1997-10-03 04:03:31 C 21 17 17.96 +03 33 58.3 z 700
1997-10-03 04:34:45 C 21 17 18.75 +03 33 42.7 z 700
1997-10-06 20:48:20 C 21 19 53.38 +02 51 54.9 z 118
1997-10-06 20:59:49 C 21 19 53.70 +02 51 49.7 z 118
1999-09-18 09:46:29 C 03 34 40.24 +28 34 06.1 643
1999-09-18 11:04:30 C 03 34 40.80 +28 34 10.2 643
1999-10-05 07:57:10 C 03 31 27.57 +28 20 22.7 17.9 a 704
1999-10-05 08:16:39 C 03 31 27.04 +28 20 20.4 17.9 a 704
1999-10-05 08:36:15 C 03 31 26.44 +28 20 17.7 a 704
1999-10-05 08:56:30 C 03 31 25.84 +28 20 15.4 a 704
1999-10-05 09:16:15 C 03 31 25.29 +28 20 13.5 a 704
1999-10-12 06:39:38 C 03 25 45.98 +27 51 18.2 a 704
1999-10-12 06:59:57 C 03 25 45.09 +27 51 13.8 a 704
1999-10-12 07:20:54 C 03 25 44.17 +27 51 08.9 a 704