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
1968-06-03 10:27:59 A 23 18 08.00 +05 54 31.5 675
1973-03-10 04:49:39 A 12 27 45.72 -50 36 36.2 808
1973-03-10 06:53:19 A 12 27 55.68 -50 40 04.3 808
1973-03-13 03:38:00 A 12 35 00.38 -52 39 33.0 808
1973-03-13 03:54:59 A 12 35 02.04 -52 40 03.1 15.0 808
1973-03-14 05:15:00 A 12 37 51.03 -53 23 56.1 808
1973-03-14 05:37:00 A 12 37 53.19 -53 24 34.3 808
1973-03-16 03:11:59 A 12 43 24.62 -54 42 51.9 808
1973-03-16 03:35:59 A 12 43 27.28 -54 43 34.1 808
1973-03-23 03:00:00 A 13 09 03.85 -59 22 58.4 808
1973-03-23 03:24:00 A 13 09 07.96 -59 23 40.1 808
1973-03-27 03:00:00 A 13 28 59.65 -61 52 15.7 808
1973-03-27 03:24:00 A 13 29 04.81 -61 52 54.1 808
1973-03-29 03:14:43 A 13 40 55.41 -63 02 10.7 805
1973-03-29 03:21:43 A 13 40 57.11 -63 02 20.5 805
1973-03-29 03:28:43 A 13 40 58.58 -63 02 29.4 805
1973-03-29 03:37:14 A 13 41 00.57 -63 02 39.6 805
1973-04-05 13:20:08 A 14 38 54.65 -66 28 24.4 474
1973-04-06 02:23:59 A 14 44 12.78 -66 38 48.8 808
1973-04-06 02:48:01 A 14 44 22.08 -66 39 11.3 808
1973-04-06 12:53:22 A 14 48 24.99 -66 46 49.0 474
1973-04-07 06:45:25 A 14 55 51.44 -66 59 15.5 805
1973-04-07 06:52:24 A 14 55 54.17 -66 59 17.6 805
1973-04-07 06:59:24 A 14 55 56.85 -66 59 23.6 805
1973-04-07 07:07:25 A 14 56 00.03 -66 59 28.7 805
1973-04-08 06:48:23 A 15 06 18.23 -67 13 01.8 805
1973-04-08 06:55:22 A 15 06 21.15 -67 13 04.5 805
1973-04-08 07:02:22 A 15 06 23.79 -67 13 06.6 805
1973-04-08 07:09:22 A 15 06 26.70 -67 13 09.8 805
1973-04-08 07:16:22 A 15 06 29.55 -67 13 12.6 805
1973-04-08 07:23:22 A 15 06 32.48 -67 13 14.9 805
1973-04-08 07:30:23 A 15 06 35.23 -67 13 17.9 805
1973-04-08 07:41:23 A 15 06 39.67 -67 13 21.8 805
1973-04-09 11:01:06 A 15 19 08.54 -67 24 26.1 474
1973-04-11 04:02:00 A 15 38 30.83 -67 33 01.3 808
1973-04-11 04:25:59 A 15 38 41.77 -67 33 05.6 808
1973-04-12 12:30:01 A 15 54 20.15 -67 31 24.3 485
1973-04-12 13:06:01 A 15 54 37.11 -67 31 21.4 485
1973-04-17 11:15:01 A 16 53 20.59 -66 16 53.1 485
1973-04-17 11:48:02 A 16 53 35.78 -66 16 22.7 485
1973-04-23 05:10:59 A 17 54 46 -62 29.3 808
1973-04-23 05:35:59 A 17 54 56 -62 28.4 808
1973-04-27 20:46:30 A 18 33 46.41 -57 42 54.0 12.5 076
1973-04-27 20:56:30 A 18 33 51.22 -57 42 20.9 12.5 076
1973-04-27 21:04:59 A 18 33 52.82 -57 42 04.7 12.5 076
1973-04-27 21:15:00 A 18 33 55.92 -57 41 28.3 12.5 076
1973-05-01 06:45:00 A 18 56 01 -53 26.1 808
1973-05-01 06:54:00 A 18 56 03.26 -53 25 33.5 808
1973-05-03 21:09:59 A 19 09 53.43 -49 48 19.6 12.0 076
1973-05-03 21:20:00 A 19 09 56.42 -49 47 33.4 12.0 076