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
1973-05-03 21:27:59 A 19 09 56.95 -49 47 17.2 12.0 076
1973-05-03 21:38:00 A 19 09 59.76 -49 46 33.2 12.0 076
1973-05-28 07:54:59 A 20 00 57.35 -12 35 04.2 808
1973-05-30 06:16:11 A 20 01 24.49 -10 09 25.1 A 801
1973-05-30 07:22:48 A 20 01 23.88 -10 05 59.7 A 801
1973-05-31 10:07:30 A 20 01 29.15 -08 44 48.6 693
1973-05-31 10:20:29 A 20 01 28.94 -08 44 09.8 693
1973-06-03 06:37:11 A 20 01 15.21 -05 29 50.4 14.0 A 801
1973-06-10 06:25:30 A 19 58 17.79 +01 12 47.0 808
1973-06-10 06:49:30 A 19 58 16.77 +01 13 36.6 808
1973-06-27 23:55:00 A 19 41 44.20 +10 46 50.7 13.8 056
1973-06-28 00:29:00 A 19 41 42.29 +10 47 14.5 056
1973-07-03 04:36:20 A 19 35 58.04 +11 54 39.8 15.0 A 801
1973-07-03 04:56:00 A 19 35 56.98 +11 54 47.3 A 801
1973-08-04 03:49:59 A 19 15 52.41 +09 04 53.6 808
1973-08-04 04:23:59 A 19 15 52.19 +09 04 32.9 808
1973-09-04 04:38:00 A 19 34 28.97 +01 39 26.9 693
1973-09-04 04:59:00 A 19 34 29.85 +01 39 16.0 693
1973-09-27 01:30:37 A 20 05 44.96 -02 09 48.9 18.0 A 801
1973-09-29 02:26:59 A 20 09 00.68 -02 24 16.0 693
1973-09-29 03:02:14 A 20 09 02.99 -02 24 26.4 693
1973-11-21 01:41:50 A 21 47 18.73 -03 19 58.8 695
1973-11-21 02:15:14 A 21 47 21.45 -03 19 53.4 695
1975-07-14 10:21:05 A 01 50 31.97 +21 10 25.2 695
1975-07-14 10:53:10 A 01 50 34.20 +21 10 40.7 695
1975-08-08 09:51:43 A 02 27 55.00 +25 14 20.5 695
1975-08-08 10:24:29 A 02 27 56.65 +25 14 32.0 695
1975-10-04 07:07:59 A 02 39 03.93 +27 36 31.8 693
1975-10-04 07:52:59 A 02 39 01.64 +27 36 20.9 693
1975-10-07 04:59:05 A 02 35 31.45 +27 17 34.1 A 801
1975-11-03 04:50:59 A 01 52 43.22 +21 39 39.3 693
1975-11-03 05:41:59 A 01 52 39.74 +21 39 04.7 693
1977-11-18 07:42:33 A 07 23 02.69 +17 46 49.0 A 801
1977-12-11 05:55:32 A 07 12 36.48 +13 47 54.8 A 801
1978-01-11 05:51:19 A 06 18 27.96 +08 36 18.3 A 801
1978-01-16 14:30:00 A 06 08 31.91 +08 00 24.6 323
1980-09-13 11:50:02 A 00 17 32.83 +23 15 04.5 675
1980-09-13 12:17:01 A 00 17 31.52 +23 14 55.0 675
1980-10-13 20:51:00 A 23 34 49.42 +14 59 39.1 17.3 511
1980-10-13 21:13:59 A 23 34 48.58 +14 59 22.6 511
1980-10-13 21:36:59 A 23 34 47.72 +14 59 06.4 511
1980-10-19 10:21:01 A 23 30 34.15 +13 22 04.4 675
1982-09-14 11:50:36 A 04 47 25.39 +27 35 12.7 675
1982-11-14 07:55:26 A 04 46 39.13 +24 03 15.5 A 801
1982-12-16 06:00:59 03 50 57.74 +17 48 37.1 q 261
1982-12-16 06:20:59 03 50 56.48 +17 48 27.3 q 261
1982-12-18 03:22:02 A 03 48 16.57 +17 26 51.2 A 801
1985-02-22 07:59:38 A 13 49 39.38 -41 18 20.0 808
1985-02-22 08:42:31 A 13 49 46.80 -41 19 20.4 808
1985-02-24 08:15:12 A 13 58 38.81 -42 25 53.6 808