IAA RAS IAA Minor Planet Database

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
2018-12-16 19:14:39 S 05 38 59.983 +16 37 25.82 – V C57
2018-12-16 19:14:39 s 1 +11914.756 0 +363995.98 9070.0 – C57
2018-12-16 19:44:39 S 05 38 57.300 +16 37 12.90 – V C57
2018-12-16 19:44:39 s 1 +10925.482 0 +364563.24 6140.0 – C57
2018-12-16 20:14:39 S 05 38 54.758 +16 37 01.31 – V C57
2018-12-16 20:44:39 S 05 38 52.104 +16 36 48.74 – V C57
2018-12-16 21:14:39 S 05 38 49.579 +16 36 36.22 – V C57
2018-12-16 21:44:39 S 05 38 46.944 +16 36 24.26 – V C57
2018-12-16 22:14:39 S 05 38 44.321 +16 36 12.17 – V C57
2018-12-16 22:44:39 S 05 38 41.818 +16 36 01.12 – V C57
2018-12-16 23:14:39 S 05 38 39.175 +16 35 47.54 – V C57
2018-12-16 23:44:39 S 05 38 36.595 +16 35 37.00 – V C57
2018-12-17 00:14:39 S 05 38 33.965 +16 35 23.89 – V C57
2018-12-17 00:44:39 S 05 38 31.351 +16 35 12.80 – V C57
2018-12-17 01:14:39 S 05 38 28.795 +16 34 59.74 – V C57
2018-12-17 01:44:39 S 05 38 26.208 +16 34 48.76 – V C57
2018-12-17 02:14:39 S 05 38 23.623 +16 34 36.08 – V C57
2018-12-17 02:44:39 S 05 38 20.976 +16 34 23.81 – V C57
2018-12-17 03:14:39 S 05 38 18.487 +16 34 12.68 – V C57
2018-12-17 03:44:39 S 05 38 15.814 +16 33 59.76 – V C57
2018-12-17 04:14:39 S 05 38 13.224 +16 33 48.82 – V C57
2018-12-17 04:44:39 S 05 38 10.536 +16 33 35.35 – V C57
2018-12-17 05:14:39 S 05 38 08.016 +16 33 25.02 – V C57
2018-12-17 05:44:39 S 05 38 05.424 +16 33 11.77 – V C57
2018-12-17 06:14:39 S 05 38 02.844 +16 33 00.36 – V C57
2018-12-17 06:44:39 S 05 38 00.226 +16 32 47.18 – V C57
2018-12-17 06:44:39 s 1 -10872.691 0 +374695.39 5950.0 – C57
2018-12-17 07:14:39 S 05 37 57.600 +16 32 35.48 – V C57
2018-12-17 07:14:39 s 1 -11862.761 0 +375050.85 4960.0 – C57
2018-12-17 07:44:39 S 05 37 55.018 +16 32 24.32 – V C57
2018-12-17 07:44:39 s 1 -12852.572 0 +375397.29 5100.0 – C57
2018-12-17 08:14:39 S 05 37 52.409 +16 32 11.29 – V C57
2018-12-17 08:14:39 s 1 -13842.101 0 +375734.74 6540.0 – C57
2018-12-17 08:44:39 S 05 37 49.814 +16 32 00.02 – V C57
2018-12-17 08:44:39 s 1 -14831.324 0 +376063.21 9420.0 – C57
2018-12-17 09:44:39 S 05 37 44.750 +16 31 36.52 – V C57
2018-12-17 09:44:39 s 1 -16808.760 0 +376693.25 80.0 – C57
2018-12-17 10:14:39 S 05 37 42.007 +16 31 21.90 – V C57
2018-12-17 10:14:39 s 1 -17796.926 0 +376994.85 8170.0 – C57
2018-12-17 10:44:39 S 05 37 39.492 +16 31 11.75 – V C57
2018-12-17 10:44:39 s 1 -18784.695 0 +377287.53 8290.0 – C57
2018-12-17 11:14:39 S 05 37 36.862 +16 30 58.75 – V C57
2018-12-17 11:14:39 s 1 -19772.043 0 +377571.29 580.0 – C57
2018-12-17 11:44:39 S 05 37 34.248 +16 30 47.41 – V C57
2018-12-17 11:44:39 s 1 -20758.948 0 +377846.14 5200.0 – C57
2018-12-17 12:14:39 S 05 37 31.654 +16 30 34.45 – V C57
2018-12-17 12:14:39 s 1 -21745.386 0 +378112.11 2290.0 – C57
2018-12-17 12:44:39 S 05 37 29.131 +16 30 24.16 – V C57
2018-12-17 12:44:39 s 1 -22731.336 0 +378369.20 1990.0 – C57
2018-12-17 13:14:39 S 05 37 26.436 +16 30 10.30 – V C57