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
2018-12-19 18:44:39 S 05 32 49.620 +16 08 15.14 V C57
2018-12-19 18:44:39 s 1 -121640.51 4 +355415.61 1610.0 C57
2018-12-19 19:14:39 S 05 32 46.963 +16 08 03.16 V C57
2018-12-19 19:14:39 s 1 -122441.36 4 +354737.71 2310.0 C57
2018-12-19 19:44:39 S 05 32 44.448 +16 07 50.74 V C57
2018-12-19 19:44:39 s 1 -123239.20 2 +354051.17 5880.0 C57
2018-12-19 20:14:39 S 05 32 41.957 +16 07 38.60 V C57
2018-12-19 20:14:39 s 1 -124034.00 0 +353355.98 2150.0 C57
2018-12-19 23:14:39 S 05 32 26.453 +16 06 23.11 V C57
2018-12-19 23:14:39 s 1 -128737.32 9 +349002.92 8250.0 C57
2018-12-19 23:44:39 S 05 32 23.947 +16 06 11.84 V C57
2018-12-19 23:44:39 s 1 -129510.03 4 +348247.01 9220.0 C57
2018-12-20 00:14:39 S 05 32 21.382 +16 05 58.85 V C57
2018-12-20 00:14:39 s 1 -130279.46 4 +347482.39 1670.0 C57
2018-12-20 00:44:39 S 05 32 18.833 +16 05 46.68 V C57
2018-12-20 00:44:39 s 1 -131045.58 8 +346709.05 5420.0 C57
2018-12-20 01:14:39 S 05 32 16.277 +16 05 32.82 V C57
2018-12-20 01:14:39 s 1 -131808.37 7 +345926.98 330.0 C57
2018-12-20 01:44:39 S 05 32 13.718 +16 05 19.50 V C57
2018-12-20 01:44:39 s 1 -132567.79 9 +345136.18 6230.0 C57
2018-12-20 02:14:39 S 05 32 11.090 +16 05 07.22 V C57
2018-12-20 02:14:39 s 1 -133323.82 3 +344336.62 2940.0 C57
2018-12-20 02:44:39 S 05 32 08.594 +16 04 55.06 V C57
2018-12-20 02:44:39 s 1 -134076.41 8 +343528.31 320.0 C57
2018-12-20 03:14:39 S 05 32 06.084 +16 04 41.66 V C57
2018-12-20 03:14:39 s 1 -134825.55 2 +342711.24 8190.0 C57
2018-12-20 03:44:39 S 05 32 03.434 +16 04 29.06 V C57
2018-12-20 03:44:39 s 1 -135571.19 3 +341885.38 6390.0 C57
2018-12-20 04:14:39 S 05 32 00.902 +16 04 17.36 V C57
2018-12-20 04:14:39 s 1 -136313.30 9 +341050.74 4740.0 C57
2018-12-20 04:44:39 S 05 31 58.548 +16 04 05.02 V C57
2018-12-20 04:44:39 s 1 -137051.86 8 +340207.31 3080.0 C57
2018-12-20 05:14:39 S 05 31 55.754 +16 03 51.37 V C57
2018-12-20 05:14:39 s 1 -137786.83 7 +339355.06 1240.0 C57
2018-12-20 05:44:39 S 05 31 53.162 +16 03 38.84 V C57
2018-12-20 05:44:39 s 1 -138518.18 3 +338493.99 9030.0 C57
2018-12-20 06:14:39 S 05 31 50.623 +16 03 26.14 V C57
2018-12-20 06:14:39 s 1 -139245.87 2 +337624.10 6300.0 C57
2018-12-20 06:44:39 S 05 31 48.137 +16 03 14.11 V C57
2018-12-20 06:44:39 s 1 -139969.87 1 +336745.36 2860.0 C57
2018-12-20 07:14:39 S 05 31 45.622 +16 03 01.69 V C57
2018-12-20 07:14:39 s 1 -140690.14 6 +335857.76 8530.0 C57
2018-12-20 07:44:39 S 05 31 43.142 +16 02 48.66 V C57
2018-12-20 07:44:39 s 1 -141406.66 3 +334961.30 3140.0 C57
2018-12-20 08:14:39 S 05 31 40.459 +16 02 35.81 V C57
2018-12-20 08:14:39 s 1 -142119.38 8 +334055.97 6500.0 C57
2018-12-20 08:44:39 S 05 31 37.968 +16 02 24.00 V C57
2018-12-20 08:44:39 s 1 -142828.28 5 +333141.74 8440.0 C57
2018-12-20 09:14:39 S 05 31 35.467 +16 02 11.54 V C57
2018-12-20 09:14:39 s 1 -143533.31 9 +332218.62 8760.0 C57