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
2018-12-20 09:44:39 S 05 31 32.868 +16 01 58.62 V C57
2018-12-20 09:44:39 s 1 -144234.45 6 +331286.58 7300.0 C57
2018-12-20 10:14:39 S 05 31 30.346 +16 01 45.44 V C57
2018-12-20 10:14:39 s 1 -144931.65 8 +330345.61 3850.0 C57
2018-12-20 10:44:39 S 05 31 27.761 +16 01 32.52 V C57
2018-12-20 10:44:39 s 1 -145624.89 1 +329395.70 8230.0 C57
2018-12-20 11:14:39 S 05 31 25.241 +16 01 20.53 V C57
2018-12-20 11:14:39 s 1 -146314.11 7 +328436.84 240.0 C57
2018-12-20 11:44:39 S 05 31 22.646 +16 01 07.28 V C57
2018-12-20 11:44:39 s 1 -146999.31 0 +327469.05 9690.0 C57
2018-12-20 12:14:39 S 05 31 20.177 +16 00 54.50 V C57
2018-12-20 12:14:39 s 1 -147681.12 9 +326494.89 5350.0 C57
2018-12-20 12:44:39 S 05 31 17.578 +16 00 41.90 V C57
2018-12-20 12:44:39 s 1 -148358.11 6 +325509.12 9120.0 C57
2018-12-20 13:14:39 S 05 31 15.086 +16 00 29.59 V C57
2018-12-20 13:14:39 s 1 -149030.94 7 +324514.33 9750.0 C57
2018-12-20 13:44:39 S 05 31 12.463 +16 00 16.06 V C57
2018-12-20 13:44:39 s 1 -149699.58 3 +323510.53 7050.0 C57
2018-12-20 14:14:39 S 05 31 10.030 +16 00 03.64 V C57
2018-12-20 14:14:39 s 1 -150363.98 7 +322497.69 800.0 C57
2018-12-20 14:44:39 S 05 31 07.471 +15 59 50.60 V C57
2018-12-20 14:44:39 s 1 -151024.11 8 +321475.80 810.0 C57
2018-12-20 15:14:39 S 05 31 04.927 +15 59 39.08 V C57
2018-12-20 15:14:39 s 1 -151679.93 7 +320444.84 6870.0 C57
2018-12-20 15:44:39 S 05 31 02.338 +15 59 25.48 V C57
2018-12-20 15:44:39 s 1 -152331.40 5 +319404.80 8770.0 C57
2018-12-20 16:14:39 S 05 30 59.779 +15 59 12.37 V C57
2018-12-20 16:14:39 s 1 -152978.48 0 +318355.67 6300.0 C57
2018-12-20 16:44:39 S 05 30 57.317 +15 58 59.66 V C57
2018-12-20 16:44:39 s 1 -153621.12 3 +317297.42 9260.0 C57
2018-12-20 18:14:39 S 05 30 49.658 +15 58 21.14 V C57
2018-12-20 18:14:39 s 1 -155522.04 0 +314067.86 8490.0 C57
2018-12-20 18:44:39 S 05 30 47.131 +15 58 08.58 V C57
2018-12-20 18:44:39 s 1 -156146.53 6 +312973.02 960.0 C57
2018-12-20 19:14:39 S 05 30 44.681 +15 57 55.91 V C57
2018-12-20 19:14:39 s 1 -156766.38 8 +311868.98 7760.0 C57
2018-12-20 19:44:39 S 05 30 42.146 +15 57 44.14 V C57
2018-12-20 19:44:39 s 1 -157381.55 3 +310755.73 8660.0 C57
2018-12-20 20:44:39 S 05 30 37.013 +15 57 17.96 V C57
2018-12-20 20:44:39 s 1 -158597.64 8 +308501.55 1840.0 C57
2018-12-20 21:14:39 S 05 30 34.555 +15 57 05.47 V C57
2018-12-20 21:14:39 s 1 -159198.48 7 +307360.57 3660.0 C57
2018-12-20 21:44:39 S 05 30 32.011 +15 56 52.44 V C57
2018-12-20 21:44:39 s 1 -159794.46 1 +306210.32 8650.0 C57
2018-12-20 22:14:39 S 05 30 29.539 +15 56 40.42 V C57
2018-12-20 22:14:39 s 1 -160385.52 4 +305050.77 6580.0 C57
2018-12-20 22:44:39 S 05 30 26.930 +15 56 25.76 V C57
2018-12-20 22:44:39 s 1 -160971.62 9 +303881.91 7200.0 C57
2018-12-20 23:14:39 S 05 30 24.492 +15 56 14.10 V C57
2018-12-20 23:14:39 s 1 -161552.72 8 +302703.72 260.0 C57