IAA RAS IAA Minor Planet Database

433 Eros (A898 PA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2228360000
Semi-major axis (a)1.4581210000 AU
Inclination (i)10.82847000°
Long. of Asc. Node (Ω)304.27010000°
Arg. of Perihelion (ω)178.92976000°
Mean Anomaly (M)310.55432000°
Mean Motion (n)0.5597752900°/day
Perihelion dist (q)1.13319910 AU
Aphelion dist (Q)1.78304290 AU
Orbital Period1.76072020 yr
Physical Parameters
H (abs. magnitude)10.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.620″
Uncertainty0
Orbit TypeAmor
MOID0.148615 AU
Observations Used17363
Oppositions59
Arc Total1893-2026
First Observation Used—
Last Observation Used2026-03-22
Observations (20369)
Date Type RA Dec Mag Band Observatory
2021-06-16 20:24:01 S 17 46 50.750 -39 58 02.32 – V C57
2021-06-16 20:24:01 s 1 +12806.237 0 +403579.85 1940.0 – C57
2021-06-16 20:34:01 S 17 46 49.982 -39 57 57.82 – V C57
2021-06-16 20:34:01 s 1 +12447.913 0 +403636.84 3920.0 – C57
2021-06-16 20:44:01 S 17 46 49.054 -39 57 52.42 – V C57
2021-06-16 20:44:01 s 1 +12089.568 0 +403692.96 5820.0 – C57
2021-06-16 20:54:01 S 17 46 48.274 -39 57 48.64 – V C57
2021-06-16 20:54:01 s 1 +11731.203 0 +403748.20 7620.0 – C57
2021-06-16 21:04:01 S 17 46 47.345 -39 57 44.86 – V C57
2021-06-16 21:04:01 s 1 +11372.819 0 +403802.55 9330.0 – C57
2021-06-16 21:14:01 S 17 46 46.574 -39 57 41.04 – V C57
2021-06-16 21:14:01 s 1 +11014.416 0 +403856.04 950.0 – C57
2021-06-16 21:24:01 S 17 46 45.660 -39 57 35.96 – V C57
2021-06-16 21:24:01 s 1 +10655.995 0 +403908.64 2460.0 – C57
2021-06-16 21:34:01 S 17 46 44.875 -39 57 31.25 – V C57
2021-06-16 21:34:01 s 1 +10297.558 0 +403960.36 3870.0 – C57
2021-06-16 21:44:01 S 17 46 43.973 -39 57 27.36 – V C57
2021-06-16 21:54:01 S 17 46 43.166 -39 57 23.69 – V C57
2021-06-16 22:04:01 S 17 46 42.293 -39 57 19.66 – V C57
2021-06-16 22:14:01 S 17 46 41.467 -39 57 14.29 – V C57
2021-06-16 22:24:01 S 17 46 40.634 -39 57 09.86 – V C57
2021-06-16 22:34:01 S 17 46 39.756 -39 57 06.12 – V C57
2021-06-16 22:44:01 S 17 46 38.947 -39 57 02.41 – V C57
2021-06-16 22:54:01 S 17 46 38.050 -39 56 58.02 – V C57
2021-06-16 23:04:01 S 17 46 37.279 -39 56 52.66 – V C57
2021-06-16 23:34:01 S 17 46 34.651 -39 56 41.06 – V C57
2021-06-16 23:44:01 S 17 46 33.881 -39 56 36.35 – V C57
2021-06-16 23:54:01 S 17 46 32.969 -39 56 31.13 – V C57
2021-06-17 00:14:01 S 17 46 31.260 -39 56 23.68 – V C57
2021-06-17 00:24:01 S 17 46 30.480 -39 56 19.61 – V C57
2021-06-17 00:34:01 S 17 46 29.585 -39 56 14.32 – V C57
2021-06-17 00:44:01 S 17 46 28.774 -39 56 09.85 – V C57
2021-06-17 00:54:01 S 17 46 27.902 -39 56 06.11 – V C57
2021-06-17 01:04:01 S 17 46 27.065 -39 56 02.36 – V C57
2021-06-17 01:14:01 S 17 46 26.232 -39 55 58.19 – V C57
2021-06-17 01:24:01 S 17 46 25.370 -39 55 52.72 – V C57
2021-06-17 01:34:01 S 17 46 24.576 -39 55 48.54 – V C57
2021-06-17 01:44:01 S 17 46 23.666 -39 55 44.83 – V C57
2021-06-17 01:54:01 S 17 46 22.889 -39 55 41.23 – V C57
2021-06-17 02:04:01 S 17 46 21.974 -39 55 36.41 – V C57
2021-06-17 02:14:01 S 17 46 21.199 -39 55 31.26 – V C57
2021-06-17 02:24:01 S 17 46 20.285 -39 55 27.30 – V C57
2021-06-17 02:34:01 S 17 46 19.495 -39 55 23.74 – V C57
2021-06-17 02:44:01 S 17 46 18.586 -39 55 19.70 – V C57
2021-06-17 03:04:01 S 17 46 16.850 -39 55 09.98 – V C57
2021-06-17 03:14:01 S 17 46 16.039 -39 55 06.17 – V C57
2021-06-17 03:24:01 S 17 46 15.173 -39 55 02.89 – V C57
2021-06-17 03:34:01 S 17 46 14.474 -39 54 57.02 – V C57
2021-06-17 03:44:01 S 17 46 13.577 -39 54 52.81 – V C57
2021-06-17 03:54:01 S 17 46 12.751 -39 54 48.17 – V C57
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1975-01-22.187500 15088536000 15000 us 430 251 251
1975-01-23.184028 -130 200 Hz 430 251 251
1975-01-23.291667 243000 1500 Hz 8495 253 253
1988-12-02.979167 -3988900 1000 Hz 2380 251 251