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
2021-06-17 04:04:01 S 17 46 11.868 -39 54 44.60 – V C57
2021-06-17 04:14:01 S 17 46 10.992 -39 54 41.22 – V C57
2021-06-17 04:24:01 S 17 46 10.198 -39 54 36.76 – V C57
2021-06-17 04:34:01 S 17 46 09.288 -39 54 31.25 – V C57
2021-06-17 04:44:01 S 17 46 08.506 -39 54 27.36 – V C57
2021-06-17 04:54:01 S 17 46 07.584 -39 54 23.65 – V C57
2021-06-17 05:04:01 S 17 46 06.814 -39 54 19.87 – V C57
2021-06-17 05:14:01 S 17 46 05.894 -39 54 14.80 – V C57
2021-06-17 05:24:01 S 17 46 05.124 -39 54 09.94 – V C57
2021-06-17 05:34:01 S 17 46 04.202 -39 54 05.98 – V C57
2021-06-17 05:44:01 S 17 46 03.415 -39 54 02.38 – V C57
2021-06-17 05:54:01 S 17 46 02.503 -39 53 58.34 – V C57
2021-06-17 06:04:01 S 17 46 01.711 -39 53 53.12 – V C57
2021-06-17 07:04:01 S 17 45 56.650 -39 53 27.28 – V C57
2021-06-17 07:04:01 s 1 -10135.146 0 +405462.79 9830.0 – C57
2021-06-17 07:14:01 S 17 45 55.846 -39 53 23.82 – V C57
2021-06-17 07:14:01 s 1 -10493.193 0 +405463.86 1840.0 – C57
2021-06-17 07:24:01 S 17 45 54.938 -39 53 19.90 – V C57
2021-06-17 07:24:01 s 1 -10851.209 0 +405464.07 3620.0 – C57
2021-06-17 07:34:01 S 17 45 54.170 -39 53 15.36 – V C57
2021-06-17 07:34:01 s 1 -11209.195 0 +405463.40 5170.0 – C57
2021-06-17 07:44:01 S 17 45 53.251 -39 53 09.89 – V C57
2021-06-17 07:44:01 s 1 -11567.149 0 +405461.86 6500.0 – C57
2021-06-17 07:54:01 S 17 45 52.469 -39 53 06.11 – V C57
2021-06-17 07:54:01 s 1 -11925.071 0 +405459.46 7600.0 – C57
2021-06-17 08:04:01 S 17 45 51.547 -39 53 02.33 – V C57
2021-06-17 08:04:01 s 1 -12282.959 0 +405456.19 8470.0 – C57
2021-06-17 08:14:01 S 17 45 50.777 -39 52 58.51 – V C57
2021-06-17 08:14:01 s 1 -12640.814 0 +405452.04 9100.0 – C57
2021-06-17 08:24:01 S 17 45 49.855 -39 52 53.36 – V C57
2021-06-17 08:24:01 s 1 -12998.634 0 +405447.03 9500.0 – C57
2021-06-17 08:34:01 S 17 45 49.073 -39 52 48.58 – V C57
2021-06-17 08:34:01 s 1 -13356.418 0 +405441.15 9660.0 – C57
2021-06-17 08:44:01 S 17 45 48.178 -39 52 44.72 – V C57
2021-06-17 08:44:01 s 1 -13714.166 0 +405434.40 9580.0 – C57
2021-06-17 08:54:01 S 17 45 47.364 -39 52 41.09 – V C57
2021-06-17 08:54:01 s 1 -14071.876 0 +405426.78 9260.0 – C57
2021-06-17 09:04:01 S 17 45 46.507 -39 52 37.06 – V C57
2021-06-17 09:04:01 s 1 -14429.549 0 +405418.29 8700.0 – C57
2021-06-17 09:14:01 S 17 45 45.670 -39 52 31.62 – V C57
2021-06-17 09:14:01 s 1 -14787.183 0 +405408.94 7890.0 – C57
2021-06-17 09:24:01 S 17 45 44.851 -39 52 27.08 – V C57
2021-06-17 09:24:01 s 1 -15144.778 0 +405398.71 6830.0 – C57
2021-06-17 09:34:01 S 17 45 43.968 -39 52 23.34 – V C57
2021-06-17 09:34:01 s 1 -15502.332 0 +405387.62 5530.0 – C57
2021-06-17 09:44:01 S 17 45 43.174 -39 52 19.85 – V C57
2021-06-17 09:44:01 s 1 -15859.845 0 +405375.66 3970.0 – C57
2021-06-17 09:54:01 S 17 45 42.269 -39 52 15.31 – V C57
2021-06-17 09:54:01 s 1 -16217.317 0 +405362.83 2150.0 – C57
2021-06-17 10:04:01 S 17 45 41.498 -39 52 09.91 – 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