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 10:04:01 s 1 -16574.746 0 +405349.13 90.0 – C57
2021-06-17 10:14:01 S 17 45 40.584 -39 52 05.77 – V C57
2021-06-17 10:14:01 s 1 -16932.131 0 +405334.57 7760.0 – C57
2021-06-17 10:24:01 S 17 45 39.799 -39 52 02.28 – V C57
2021-06-17 10:24:01 s 1 -17289.472 0 +405319.13 5170.0 – C57
2021-06-17 10:34:01 S 17 45 38.873 -39 51 58.32 – V C57
2021-06-17 10:34:01 s 1 -17646.768 0 +405302.83 2320.0 – C57
2021-06-17 10:44:01 S 17 45 38.114 -39 51 53.68 – V C57
2021-06-17 10:44:01 s 1 -18004.019 0 +405285.66 9210.0 – C57
2021-06-17 10:54:01 S 17 45 37.198 -39 51 48.38 – V C57
2021-06-17 10:54:01 s 1 -18361.223 0 +405267.62 5830.0 – C57
2021-06-17 11:04:01 S 17 45 36.408 -39 51 44.64 – V C57
2021-06-17 11:04:01 s 1 -18718.379 0 +405248.72 2180.0 – C57
2021-06-17 11:14:01 S 17 45 35.503 -39 51 40.97 – V C57
2021-06-17 11:14:01 s 1 -19075.488 0 +405228.94 8260.0 – C57
2021-06-17 11:24:01 S 17 45 34.709 -39 51 36.90 – V C57
2021-06-17 11:24:01 s 1 -19432.547 0 +405208.30 4070.0 – C57
2021-06-17 11:44:01 S 17 45 33.012 -39 51 26.96 – V C57
2021-06-17 11:44:01 s 1 -20146.517 0 +405164.42 4860.0 – C57
2021-06-17 11:54:01 S 17 45 32.165 -39 51 23.22 – V C57
2021-06-17 11:54:01 s 1 -20503.425 0 +405141.17 9840.0 – C57
2021-06-17 12:04:01 S 17 45 31.313 -39 51 19.51 – V C57
2021-06-17 12:04:01 s 1 -20860.281 0 +405117.06 4530.0 – C57
2021-06-17 12:14:01 S 17 45 30.502 -39 51 15.52 – V C57
2021-06-17 12:14:01 s 1 -21217.084 0 +405092.08 8950.0 – C57
2021-06-17 12:24:01 S 17 45 29.616 -39 51 09.86 – V C57
2021-06-17 12:24:01 s 1 -21573.834 0 +405066.24 3080.0 – C57
2021-06-17 12:34:01 S 17 45 28.831 -39 51 05.69 – V C57
2021-06-17 12:34:01 s 1 -21930.529 0 +405039.52 6920.0 – C57
2021-06-17 12:44:01 S 17 45 27.924 -39 51 01.94 – V C57
2021-06-17 12:44:01 s 1 -22287.169 0 +405011.94 470.0 – C57
2021-06-17 12:54:01 S 17 45 27.146 -39 50 58.38 – V C57
2021-06-17 12:54:01 s 1 -22643.754 0 +404983.49 3740.0 – C57
2021-06-17 13:04:01 S 17 45 26.230 -39 50 53.84 – V C57
2021-06-17 13:04:01 s 1 -23000.281 0 +404954.18 6700.0 – C57
2021-06-17 13:14:01 S 17 45 25.471 -39 50 48.52 – V C57
2021-06-17 13:14:01 s 1 -23356.751 0 +404923.99 9380.0 – C57
2021-06-17 13:24:01 S 17 45 24.545 -39 50 44.38 – V C57
2021-06-17 13:24:01 s 1 -23713.163 0 +404892.94 1750.0 – C57
2021-06-17 13:34:01 S 17 45 23.760 -39 50 40.85 – V C57
2021-06-17 13:34:01 s 1 -24069.515 0 +404861.03 3830.0 – C57
2021-06-17 13:44:01 S 17 45 22.848 -39 50 36.92 – V C57
2021-06-17 13:44:01 s 1 -24425.808 0 +404828.24 5600.0 – C57
2021-06-17 13:54:01 S 17 45 22.068 -39 50 32.03 – V C57
2021-06-17 13:54:01 s 1 -24782.040 0 +404794.59 7080.0 – C57
2021-06-17 14:04:01 S 17 45 21.178 -39 50 26.92 – V C57
2021-06-17 14:04:01 s 1 -25138.210 0 +404760.07 8240.0 – C57
2021-06-17 14:14:01 S 17 45 20.366 -39 50 23.10 – V C57
2021-06-17 14:14:01 s 1 -25494.319 0 +404724.69 9100.0 – C57
2021-06-17 14:24:01 S 17 45 19.507 -39 50 19.50 – 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