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
2021-06-20 17:34:01 s 1 -166287.27 6 +297632.71 1290.0 – C57
2021-06-20 17:44:01 S 17 39 00.326 -39 17 46.50 – V C57
2021-06-20 17:44:01 s 1 -166515.91 2 +297182.05 7530.0 – C57
2021-06-20 17:54:01 S 17 38 59.494 -39 17 42.76 – V C57
2021-06-20 17:54:01 s 1 -166743.95 3 +296730.35 1950.0 – C57
2021-06-20 18:04:01 S 17 38 58.639 -39 17 38.15 – V C57
2021-06-20 18:04:01 s 1 -166971.39 7 +296277.62 4560.0 – C57
2021-06-20 18:14:01 S 17 38 57.857 -39 17 32.75 – V C57
2021-06-20 18:14:01 s 1 -167198.24 2 +295823.85 5350.0 – C57
2021-06-20 18:24:01 S 17 38 56.952 -39 17 28.50 – V C57
2021-06-20 18:24:01 s 1 -167424.48 5 +295369.05 4300.0 – C57
2021-06-20 18:34:01 S 17 38 56.160 -39 17 24.94 – V C57
2021-06-20 18:34:01 s 1 -167650.12 5 +294913.22 1420.0 – C57
2021-06-20 18:44:01 S 17 38 55.255 -39 17 20.83 – V C57
2021-06-20 18:44:01 s 1 -167875.16 0 +294456.34 6690.0 – C57
2021-06-20 18:54:01 S 17 38 54.492 -39 17 16.40 – V C57
2021-06-20 18:54:01 s 1 -168099.58 6 +293998.43 110.0 – C57
2021-06-20 19:04:01 S 17 38 53.580 -39 17 10.82 – V C57
2021-06-20 19:04:01 s 1 -168323.40 2 +293539.48 1670.0 – C57
2021-06-20 19:14:01 S 17 38 52.800 -39 17 06.94 – V C57
2021-06-20 19:14:01 s 1 -168546.60 6 +293079.48 1370.0 – C57
2021-06-20 19:24:01 S 17 38 51.886 -39 17 03.01 – V C57
2021-06-20 19:24:01 s 1 -168769.19 5 +292618.45 9200.0 – C57
2021-06-20 19:44:01 S 17 38 50.210 -39 16 54.34 – V C57
2021-06-20 19:44:01 s 1 -169212.52 0 +291693.26 9230.0 – C57
2021-06-20 19:54:01 S 17 38 49.428 -39 16 49.12 – V C57
2021-06-20 19:54:01 s 1 -169433.25 2 +291229.10 1410.0 – C57
2021-06-20 20:04:01 S 17 38 48.538 -39 16 45.19 – V C57
2021-06-20 20:04:01 s 1 -169653.35 9 +290763.90 1690.0 – C57
2021-06-20 20:14:01 S 17 38 47.741 -39 16 41.41 – V C57
2021-06-20 20:14:01 s 1 -169872.84 1 +290297.65 80.0 – C57
2021-06-20 20:24:01 S 17 38 46.870 -39 16 37.52 – V C57
2021-06-20 20:24:01 s 1 -170091.69 4 +289830.35 6550.0 – C57
2021-06-20 20:34:01 S 17 38 46.049 -39 16 32.27 – V C57
2021-06-20 20:34:01 s 1 -170309.91 7 +289362.01 1100.0 – C57
2021-06-20 20:44:01 S 17 38 45.235 -39 16 27.37 – V C57
2021-06-20 20:44:01 s 1 -170527.50 7 +288892.62 3730.0 – C57
2021-06-20 20:54:01 S 17 38 44.354 -39 16 23.38 – V C57
2021-06-20 20:54:01 s 1 -170744.46 1 +288422.18 4440.0 – C57
2021-06-20 21:04:01 S 17 38 43.548 -39 16 19.81 – V C57
2021-06-20 21:04:01 s 1 -170960.77 7 +287950.69 3200.0 – C57
2021-06-20 21:14:01 S 17 38 42.658 -39 16 15.67 – V C57
2021-06-20 21:14:01 s 1 -171176.45 4 +287478.15 20.0 – C57
2021-06-20 21:24:01 S 17 38 41.892 -39 16 10.56 – V C57
2021-06-20 21:24:01 s 1 -171391.48 8 +287004.56 4890.0 – C57
2021-06-20 21:34:01 S 17 38 40.982 -39 16 05.52 – V C57
2021-06-20 21:34:01 s 1 -171605.87 7 +286529.92 7800.0 – C57
2021-06-20 21:44:01 S 17 38 40.200 -39 16 01.85 – V C57
2021-06-20 21:44:01 s 1 -171819.61 9 +286054.22 8750.0 – C57
2021-06-20 21:54:01 S 17 38 39.286 -39 15 57.92 – 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