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 18:44:01 s 1 -35082.843 0 +403441.68 8270.0 – C57
2021-06-17 18:54:01 S 17 44 56.810 -39 48 22.79 – V C57
2021-06-17 18:54:01 s 1 -35436.890 0 +403382.03 9660.0 – C57
2021-06-17 19:04:01 S 17 44 55.894 -39 48 19.12 – V C57
2021-06-17 19:04:01 s 1 -35790.851 0 +403321.51 680.0 – C57
2021-06-17 19:14:01 S 17 44 55.114 -39 48 15.44 – V C57
2021-06-17 19:14:01 s 1 -36144.726 0 +403260.12 1330.0 – C57
2021-06-17 19:24:01 S 17 44 54.228 -39 48 10.76 – V C57
2021-06-17 19:24:01 s 1 -36498.514 0 +403197.87 1610.0 – C57
2021-06-17 19:34:01 S 17 44 53.414 -39 48 05.40 – V C57
2021-06-17 19:34:01 s 1 -36852.215 0 +403134.75 1510.0 – C57
2021-06-17 19:44:01 S 17 44 52.570 -39 48 01.37 – V C57
2021-06-17 19:44:01 s 1 -37205.828 0 +403070.77 1040.0 – C57
2021-06-17 19:54:01 S 17 44 51.718 -39 47 57.70 – V C57
2021-06-17 19:54:01 s 1 -37559.351 0 +403005.92 190.0 – C57
2021-06-17 20:04:01 S 17 44 50.899 -39 47 53.99 – V C57
2021-06-17 20:04:01 s 1 -37912.785 0 +402940.20 8950.0 – C57
2021-06-17 20:14:01 S 17 44 50.021 -39 47 48.84 – V C57
2021-06-17 20:14:01 s 1 -38266.128 0 +402873.61 7330.0 – C57
2021-06-17 20:24:01 S 17 44 49.238 -39 47 43.87 – V C57
2021-06-17 20:24:01 s 1 -38619.380 0 +402806.16 5330.0 – C57
2021-06-17 20:34:01 S 17 44 48.329 -39 47 39.95 – V C57
2021-06-17 20:34:01 s 1 -38972.539 0 +402737.84 2940.0 – C57
2021-06-17 20:44:01 S 17 44 47.551 -39 47 36.60 – V C57
2021-06-17 20:44:01 s 1 -39325.606 0 +402668.65 160.0 – C57
2021-06-17 20:54:01 S 17 44 46.634 -39 47 32.42 – V C57
2021-06-17 20:54:01 s 1 -39678.578 0 +402598.60 6980.0 – C57
2021-06-17 21:04:01 S 17 44 45.869 -39 47 27.35 – V C57
2021-06-17 21:04:01 s 1 -40031.456 0 +402527.68 3410.0 – C57
2021-06-17 21:14:01 S 17 44 44.957 -39 47 22.88 – V C57
2021-06-17 21:14:01 s 1 -40384.238 0 +402455.90 9450.0 – C57
2021-06-17 21:24:01 S 17 44 44.165 -39 47 19.00 – V C57
2021-06-17 21:24:01 s 1 -40736.924 0 +402383.24 5090.0 – C57
2021-06-17 21:34:01 S 17 44 43.248 -39 47 15.14 – V C57
2021-06-17 21:34:01 s 1 -41089.514 0 +402309.72 330.0 – C57
2021-06-17 21:44:01 S 17 44 42.475 -39 47 10.90 – V C57
2021-06-17 21:44:01 s 1 -41442.005 0 +402235.33 5160.0 – C57
2021-06-17 22:04:01 S 17 44 40.781 -39 47 01.21 – V C57
2021-06-17 22:04:01 s 1 -42146.691 0 +402083.96 3610.0 – C57
2021-06-17 22:14:01 S 17 44 39.917 -39 46 57.50 – V C57
2021-06-17 22:14:01 s 1 -42498.884 0 +402006.97 7230.0 – C57
2021-06-17 22:24:01 S 17 44 39.084 -39 46 53.69 – V C57
2021-06-17 22:24:01 s 1 -42850.976 0 +401929.11 430.0 – C57
2021-06-17 22:34:01 S 17 44 38.263 -39 46 49.26 – V C57
2021-06-17 22:34:01 s 1 -43202.966 0 +401850.39 3220.0 – C57
2021-06-17 22:44:01 S 17 44 37.392 -39 46 43.75 – V C57
2021-06-17 22:44:01 s 1 -43554.854 0 +401770.80 5590.0 – C57
2021-06-17 22:54:01 S 17 44 36.600 -39 46 39.79 – V C57
2021-06-17 22:54:01 s 1 -43906.638 0 +401690.34 7550.0 – C57
2021-06-17 23:04:01 S 17 44 35.700 -39 46 36.08 – 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