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
2021-06-18 03:14:01 s 1 -53014.075 0 +399293.82 4650.0 – C57
2021-06-18 03:24:01 S 17 44 13.867 -39 44 43.91 – V C57
2021-06-18 03:24:01 s 1 -53362.760 0 +399189.92 4510.0 – C57
2021-06-18 03:34:01 S 17 44 13.030 -39 44 39.08 – V C57
2021-06-18 03:34:01 s 1 -53711.320 0 +399085.15 3880.0 – C57
2021-06-18 03:44:01 S 17 44 12.178 -39 44 35.34 – V C57
2021-06-18 03:44:01 s 1 -54059.753 0 +398979.51 2770.0 – C57
2021-06-18 03:54:01 S 17 44 11.383 -39 44 31.81 – V C57
2021-06-18 03:54:01 s 1 -54408.058 0 +398873.01 1180.0 – C57
2021-06-18 04:04:01 S 17 44 10.510 -39 44 27.53 – V C57
2021-06-18 04:04:01 s 1 -54756.234 0 +398765.63 9110.0 – C57
2021-06-18 04:14:01 S 17 44 09.730 -39 44 21.98 – V C57
2021-06-18 04:14:01 s 1 -55104.281 0 +398657.38 6540.0 – C57
2021-06-18 04:24:01 S 17 44 08.827 -39 44 17.63 – V C57
2021-06-18 04:24:01 s 1 -55452.197 0 +398548.27 3490.0 – C57
2021-06-18 04:34:01 S 17 44 08.023 -39 44 14.21 – V C57
2021-06-18 04:34:01 s 1 -55799.983 0 +398438.28 9940.0 – C57
2021-06-18 04:44:01 S 17 44 07.097 -39 44 10.32 – V C57
2021-06-18 04:44:01 s 1 -56147.636 0 +398327.43 5900.0 – C57
2021-06-18 04:54:01 S 17 44 06.338 -39 44 06.04 – V C57
2021-06-18 04:54:01 s 1 -56495.157 0 +398215.70 1370.0 – C57
2021-06-18 05:04:01 S 17 44 05.426 -39 44 00.42 – V C57
2021-06-18 05:04:01 s 1 -56842.544 0 +398103.10 6330.0 – C57
2021-06-18 05:14:01 S 17 44 04.656 -39 43 56.42 – V C57
2021-06-18 05:14:01 s 1 -57189.797 0 +397989.64 790.0 – C57
2021-06-18 05:24:01 S 17 44 03.756 -39 43 52.75 – V C57
2021-06-18 05:24:01 s 1 -57536.915 0 +397875.30 4750.0 – C57
2021-06-18 05:34:01 S 17 44 02.976 -39 43 48.94 – V C57
2021-06-18 05:34:01 s 1 -57883.896 0 +397760.09 8200.0 – C57
2021-06-18 05:44:01 S 17 44 02.083 -39 43 44.15 – V C57
2021-06-18 05:44:01 s 1 -58230.741 0 +397644.02 1150.0 – C57
2021-06-18 05:54:01 S 17 44 01.282 -39 43 38.96 – V C57
2021-06-18 05:54:01 s 1 -58577.448 0 +397527.07 3580.0 – C57
2021-06-18 06:44:01 S 17 43 57.089 -39 43 17.36 – V C57
2021-06-18 06:44:01 s 1 -60308.888 0 +396929.26 8020.0 – C57
2021-06-18 06:54:01 S 17 43 56.186 -39 43 13.58 – V C57
2021-06-18 06:54:01 s 1 -60654.751 0 +396807.09 7340.0 – C57
2021-06-18 07:04:01 S 17 43 55.406 -39 43 10.13 – V C57
2021-06-18 07:04:01 s 1 -61000.470 0 +396684.04 6140.0 – C57
2021-06-18 07:14:01 S 17 43 54.494 -39 43 05.88 – V C57
2021-06-18 07:14:01 s 1 -61346.045 0 +396560.12 4410.0 – C57
2021-06-18 07:24:01 S 17 43 53.738 -39 43 00.52 – V C57
2021-06-18 07:24:01 s 1 -61691.475 0 +396435.33 2140.0 – C57
2021-06-18 07:34:01 S 17 43 52.822 -39 42 55.98 – V C57
2021-06-18 07:34:01 s 1 -62036.759 0 +396309.67 9350.0 – C57
2021-06-18 07:44:01 S 17 43 52.039 -39 42 52.42 – V C57
2021-06-18 07:44:01 s 1 -62381.896 0 +396183.14 6020.0 – C57
2021-06-18 07:54:01 S 17 43 51.127 -39 42 48.60 – V C57
2021-06-18 07:54:01 s 1 -62726.885 0 +396055.73 2150.0 – C57
2021-06-18 08:04:01 S 17 43 50.357 -39 42 44.28 – 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