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 20:34:01 s 1 -88447.903 0 +383808.35 4170.0 – C57
2021-06-18 20:44:01 S 17 42 46.526 -39 37 16.97 – V C57
2021-06-18 20:44:01 s 1 -88778.892 0 +383613.26 1690.0 – C57
2021-06-18 20:54:01 S 17 42 45.751 -39 37 12.04 – V C57
2021-06-18 20:54:01 s 1 -89109.664 0 +383417.29 8480.0 – C57
2021-06-18 21:04:01 S 17 42 44.870 -39 37 06.89 – V C57
2021-06-18 21:04:01 s 1 -89440.218 0 +383220.42 4540.0 – C57
2021-06-18 21:14:01 S 17 42 44.057 -39 37 03.04 – V C57
2021-06-18 21:14:01 s 1 -89770.552 0 +383022.67 9860.0 – C57
2021-06-18 21:24:01 S 17 42 43.205 -39 36 59.44 – V C57
2021-06-18 21:24:01 s 1 -90100.667 0 +382824.03 4440.0 – C57
2021-06-18 21:34:01 S 17 42 42.367 -39 36 55.40 – V C57
2021-06-18 21:34:01 s 1 -90430.560 0 +382624.50 8290.0 – C57
2021-06-18 21:44:01 S 17 42 41.563 -39 36 50.26 – V C57
2021-06-18 21:44:01 s 1 -90760.231 0 +382424.08 1390.0 – C57
2021-06-18 21:54:01 S 17 42 40.680 -39 36 45.32 – V C57
2021-06-18 21:54:01 s 1 -91089.680 0 +382222.77 3740.0 – C57
2021-06-18 22:04:01 S 17 42 39.900 -39 36 41.65 – V C57
2021-06-18 22:04:01 s 1 -91418.904 0 +382020.57 5350.0 – C57
2021-06-18 22:14:01 S 17 42 38.993 -39 36 37.87 – V C57
2021-06-18 22:14:01 s 1 -91747.904 0 +381817.48 6210.0 – C57
2021-06-18 22:24:01 S 17 42 38.227 -39 36 33.98 – V C57
2021-06-18 22:24:01 s 1 -92076.678 0 +381613.50 6310.0 – C57
2021-06-18 22:34:01 S 17 42 37.318 -39 36 28.30 – V C57
2021-06-18 22:34:01 s 1 -92405.225 0 +381408.64 5660.0 – C57
2021-06-18 22:44:01 S 17 42 36.550 -39 36 24.01 – V C57
2021-06-18 22:44:01 s 1 -92733.544 0 +381202.88 4250.0 – C57
2021-06-18 22:54:01 S 17 42 35.635 -39 36 20.16 – V C57
2021-06-18 22:54:01 s 1 -93061.634 0 +380996.23 2080.0 – C57
2021-06-18 23:04:01 S 17 42 34.860 -39 36 16.63 – V C57
2021-06-18 23:04:01 s 1 -93389.495 0 +380788.69 9140.0 – C57
2021-06-18 23:14:01 S 17 42 33.950 -39 36 12.17 – V C57
2021-06-18 23:14:01 s 1 -93717.125 0 +380580.26 5440.0 – C57
2021-06-18 23:24:01 S 17 42 33.182 -39 36 06.66 – V C57
2021-06-18 23:24:01 s 1 -94044.523 0 +380370.93 960.0 – C57
2021-06-18 23:34:01 S 17 42 32.294 -39 36 02.45 – V C57
2021-06-18 23:34:01 s 1 -94371.688 0 +380160.72 5720.0 – C57
2021-06-18 23:44:01 S 17 42 31.488 -39 35 58.78 – V C57
2021-06-18 23:44:01 s 1 -94698.620 0 +379949.61 9700.0 – C57
2021-06-18 23:54:01 S 17 42 30.629 -39 35 55.03 – V C57
2021-06-18 23:54:01 s 1 -95025.318 0 +379737.61 2900.0 – C57
2021-06-19 00:04:01 S 17 42 29.801 -39 35 50.35 – V C57
2021-06-19 00:04:01 s 1 -95351.779 0 +379524.72 5320.0 – C57
2021-06-19 00:14:01 S 17 42 28.992 -39 35 44.95 – V C57
2021-06-19 00:14:01 s 1 -95678.004 0 +379310.93 6950.0 – C57
2021-06-19 00:24:01 S 17 42 28.114 -39 35 40.85 – V C57
2021-06-19 00:24:01 s 1 -96003.992 0 +379096.25 7800.0 – C57
2021-06-19 00:34:01 S 17 42 27.319 -39 35 37.36 – V C57
2021-06-19 00:34:01 s 1 -96329.741 0 +378880.67 7870.0 – C57
2021-06-19 00:44:01 S 17 42 26.417 -39 35 33.32 – 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