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 16:24:01 s 1 -80105.309 0 +388397.89 6790.0 – C57
2021-06-18 16:34:01 S 17 43 07.517 -39 39 04.28 – V C57
2021-06-18 16:34:01 s 1 -80441.426 0 +388224.91 1700.0 – C57
2021-06-18 16:44:01 S 17 43 06.718 -39 39 00.61 – V C57
2021-06-18 16:44:01 s 1 -80777.349 0 +388051.04 5950.0 – C57
2021-06-18 16:54:01 S 17 43 05.825 -39 38 55.64 – V C57
2021-06-18 16:54:01 s 1 -81113.077 0 +387876.30 9520.0 – C57
2021-06-18 17:04:01 S 17 43 05.062 -39 38 50.46 – V C57
2021-06-18 17:04:01 s 1 -81448.609 0 +387700.67 2430.0 – C57
2021-06-18 17:14:01 S 17 43 04.145 -39 38 46.46 – V C57
2021-06-18 17:14:01 s 1 -81783.944 0 +387524.16 4660.0 – C57
2021-06-18 17:24:01 S 17 43 03.367 -39 38 43.01 – V C57
2021-06-18 17:24:01 s 1 -82119.081 0 +387346.77 6220.0 – C57
2021-06-18 17:34:01 S 17 43 02.458 -39 38 38.90 – V C57
2021-06-18 17:34:01 s 1 -82454.020 0 +387168.50 7100.0 – C57
2021-06-18 17:44:01 S 17 43 01.697 -39 38 33.72 – V C57
2021-06-18 17:44:01 s 1 -82788.759 0 +386989.34 7310.0 – C57
2021-06-18 17:54:01 S 17 43 00.792 -39 38 28.86 – V C57
2021-06-18 17:54:01 s 1 -83123.298 0 +386809.30 6820.0 – C57
2021-06-18 18:04:01 S 17 43 00.000 -39 38 25.12 – V C57
2021-06-18 18:04:01 s 1 -83457.636 0 +386628.37 5660.0 – C57
2021-06-18 18:14:01 S 17 42 59.090 -39 38 21.41 – V C57
2021-06-18 18:14:01 s 1 -83791.771 0 +386446.57 3800.0 – C57
2021-06-18 18:24:01 S 17 42 58.315 -39 38 17.30 – V C57
2021-06-18 18:24:01 s 1 -84125.703 0 +386263.88 1260.0 – C57
2021-06-18 18:34:01 S 17 42 57.432 -39 38 11.90 – V C57
2021-06-18 18:34:01 s 1 -84459.430 0 +386080.30 8020.0 – C57
2021-06-18 18:44:01 S 17 42 56.618 -39 38 07.48 – V C57
2021-06-18 18:44:01 s 1 -84792.953 0 +385895.84 4090.0 – C57
2021-06-18 18:54:01 S 17 42 55.766 -39 38 03.77 – V C57
2021-06-18 18:54:01 s 1 -85126.270 0 +385710.50 9450.0 – C57
2021-06-18 19:04:01 S 17 42 54.929 -39 37 59.99 – V C57
2021-06-18 19:04:01 s 1 -85459.380 0 +385524.27 4120.0 – C57
2021-06-18 19:14:01 S 17 42 54.115 -39 37 55.74 – V C57
2021-06-18 19:14:01 s 1 -85792.282 0 +385337.15 8090.0 – C57
2021-06-18 19:24:01 S 17 42 53.237 -39 37 50.02 – V C57
2021-06-18 19:24:01 s 1 -86124.975 0 +385149.16 1350.0 – C57
2021-06-18 19:34:01 S 17 42 52.457 -39 37 45.95 – V C57
2021-06-18 19:34:01 s 1 -86457.458 0 +384960.27 3900.0 – C57
2021-06-18 19:44:01 S 17 42 51.554 -39 37 42.13 – V C57
2021-06-18 19:44:01 s 1 -86789.731 0 +384770.50 5730.0 – C57
2021-06-18 19:54:01 S 17 42 50.782 -39 37 38.60 – V C57
2021-06-18 19:54:01 s 1 -87121.792 0 +384579.84 6860.0 – C57
2021-06-18 20:04:01 S 17 42 49.870 -39 37 33.85 – V C57
2021-06-18 20:04:01 s 1 -87453.641 0 +384388.30 7270.0 – C57
2021-06-18 20:14:01 S 17 42 49.116 -39 37 28.49 – V C57
2021-06-18 20:14:01 s 1 -87785.276 0 +384195.87 6960.0 – C57
2021-06-18 20:24:01 S 17 42 48.209 -39 37 24.38 – V C57
2021-06-18 20:24:01 s 1 -88116.697 0 +384002.56 5930.0 – C57
2021-06-18 20:34:01 S 17 42 47.426 -39 37 20.89 – 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