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
2021-06-23 17:14:01 s 1 -151029.71 9 - 2832.751 2580.0 – C57
2021-06-23 17:24:01 S 17 32 46.373 -38 46 01.56 – V C57
2021-06-23 17:24:01 s 1 -150430.12 2 - 3759.590 280.0 – C57
2021-06-23 17:34:01 S 17 32 45.365 -38 45 56.41 – V C57
2021-06-23 17:34:01 s 1 -149824.87 7 - 4686.285 1960.0 – C57
2021-06-23 17:44:01 S 17 32 44.467 -38 45 52.42 – V C57
2021-06-23 17:44:01 s 1 -149213.94 2 - 5612.800 7500.0 – C57
2021-06-23 17:54:01 S 17 32 43.459 -38 45 48.02 – V C57
2021-06-23 17:54:01 s 1 -148597.27 1 - 6539.097 6780.0 – C57
2021-06-23 18:04:01 S 17 32 42.581 -38 45 43.70 – V C57
2021-06-23 18:04:01 s 1 -147974.82 2 - 7465.139 9690.0 – C57
2021-06-23 18:14:01 S 17 32 41.570 -38 45 37.40 – V C57
2021-06-23 18:14:01 s 1 -147346.55 0 - 8390.885 6100.0 – C57
2021-06-23 18:24:01 S 17 32 40.673 -38 45 32.94 – V C57
2021-06-23 18:24:01 s 1 -146712.41 0 - 9316.295 5900.0 – C57
2021-06-23 18:34:01 S 17 32 39.672 -38 45 28.51 – V C57
2021-06-23 18:34:01 s 1 -146072.35 8 -10241.328 8960.0 – C57
2021-06-23 18:44:01 S 17 32 38.738 -38 45 24.70 – V C57
2021-06-23 18:44:01 s 1 -145426.34 8 -11165.942 5160.0 – C57
2021-06-23 19:04:01 S 17 32 36.806 -38 45 13.79 – V C57
2021-06-23 19:04:01 s 1 -144116.27 4 -13013.739 6510.0 – C57
2021-06-23 19:14:01 S 17 32 35.873 -38 45 09.29 – V C57
2021-06-23 19:14:01 s 1 -143452.11 9 -13936.833 1400.0 – C57
2021-06-23 19:24:01 S 17 32 34.879 -38 45 05.18 – V C57
2021-06-23 19:24:01 s 1 -142781.82 2 -14859.330 8950.0 – C57
2021-06-23 19:34:01 S 17 32 33.996 -38 45 00.79 – V C57
2021-06-23 19:34:01 s 1 -142105.33 8 -15781.181 9030.0 – C57
2021-06-23 19:44:01 S 17 32 32.964 -38 44 55.07 – V C57
2021-06-23 19:44:01 s 1 -141422.62 0 -16702.339 1510.0 – C57
2021-06-23 19:54:01 S 17 32 32.052 -38 44 49.74 – V C57
2021-06-23 19:54:01 s 1 -140733.62 1 -17622.755 6270.0 – C57
2021-06-23 20:04:01 S 17 32 31.022 -38 44 45.24 – V C57
2021-06-23 20:04:01 s 1 -140038.29 4 -18542.378 3190.0 – C57
2021-06-23 20:14:01 S 17 32 30.132 -38 44 41.42 – V C57
2021-06-23 20:14:01 s 1 -139336.59 2 -19461.157 2120.0 – C57
2021-06-23 20:24:01 S 17 32 29.107 -38 44 36.85 – V C57
2021-06-23 20:24:01 s 1 -138628.46 6 -20379.037 2960.0 – C57
2021-06-23 20:34:01 S 17 32 28.219 -38 44 30.95 – V C57
2021-06-23 20:34:01 s 1 -137913.87 0 -21295.967 5580.0 – C57
2021-06-23 20:44:01 S 17 32 27.209 -38 44 25.91 – V C57
2021-06-23 20:44:01 s 1 -137192.75 5 -22211.889 9840.0 – C57
2021-06-23 20:54:01 S 17 32 26.254 -38 44 21.88 – V C57
2021-06-23 20:54:01 s 1 -136465.07 3 -23126.748 5620.0 – C57
2021-06-23 21:04:01 S 17 32 25.294 -38 44 17.48 – V C57
2021-06-23 21:04:01 s 1 -135730.77 5 -24040.486 2790.0 – C57
2021-06-23 21:14:01 S 17 32 24.283 -38 44 12.55 – V C57
2021-06-23 21:14:01 s 1 -134989.81 4 -24953.044 1230.0 – C57
2021-06-23 21:24:01 S 17 32 23.364 -38 44 06.54 – V C57
2021-06-23 21:24:01 s 1 -134242.14 1 -25864.362 800.0 – C57
2021-06-23 21:34:01 S 17 32 22.342 -38 44 02.04 – 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