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 14:24:01 s 1 -25850.364 0 +404688.44 9650.0 – C57
2021-06-17 14:34:01 S 17 45 18.670 -39 50 15.47 – V C57
2021-06-17 14:34:01 s 1 -26206.345 0 +404651.32 9880.0 – C57
2021-06-17 14:44:01 S 17 45 17.856 -39 50 10.18 – V C57
2021-06-17 14:44:01 s 1 -26562.262 0 +404613.33 9800.0 – C57
2021-06-17 14:54:01 S 17 45 16.980 -39 50 05.42 – V C57
2021-06-17 14:54:01 s 1 -26918.114 0 +404574.48 9410.0 – C57
2021-06-17 15:04:01 S 17 45 16.183 -39 50 01.90 – V C57
2021-06-17 15:04:01 s 1 -27273.899 0 +404534.76 8700.0 – C57
2021-06-17 15:14:01 S 17 45 15.288 -39 49 58.12 – V C57
2021-06-17 15:14:01 s 1 -27629.618 0 +404494.18 7660.0 – C57
2021-06-17 15:24:01 S 17 45 14.515 -39 49 54.05 – V C57
2021-06-17 15:24:01 s 1 -27985.268 0 +404452.72 6310.0 – C57
2021-06-17 15:34:01 S 17 45 13.601 -39 49 48.29 – V C57
2021-06-17 15:34:01 s 1 -28340.850 0 +404410.41 4630.0 – C57
2021-06-17 15:44:01 S 17 45 12.823 -39 49 44.29 – V C57
2021-06-17 15:44:01 s 1 -28696.363 0 +404367.22 2620.0 – C57
2021-06-17 15:54:01 S 17 45 11.899 -39 49 40.55 – V C57
2021-06-17 15:54:01 s 1 -29051.806 0 +404323.17 290.0 – C57
2021-06-17 16:04:01 S 17 45 11.124 -39 49 36.88 – V C57
2021-06-17 16:04:01 s 1 -29407.178 0 +404278.25 7620.0 – C57
2021-06-17 16:14:01 S 17 45 10.202 -39 49 32.20 – V C57
2021-06-17 16:14:01 s 1 -29762.478 0 +404232.46 4620.0 – C57
2021-06-17 16:24:01 S 17 45 09.430 -39 49 26.90 – V C57
2021-06-17 16:24:01 s 1 -30117.706 0 +404185.81 1290.0 – C57
2021-06-17 16:34:01 S 17 45 08.527 -39 49 22.87 – V C57
2021-06-17 16:34:01 s 1 -30472.860 0 +404138.29 7620.0 – C57
2021-06-17 16:44:01 S 17 45 07.728 -39 49 19.24 – V C57
2021-06-17 16:44:01 s 1 -30827.940 0 +404089.90 3610.0 – C57
2021-06-17 16:54:01 S 17 45 06.850 -39 49 15.46 – V C57
2021-06-17 16:54:01 s 1 -31182.946 0 +404040.65 9260.0 – C57
2021-06-17 17:04:01 S 17 45 06.034 -39 49 10.42 – V C57
2021-06-17 17:04:01 s 1 -31537.876 0 +403990.53 4560.0 – C57
2021-06-17 17:14:01 S 17 45 05.210 -39 49 05.41 – V C57
2021-06-17 17:14:01 s 1 -31892.730 0 +403939.55 9520.0 – C57
2021-06-17 17:24:01 S 17 45 04.339 -39 49 01.60 – V C57
2021-06-17 17:24:01 s 1 -32247.506 0 +403887.69 4130.0 – C57
2021-06-17 17:34:01 S 17 45 03.530 -39 48 58.07 – V C57
2021-06-17 17:34:01 s 1 -32602.204 0 +403834.97 8400.0 – C57
2021-06-17 17:44:01 S 17 45 02.647 -39 48 54.00 – V C57
2021-06-17 17:44:01 s 1 -32956.824 0 +403781.39 2310.0 – C57
2021-06-17 17:54:01 S 17 45 01.874 -39 48 48.71 – V C57
2021-06-17 17:54:01 s 1 -33311.364 0 +403726.94 5870.0 – C57
2021-06-17 18:04:01 S 17 45 00.967 -39 48 43.96 – V C57
2021-06-17 18:04:01 s 1 -33665.824 0 +403671.62 9070.0 – C57
2021-06-17 18:14:01 S 17 45 00.180 -39 48 40.39 – V C57
2021-06-17 18:14:01 s 1 -34020.202 0 +403615.43 1910.0 – C57
2021-06-17 18:34:01 S 17 44 58.500 -39 48 32.54 – V C57
2021-06-17 18:34:01 s 1 -34728.713 0 +403500.46 6510.0 – C57
2021-06-17 18:44:01 S 17 44 57.586 -39 48 26.93 – 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