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
2012-01-31 23:00:00 C 10 32 18.464 -05 50 28.03 – u 510
2012-01-31 23:01:01 C 10 32 18.28 -05 50 31.6 – u 637
2012-01-31 23:01:40 C 10 32 18.24 -05 50 33.6 – u 637
2012-01-31 23:02:11 C 10 32 18.21 -05 50 34.9 – u 637
2012-01-31 23:02:42 C 10 32 18.20 -05 50 36.1 – u 637
2012-01-31 23:03:12 C 10 32 18.16 -05 50 37.3 – u 637
2012-01-31 23:04:54 C 10 32 18.08 -05 50 42.0 – u 637
2012-01-31 23:05:33 C 10 32 18.05 -05 50 43.8 – u 637
2012-01-31 23:06:04 C 10 32 18.02 -05 50 45.2 – u 637
2012-01-31 23:06:33 C 10 32 17.98 -05 50 46.8 – u 637
2012-01-31 23:07:03 C 10 32 17.95 -05 50 47.7 – u 637
2012-01-31 23:09:35 C 10 32 17.83 -05 50 54.6 – u 637
2012-01-31 23:10:15 C 10 32 17.80 -05 50 56.2 – u 637
2012-01-31 23:10:45 C 10 32 17.75 -05 50 57.6 – u 637
2012-01-31 23:11:16 C 10 32 17.74 -05 50 59.0 – u 637
2012-01-31 23:11:45 C 10 32 17.71 -05 51 00.4 – u 637
2012-01-31 23:13:28 C 10 32 17.61 -05 51 04.8 – u 637
2012-01-31 23:13:31 C 10 32 17.741 -05 51 03.58 – u 510
2012-01-31 23:14:07 C 10 32 17.58 -05 51 06.4 – u 637
2012-01-31 23:14:38 C 10 32 17.55 -05 51 08.0 – u 637
2012-01-31 23:15:07 C 10 32 17.54 -05 51 09.2 – u 637
2012-01-31 23:15:38 C 10 32 17.50 -05 51 10.9 – u 637
2012-01-31 23:17:19 C 10 32 17.41 -05 51 15.1 – u 637
2012-01-31 23:17:58 C 10 32 17.38 -05 51 16.8 – u 637
2012-01-31 23:18:29 C 10 32 17.33 -05 51 18.3 – u 637
2012-01-31 23:19:00 C 10 32 17.32 -05 51 19.8 – u 637
2012-01-31 23:19:30 C 10 32 17.29 -05 51 20.9 – u 637
2012-01-31 23:21:12 C 10 32 17.19 -05 51 25.3 – u 637
2012-01-31 23:21:52 C 10 32 17.17 -05 51 27.2 – u 637
2012-01-31 23:22:22 C 10 32 17.12 -05 51 28.4 – u 637
2012-01-31 23:22:51 C 10 32 17.10 -05 51 29.8 – u 637
2012-01-31 23:23:21 C 10 32 17.08 -05 51 31.2 – u 637
2012-01-31 23:25:03 C 10 32 17.00 -05 51 35.8 – u 637
2012-01-31 23:25:42 C 10 32 16.95 -05 51 37.4 – u 637
2012-01-31 23:26:13 C 10 32 16.94 -05 51 39.0 – u 637
2012-01-31 23:26:44 C 10 32 16.91 -05 51 40.2 – u 637
2012-01-31 23:27:14 C 10 32 16.89 -05 51 41.7 – u 637
2012-01-31 23:28:56 C 10 32 16.79 -05 51 46.0 – u 637
2012-01-31 23:29:36 C 10 32 16.76 -05 51 48.0 – u 637
2012-01-31 23:30:06 C 10 32 16.71 -05 51 49.0 – u 637
2012-01-31 23:30:35 C 10 32 16.70 -05 51 50.5 – u 637
2012-01-31 23:31:06 C 10 32 16.786 -05 51 50.42 – u 510
2012-01-31 23:31:06 C 10 32 16.67 -05 51 51.8 – u 637
2012-01-31 23:32:17 C 10 32 17.54 -05 51 45.4 – r J37
2012-01-31 23:32:48 C 10 32 16.57 -05 51 56.3 – u 637
2012-01-31 23:33:27 C 10 32 16.54 -05 51 58.1 – u 637
2012-01-31 23:33:58 C 10 32 16.51 -05 51 59.5 – u 637
2012-01-31 23:34:28 C 10 32 16.49 -05 52 01.1 – u 637
2012-01-31 23:34:59 C 10 32 16.46 -05 52 02.3 – u 637
2012-01-31 23:36:41 C 10 32 16.37 -05 52 06.7 – u 637
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