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
2012-02-01 00:15:20 C 10 32 14.30 -05 53 49.4 – u 637
2012-02-01 00:15:59 C 10 32 14.24 -05 53 50.9 – u 637
2012-02-01 00:16:29 C 10 32 14.21 -05 53 52.3 – u 637
2012-02-01 00:16:58 C 10 32 14.19 -05 53 53.6 – u 637
2012-02-01 00:17:29 C 10 32 14.18 -05 53 54.9 – u 637
2012-02-01 00:18:58 C 10 32 13.98 -05 53 57.6 – u C01
2012-02-01 00:19:11 C 10 32 14.06 -05 53 59.3 – u 637
2012-02-01 00:19:50 C 10 32 13.93 -05 53 59.7 – u C01
2012-02-01 00:19:50 C 10 32 14.03 -05 54 01.6 – u 637
2012-02-01 00:20:20 C 10 32 14.01 -05 54 02.4 – u 637
2012-02-01 00:20:44 C 10 32 13.88 -05 54 02.1 – u C01
2012-02-01 00:20:51 C 10 32 13.97 -05 54 03.8 – u 637
2012-02-01 00:21:22 C 10 32 13.92 -05 54 05.4 – u 637
2012-02-01 00:21:37 C 10 32 13.83 -05 54 04.5 – u C01
2012-02-01 00:22:30 C 10 32 13.79 -05 54 06.9 – u C01
2012-02-01 00:23:03 C 10 32 13.86 -05 54 09.9 – u 637
2012-02-01 00:23:23 C 10 32 13.74 -05 54 09.0 – u C01
2012-02-01 00:23:43 C 10 32 13.83 -05 54 11.5 – u 637
2012-02-01 00:24:13 C 10 32 13.81 -05 54 12.9 – u 637
2012-02-01 00:24:15 C 10 32 13.69 -05 54 11.5 – u C01
2012-02-01 00:24:42 C 10 32 13.75 -05 54 14.1 – u 637
2012-02-01 00:25:09 C 10 32 13.65 -05 54 13.7 – u C01
2012-02-01 00:25:12 C 10 32 13.74 -05 54 15.6 – u 637
2012-02-01 00:26:02 C 10 32 13.60 -05 54 16.1 – u C01
2012-02-01 00:26:53 C 10 32 13.55 -05 54 18.4 – u C01
2012-02-01 00:26:54 C 10 32 13.65 -05 54 19.9 – u 637
2012-02-01 00:27:35 C 10 32 13.63 -05 54 21.7 – u 637
2012-02-01 00:27:46 C 10 32 13.50 -05 54 20.9 – u C01
2012-02-01 00:28:12 C 10 32 13.60 -05 54 23.5 – u 637
2012-02-01 00:28:40 C 10 32 13.45 -05 54 23.3 – u C01
2012-02-01 00:28:42 C 10 32 13.56 -05 54 25.2 – u 637
2012-02-01 00:29:13 C 10 32 13.51 -05 54 26.2 – u 637
2012-02-01 00:29:32 C 10 32 13.40 -05 54 25.5 – u C01
2012-02-01 00:30:24 C 10 32 13.35 -05 54 27.8 – u C01
2012-02-01 00:30:55 C 10 32 13.46 -05 54 30.5 – u 637
2012-02-01 00:31:16 C 10 32 13.31 -05 54 30.0 – u C01
2012-02-01 00:31:44 C 10 32 13.41 -05 54 32.4 – u 637
2012-02-01 00:32:12 C 10 32 13.36 -05 54 34.0 – u 637
2012-02-01 00:32:43 C 10 32 13.34 -05 54 35.7 – u 637
2012-02-01 00:33:12 C 10 32 13.31 -05 54 36.8 – u 637
2012-02-01 00:34:52 C 10 32 13.25 -05 54 41.0 – u 637
2012-02-01 00:35:33 C 10 32 13.18 -05 54 42.6 – u 637
2012-02-01 00:36:02 C 10 32 13.16 -05 54 44.2 – u 637
2012-02-01 00:36:32 C 10 32 13.16 -05 54 45.4 – u 637
2012-02-01 00:37:03 C 10 32 13.08 -05 54 46.8 – u 637
2012-02-01 00:38:45 C 10 32 13.01 -05 54 51.7 – u 637
2012-02-01 00:39:23 C 10 32 12.98 -05 54 53.1 – u 637
2012-02-01 00:39:55 C 10 32 12.94 -05 54 54.5 – u 637
2012-02-01 00:40:25 C 10 32 12.90 -05 54 55.8 – u 637
2012-02-01 00:40:54 C 10 32 12.90 -05 54 57.2 – 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