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 03:04:01 s 1 -185224.92 4 +73971.582 2820.0 – C57
2021-06-23 03:34:01 S 17 34 02.671 -38 52 22.58 – V C57
2021-06-23 03:34:01 s 1 -184478.87 2 +71377.633 6530.0 – C57
2021-06-23 03:44:01 S 17 34 01.728 -38 52 16.86 – V C57
2021-06-23 03:44:01 s 1 -184224.05 1 +70510.610 3300.0 – C57
2021-06-23 03:54:01 S 17 34 00.876 -38 52 12.54 – V C57
2021-06-23 03:54:01 s 1 -183966.12 7 +69642.407 1070.0 – C57
2021-06-23 04:04:01 S 17 33 59.916 -38 52 08.47 – V C57
2021-06-23 04:04:01 s 1 -183705.07 9 +68773.031 9780.0 – C57
2021-06-23 04:14:01 S 17 33 59.093 -38 52 04.73 – V C57
2021-06-23 04:14:01 s 1 -183440.88 6 +67902.486 9370.0 – C57
2021-06-23 04:24:01 S 17 33 58.111 -38 52 00.05 – V C57
2021-06-23 04:24:01 s 1 -183173.52 6 +67030.777 9790.0 – C57
2021-06-23 04:34:01 S 17 33 57.288 -38 51 54.32 – V C57
2021-06-23 04:34:01 s 1 -182902.97 9 +66157.910 970.0 – C57
2021-06-23 04:44:01 S 17 33 56.335 -38 51 49.93 – V C57
2021-06-23 04:44:01 s 1 -182629.22 2 +65283.891 2850.0 – C57
2021-06-23 04:54:01 S 17 33 55.488 -38 51 46.26 – V C57
2021-06-23 04:54:01 s 1 -182352.23 4 +64408.725 5380.0 – C57
2021-06-23 05:04:01 S 17 33 54.538 -38 51 41.94 – V C57
2021-06-23 05:04:01 s 1 -182071.99 2 +63532.418 8480.0 – C57
2021-06-23 05:14:01 S 17 33 53.731 -38 51 37.51 – V C57
2021-06-23 05:14:01 s 1 -181788.47 5 +62654.976 2090.0 – C57
2021-06-23 05:24:01 S 17 33 52.766 -38 51 31.43 – V C57
2021-06-23 05:24:01 s 1 -181501.65 9 +61776.405 6160.0 – C57
2021-06-23 05:34:01 S 17 33 51.881 -38 51 27.43 – V C57
2021-06-23 05:34:01 s 1 -181211.52 1 +60896.712 620.0 – C57
2021-06-23 06:04:01 S 17 33 49.111 -38 51 14.69 – V C57
2021-06-23 06:04:01 s 1 -180320.95 3 +58250.965 5690.0 – C57
2021-06-23 06:14:01 S 17 33 48.290 -38 51 09.25 – V C57
2021-06-23 06:14:01 s 1 -180017.30 0 +57366.850 1050.0 – C57
2021-06-23 06:24:01 S 17 33 47.323 -38 51 04.93 – V C57
2021-06-23 06:24:01 s 1 -179710.20 9 +56481.647 6480.0 – C57
2021-06-23 06:34:01 S 17 33 46.483 -38 51 01.15 – V C57
2021-06-23 06:34:01 s 1 -179399.65 6 +55595.363 1900.0 – C57
2021-06-23 06:44:01 S 17 33 45.504 -38 50 56.80 – V C57
2021-06-23 06:44:01 s 1 -179085.61 7 +54708.007 7250.0 – C57
2021-06-23 06:54:01 S 17 33 44.666 -38 50 51.83 – V C57
2021-06-23 06:54:01 s 1 -178768.06 7 +53819.585 2460.0 – C57
2021-06-23 07:04:01 S 17 33 43.697 -38 50 46.39 – V C57
2021-06-23 07:04:01 s 1 -178446.98 2 +52930.107 7460.0 – C57
2021-06-23 07:14:01 S 17 33 42.845 -38 50 42.50 – V C57
2021-06-23 07:14:01 s 1 -178122.33 7 +52039.580 2170.0 – C57
2021-06-23 07:24:01 S 17 33 41.878 -38 50 38.36 – V C57
2021-06-23 07:24:01 s 1 -177794.10 5 +51148.012 6530.0 – C57
2021-06-23 07:34:01 S 17 33 41.035 -38 50 34.55 – V C57
2021-06-23 07:34:01 s 1 -177462.26 3 +50255.413 480.0 – C57
2021-06-23 07:44:01 S 17 33 40.078 -38 50 29.04 – V C57
2021-06-23 07:44:01 s 1 -177126.78 5 +49361.791 3920.0 – C57
2021-06-23 07:54:01 S 17 33 39.230 -38 50 23.93 – 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