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
2021-06-15 07:04:01 S 17 50 01.788 -40 13 59.59 – V C57
2021-06-15 07:04:01 s 1 +90893.074 0 +368107.42 5200.0 – C57
2021-06-15 07:14:01 S 17 50 00.950 -40 13 55.92 – V C57
2021-06-15 07:14:01 s 1 +90562.054 0 +368369.53 590.0 – C57
2021-06-15 07:24:01 S 17 50 00.060 -40 13 51.38 – V C57
2021-06-15 07:24:01 s 1 +90230.796 0 +368630.68 5530.0 – C57
2021-06-15 07:34:01 S 17 49 59.266 -40 13 46.13 – V C57
2021-06-15 07:34:01 s 1 +89899.304 0 +368890.86 10.0 – C57
2021-06-15 07:44:01 S 17 49 58.346 -40 13 42.17 – V C57
2021-06-15 07:44:01 s 1 +89567.577 0 +369150.08 4040.0 – C57
2021-06-15 07:54:01 S 17 49 57.542 -40 13 38.57 – V C57
2021-06-15 07:54:01 s 1 +89235.617 0 +369408.33 7620.0 – C57
2021-06-15 08:04:01 S 17 49 56.621 -40 13 34.57 – V C57
2021-06-15 08:04:01 s 1 +88903.426 0 +369665.61 760.0 – C57
2021-06-15 08:14:01 S 17 49 55.843 -40 13 29.60 – V C57
2021-06-15 08:14:01 s 1 +88571.003 0 +369921.93 3450.0 – C57
2021-06-15 08:24:01 S 17 49 54.910 -40 13 24.92 – V C57
2021-06-15 08:24:01 s 1 +88238.352 0 +370177.28 5710.0 – C57
2021-06-15 08:34:01 S 17 49 54.127 -40 13 21.22 – V C57
2021-06-15 08:34:01 s 1 +87905.472 0 +370431.67 7530.0 – C57
2021-06-15 08:44:01 S 17 49 53.186 -40 13 17.36 – V C57
2021-06-15 08:44:01 s 1 +87572.364 0 +370685.10 8920.0 – C57
2021-06-15 08:54:01 S 17 49 52.402 -40 13 13.12 – V C57
2021-06-15 08:54:01 s 1 +87239.032 0 +370937.56 9880.0 – C57
2021-06-15 09:04:01 S 17 49 51.468 -40 13 07.79 – V C57
2021-06-15 09:04:01 s 1 +86905.474 0 +371189.07 410.0 – C57
2021-06-15 09:14:01 S 17 49 50.674 -40 13 03.72 – V C57
2021-06-15 09:14:01 s 1 +86571.693 0 +371439.61 520.0 – C57
2021-06-15 09:24:01 S 17 49 49.747 -40 12 59.90 – V C57
2021-06-15 09:24:01 s 1 +86237.689 0 +371689.19 210.0 – C57
2021-06-15 09:34:01 S 17 49 48.943 -40 12 56.05 – V C57
2021-06-15 09:34:01 s 1 +85903.465 0 +371937.81 9480.0 – C57
2021-06-15 09:44:01 S 17 49 48.041 -40 12 51.30 – V C57
2021-06-15 09:44:01 s 1 +85569.020 0 +372185.47 8330.0 – C57
2021-06-15 09:54:01 S 17 49 47.218 -40 12 46.40 – V C57
2021-06-15 09:54:01 s 1 +85234.357 0 +372432.17 6770.0 – C57
2021-06-15 10:04:01 S 17 49 46.339 -40 12 42.41 – V C57
2021-06-15 10:04:01 s 1 +84899.476 0 +372677.92 4810.0 – C57
2021-06-15 10:14:01 S 17 49 45.490 -40 12 38.77 – V C57
2021-06-15 10:14:01 s 1 +84564.378 0 +372922.71 2430.0 – C57
2021-06-15 10:24:01 S 17 49 44.633 -40 12 34.74 – V C57
2021-06-15 10:24:01 s 1 +84229.065 0 +373166.53 9660.0 – C57
2021-06-15 10:34:01 S 17 49 43.771 -40 12 29.34 – V C57
2021-06-15 10:34:01 s 1 +83893.538 0 +373409.41 6480.0 – C57
2021-06-15 10:44:01 S 17 49 42.941 -40 12 24.98 – V C57
2021-06-15 10:44:01 s 1 +83557.798 0 +373651.32 2910.0 – C57
2021-06-15 10:54:01 S 17 49 42.046 -40 12 21.28 – V C57
2021-06-15 10:54:01 s 1 +83221.846 0 +373892.29 8940.0 – C57
2021-06-15 11:04:01 S 17 49 41.234 -40 12 17.68 – V C57
2021-06-15 11:04:01 s 1 +82885.684 0 +374132.29 4580.0 – 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