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
2021-06-16 15:24:01 S 17 47 16.183 -40 00 09.65 – V C57
2021-06-16 15:24:01 s 1 +23542.204 0 +401460.24 600.0 – C57
2021-06-16 15:34:01 S 17 47 15.398 -40 00 06.08 – V C57
2021-06-16 15:34:01 s 1 +23184.887 0 +401543.71 4330.0 – C57
2021-06-16 15:44:01 S 17 47 14.479 -40 00 02.20 – V C57
2021-06-16 15:44:01 s 1 +22827.524 0 +401626.28 8030.0 – C57
2021-06-16 15:54:01 S 17 47 13.702 -39 59 57.48 – V C57
2021-06-16 15:54:01 s 1 +22470.117 0 +401707.98 1700.0 – C57
2021-06-16 16:04:01 S 17 47 12.797 -39 59 52.33 – V C57
2021-06-16 16:04:01 s 1 +22112.665 0 +401788.78 5340.0 – C57
2021-06-16 16:14:01 S 17 47 11.995 -39 59 48.55 – V C57
2021-06-16 16:14:01 s 1 +21755.171 0 +401868.70 8940.0 – C57
2021-06-16 16:24:01 S 17 47 11.110 -39 59 44.84 – V C57
2021-06-16 16:24:01 s 1 +21397.634 0 +401947.74 2510.0 – C57
2021-06-16 16:34:01 S 17 47 10.279 -39 59 40.85 – V C57
2021-06-16 16:34:01 s 1 +21040.056 0 +402025.89 6040.0 – C57
2021-06-16 16:44:01 S 17 47 09.430 -39 59 35.66 – V C57
2021-06-16 16:44:01 s 1 +20682.437 0 +402103.16 9530.0 – C57
2021-06-16 16:54:01 S 17 47 08.575 -39 59 31.13 – V C57
2021-06-16 16:54:01 s 1 +20324.779 0 +402179.55 2980.0 – C57
2021-06-16 17:14:01 S 17 47 06.859 -39 59 23.57 – V C57
2021-06-16 17:14:01 s 1 +19609.346 0 +402329.67 9740.0 – C57
2021-06-16 18:04:01 S 17 47 02.681 -39 59 02.40 – V C57
2021-06-16 18:04:01 s 1 +17820.128 0 +402689.51 5770.0 – C57
2021-06-16 18:14:01 S 17 47 01.762 -39 58 57.72 – V C57
2021-06-16 18:14:01 s 1 +17462.181 0 +402758.83 8800.0 – C57
2021-06-16 18:24:01 S 17 47 00.996 -39 58 52.61 – V C57
2021-06-16 18:24:01 s 1 +17104.203 0 +402827.27 1780.0 – C57
2021-06-16 18:34:01 S 17 47 00.079 -39 58 48.61 – V C57
2021-06-16 18:34:01 s 1 +16746.193 0 +402894.83 4690.0 – C57
2021-06-16 18:44:01 S 17 46 59.282 -39 58 44.98 – V C57
2021-06-16 18:44:01 s 1 +16388.152 0 +402961.51 7530.0 – C57
2021-06-16 18:54:01 S 17 46 58.370 -39 58 41.02 – V C57
2021-06-16 18:54:01 s 1 +16030.081 0 +403027.30 310.0 – C57
2021-06-16 19:04:01 S 17 46 57.581 -39 58 35.90 – V C57
2021-06-16 19:04:01 s 1 +15671.981 0 +403092.22 3020.0 – C57
2021-06-16 19:14:01 S 17 46 56.705 -39 58 31.19 – V C57
2021-06-16 19:14:01 s 1 +15313.853 0 +403156.25 5660.0 – C57
2021-06-16 19:24:01 S 17 46 55.865 -39 58 27.37 – V C57
2021-06-16 19:24:01 s 1 +14955.698 0 +403219.41 8220.0 – C57
2021-06-16 19:34:01 S 17 46 55.008 -39 58 23.66 – V C57
2021-06-16 19:34:01 s 1 +14597.516 0 +403281.68 710.0 – C57
2021-06-16 19:44:01 S 17 46 54.161 -39 58 19.34 – V C57
2021-06-16 19:44:01 s 1 +14239.309 0 +403343.07 3120.0 – C57
2021-06-16 19:54:01 S 17 46 53.354 -39 58 14.09 – V C57
2021-06-16 19:54:01 s 1 +13881.076 0 +403403.58 5450.0 – C57
2021-06-16 20:04:01 S 17 46 52.454 -39 58 09.77 – V C57
2021-06-16 20:04:01 s 1 +13522.820 0 +403463.22 7700.0 – C57
2021-06-16 20:14:01 S 17 46 51.667 -39 58 06.13 – V C57
2021-06-16 20:14:01 s 1 +13164.540 0 +403521.97 9860.0 – 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