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
2021-06-19 05:04:01 s 1 -105031.11 1 +372721.19 980.0 – C57
2021-06-19 05:14:01 S 17 42 03.838 -39 33 35.78 – V C57
2021-06-19 05:14:01 s 1 -105349.76 9 +372480.46 7800.0 – C57
2021-06-19 05:24:01 S 17 42 02.974 -39 33 32.04 – V C57
2021-06-19 05:24:01 s 1 -105668.16 0 +372238.83 3750.0 – C57
2021-06-19 05:34:01 S 17 42 02.182 -39 33 28.26 – V C57
2021-06-19 05:34:01 s 1 -105986.28 1 +371996.29 8820.0 – C57
2021-06-19 05:44:01 S 17 42 01.289 -39 33 23.04 – V C57
2021-06-19 05:44:01 s 1 -106304.13 2 +371752.85 3010.0 – C57
2021-06-19 05:54:01 S 17 42 00.526 -39 33 18.14 – V C57
2021-06-19 05:54:01 s 1 -106621.71 2 +371508.51 6320.0 – C57
2021-06-19 06:04:01 S 17 41 59.606 -39 33 14.15 – V C57
2021-06-19 06:04:01 s 1 -106939.01 9 +371263.26 8750.0 – C57
2021-06-19 06:14:01 S 17 41 58.836 -39 33 10.69 – V C57
2021-06-19 06:14:01 s 1 -107256.05 2 +371017.11 280.0 – C57
2021-06-19 06:24:01 S 17 41 57.922 -39 33 06.55 – V C57
2021-06-19 06:24:01 s 1 -107572.81 1 +370770.05 930.0 – C57
2021-06-19 06:34:01 S 17 41 57.166 -39 33 01.22 – V C57
2021-06-19 06:34:01 s 1 -107889.29 5 +370522.08 690.0 – C57
2021-06-19 06:44:01 S 17 41 56.266 -39 32 56.47 – V C57
2021-06-19 06:44:01 s 1 -108205.50 2 +370273.21 9550.0 – C57
2021-06-19 06:54:01 S 17 41 55.469 -39 32 52.87 – V C57
2021-06-19 06:54:01 s 1 -108521.43 0 +370023.43 7510.0 – C57
2021-06-19 07:14:01 S 17 41 53.796 -39 32 44.92 – V C57
2021-06-19 07:14:01 s 1 -109152.45 0 +369521.15 720.0 – C57
2021-06-19 07:24:01 S 17 41 52.930 -39 32 39.37 – V C57
2021-06-19 07:24:01 s 1 -109467.53 9 +369268.65 5960.0 – C57
2021-06-19 07:34:01 S 17 41 52.109 -39 32 35.02 – V C57
2021-06-19 07:34:01 s 1 -109782.34 6 +369015.25 290.0 – C57
2021-06-19 07:44:01 S 17 41 51.269 -39 32 31.38 – V C57
2021-06-19 07:44:01 s 1 -110096.87 0 +368760.93 3710.0 – C57
2021-06-19 07:54:01 S 17 41 50.419 -39 32 27.46 – V C57
2021-06-19 07:54:01 s 1 -110411.10 9 +368505.70 6210.0 – C57
2021-06-19 08:04:01 S 17 41 49.625 -39 32 23.21 – V C57
2021-06-19 08:04:01 s 1 -110725.06 3 +368249.57 7790.0 – C57
2021-06-19 08:14:01 S 17 41 48.737 -39 32 17.56 – V C57
2021-06-19 08:14:01 s 1 -111038.73 1 +367992.52 8440.0 – C57
2021-06-19 08:24:01 S 17 41 47.962 -39 32 13.56 – V C57
2021-06-19 08:24:01 s 1 -111352.11 0 +367734.57 8170.0 – C57
2021-06-19 08:34:01 S 17 41 47.042 -39 32 09.71 – V C57
2021-06-19 08:34:01 s 1 -111665.20 2 +367475.70 6970.0 – C57
2021-06-19 08:44:01 S 17 41 46.272 -39 32 06.11 – V C57
2021-06-19 08:44:01 s 1 -111978.00 3 +367215.93 4830.0 – C57
2021-06-19 08:54:01 S 17 41 45.365 -39 32 01.39 – V C57
2021-06-19 08:54:01 s 1 -112290.51 3 +366955.24 1760.0 – C57
2021-06-19 09:04:01 S 17 41 44.602 -39 31 56.06 – V C57
2021-06-19 09:04:01 s 1 -112602.73 1 +366693.64 7740.0 – C57
2021-06-19 09:14:01 S 17 41 43.702 -39 31 51.89 – V C57
2021-06-19 09:14:01 s 1 -112914.65 7 +366431.13 2790.0 – C57
2021-06-19 09:24:01 S 17 41 42.912 -39 31 48.43 – 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