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
2021-06-07 04:44:01 S 18 08 44.402 -41 22 55.45 – V C57
2021-06-07 04:44:01 s 1 -195077.82 2 +219091.45 3240.0 – C57
2021-06-07 04:54:01 S 18 08 43.526 -41 22 53.76 – V C57
2021-06-07 04:54:01 s 1 -195193.26 0 +218476.64 6980.0 – C57
2021-06-07 05:14:01 S 18 08 41.784 -41 22 50.23 – V C57
2021-06-07 05:14:01 s 1 -195420.95 5 +217243.45 5380.0 – C57
2021-06-07 05:24:01 S 18 08 40.925 -41 22 48.65 – V C57
2021-06-07 05:24:01 s 1 -195533.20 2 +216625.07 10.0 – C57
2021-06-07 05:34:01 S 18 08 40.032 -41 22 47.21 – V C57
2021-06-07 05:34:01 s 1 -195644.37 7 +216005.51 1580.0 – C57
2021-06-07 05:44:01 S 18 08 39.185 -41 22 45.70 – V C57
2021-06-07 05:44:01 s 1 -195754.47 4 +215384.76 80.0 – C57
2021-06-07 05:54:01 S 18 08 38.266 -41 22 44.36 – V C57
2021-06-07 05:54:01 s 1 -195863.49 0 +214762.82 5500.0 – C57
2021-06-07 06:04:01 S 18 08 37.430 -41 22 42.56 – V C57
2021-06-07 06:04:01 s 1 -195971.41 8 +214139.69 7810.0 – C57
2021-06-07 06:14:01 S 18 08 36.511 -41 22 40.87 – V C57
2021-06-07 06:14:01 s 1 -196078.25 5 +213515.36 7020.0 – C57
2021-06-07 06:24:01 S 18 08 35.683 -41 22 39.14 – V C57
2021-06-07 06:24:01 s 1 -196183.99 5 +212889.84 3100.0 – C57
2021-06-07 06:34:01 S 18 08 34.754 -41 22 37.38 – V C57
2021-06-07 06:34:01 s 1 -196288.63 4 +212263.13 6050.0 – C57
2021-06-07 06:44:01 S 18 08 33.953 -41 22 35.76 – V C57
2021-06-07 06:44:01 s 1 -196392.16 7 +211635.22 5840.0 – C57
2021-06-07 06:54:01 S 18 08 32.998 -41 22 34.36 – V C57
2021-06-07 06:54:01 s 1 -196494.58 9 +211006.12 2470.0 – C57
2021-06-07 07:14:01 S 18 08 31.238 -41 22 31.37 – V C57
2021-06-07 07:14:01 s 1 -196696.08 0 +209744.32 6190.0 – C57
2021-06-07 07:24:01 S 18 08 30.427 -41 22 29.68 – V C57
2021-06-07 07:24:01 s 1 -196795.13 9 +209111.61 3250.0 – C57
2021-06-07 07:34:01 S 18 08 29.491 -41 22 28.13 – V C57
2021-06-07 07:34:01 s 1 -196893.06 8 +208477.71 7090.0 – C57
2021-06-07 07:44:01 S 18 08 28.685 -41 22 26.40 – V C57
2021-06-07 07:44:01 s 1 -196989.86 1 +207842.61 7710.0 – C57
2021-06-07 07:54:01 S 18 08 27.730 -41 22 24.71 – V C57
2021-06-07 07:54:01 s 1 -197085.51 3 +207206.30 5080.0 – C57
2021-06-07 08:04:01 S 18 08 26.945 -41 22 22.91 – V C57
2021-06-07 08:04:01 s 1 -197180.01 9 +206568.79 9190.0 – C57
2021-06-07 08:14:01 S 18 08 25.985 -41 22 21.40 – V C57
2021-06-07 08:14:01 s 1 -197273.37 3 +205930.07 30.0 – C57
2021-06-07 08:24:01 S 18 08 25.198 -41 22 19.70 – V C57
2021-06-07 08:24:01 s 1 -197365.57 2 +205290.14 7590.0 – C57
2021-06-07 08:34:01 S 18 08 24.214 -41 22 18.55 – V C57
2021-06-07 08:34:01 s 1 -197456.60 9 +204649.01 1850.0 – C57
2021-06-07 08:44:01 S 18 08 23.422 -41 22 16.90 – V C57
2021-06-07 08:44:01 s 1 -197546.48 0 +204006.67 2790.0 – C57
2021-06-07 08:54:01 S 18 08 22.454 -41 22 15.20 – V C57
2021-06-07 08:54:01 s 1 -197635.17 9 +203363.12 410.0 – C57
2021-06-07 09:04:01 S 18 08 21.653 -41 22 13.51 – V C57
2021-06-07 09:04:01 s 1 -197722.70 0 +202718.36 4690.0 – 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