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
2019-03-22 19:05:44 C 07 30 48.76 -01 14 47.1 – q 006
2019-03-22 19:29:02 C 07 30 51.37 -01 15 04.6 – V G33
2019-03-22 19:31:37 C 07 30 51.67 -01 15 06.5 – V G33
2019-03-22 19:35:41 C 07 30 52.13 -01 15 09.5 – V G33
2019-03-22 19:39:42 C 07 30 52.59 -01 15 12.4 – V G33
2019-03-23 18:44:05 C 07 33 38.81 -01 30 08.2 – q 006
2019-03-23 18:45:35 C 07 33 38.98 -01 30 09.0 – q 006
2019-03-23 18:47:35 C 07 33 39.21 -01 30 10.3 – q 006
2019-03-23 18:49:35 C 07 33 39.44 -01 30 11.6 – q 006
2019-03-23 18:51:35 C 07 33 39.67 -01 30 12.9 – q 006
2019-03-23 18:53:35 C 07 33 39.90 -01 30 14.2 – q 006
2019-03-23 18:55:35 C 07 33 40.13 -01 30 15.4 – q 006
2019-03-23 18:57:05 C 07 33 40.30 -01 30 16.5 – q 006
2019-03-27 06:43:42 S 07 43 41.82 -02 21 32.1 – L C51
2019-03-27 09:52:01 S 07 44 04.34 -02 23 23.8 – L C51
2019-03-27 13:00:31 S 07 44 26.88 -02 25 14.9 – L C51
2019-03-27 16:08:50 S 07 44 49.42 -02 27 04.6 – L C51
2019-03-27 19:17:20 S 07 45 11.98 -02 28 54.2 – L C51
2019-03-27 22:25:39 S 07 45 34.51 -02 30 44.1 – L C51
2019-03-28 01:34:53 S 07 45 57.21 -02 32 34.1 – L C51
2019-03-28 04:42:28 S 07 46 19.570 -02 34 21.86 – L C51
2019-03-28 07:51:42 S 07 46 42.24 -02 36 12.6 – L C51
2019-03-28 14:08:32 S 07 47 27.31 -02 39 47.9 – L C51
2019-03-28 17:16:51 S 07 47 49.83 -02 41 35.1 – L C51
2019-03-28 19:53:12 C 07 48 08.52 -02 43 18.6 – q 006
2019-03-28 20:25:21 S 07 48 12.39 -02 43 23.5 – L C51
2019-03-28 21:59:24 S 07 48 23.70 -02 44 16.2 – L C51
2019-03-28 21:59:36 S 07 48 23.71 -02 44 16.8 – L C51
2019-03-29 01:07:55 S 07 48 46.22 -02 46 03.0 – L C51
2019-03-29 02:41:26 S 07 48 57.36 -02 46 55.1 – L C51
2019-03-29 04:15:41 S 07 49 08.69 -02 47 48.0 – L C51
2019-03-29 05:50:29 S 07 49 20.01 -02 48 42.7 – L C51
2019-03-29 08:58:59 S 07 49 42.57 -02 50 28.8 – L C51
2019-03-29 10:32:30 S 07 49 53.71 -02 51 20.4 – L C51
2019-03-29 12:07:18 S 07 50 05.09 -02 52 13.3 – L C51
2019-03-29 13:41:33 S 07 50 16.31 -02 53 07.6 – L C51
2019-03-29 15:15:48 S 07 50 27.60 -02 53 59.8 – L C51
2019-03-29 16:49:52 S 07 50 38.85 -02 54 51.7 – L C51
2019-03-29 16:50:03 S 07 50 38.84 -02 54 53.1 – L C51
2019-03-29 18:24:08 S 07 50 50.11 -02 55 44.5 – L C51
2019-03-29 18:55:55 C 07 50 54.18 -02 56 16.5 – q 006
2019-03-29 19:03:55 C 07 50 55.08 -02 56 20.9 – q 006
2019-03-29 19:11:55 C 07 50 56.05 -02 56 25.0 – q 006
2019-03-29 19:19:55 C 07 50 56.93 -02 56 29.4 – q 006
2019-03-29 19:33:45 C 07 50 58.52 -02 56 37.3 – q 006
2019-03-29 19:42:59 C 07 50 59.60 -02 56 42.1 – q 006
2019-03-29 19:58:22 S 07 51 01.36 -02 56 37.8 – L C51
2019-03-29 21:32:37 S 07 51 12.66 -02 57 29.8 – L C51
2019-03-30 00:40:57 S 07 51 35.10 -02 59 14.4 – L C51
2019-03-30 03:48:42 S 07 51 57.63 -03 00 56.6 – L C51
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