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
2020-09-26 11:55:44 C 09 00 12.63 +22 24 01.2 – V G96
2020-09-26 11:56:27 C 09 00 12.76 +22 24 00.3 – V 703
2020-09-26 11:59:47 C 09 00 13.27 +22 23 57.3 – V 703
2020-09-26 11:59:50 C 09 00 13.26 +22 23 57.4 – V G96
2020-09-26 12:03:07 C 09 00 13.78 +22 23 54.5 – V 703
2020-09-26 12:03:55 C 09 00 13.90 +22 23 54.3 – V G96
2020-09-26 12:06:27 C 09 00 14.31 +22 23 51.5 – V 703
2020-09-26 12:08:01 C 09 00 14.54 +22 23 50.4 – V G96
2020-10-03 14:42:52 C 09 26 22.49 +19 43 32.2 – V T08
2020-10-03 14:48:50 C 09 26 23.38 +19 43 26.3 – V T08
2020-10-03 15:03:15 C 09 26 25.54 +19 43 12.1 – V T08
2020-10-03 15:21:42 C 09 26 28.31 +19 42 54.1 – V T08
2020-10-05 11:53:57 C 09 33 10.07 +18 58 22.7 – V 703
2020-10-05 12:01:28 C 09 33 11.19 +18 58 15.2 – V 703
2020-10-05 12:08:57 C 09 33 12.30 +18 58 08.6 – V 703
2020-10-05 12:16:27 C 09 33 13.41 +18 58 00.3 – V 703
2020-10-05 14:46:25 C 09 33 35.96 +18 55 29.3 – V T05
2020-10-05 14:54:20 C 09 33 37.12 +18 55 21.5 – V T05
2020-10-05 15:20:14 C 09 33 40.98 +18 54 55.4 – V T05
2020-10-05 15:29:38 C 09 33 42.36 +18 54 46.0 – V T05
2020-10-11 11:39:51 C 09 54 25.94 +16 28 10.2 – V 703
2020-10-11 11:46:59 C 09 54 26.98 +16 28 02.7 – V 703
2020-10-11 11:54:07 C 09 54 28.02 +16 27 54.8 – V 703
2020-10-11 12:01:16 C 09 54 29.07 +16 27 47.2 – V 703
2020-10-14 11:39:39 C 10 04 53.10 +15 09 32.8 – V 703
2020-10-14 11:47:18 C 10 04 54.19 +15 09 24.2 – V 703
2020-10-14 11:54:56 C 10 04 55.30 +15 09 16.4 – V 703
2020-10-14 12:02:35 C 10 04 56.38 +15 09 06.7 – V 703
2020-10-17 01:52:58 C 10 13 48.82 +13 59 58.6 – o L52
2020-10-17 02:03:42 C 10 13 50.35 +13 59 46.7 – o L52
2020-10-17 02:10:25 C 10 13 51.31 +13 59 38.9 – o L52
2020-10-17 11:47:42 C 10 15 13.72 +13 48 46.9 – V 703
2020-10-17 11:57:04 C 10 15 15.05 +13 48 36.4 – V 703
2020-10-17 12:06:26 C 10 15 16.38 +13 48 25.7 – V 703
2020-10-17 12:15:48 C 10 15 17.71 +13 48 15.9 – V 703
2020-10-19 12:30:14 C 10 22 08.58 +12 53 13.6 – U I41
2020-10-19 12:37:02 C 10 22 09.54 +12 53 05.8 – U I41
2020-10-19 12:43:50 C 10 22 10.48 +12 52 58.0 – U I41
2020-10-19 12:50:38 C 10 22 11.45 +12 52 50.3 – U I41
2020-10-19 12:57:27 C 10 22 12.40 +12 52 42.5 – U I41
2020-10-19 14:44:21 C 10 22 27.56 +12 50 41.1 – V T08
2020-10-19 15:19:07 C 10 22 32.44 +12 50 01.4 – V T08
2020-10-19 15:25:44 C 10 22 33.36 +12 49 53.8 – V T08
2020-10-20 12:09:35 C 10 25 28.80 +12 25 58.9 – V 703
2020-10-20 12:14:54 C 10 25 29.55 +12 25 52.8 – V 703
2020-10-20 12:20:13 C 10 25 30.26 +12 25 45.2 – V 703
2020-10-20 12:25:33 C 10 25 31.03 +12 25 40.5 – V 703
2020-10-21 12:09:56 C 10 28 51.25 +11 58 09.7 – V G96
2020-10-21 12:16:40 C 10 28 52.19 +11 58 02.0 – V G96
2020-10-21 12:23:23 C 10 28 53.12 +11 57 54.1 – V G96
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