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
1931-01-30 11:00:34 A 10 24 51.86 -03 28 24.7 768
1931-01-30 11:03:04 A 10 24 51.74 -03 28 31.3 768
1931-01-30 11:05:34 A 10 24 51.57 -03 28 38.7 768
1931-01-30 11:08:04 A 10 24 51.43 -03 28 45.5 768
1931-01-30 11:11:04 A 10 24 51.35 -03 28 52.6 768
1931-01-30 11:13:34 A 10 24 51.13 -03 29 00.3 768
1931-01-30 11:16:04 A 10 24 51.01 -03 29 06.7 768
1931-01-30 11:18:34 A 10 24 50.91 -03 29 13.3 768
1931-01-30 11:21:04 A 10 24 50.72 -03 29 20.7 768
1931-01-30 11:30:34 A 10 24 50.25 -03 29 45.6 768
1931-01-30 11:33:04 A 10 24 50.13 -03 29 52.3 768
1931-01-30 11:35:34 A 10 24 49.98 -03 29 58.9 768
1931-01-30 11:38:04 A 10 24 49.79 -03 30 07.2 768
1931-01-30 11:40:34 A 10 24 49.69 -03 30 13.6 768
1931-01-31 23:24:07 M 10 23 06.20 -05 06 17.1 p 016
1931-02-01 05:09:33 A 10 22 47.67 -05 20 31.3 839
1931-02-01 07:23:03 A 10 22 40.57 -05 27 26.0 768
1931-02-01 07:25:03 A 10 22 40.44 -05 27 31.6 768
1931-02-01 07:27:03 A 10 22 40.30 -05 27 36.7 768
1931-02-01 07:29:03 A 10 22 40.16 -05 27 41.7 768
1931-02-01 07:35:03 A 10 22 39.82 -05 27 57.4 768
1931-02-01 07:37:03 A 10 22 39.69 -05 28 02.4 768
1931-02-01 07:39:03 A 10 22 39.55 -05 28 08.2 768
1931-02-01 07:41:03 A 10 22 39.43 -05 28 13.5 768
1931-02-01 07:43:03 A 10 22 39.31 -05 28 18.6 768
1931-02-01 08:05:03 A 10 22 37.91 -05 29 17.6 768
1931-02-01 08:07:03 A 10 22 37.82 -05 29 22.9 768
1931-02-01 08:09:03 A 10 22 37.67 -05 29 27.9 768
1931-02-01 08:11:03 A 10 22 37.57 -05 29 33.1 768
1931-02-01 08:13:03 A 10 22 37.41 -05 29 38.4 768
1931-02-01 08:35:03 A 10 22 36.05 -05 30 36.5 768
1931-02-01 08:37:03 A 10 22 35.89 -05 30 41.6 768
1931-02-01 08:39:03 A 10 22 35.80 -05 30 46.9 768
1931-02-01 08:41:03 A 10 22 35.63 -05 30 52.3 768
1931-02-01 08:43:03 A 10 22 35.53 -05 30 58.0 768
1931-02-01 08:45:03 A 10 22 35.39 -05 31 02.7 768
1931-02-01 08:47:03 A 10 22 35.28 -05 31 08.3 768
1931-02-01 08:49:03 A 10 22 35.14 -05 31 13.6 768
1931-02-01 08:55:03 A 10 22 34.80 -05 31 29.4 768
1931-02-01 08:57:03 A 10 22 34.64 -05 31 34.5 768
1931-02-01 08:59:03 A 10 22 34.54 -05 31 39.9 768
1931-02-01 09:01:03 A 10 22 34.42 -05 31 44.9 768
1931-02-01 09:03:03 A 10 22 34.30 -05 31 50.5 768
1931-02-01 09:05:03 A 10 22 34.18 -05 31 55.5 768
1931-02-01 09:07:03 A 10 22 34.07 -05 32 00.7 768
1931-02-01 09:09:03 A 10 22 33.91 -05 32 06.4 768
1931-02-01 09:11:03 A 10 22 33.81 -05 32 11.7 768
1931-02-01 09:13:03 A 10 22 33.68 -05 32 16.7 768
1931-02-01 09:19:03 A 10 22 33.31 -05 32 32.6 768
1931-02-01 09:21:03 A 10 22 33.16 -05 32 37.6 768
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