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
1931-03-24 21:30:26 A 09 39 18.32 -26 30 19.9 008
1931-03-25 21:29:26 A 09 39 53.23 -26 26 28.8 999
1931-03-25 23:56:53 A 09 39 57.64 -26 25 31.7 839
1931-03-26 19:27:31 A 09 40 29.05 -26 22 34.3 999
1931-03-26 19:44:57 A 09 40 29.43 -26 22 30.4 999
1931-03-26 20:07:23 A 09 40 29.93 -26 22 25.8 999
1931-03-26 20:24:22 A 09 40 30.29 -26 22 23.1 999
1931-03-26 21:26:08 A 09 40 31.45 -26 22 14.9 999
1931-03-27 20:31:54 A 09 41 12.11 -26 17 48.3 999
1931-03-27 20:44:51 A 09 41 12.48 -26 17 45.1 999
1931-03-27 21:12:40 A 09 41 12.76 -26 17 38.2 008
1931-03-27 21:17:39 A 09 41 12.88 -26 17 37.3 008
1931-03-27 21:22:52 A 09 41 13.02 -26 17 37.1 999
1931-03-27 21:23:38 A 09 41 13.02 -26 17 35.7 008
1931-03-27 21:29:37 A 09 41 13.15 -26 17 34.8 008
1931-03-28 21:00:50 A 09 41 57.37 -26 12 46.4 008
1931-03-28 21:05:49 A 09 41 57.48 -26 12 45.4 008
1931-03-28 21:10:49 A 09 41 57.60 -26 12 44.1 008
1931-03-28 21:15:44 A 09 41 57.73 -26 12 43.4 008
1931-03-29 21:01:48 A 09 42 45.49 -26 07 35.1 008
1931-03-29 21:08:47 A 09 42 45.67 -26 07 33.6 008
1931-03-29 21:14:47 A 09 42 45.86 -26 07 32.5 008
1931-03-29 21:19:46 A 09 42 45.99 -26 07 31.6 008
1931-03-30 21:15:50 A 09 43 37.15 -26 02 05.2 008
1931-03-30 21:20:50 A 09 43 37.28 -26 02 04.5 008
1931-03-30 21:25:49 A 09 43 37.44 -26 02 03.4 008
1931-03-30 21:30:48 A 09 43 37.59 -26 02 02.1 008
1931-03-30 23:27:17 A 09 43 42.74 -26 01 06.9 839
1931-03-31 21:10:25 A 09 44 31.33 -25 56 27.8 999
1931-04-03 00:13:18 A 09 46 36.69 -25 43 13.4 839
1931-04-03 20:47:14 A 09 47 30.32 -25 38 17.3 008
1931-04-03 20:53:13 A 09 47 30.57 -25 38 15.9 008
1931-04-03 21:00:12 A 09 47 30.82 -25 38 13.7 008
1931-04-03 21:06:11 A 09 47 31.03 -25 38 12.3 008
1931-04-04 20:37:14 A 09 48 35.36 -25 31 54.4 008
1931-04-04 20:42:13 A 09 48 35.56 -25 31 53.2 008
1931-04-04 20:47:12 A 09 48 35.74 -25 31 51.6 008
1931-04-04 20:53:12 A 09 48 35.98 -25 31 50.2 008
1931-04-05 20:55:57 A 09 49 44.17 -25 25 16.7 999
1931-04-06 00:29:12 A 09 49 54.62 -25 23 51.1 839
1931-04-06 01:53:25 A 09 49 58.86 -25 23 53.5 768
1931-04-06 01:59:25 A 09 49 59.12 -25 23 51.7 768
1931-04-06 02:04:55 A 09 49 59.36 -25 23 50.1 768
1931-04-06 02:28:25 A 09 50 00.37 -25 23 43.7 768
1931-04-06 02:31:55 A 09 50 00.51 -25 23 43.2 768
1931-04-06 02:35:25 A 09 50 00.69 -25 23 41.7 768
1931-04-06 02:43:25 A 09 50 01.01 -25 23 39.8 768
1931-04-06 02:46:55 A 09 50 01.17 -25 23 38.9 768
1931-04-06 02:50:25 A 09 50 01.32 -25 23 37.8 768
1931-04-06 02:57:55 A 09 50 01.65 -25 23 35.7 768
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