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
1942-09-09 20:55:41 A 20 33 00.59 -08 44 27.1 020
1942-09-09 21:13:27 A 20 32 59.85 -08 44 27.8 024
1942-09-09 21:30:28 A 20 32 59.24 -08 44 27.0 024
1942-09-09 21:42:58 A 20 32 58.67 -08 44 26.9 024
1942-09-09 21:57:57 A 20 32 58.10 -08 44 26.3 024
1942-09-10 20:19:46 A 20 32 10.78 -08 43 42.3 012
1942-09-11 12:59:10 A 20 31 37 -08 43.4 12.0 388
1942-09-11 19:38:00 A 20 31 24.14 -08 42 55.7 053
1942-09-11 20:32:17 A 20 31 22.47 -08 42 51.9 012
1942-09-11 21:13:43 A 20 31 21.12 -08 42 50.2 11.6 008
1942-09-12 02:00:04 A 20 31 12.18 -08 42 40.6 778
1942-09-12 19:54:59 A 20 30 38.87 -08 42 04.1 053
1942-09-13 02:40:23 A 20 30 27.25 -08 41 47.0 711
1942-09-14 02:24:16 A 20 29 46.99 -08 40 55.0 778
1942-09-14 03:58:29 A 20 29 44.46 -08 40 50.3 711
1942-09-15 03:57:31 A 20 29 07.42 -08 39 55.0 711
1942-09-15 20:59:57 A 20 28 43.01 -08 39 15.5 012
1942-09-17 02:44:54 A 20 28 04.30 -08 37 59.4 778
1942-09-17 18:45:00 A 20 27 45.78 -08 37 18.8 053
1942-09-17 21:54:25 A 20 27 41.94 -08 37 08.7 11.7 008
1942-09-21 21:23:12 A 20 26 21.04 -08 32 28.0 11.7 008
1942-09-24 20:30:01 A 20 25 52.53 -08 28 24.6 11.7 008
1942-09-25 01:27:40 A 20 25 51.55 -08 28 07.4 778
1942-09-26 01:47:01 A 20 25 48.32 -08 26 36.1 778
1942-09-27 21:04:59 A 20 25 49.85 -08 23 42.7 053
1942-09-27 21:25:31 A 20 25 49.91 -08 23 40.8 11.8 008
1942-09-28 21:24:34 A 20 25 54.92 -08 21 59.5 11.9 008
1942-09-29 19:23:59 A 20 26 01.99 -08 20 23.6 053
1942-09-30 01:12:34 A 20 26 04.38 -08 19 58.2 778
1942-10-01 19:49:29 A 20 26 25.67 -08 16 38.1 053
1942-10-01 20:05:47 A 20 26 25.74 -08 16 35.7 012
1942-10-01 20:27:53 A 20 26 26.08 -08 16 33.7 11.9 008
1942-10-02 01:09:44 A 20 26 29.05 -08 16 12.3 778
1942-10-02 20:25:58 A 20 26 41.94 -08 14 35.4 12.1 008
1942-10-03 03:06:42 A 20 26 46.87 -08 14 00.5 711
1942-10-03 03:10:03 A 20 26 46.90 -08 14 00.5 711
1942-10-03 11:10:00 A 20 26 53 -08 13.3 13.6 388
1942-10-04 03:47:57 A 20 27 06.60 -08 11 52.2 711
1942-10-04 03:51:18 A 20 27 06.64 -08 11 52.0 711
1942-10-04 19:33:46 A 20 27 20.79 -08 10 29.0 012
1942-10-04 19:37:44 A 20 27 20.88 -08 10 28.3 053
1942-10-04 19:54:00 A 20 27 21.10 -08 10 26.4 053
1942-10-04 20:08:00 A 20 27 21.28 -08 10 25.5 053
1942-10-04 20:21:59 A 20 27 21.49 -08 10 24.1 053
1942-10-05 05:23:32 A 20 27 29.88 -08 09 33.3 711
1942-10-05 05:25:31 A 20 27 29.92 -08 09 33.1 711
1942-10-06 19:14:59 A 20 28 10.17 -08 06 01.3 053
1942-10-06 20:02:15 A 20 28 11.10 -08 05 54.2 12.2 008
1942-10-07 01:37:15 A 20 28 17.55 -08 05 22.0 778
1942-10-07 11:28:59 A 20 28 29 -08 04.4 12.8 388
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