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
1931-02-02 05:24:08 A 10 21 31.96 -06 25 17.5 768
1931-02-02 05:26:38 A 10 21 31.84 -06 25 22.9 768
1931-02-02 05:29:08 A 10 21 31.53 -06 25 29.8 768
1931-02-02 05:31:38 A 10 21 31.44 -06 25 36.5 768
1931-02-02 06:21:08 A 10 21 28.24 -06 27 45.4 768
1931-02-02 06:23:08 A 10 21 28.15 -06 27 50.8 768
1931-02-02 06:25:08 A 10 21 28.01 -06 27 56.0 768
1931-02-02 06:27:08 A 10 21 27.90 -06 28 01.1 768
1931-02-02 06:29:08 A 10 21 27.76 -06 28 06.5 768
1931-02-02 06:31:08 A 10 21 27.65 -06 28 11.6 768
1931-02-02 06:33:08 A 10 21 27.52 -06 28 17.1 768
1931-02-02 06:35:08 A 10 21 27.38 -06 28 22.5 768
1931-02-02 06:52:56 A 10 21 25.83 -06 29 06.8 780
1931-02-02 07:19:56 A 10 21 24.05 -06 30 17.1 780
1931-02-02 08:07:08 A 10 21 21.43 -06 32 21.2 768
1931-02-02 08:09:38 A 10 21 21.27 -06 32 27.2 768
1931-02-02 08:12:08 A 10 21 21.08 -06 32 33.9 768
1931-02-02 08:14:38 A 10 21 20.95 -06 32 41.4 768
1931-02-02 08:17:08 A 10 21 20.79 -06 32 48.6 768
1931-02-02 08:19:38 A 10 21 20.61 -06 32 54.8 768
1931-02-02 08:22:08 A 10 21 20.47 -06 33 01.3 768
1931-02-02 08:24:38 A 10 21 20.25 -06 33 07.1 768
1931-02-02 08:27:08 A 10 21 20.12 -06 33 14.0 768
1931-02-02 08:29:38 A 10 21 19.96 -06 33 19.9 768
1931-02-02 08:32:08 A 10 21 19.81 -06 33 26.4 768
1931-02-02 08:34:38 A 10 21 19.66 -06 33 33.2 768
1931-02-02 08:37:08 A 10 21 19.47 -06 33 39.8 768
1931-02-02 08:39:38 A 10 21 19.30 -06 33 46.3 768
1931-02-02 09:24:08 A 10 21 16.48 -06 35 40.9 768
1931-02-02 09:26:38 A 10 21 16.36 -06 35 47.8 768
1931-02-02 09:29:08 A 10 21 16.20 -06 35 54.0 768
1931-02-02 09:31:38 A 10 21 16.06 -06 36 00.2 768
1931-02-02 09:34:08 A 10 21 15.86 -06 36 07.0 768
1931-02-02 09:38:38 A 10 21 15.58 -06 36 18.3 768
1931-02-02 09:41:08 A 10 21 15.42 -06 36 24.5 768
1931-02-02 09:43:38 A 10 21 15.21 -06 36 31.2 768
1931-02-02 09:46:08 A 10 21 15.08 -06 36 39.4 768
1931-02-02 09:48:38 A 10 21 14.95 -06 36 45.1 768
1931-02-02 09:51:08 A 10 21 14.78 -06 36 51.7 768
1931-02-03 03:35:57 A 10 20 19.98 -07 22 38.0 780
1931-02-03 03:39:55 M 10 20 16.03 -07 22 50.8 q 020
1931-02-03 04:04:00 A 10 20 18.18 -07 23 50.0 780
1931-02-03 04:29:12 A 10 20 15.70 -07 23 56.7 839
1931-02-03 04:29:29 A 10 20 16.80 -07 24 57.0 768
1931-02-03 04:31:59 A 10 20 16.59 -07 25 03.7 768
1931-02-03 04:34:29 A 10 20 16.44 -07 25 10.3 768
1931-02-03 04:36:59 A 10 20 16.30 -07 25 16.7 768
1931-02-03 04:39:29 A 10 20 16.12 -07 25 23.0 768
1931-02-03 04:41:59 A 10 20 15.99 -07 25 29.5 768
1931-02-03 04:43:59 A 10 20 15.87 -07 25 34.3 768
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