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
1998-03-03 06:50:36 – 15 14 37.33 -40 20 47.0 – l 443
1998-03-03 07:44:47 – 15 14 40.54 -40 21 37.3 – l 443
1998-03-03 11:56:49 C 15 14 56.113 -40 25 44.09 – l 689
1998-03-03 14:31:52 C 15 15 06.77 -40 27 51.1 – z 422
1998-03-03 14:38:07 C 15 15 07.15 -40 27 57.0 – z 422
1998-03-03 14:46:09 C 15 15 07.64 -40 28 04.4 – z 422
1998-03-03 14:49:03 C 15 15 07.81 -40 28 07.3 – z 422
1998-03-04 11:53:55 C 15 16 24.692 -40 47 44.70 – l 689
1998-03-08 06:53:08 C 15 21 34.75 -42 08 46.6 – z 860
1998-03-08 06:58:37 C 15 21 35.02 -42 08 51.4 – z 860
1998-03-08 12:18:25 C 15 21 52.81 -42 13 18.8 – – 422
1998-03-08 12:29:37 C 15 21 53.39 -42 13 29.2 – – 422
1998-03-08 12:59:47 C 15 21 54.95 -42 13 56.6 – – 422
1998-03-08 13:04:11 C 15 21 55.16 -42 14 00.6 – – 422
1998-03-10 11:39:25 C 15 24 13.677 -42 54 15.20 – l 689
1998-03-11 07:47:44 – 15 25 10.17 -43 11 00.1 – l 443
1998-03-11 08:04:18 – 15 25 10.79 -43 11 12.4 – l 443
1998-03-11 11:37:29 C 15 25 20.508 -43 14 22.96 – l 689
1998-03-11 17:17:26 C 15 25 36.12 -43 18 54.0 – – 422
1998-03-11 17:36:54 C 15 25 36.88 -43 19 10.4 – – 422
1998-03-11 17:38:15 C 15 25 36.94 -43 19 11.5 – – 422
1998-03-11 17:39:32 C 15 25 36.99 -43 19 12.5 – – 422
1998-03-11 17:40:49 C 15 25 37.03 -43 19 13.6 – – 422
1998-03-12 11:33:43 C 15 26 23.923 -43 34 13.14 – l 689
1998-03-13 11:30:47 C 15 27 23.729 -43 53 45.38 – l 689
1998-03-13 14:59:47 C 15 27 33.06 -43 56 20.4 – – 422
1998-03-13 15:02:38 C 15 27 33.17 -43 56 22.8 – – 422
1998-03-13 15:10:04 C 15 27 33.43 -43 56 29.2 – – 422
1998-03-13 15:11:30 C 15 27 33.47 -43 56 30.3 – – 422
1998-03-16 11:22:25 C 15 30 00.787 -44 50 41.37 – l 689
1998-03-19 11:11:33 C 15 32 01.750 -45 44 48.87 – l 689
1998-03-19 12:38:17 C 15 32 05.10 -45 45 32.6 – – 422
1998-03-19 12:43:29 C 15 32 05.20 -45 45 36.7 – – 422
1998-03-19 12:48:45 C 15 32 05.33 -45 45 40.8 – – 422
1998-03-19 12:52:42 C 15 32 05.40 -45 45 43.8 – – 422
1998-03-20 03:24:55 – 15 32 24.97 -45 56 20.0 – l 443
1998-03-20 04:02:25 – 15 32 25.63 -45 56 49.5 – l 443
1998-03-20 04:33:45 – 15 32 26.33 -45 57 12.5 – l 443
1998-03-20 04:59:13 – 15 32 26.64 -45 57 29.4 – l 443
1998-03-20 11:09:15 C 15 32 33.616 -46 02 13.69 – l 689
1998-03-21 03:16:00 – 15 32 53.80 -46 13 25.9 – l 443
1998-03-21 03:39:28 – 15 32 54.10 -46 13 44.1 – l 443
1998-03-21 11:05:21 C 15 33 00.981 -46 19 16.36 – l 689
1998-03-22 13:27:25 C 15 33 27.06 -46 37 22.0 – – 422
1998-03-22 13:32:31 C 15 33 27.12 -46 37 25.2 – – 422
1998-03-22 13:40:17 C 15 33 27.20 -46 37 30.9 – – 422
1998-03-23 03:16:08 – 15 33 37.90 -46 46 47.7 – l 443
1998-03-23 03:40:08 – 15 33 38.21 -46 47 03.6 – l 443
1998-03-23 10:57:20 C 15 33 42.025 -46 52 19.18 – l 689
1998-03-23 12:07:09 C 15 33 44.16 -46 52 45.4 – – 422
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