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
1991-05-21 06:19:45 A 16 17 17.97 -47 26 59.5 808
1991-05-21 06:53:39 A 16 17 14.62 -47 26 43.7 808
1991-07-10 12:00:59 15 29 39.46 -33 01 40.5 323
1991-07-14 12:53:00 15 31 58.11 -32 08 21.7 323
1991-08-02 00:07:57 A 15 49 49.02 -29 04 07.9 808
1991-08-02 00:36:52 A 15 49 50.45 -29 03 58.7 808
1991-08-13 13:17:30 16 05 30.14 -27 48 21.7 323
1991-08-30 13:39:30 16 33 01.42 -26 30 50.8 323
1991-09-05 12:00:00 16 43 33.88 -26 09 27.4 323
1991-09-09 11:23:00 16 50 51.67 -25 56 01.6 323
1991-09-10 11:23:00 16 52 43.39 -25 52 44.1 323
1991-10-09 11:48:59 17 50 35.79 -24 14 41.7 323
1991-10-29 12:12:00 18 33 36.77 -22 44 33.2 323
1993-06-15 10:09:59 21 24 31.08 -20 34 56.5 711
1993-06-15 10:15:52 21 24 31.00 -20 34 55.4 711
1993-06-22 21:02:00 21 21 14.18 -20 07 51.4 m 323
1993-07-16 18:22:00 20 51 46.25 -19 05 34.5 m 323
1993-08-12 15:29:59 20 02 26.07 -17 41 19.1 323
1993-08-13 14:53:00 20 00 54.74 -17 37 28.9 m 323
1993-08-19 16:33:55 19 52 22.69 -17 12 54.2 m 323
1993-08-20 21:54:58 T 19 50 52.897 -17 08 03.54 999
1993-09-06 20:36:09 T 19 38 17.331 -15 57 10.81 999
1993-09-09 00:31:33 A 19 37 46.23 -15 48 00.9 808
1993-09-09 01:27:23 A 19 37 45.60 -15 47 51.6 808
1993-09-09 12:45:00 19 37 40.85 -15 45 55.2 323
1993-09-15 04:30:36 19 37 32.27 -15 22 43.9 711
1993-09-16 04:46:39 19 37 40.39 -15 18 34.3 711
1993-09-17 04:57:09 19 37 51.17 -15 14 23.7 711
1993-09-17 05:06:35 19 37 51.25 -15 14 22.0 711
1993-09-29 20:23:13 C 19 43 43.22 -14 20 51.0 z 107
1993-10-10 13:09:00 19 53 07.68 -13 31 34.3 m 323
1993-11-10 23:03:09 C 20 37 20.62 -10 22 58.3 z 801
1993-11-10 23:30:08 C 20 37 22.50 -10 22 50.0 z 801
1993-11-16 22:49:54 C 20 47 48.75 -09 36 40.9 z 801
1993-11-16 23:04:05 C 20 47 49.79 -09 36 36.1 z 801
1993-12-10 12:54:59 21 33 23.85 -05 56 00.8 323
1994-01-08 01:11:30 22 35 52.60 -00 07 30.7 711
1994-01-09 01:13:43 22 38 12.08 +00 06 14.1 711
1995-05-06 11:29:00 C 22 38 47.32 -08 07 11.7 711
1995-05-06 11:33:54 C 22 38 47.68 -08 07 08.6 711
1995-05-08 11:10:14 C 22 42 14.81 -07 37 53.4 711
1995-05-08 11:15:14 C 22 42 15.14 -07 37 50.5 711
1995-05-08 11:22:14 C 22 42 15.63 -07 37 46.2 711
1995-05-31 10:47:01 C 23 19 43.06 -01 49 53.1 711
1995-05-31 10:51:44 C 23 19 43.37 -01 49 50.1 711
1995-05-31 10:56:57 C 23 19 43.69 -01 49 46.7 711
1995-05-31 11:01:39 C 23 19 43.97 -01 49 43.8 711
1995-06-01 10:41:52 C 23 21 13.86 -01 34 28.8 711
1995-06-01 10:50:41 C 23 21 14.40 -01 34 23.2 711
1995-06-01 10:55:58 C 23 21 14.73 -01 34 19.8 711
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