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
1988-10-03 22:36:25 A 00 54 31.67 +38 06 33.7 553
1988-10-04 21:50:44 A 00 52 43.72 +38 14 44.5 553
1988-10-04 22:11:17 A 00 52 42.06 +38 14 48.6 553
1988-10-04 22:30:32 A 00 52 39.83 +38 14 57.1 553
1988-10-04 22:49:24 A 00 52 38.72 +38 15 01.5 553
1988-10-05 01:07:39 T 00 52 27.557 +38 16 05.91 950
1988-10-06 01:01:49 T 00 50 33.195 +38 23 48.58 950
1988-10-08 00:50:03 T 00 46 37.861 +38 37 02.53 950
1988-10-11 00:32:10 T 00 40 31.816 +38 51 08.72 950
1988-10-13 00:20:09 T 00 36 22.021 +38 56 34.62 950
1988-10-14 20:55:59 A 00 32 27.55 +38 58 37.8 026
1988-10-15 21:17:29 A 00 30 19.13 +38 58 37.6 026
1988-10-18 23:44:05 T 00 23 50.296 +38 53 32.66 950
1988-10-22 23:20:23 T 00 15 50.428 +38 35 53.20 950
1988-10-27 22:51:39 T 00 06 44.413 +37 57 56.69 950
1988-11-26 06:44:00 A 23 49 44.77 +31 20 53.2 657
1988-12-10 10:14:59 A 00 05 13.65 +28 28 23.1 12.0 897
1988-12-10 11:03:59 A 00 05 16.66 +28 28 01.5 897
1988-12-10 19:57:47 T 00 05 51.896 +28 24 14.12 950
1988-12-13 19:50:57 T 00 10 51.449 +27 54 31.52 950
1989-01-11 22:40:43 A 01 22 13.66 +24 47 31.4 491
1989-01-11 22:50:12 A 01 22 14.82 +24 47 29.0 491
1989-01-11 22:59:40 A 01 22 16.05 +24 47 27.9 491
1989-01-12 19:48:15 A 01 24 55.99 +24 43 52.2 491
1989-01-12 19:58:14 A 01 24 57.27 +24 43 50.2 491
1989-01-12 20:08:12 A 01 24 58.49 +24 43 48.5 491
1989-01-25 18:24:59 A 02 07 26.99 +23 52 50.8 091
1989-01-25 18:54:59 A 02 07 31.10 +23 52 45.5 091
1989-01-26 20:53:00 A 02 11 16.61 +23 48 27.6 091
1989-01-27 18:51:00 A 02 14 30.01 +23 44 46.9 091
1989-01-28 19:02:59 A 02 18 03.55 +23 40 41.5 091
1989-02-01 20:37:59 A 02 32 40.29 +23 23 21.8 091
1989-03-06 20:58:32 A 04 40 43.41 +19 40 43.8 491
1989-03-06 21:08:31 A 04 40 44.96 +19 40 39.4 491
1989-03-06 21:18:30 A 04 40 46.67 +19 40 35.4 491
1989-03-08 21:22:08 A 04 48 46.06 +19 20 52.1 491
1989-03-08 21:32:06 A 04 48 47.70 +19 20 48.1 491
1989-03-08 21:42:05 A 04 48 49.36 +19 20 43.6 491
1989-05-05 22:01:52 A 08 26 07.78 +05 49 06.5 491
1989-05-05 22:11:50 A 08 26 09.20 +05 48 59.8 491
1989-05-05 22:21:49 A 08 26 10.49 +05 48 52.7 491
1989-05-07 21:07:07 A 08 32 47.54 +05 17 21.7 491
1989-05-07 21:17:06 A 08 32 48.87 +05 17 15.4 491
1989-05-07 21:27:05 A 08 32 50.25 +05 17 09.2 491
1991-03-21 08:53:49 A 16 48 07.36 -42 54 17.0 808
1991-03-21 09:23:44 A 16 48 09.26 -42 54 31.0 808
1991-04-19 07:53:39 A 17 07 43.26 -47 47 48.3 808
1991-04-19 08:45:30 A 17 07 42.17 -47 48 03.2 808
1991-04-22 07:20:55 A 17 06 07.08 -48 07 52.2 808
1991-04-22 08:00:48 A 17 06 05.76 -48 08 02.4 808
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