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
1949-08-10 00:24:42 A 20 29 47.74 -15 22 59.0 804
1949-08-12 23:13:04 A 20 24 36.30 -15 15 11.1 013
1949-08-12 23:21:08 A 20 24 35.70 -15 15 11.1 013
1949-08-14 20:44:57 A 20 21 25 -15 09.6 11.5 078
1949-08-14 22:28:15 A 20 21 17.73 -15 09 41.3 013
1949-08-14 22:36:18 A 20 21 17.15 -15 09 40.3 013
1949-08-15 00:02:09 A 20 21 11.70 -15 09 14.7 804
1949-08-15 00:14:40 A 20 21 10.81 -15 09 14.1 804
1949-08-15 00:23:40 A 20 21 10.14 -15 09 12.5 804
1949-08-15 00:35:09 A 20 21 09.38 -15 09 12.0 804
1949-08-15 12:08:59 A 20 20 21.86 -15 07 59.6 388
1949-08-15 12:29:59 A 20 20 19.75 -15 07 59.9 12.3 388
1949-08-16 00:41:07 A 20 19 30.63 -15 06 34.1 013
1949-08-16 00:47:10 A 20 19 30.28 -15 06 33.5 013
1949-08-16 22:34:33 A 20 18 04.06 -15 03 54.9 006
1949-08-22 01:53:22 A 20 10 33.22 -14 48 37.7 804
1949-08-22 02:05:52 A 20 10 32.50 -14 48 35.6 804
1949-08-22 02:14:52 A 20 10 32.02 -14 48 35.0 804
1949-08-29 13:45:00 A 20 01 51.73 -14 25 37.1 12.0 388
1949-08-31 20:45:20 A 19 59 49.03 -14 18 46.6 013
1949-08-31 20:57:33 A 19 59 48.62 -14 18 45.6 013
1949-09-04 21:13:20 A 19 56 53.15 -14 06 02.8 013
1949-09-04 21:25:24 A 19 56 52.82 -14 06 02.3 013
1949-09-05 20:03:41 A 19 56 18.98 -14 03 00.2 013
1949-09-05 20:15:44 A 19 56 18.75 -14 02 59.0 013
1949-09-09 20:39:24 A 19 54 26.46 -13 50 03.2 013
1949-09-09 20:51:43 A 19 54 26.41 -13 50 02.3 013
1949-09-11 19:40:05 A 19 53 50.20 -13 43 38.3 013
1949-09-11 19:55:08 A 19 53 50.05 -13 43 37.0 013
1949-09-20 21:23:21 A 19 53 29.00 -13 13 13.1 013
1949-09-20 21:38:23 A 19 53 29.06 -13 13 11.8 013
1949-10-17 19:25:26 A 20 12 14.52 -11 23 53.5 13.2 008
1949-10-21 19:30:38 A 20 16 59.73 -11 03 39.6 13.0 008
1949-10-30 18:21:04 A 20 29 02.82 -10 13 18.2 013
1949-10-30 18:42:07 A 20 29 04.29 -10 13 11.1 013
1951-07-03 08:23:58 A 00 16 10.18 +08 38 39.4 14.5 760
1951-07-03 08:46:58 A 00 16 11.42 +08 38 55.5 14.5 760
1951-07-12 02:36:05 A 00 26 37.33 +11 07 38.1 13.9 008
1951-07-12 03:02:01 A 00 26 38.49 +11 07 56.0 008
1951-07-15 02:53:12 A 00 29 56.29 +11 59 22.8 13.8 008
1951-07-29 02:47:09 A 00 43 05.42 +16 03 35.9 13.2 008
1951-07-29 03:10:04 A 00 43 06.17 +16 03 53.2 008
1951-08-08 03:15:33 A 00 49 33.88 +19 01 24.6 12.7 008
1951-08-08 03:35:31 A 00 49 34.23 +19 01 39.7 008
1951-08-23 00:11:06 A 00 52 53.04 +23 25 13.4 12.2 008
1951-08-23 00:27:33 A 00 52 52.93 +23 25 25.3 008
1951-08-30 00:32:43 A 00 51 04.35 +25 25 36.6 12.0 008
1951-09-02 15:15:00 A 00 49 10 +26 24.5 11.0 388
1951-09-03 14:02:39 A 00 48 31 +26 40.0 11.0 388
1951-09-05 22:48:00 A 00 46.7 +27 17 11.3 020
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