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
1949-06-29 01:33:23 A 21 34 38.78 -17 14 53.1 013
1949-07-02 00:51:53 A 21 32 15.23 -17 04 02.6 077
1949-07-02 01:14:27 A 21 32 14.43 -17 04 11.4 013
1949-07-02 01:24:30 A 21 32 14.06 -17 04 10.2 013
1949-07-02 03:01:03 A 21 32 10.32 -17 03 55.5 12.2 008
1949-07-03 01:27:08 A 21 31 19.39 -17 00 46.0 013
1949-07-03 01:35:11 A 21 31 18.97 -17 00 46.0 013
1949-07-04 01:15:10 A 21 30 22.91 -16 57 27.4 013
1949-07-04 01:24:59 A 21 30 22.26 -16 57 30.6 013
1949-07-08 03:45:30 A 21 25 54.60 -16 44 34.2 804
1949-07-08 04:00:29 A 21 25 54.00 -16 44 32.7 804
1949-07-08 04:15:37 A 21 25 53.19 -16 44 31.2 804
1949-07-15 02:42:32 A 21 16 30.21 -16 25 40.1 804
1949-07-15 02:57:33 A 21 16 29.21 -16 25 38.7 804
1949-07-15 03:12:33 A 21 16 28.21 -16 25 37.7 804
1949-07-16 16:54:00 A 21 14 03 -16 22.0 12.4 388
1949-07-18 00:00:00 A 21 12.1 -16 17 020
1949-07-18 15:11:00 A 21 10 56.47 -16 17 15.2 388
1949-07-18 15:31:59 A 21 10 54.90 -16 17 13.2 12.5 388
1949-07-20 17:50:00 A 21 07 23 -16 11.5 12.5 388
1949-07-22 02:45:36 A 21 05 00.53 -16 08 50.5 804
1949-07-22 03:00:37 A 21 04 59.37 -16 08 49.2 804
1949-07-22 03:13:07 A 21 04 58.41 -16 08 48.0 804
1949-07-23 01:07:03 A 21 03 20.97 -16 06 54.9 013
1949-07-23 01:15:07 A 21 03 20.35 -16 06 53.8 013
1949-07-24 02:16:36 A 21 01 28.50 -16 04 15.8 804
1949-07-24 02:29:06 A 21 01 27.40 -16 04 15.0 804
1949-07-24 02:39:07 A 21 01 26.72 -16 04 13.6 804
1949-07-26 02:18:36 A 20 57 48.30 -15 59 39.6 804
1949-07-26 02:31:06 A 20 57 47.36 -15 59 38.6 804
1949-07-26 02:41:07 A 20 57 46.57 -15 59 37.6 804
1949-07-28 01:53:36 A 20 54 06.21 -15 55 04.5 804
1949-07-28 02:06:06 A 20 54 05.17 -15 55 03.5 804
1949-07-28 02:16:07 A 20 54 04.37 -15 55 02.8 804
1949-07-30 22:17:51 A 20 48 41.11 -15 48 25.4 077
1949-07-30 23:36:11 A 20 48 35.29 -15 48 30.0 006
1949-07-31 00:20:45 A 20 48 32.45 -15 48 11.1 804
1949-07-31 00:33:15 A 20 48 31.44 -15 48 09.9 804
1949-07-31 00:43:16 A 20 48 30.59 -15 48 09.0 804
1949-07-31 19:50:07 A 20 46 28.9 -15 46 19 12.4 085
1949-07-31 21:33:29 A 20 46.9 -15 45 9.2 094
1949-08-01 14:32:39 A 20 45 31 -15 44.9 377
1949-08-04 23:40:28 A 20 39 04.54 -15 36 19.4 013
1949-08-04 23:49:01 A 20 39 03.82 -15 36 18.2 013
1949-08-06 00:01:28 A 20 37 10.07 -15 33 44.3 013
1949-08-06 02:08:23 A 20 37 00.54 -15 33 16.7 804
1949-08-06 02:20:23 A 20 36 59.52 -15 33 15.5 804
1949-08-06 02:30:22 A 20 36 58.82 -15 33 15.2 804
1949-08-10 00:01:53 A 20 29 49.51 -15 23 01.5 804
1949-08-10 00:14:23 A 20 29 48.56 -15 23 01.0 804
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