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
1981-09-06 23:26:01 A 02 36 01.97 +35 50 19.4 528
1981-09-06 23:32:38 A 02 36 02.36 +35 50 27.0 528
1981-09-06 23:38:27 A 02 36 02.64 +35 50 32.5 528
1981-09-06 23:47:02 A 02 36 02.98 +35 50 39.3 528
1981-09-06 23:51:57 A 02 36 03.28 +35 50 45.4 528
1981-09-07 00:59:04 A 02 36 06.31 +35 51 46.9 13.0 528
1981-09-07 01:08:25 A 02 36 06.67 +35 51 54.2 528
1981-09-07 01:11:33 A 02 36 06.87 +35 51 57.9 528
1981-09-07 01:25:03 A 02 36 07.50 +35 52 10.7 528
1981-09-07 01:28:32 A 02 36 07.68 +35 52 14.3 528
1981-09-07 01:33:27 A 02 36 07.84 +35 52 17.4 528
1981-09-07 01:41:43 A 02 36 08.29 +35 52 26.5 528
1981-09-07 01:49:42 A 02 36 08.62 +35 52 33.0 528
1981-09-07 02:05:38 A 02 36 09.32 +35 52 47.1 528
1981-09-29 22:06:05 A 02 55 21.68 +44 26 55.9 022
1981-09-29 22:54:58 A 02 55 22.38 +44 27 43.2 022
1981-09-30 22:20:07 A 02 55 44.10 +44 49 43.1 022
1981-09-30 23:05:00 A 02 55 44.59 +44 50 25.8 022
1981-10-07 22:55:54 A 02 56 48.18 +47 25 28.5 022
1981-10-07 23:12:52 A 02 56 48.15 +47 25 43.2 022
1981-10-09 21:42:29 A 02 56 33.99 +48 07 21.6 553
1981-10-09 22:27:29 A 02 56 34.10 +48 07 58.9 553
1981-10-09 23:27:40 A 02 56 32.91 +48 08 50.3 553
1981-10-11 22:21:14 A 02 56 05.10 +48 50 15.7 553
1981-10-23 21:02:09 A 02 47 10.89 +52 35 35.5 022
1981-10-23 21:46:02 A 02 47 08.45 +52 36 05.8 022
1981-10-26 21:22:47 A 02 43 12.36 +53 21 23.1 553
1981-10-26 22:38:47 A 02 43 07.16 +53 22 10.3 553
1981-10-28 21:11:25 A 02 40 13.57 +53 48 24.9 022
1981-10-28 21:55:17 A 02 40 10.40 +53 48 49.4 022
1981-11-01 20:31:45 A 02 33 30.44 +54 33 05.5 022
1981-11-01 21:12:38 A 02 33 27.09 +54 33 23.3 022
1981-11-01 22:50:59 A 02 33 19.06 +54 34 02.8 026
1981-11-02 21:02:00 A 02 31 37.78 +54 42 27.3 553
1981-11-02 21:05:12 A 02 31 37.63 +54 42 29.2 022
1981-11-02 22:00:03 A 02 31 33.01 +54 42 50.4 022
1981-11-02 22:41:00 A 02 31 29.45 +54 43 06.5 553
1981-11-03 03:47:59 A 02 31 03.91 +54 44 46.6 026
1981-11-06 20:55:07 A 02 23 53.41 +55 09 56.9 553
1981-11-06 21:39:09 A 02 23 49.14 +55 10 09.6 553
1981-11-20 20:31:55 A 01 56 20.68 +54 39 48.1 504
1981-11-20 20:51:21 A 01 56 19.09 +54 39 40.7 504
1981-11-22 20:15:59 A 01 53 04.80 +54 19 11.5 022
1981-11-22 21:03:52 A 01 53 01.29 +54 18 49.5 022
1981-11-23 03:46:00 A 01 52 34.43 +54 15 39.2 786
1981-11-23 03:58:00 A 01 52 33.74 +54 15 33.4 786
1981-11-25 20:54:04 A 01 48 43.84 +53 40 38.5 022
1981-11-25 21:33:57 A 01 48 41.32 +53 40 14.2 022
1981-11-25 21:37:54 A 01 48 41.55 +53 40 15.4 491
1981-11-25 21:46:53 A 01 48 40.99 +53 40 09.8 491
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