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
2008-01-02 14:41:51 C 21 50 42.40 -06 21 31.8 r 084
2008-01-03 15:20:15 C 21 53 00.42 -06 08 02.8 r 084
2008-01-03 15:23:28 C 21 53 00.74 -06 08 01.1 r 084
2008-01-04 15:15:37 C 21 55 14.75 -05 54 51.2 r 084
2008-01-06 15:00:06 C 21 59 43.77 -05 28 14.6 r 084
2008-01-06 15:02:19 C 21 59 43.99 -05 28 13.5 r 084
2008-01-15 16:03:02 C 22 20 22.26 -03 22 29.2 r 084
2008-01-15 16:05:13 C 22 20 22.46 -03 22 27.8 r 084
2008-02-16 16:07:52 C 23 37 17.69 +04 54 44.4 r 084
2008-02-16 16:09:27 C 23 37 17.84 +04 54 44.9 r 084
2009-04-16 18:39:37 C 21 32 41.92 -17 33 17.8 r E12
2009-04-16 18:51:50 C 21 32 42.86 -17 33 11.5 r E12
2009-04-16 19:05:19 C 21 32 43.90 -17 33 05.0 r E12
2009-04-16 19:17:42 C 21 32 44.88 -17 32 58.9 r E12
2009-04-30 18:26:19 C 21 57 33.69 -14 41 42.5 r E12
2009-04-30 18:38:36 C 21 57 34.56 -14 41 36.2 r E12
2009-04-30 18:50:53 C 21 57 35.38 -14 41 30.2 r E12
2009-04-30 19:03:07 C 21 57 36.25 -14 41 24.2 r E12
2009-05-29 10:38:20 C 22 39 59.00 -08 37 16.5 r 703
2009-05-29 10:42:42 C 22 39 59.22 -08 37 14.1 r 703
2009-05-29 10:47:05 C 22 39 59.47 -08 37 12.0 r 703
2009-05-29 10:51:29 C 22 39 59.68 -08 37 09.3 r 703
2009-06-08 05:05:29 C 22 51 20.14 -06 32 48.3 r J51
2009-06-08 05:10:45 C 22 51 20.37 -06 32 45.6 r J51
2009-06-08 05:16:00 C 22 51 20.60 -06 32 42.8 r J51
2009-06-16 10:18:08 C 22 59 23.49 -04 49 09.0 r H06
2009-06-16 10:31:18 C 22 59 23.96 -04 49 02.3 r H06
2009-06-16 10:43:09 C 22 59 24.38 -04 48 56.1 r H06
2009-06-22 23:51:50 C 23 04 41.06 -03 27 36.6 13.6 r C20
2009-06-23 23:48:41 C 23 05 23.41 -03 15 20.8 13.6 r C20
2009-06-24 10:02:53 C 23 05 41.02 -03 10 05.8 r 703
2009-06-24 10:13:15 C 23 05 41.31 -03 10 00.5 r 703
2009-06-24 10:23:31 C 23 05 41.56 -03 09 55.2 r 703
2009-06-24 10:33:49 C 23 05 41.85 -03 09 49.9 r 703
2009-06-28 05:54:49 C 23 08 05.19 -02 23 21.8 r I21
2009-06-28 06:32:11 C 23 08 06.02 -02 23 02.8 r I21
2009-06-28 07:05:32 C 23 08 06.76 -02 22 46.5 r I21
2009-07-03 23:46:59 C 23 10 51.62 -01 14 53.1 13.4 r C20
2009-07-06 00:16:24 C 23 11 34.99 -00 51 09.9 13.1 r C20
2009-07-06 22:45:49 C 23 11 52.43 -00 40 15.0 13.3 r C20
2009-07-06 23:38:36 C 23 11 53.04 -00 39 50.2 r 585
2009-07-06 23:42:16 C 23 11 53.12 -00 39 48.1 r 585
2009-07-06 23:47:07 C 23 11 53.12 -00 39 46.1 r 585
2009-07-06 23:47:49 C 23 11 53.13 -00 39 45.6 r 585
2009-07-07 00:24:19 C 23 11 53.47 -00 39 27.3 13.1 r C20
2009-07-07 22:21:21 C 23 12 08.64 -00 28 51.6 13.2 r C20
2009-07-07 23:59:03 C 23 12 09.54 -00 28 04.5 13.0 r C20
2009-07-08 11:33:28 C 23 12 16.519 -00 22 30.10 g 689
2009-07-08 23:54:10 C 23 12 23.69 -00 16 35.9 13.1 r C20
2009-07-09 11:29:46 C 23 12 29.643 -00 11 02.94 g 689
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