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
1937-12-11 01:29:10 A 03 58 06.84 +60 33 49.9 797
1937-12-13 03:02:11 A 03 56 14.22 +59 56 50.8 778
1937-12-14 02:57:26 A 03 55 27.86 +59 36 54.5 778
1937-12-15 00:17:04 A 03 54 52.58 +59 17 54.0 797
1937-12-15 04:34:02 A 03 54 42.49 +59 14 04.4 778
1937-12-24 02:17:46 A 03 52 58.57 +55 05 14.0 778
1937-12-24 02:27:48 A 03 52 58.13 +55 04 59.8 797
1938-01-02 02:15:13 A 03 59 32.08 +49 16 51.2 778
1938-01-04 02:25:20 A 04 02 05.38 +47 48 01.6 778
1938-01-06 02:11:36 A 04 04 59.29 +46 16 39.4 778
1938-01-10 01:41:19 A 04 11 45.72 +43 05 47.3 778
1938-01-20 20:32:21 A 04 35 11.90 +33 57 15.0 999
1938-01-21 20:11:33 A 04 37 36.95 +33 06 32.6 999
1938-01-21 20:33:59 A 04 37 39.16 +33 05 44.4 999
1938-01-27 21:55:06 A 04 53 13.09 +27 58 32.8 029
1938-01-27 22:02:06 A 04 53 13.88 +27 58 17.8 029
1938-01-27 22:09:06 A 04 53 14.56 +27 58 02.7 029
1938-01-27 22:59:00 A 04 53 19.87 +27 56 18.4 029
1938-01-27 23:06:00 A 04 53 20.54 +27 56 03.8 029
1938-01-30 20:25:36 A 05 01 09.76 +25 34 33.4 029
1938-01-30 22:39:12 A 05 01 24.14 +25 30 02.0 029
1938-02-05 01:44:43 A 05 15 43.41 +21 30 39.8 778
1938-02-05 22:06:12 A 05 18 07.26 +20 52 31.2 029
1938-02-05 22:11:12 A 05 18 07.83 +20 52 22.1 029
1938-02-05 22:16:12 A 05 18 08.36 +20 52 12.0 029
1938-02-05 22:21:06 A 05 18 08.91 +20 52 02.3 029
1938-02-05 22:26:06 A 05 18 09.49 +20 51 53.2 029
1938-02-05 22:31:06 A 05 18 10.07 +20 51 43.7 029
1938-02-08 01:05:32 A 05 24 13.08 +19 19 48.0 778
1938-02-11 02:32:37 A 05 33 02.97 +17 11 52.0 778
1938-02-14 00:24:44 A 05 41 32.88 +15 16 46.9 778
1938-02-16 19:35:22 A 05 49 44.32 +13 32 19.4 999
1938-02-17 00:42:59 A 05 50 21.86 +13 24 37.8 778
1938-02-18 21:41:48 A 05 55 51.01 +12 18 18.8 029
1938-02-18 21:43:48 A 05 55 51.25 +12 18 16.0 029
1938-02-18 21:45:48 A 05 55 51.48 +12 18 13.8 029
1938-02-19 20:02:00 A 05 58 34.3 +11 47.1 9.0 031
1938-02-20 19:45:30 A 06 01 33.2 +11 13 39 9.0 031
1938-02-21 18:24:01 A 06 04 16.46 +10 43 05.7 077
1938-02-21 20:56:30 A 06 04 36.4 +10 39 03 9.5 031
1938-02-22 20:48:35 A 06 07 30.74 +10 07 15.8 999
1938-02-23 21:27:32 A 06 10 31.95 +09 35 12.5 999
1938-02-23 22:07:45 A 06 10 36.3 +09 33 49 9.5 031
1938-02-24 20:01:24 A 06 13 18.52 +09 06 29.6 029
1938-02-24 20:06:18 A 06 13 19.09 +09 06 22.7 029
1938-02-24 20:11:18 A 06 13 19.68 +09 06 16.5 029
1938-02-24 20:53:00 A 06 13 27.3 +09 05 19 9.5 031
1938-02-25 21:28:30 A 06 16 27.8 +08 34 56 9.5 031
1938-03-02 00:20:19 A 06 28 35.57 +06 39 53.7 778
1938-03-04 20:09:48 A 06 36 55.85 +05 27 22.2 999
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