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
1975-04-16 19:20:59 A 09 20 24.06 -14 46 11.0 022
1975-04-16 19:28:10 A 09 20 24.74 -14 46 11.3 022
1975-04-18 01:11:24 A 09 23 17.69 -14 48 28.3 805
1975-04-18 01:19:54 A 09 23 18.52 -14 48 29.1 805
1975-04-18 01:28:24 A 09 23 19.33 -14 48 30.3 805
1975-04-20 01:37:16 A 09 28 01.42 -14 52 48.4 805
1975-04-20 01:43:15 A 09 28 02.12 -14 52 45.1 805
1975-04-20 01:49:16 A 09 28 02.90 -14 52 43.0 805
1975-04-24 09:20:30 A 09 38 18.42 -15 01 14.0 420
1975-04-30 19:41:11 A 09 53 50.18 -15 13 47.2 057
1975-05-08 00:14:52 A 10 11 28.07 -15 27 49.4 805
1975-05-08 00:26:57 A 10 11 29.28 -15 27 50.5 805
1975-05-08 00:39:02 A 10 11 30.53 -15 27 52.6 805
1977-04-22 06:52:15 A 19 04 29.79 -38 38 19.4 805
1977-05-13 20:35:00 A 19 11 45.80 -39 26 09.6 323
1977-05-13 21:04:59 A 19 11 45.21 -39 26 14.0 323
1977-07-12 14:38:30 A 17 33 59.88 -33 48 16.4 323
1977-07-12 15:02:59 A 17 33 58.47 -33 48 01.7 323
1977-08-12 10:11:29 A 17 22 17.28 -27 42 28.5 414
1977-08-12 10:28:26 A 17 22 17.59 -27 42 22.1 414
1977-08-14 09:37:41 A 17 23 10.60 -27 24 37.4 414
1977-08-14 09:56:38 A 17 23 10.91 -27 24 30.4 414
1979-06-18 21:35:00 A 22 24 36.70 -10 36 50.9 323
1979-07-19 23:26:06 A 22 17 06.28 -06 47 06.3 095
1979-07-22 06:41:24 A 22 14 45.53 -06 34 54.7 805
1979-07-30 23:45:40 A 22 03 37.62 -05 57 27.2 095
1979-08-20 13:41:00 A 21 27 49.69 -05 16 56.8 394
1979-08-20 13:59:59 A 21 27 48.23 -05 16 54.5 394
1979-08-20 16:25:59 A 21 27 36.86 -05 16 39.7 323
1979-08-20 16:50:59 A 21 27 34.92 -05 16 38.6 323
1979-08-23 14:31:30 A 21 22 17.27 -05 15 55.1 394
1979-08-23 14:58:14 A 21 22 15.15 -05 15 53.9 394
1979-08-25 21:53:29 A 21 18 10.96 -05 15 50.6 494
1979-08-27 05:58:30 A 21 15 51.51 -05 15 55.5 688
1979-08-30 22:00:59 A 21 09 45.18 -05 16 58.5 519
1979-08-30 22:09:00 A 21 09 44.62 -05 16 58.8 519
1979-08-30 22:16:59 A 21 09 44.05 -05 16 58.0 519
1979-08-30 22:20:59 A 21 09 43.78 -05 16 58.8 519
1981-09-04 22:40:50 A 02 33 36.05 +35 05 48.7 553
1981-09-04 23:49:50 A 02 33 39.19 +35 06 49.1 553
1981-09-05 00:31:52 A 02 33 41.51 +35 07 29.4 553
1981-09-06 01:43:39 A 02 34 57.37 +35 30 29.6 12.0 528
1981-09-06 01:48:34 A 02 34 57.61 +35 30 34.4 528
1981-09-06 01:55:22 A 02 34 57.96 +35 30 41.2 528
1981-09-06 02:13:03 A 02 34 58.75 +35 30 56.4 528
1981-09-06 02:17:01 A 02 34 58.94 +35 31 00.3 528
1981-09-06 22:48:39 A 02 36 00.19 +35 49 45.1 022
1981-09-06 23:15:36 A 02 36 01.46 +35 50 10.6 022
1981-09-06 23:16:27 A 02 36 01.57 +35 50 11.5 13.0 528
1981-09-06 23:22:38 A 02 36 01.85 +35 50 17.0 528
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