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
1983-11-01 20:00:59 A 10 50 38.03 +09 38 51.6 323
1984-04-09 19:27:59 A 18 08 37.96 -42 05 17.3 323
1984-06-27 21:32:09 A 16 42 50.47 -37 55 46.4 491
1984-06-27 21:45:06 A 16 42 49.81 -37 55 36.3 491
1984-06-29 21:52:13 A 16 40 21.66 -37 21 58.4 491
1984-06-29 22:11:40 A 16 40 20.67 -37 21 44.4 491
1986-06-12 02:51:45 A 21 55 18.52 -15 59 13.9 491
1986-06-14 02:55:22 A 21 55 50.90 -15 45 27.6 491
1986-07-10 01:01:36 A 21 46 40.18 -13 24 58.5 491
1986-08-09 20:29:55 A 20 57 55.25 -12 04 43.3 095
1986-08-26 11:26:03 20 29 54.38 -11 36 36.4 c 260
1986-08-26 12:31:02 20 29 50.21 -11 36 32.1 c 260
1986-09-04 22:04:57 A 20 18 53.90 -11 20 30.7 491
1986-09-04 22:22:09 A 20 18 53.16 -11 20 29.1 491
1986-10-03 20:17:53 A 20 13 43.65 -10 14 33.9 491
1986-10-07 19:16:18 A 20 15 59.56 -10 02 09.6 491
1986-10-30 22:14:51 A 20 39 36.25 -08 23 03.4 491
1986-11-28 20:42:33 A 21 26 50.41 -04 57 53.7 491
1986-12-29 19:12:05 A 22 31 02.08 +00 32 56.3 491
1988-07-12 03:18:24 A 00 42 15.55 +13 19 34.4 491
1988-07-13 03:31:25 A 00 43 35.11 +13 37 40.1 491
1988-08-07 05:18:44 T 01 11 37.361 +21 20 55.19 950
1988-08-10 05:09:27 T 01 14 09.220 +22 18 08.35 950
1988-08-11 05:06:19 T 01 14 56.769 +22 37 16.99 950
1988-09-08 00:22:30 A 01 23 07.04 +31 35 38.4 017
1988-09-08 00:28:29 A 01 23 06.93 +31 35 43.1 017
1988-09-08 00:37:29 A 01 23 06.78 +31 35 50.3 017
1988-09-08 01:07:30 A 01 23 06.28 +31 36 14.0 017
1988-09-09 00:40:00 A 01 22 45.32 +31 54 36.0 017
1988-09-09 00:42:59 A 01 22 45.27 +31 54 38.3 017
1988-09-09 00:45:59 A 01 22 45.21 +31 54 40.6 017
1988-09-09 00:49:00 A 01 22 45.15 +31 54 42.9 017
1988-09-09 00:51:59 A 01 22 45.09 +31 54 45.2 017
1988-09-09 00:54:59 A 01 22 45.03 +31 54 47.7 017
1988-09-09 00:58:00 A 01 22 44.98 +31 54 49.9 017
1988-09-09 01:00:59 A 01 22 44.92 +31 54 52.6 017
1988-09-09 01:03:59 A 01 22 44.86 +31 54 54.7 017
1988-09-09 01:07:00 A 01 22 44.82 +31 54 57.0 017
1988-09-11 01:07:00 A 01 21 51.45 +32 31 59.8 12.8 C 033
1988-09-11 01:32:00 A 01 21 50.95 +32 32 16.9 C 033
1988-09-11 02:15:59 A 01 21 49.80 +32 32 53.1 C 033
1988-09-11 02:41:00 A 01 21 49.29 +32 33 09.3 C 033
1988-09-24 02:08:31 T 01 10 08.842 +36 09 41.45 950
1988-09-26 01:57:57 T 01 07 26.104 +36 37 35.39 950
1988-09-30 01:36:07 T 01 01 18.553 +37 27 20.54 950
1988-10-02 01:24:53 T 00 57 54.956 +37 48 47.51 950
1988-10-02 19:26:56 A 00 56 35.81 +37 56 07.0 D 573
1988-10-02 19:33:42 A 00 56 35.29 +37 56 08.4 D 573
1988-10-03 21:55:13 A 00 54 34.96 +38 06 20.5 553
1988-10-03 22:17:57 A 00 54 33.00 +38 06 29.9 553
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