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
2021-06-20 21:54:01 s 1 -172032.71 1 +285577.47 7730.0 C57
2021-06-20 22:04:01 S 17 38 38.513 -39 15 54.11 V C57
2021-06-20 22:04:01 s 1 -172245.15 1 +285099.66 4720.0 C57
2021-06-20 22:14:01 S 17 38 37.610 -39 15 48.56 V C57
2021-06-20 22:14:01 s 1 -172456.93 7 +284620.80 9730.0 C57
2021-06-20 22:24:01 S 17 38 36.826 -39 15 43.99 V C57
2021-06-20 22:24:01 s 1 -172668.06 6 +284140.88 2750.0 C57
2021-06-20 22:34:01 S 17 38 35.930 -39 15 40.10 V C57
2021-06-20 22:34:01 s 1 -172878.53 5 +283659.90 3770.0 C57
2021-06-20 22:44:01 S 17 38 35.138 -39 15 36.40 V C57
2021-06-20 22:44:01 s 1 -173088.34 3 +283177.86 2780.0 C57
2021-06-20 22:54:01 S 17 38 34.246 -39 15 32.22 V C57
2021-06-20 22:54:01 s 1 -173297.48 6 +282694.77 9780.0 C57
2021-06-20 23:04:01 S 17 38 33.456 -39 15 26.64 V C57
2021-06-20 23:04:01 s 1 -173505.96 3 +282210.61 4750.0 C57
2021-06-20 23:14:01 S 17 38 32.599 -39 15 22.21 V C57
2021-06-20 23:14:01 s 1 -173713.77 0 +281725.39 7700.0 C57
2021-06-20 23:24:01 S 17 38 31.750 -39 15 18.32 V C57
2021-06-20 23:24:01 s 1 -173920.90 6 +281239.11 8610.0 C57
2021-06-20 23:34:01 S 17 38 30.914 -39 15 14.69 V C57
2021-06-20 23:34:01 s 1 -174127.36 7 +280751.76 7480.0 C57
2021-06-20 23:44:01 S 17 38 30.060 -39 15 10.30 V C57
2021-06-20 23:44:01 s 1 -174333.15 1 +280263.35 4290.0 C57
2021-06-21 00:04:01 S 17 38 28.373 -39 15 00.36 V C57
2021-06-21 00:04:01 s 1 -174742.68 0 +279283.33 1740.0 C57
2021-06-21 00:34:01 S 17 38 25.903 -39 14 48.55 V C57
2021-06-21 00:34:01 s 1 -175351.83 2 +277805.29 7350.0 C57
2021-06-21 00:44:01 S 17 38 25.001 -39 14 42.79 V C57
2021-06-21 00:44:01 s 1 -175553.50 2 +277310.47 1710.0 C57
2021-06-21 00:54:01 S 17 38 24.218 -39 14 38.72 V C57
2021-06-21 00:54:01 s 1 -175754.47 7 +276814.58 3960.0 C57
2021-06-21 01:04:01 S 17 38 23.304 -39 14 34.76 V C57
2021-06-21 01:04:01 s 1 -175954.75 4 +276317.62 4100.0 C57
2021-06-21 01:14:01 S 17 38 22.529 -39 14 31.20 V C57
2021-06-21 01:14:01 s 1 -176154.33 1 +275819.59 2120.0 C57
2021-06-21 01:24:01 S 17 38 21.622 -39 14 26.63 V C57
2021-06-21 01:24:01 s 1 -176353.20 6 +275320.47 8020.0 C57
2021-06-21 01:34:01 S 17 38 20.844 -39 14 21.12 V C57
2021-06-21 01:34:01 s 1 -176551.37 5 +274820.29 1780.0 C57
2021-06-21 01:44:01 S 17 38 19.956 -39 14 16.91 V C57
2021-06-21 01:44:01 s 1 -176748.83 6 +274319.03 3400.0 C57
2021-06-21 01:54:01 S 17 38 19.140 -39 14 13.16 V C57
2021-06-21 01:54:01 s 1 -176945.58 6 +273816.69 2870.0 C57
2021-06-21 02:14:01 S 17 38 17.446 -39 14 04.67 V C57
2021-06-21 02:14:01 s 1 -177336.94 3 +272808.77 5330.0 C57
2021-06-21 02:34:01 S 17 38 15.754 -39 13 55.06 V C57
2021-06-21 02:34:01 s 1 -177725.42 5 +271796.54 9100.0 C57
2021-06-21 02:44:01 S 17 38 14.942 -39 13 51.42 V C57
2021-06-21 02:44:01 s 1 -177918.58 0 +271288.80 7700.0 C57
2021-06-21 02:54:01 S 17 38 14.062 -39 13 47.46 V C57
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