285571 (2000 PQ9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4324411214 ± 8.16e-10
Semi-major axis (a)1.9035657241 AU ± 5.85e-10
Inclination (i)13.48266244° ± 1.16e-06
Long. of Asc. Node (Ω)297.16245353° ± 7.40e-07
Arg. of Perihelion (ω)7.05697041° ± 3.81e-06
Mean Anomaly (M)231.96152491° ± 1.27e-06
Mean Motion (n)0.3752843568°/day ± 1.73e-10
Perihelion dist (q)1.08038563 AU ± 1.59e-09
Aphelion dist (Q)2.72674582 AU ± 1.76e-09
Orbital Period2.62634524 yr ± 1.21e-09
Physical Parameters
H (abs. magnitude)18.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.478″
Uncertainty0
Orbit TypeAmor
MOID0.064547 AU
Observations Used7147
Radar Obs Used1
Oppositions13
Arc Total2000-2021
First Observation Used2000-08-09
Last Observation Used2024-12-06
Observations (13272)
Date Type RA Dec Mag Band Observatory
2021-06-05 08:54:03 S 16 26 20.090 -68 42 41.87 V C57
2021-06-05 08:54:03 s 1 -138206.31 2 +342769.73 9210.0 C57
2021-06-05 11:24:03 S 16 26 29.767 -68 44 06.47 V C57
2021-06-05 11:24:03 s 1 -142484.58 9 +337616.12 2280.0 C57
2021-06-05 11:34:03 S 16 26 30.386 -68 44 15.50 V C57
2021-06-05 11:34:03 s 1 -142766.61 0 +337264.86 4680.0 C57
2021-06-05 11:44:03 S 16 26 30.622 -68 44 18.64 V C57
2021-06-05 11:44:03 s 1 -143048.22 2 +336912.63 5830.0 C57
2021-06-05 12:04:03 S 16 26 32.078 -68 44 30.91 V C57
2021-06-05 12:04:03 s 1 -143610.21 7 +336205.29 4380.0 C57
2021-06-05 12:14:03 S 16 26 32.484 -68 44 35.38 V C57
2021-06-05 12:14:03 s 1 -143890.59 7 +335850.18 1760.0 C57
2021-06-05 12:34:03 S 16 26 33.701 -68 44 53.38 V C57
2021-06-05 12:34:03 s 1 -144450.11 1 +335137.04 2720.0 C57
2021-06-05 13:04:03 S 16 26 36.029 -68 45 07.34 V C57
2021-06-05 13:04:03 s 1 -145286.25 0 +334060.08 9610.0 C57
2021-06-05 13:24:03 S 16 26 37.682 -68 45 15.26 V C57
2021-06-05 13:24:03 s 1 -145841.57 0 +333337.25 7780.0 C57
2021-06-05 13:34:03 S 16 26 38.664 -68 45 24.26 V C57
2021-06-05 13:34:03 s 1 -146118.59 4 +332974.39 4930.0 C57
2021-06-05 13:44:03 S 16 26 38.388 -68 45 29.38 V C57
2021-06-05 13:44:03 s 1 -146395.19 1 +332610.55 770.0 C57
2021-06-05 13:54:03 S 16 26 39.324 -68 45 34.24 V C57
2021-06-05 13:54:03 s 1 -146671.36 0 +332245.74 5310.0 C57
2021-06-05 14:04:03 S 16 26 39.970 -68 45 38.41 V C57
2021-06-05 14:04:03 s 1 -146947.09 9 +331879.95 8550.0 C57
2021-06-05 14:14:03 S 16 26 40.697 -68 45 42.16 V C57
2021-06-05 14:14:03 s 1 -147222.40 8 +331513.19 470.0 C57
2021-06-05 14:44:03 S 16 26 42.355 -68 46 00.44 V C57
2021-06-05 14:44:03 s 1 -148045.73 1 +330407.08 8320.0 C57
2021-06-05 14:54:03 S 16 26 43.625 -68 46 08.65 V C57
2021-06-05 14:54:03 s 1 -148319.29 9 +330036.42 4960.0 C57
2021-06-05 15:04:03 S 16 26 44.477 -68 46 13.19 V C57
2021-06-05 15:04:03 s 1 -148592.42 8 +329664.79 250.0 C57
2021-06-05 15:14:03 S 16 26 44.112 -68 46 19.24 V C57
2021-06-05 15:14:03 s 1 -148865.11 6 +329292.17 4210.0 C57
2021-06-05 15:44:03 S 16 26 45.890 -68 46 36.48 V C57
2021-06-05 15:44:03 s 1 -149680.52 1 +328168.47 8020.0 C57
2021-06-05 16:24:03 S 16 26 48.703 -68 47 01.75 V C57
2021-06-05 16:24:03 s 1 -150761.46 0 +326656.48 4090.0 C57
2021-06-05 16:44:03 S 16 26 50.206 -68 47 06.50 V C57
2021-06-05 16:44:03 s 1 -151299.21 4 +325894.59 8900.0 C57
2021-06-05 16:54:03 S 16 26 50.470 -68 47 15.40 V C57
2021-06-05 16:54:03 s 1 -151567.40 6 +325512.17 9230.0 C57
2021-06-05 17:04:03 S 16 26 51.780 -68 47 21.55 V C57
2021-06-05 17:04:03 s 1 -151835.14 0 +325128.76 8170.0 C57
2021-06-05 17:14:03 S 16 26 52.723 -68 47 25.73 V C57
2021-06-05 17:14:03 s 1 -152102.41 3 +324744.37 5720.0 C57
2021-06-05 17:34:03 S 16 26 53.371 -68 47 36.46 V C57
2021-06-05 17:34:03 s 1 -152635.57 1 +323972.63 6630.0 C57
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2021-07-23 05:30:00 67479907 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)