IAA RAS IAA Minor Planet Database

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
2021-07-31 11:53:59 S 20 29 39.588 +19 37 26.11 – V C57
2021-07-31 11:53:59 s 1 -85086.721 0 +377907.45 590.0 – C57
2021-07-31 12:03:59 S 20 29 41.318 +19 38 27.31 – V C57
2021-07-31 12:03:59 s 1 -85433.238 0 +377748.06 8440.0 – C57
2021-07-31 12:23:59 S 20 29 44.854 +19 40 28.60 – V C57
2021-07-31 12:23:59 s 1 -86125.664 0 +377426.49 1940.0 – C57
2021-07-31 12:33:59 S 20 29 46.610 +19 41 30.41 – V C57
2021-07-31 12:33:59 s 1 -86471.571 0 +377264.32 7580.0 – C57
2021-07-31 12:43:59 S 20 29 48.415 +19 42 30.82 – V C57
2021-07-31 12:43:59 s 1 -86817.274 0 +377101.21 2480.0 – C57
2021-07-31 12:53:59 S 20 29 50.165 +19 43 30.40 – V C57
2021-07-31 12:53:59 s 1 -87162.771 0 +376937.17 6620.0 – C57
2021-07-31 13:03:59 S 20 29 51.871 +19 44 30.73 – V C57
2021-07-31 13:03:59 s 1 -87508.061 0 +376772.21 20.0 – C57
2021-07-31 13:13:59 S 20 29 53.674 +19 45 32.15 – V C57
2021-07-31 13:13:59 s 1 -87853.144 0 +376606.31 2660.0 – C57
2021-07-31 13:23:59 S 20 29 55.423 +19 46 31.73 – V C57
2021-07-31 13:23:59 s 1 -88198.017 0 +376439.49 4550.0 – C57
2021-07-31 13:33:59 S 20 29 57.173 +19 47 32.68 – V C57
2021-07-31 13:33:59 s 1 -88542.681 0 +376271.73 5680.0 – C57
2021-07-31 13:43:59 S 20 29 58.956 +19 48 34.16 – V C57
2021-07-31 13:43:59 s 1 -88887.134 0 +376103.05 6040.0 – C57
2021-07-31 13:53:59 S 20 30 00.718 +19 49 34.25 – V C57
2021-07-31 13:53:59 s 1 -89231.375 0 +375933.43 5630.0 – C57
2021-07-31 14:03:59 S 20 30 02.426 +19 50 35.20 – V C57
2021-07-31 14:03:59 s 1 -89575.403 0 +375762.89 4460.0 – C57
2021-07-31 14:13:59 S 20 30 04.258 +19 51 35.14 – V C57
2021-07-31 14:13:59 s 1 -89919.217 0 +375591.42 2520.0 – C57
2021-07-31 14:23:59 S 20 30 05.976 +19 52 35.11 – V C57
2021-07-31 14:23:59 s 1 -90262.817 0 +375419.01 9800.0 – C57
2021-07-31 14:33:59 S 20 30 07.781 +19 53 35.30 – V C57
2021-07-31 14:33:59 s 1 -90606.201 0 +375245.67 6300.0 – C57
2021-07-31 14:43:59 S 20 30 09.521 +19 54 35.78 – V C57
2021-07-31 14:43:59 s 1 -90949.368 0 +375071.41 2020.0 – C57
2021-07-31 14:53:59 S 20 30 11.306 +19 55 36.62 – V C57
2021-07-31 14:53:59 s 1 -91292.317 0 +374896.21 6950.0 – C57
2021-07-31 15:03:59 S 20 30 13.020 +19 56 36.42 – V C57
2021-07-31 15:03:59 s 1 -91635.047 0 +374720.08 1100.0 – C57
2021-07-31 15:13:59 S 20 30 14.770 +19 57 36.25 – V C57
2021-07-31 15:13:59 s 1 -91977.558 0 +374543.02 4450.0 – C57
2021-07-31 15:23:59 S 20 30 16.490 +19 58 35.87 – V C57
2021-07-31 15:23:59 s 1 -92319.847 0 +374365.03 7010.0 – C57
2021-07-31 15:33:59 S 20 30 18.312 +19 59 37.72 – V C57
2021-07-31 15:33:59 s 1 -92661.915 0 +374186.11 8780.0 – C57
2021-07-31 16:03:59 S 20 30 23.556 +20 02 38.33 – V C57
2021-07-31 16:03:59 s 1 -93686.777 0 +373643.75 9250.0 – C57
2021-07-31 16:13:59 S 20 30 25.310 +20 03 37.15 – V C57
2021-07-31 16:13:59 s 1 -94027.947 0 +373461.10 7790.0 – C57
2021-07-31 16:23:59 S 20 30 27.096 +20 04 37.81 – V C57
2021-07-31 16:23:59 s 1 -94368.890 0 +373277.52 5520.0 – 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)