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
2021-06-22 07:24:02 S 17 09 58.397 -68 43 13.84 – V C57
2021-06-22 07:24:02 s 1 -197319.72 0 +166903.29 9310.0 – C57
2021-06-22 07:34:02 S 17 10 00.360 -68 43 14.77 – V C57
2021-06-22 07:34:02 s 1 -197329.29 9 +166191.47 0.0 – C57
2021-06-22 07:44:02 S 17 10 01.620 -68 43 13.69 – V C57
2021-06-22 07:44:02 s 1 -197337.34 0 +165478.38 6140.0 – C57
2021-06-22 08:14:02 S 17 10 06.154 -68 43 08.22 – V C57
2021-06-22 08:14:02 s 1 -197352.16 5 +163331.41 7080.0 – C57
2021-06-22 08:24:02 S 17 10 07.963 -68 43 09.26 – V C57
2021-06-22 08:24:02 s 1 -197353.98 1 +162613.19 4820.0 – C57
2021-06-22 08:34:02 S 17 10 09.278 -68 43 07.54 – V C57
2021-06-22 08:34:02 s 1 -197354.22 0 +161893.69 7910.0 – C57
2021-06-22 08:44:02 S 17 10 10.898 -68 43 05.38 – V C57
2021-06-22 08:44:02 s 1 -197352.87 5 +161172.90 6310.0 – C57
2021-06-22 08:54:02 S 17 10 13.238 -68 43 05.84 – V C57
2021-06-22 08:54:02 s 1 -197349.93 7 +160450.83 10.0 – C57
2021-06-22 09:34:02 S 17 10 18.794 -68 43 01.63 – V C57
2021-06-22 09:34:02 s 1 -197322.09 7 +157549.69 7310.0 – C57
2021-06-22 10:14:02 S 17 10 24.672 -68 42 56.81 – V C57
2021-06-22 10:14:02 s 1 -197268.11 3 +154627.91 7440.0 – C57
2021-06-22 10:24:02 S 17 10 26.275 -68 42 56.27 – V C57
2021-06-22 10:24:02 s 1 -197250.46 9 +153894.24 7730.0 – C57
2021-06-22 10:34:02 S 17 10 28.399 -68 42 56.27 – V C57
2021-06-22 10:34:02 s 1 -197231.14 7 +153159.27 3080.0 – C57
2021-06-22 10:44:02 S 17 10 29.803 -68 42 55.30 – V C57
2021-06-22 10:44:02 s 1 -197210.14 0 +152423.01 3450.0 – C57
2021-06-22 10:54:02 S 17 10 31.253 -68 42 55.48 – V C57
2021-06-22 10:54:02 s 1 -197187.43 9 +151685.46 8830.0 – C57
2021-06-22 11:04:02 S 17 10 33.022 -68 42 53.64 – V C57
2021-06-22 11:04:02 s 1 -197163.03 4 +150946.61 9190.0 – C57
2021-06-22 11:14:02 S 17 10 34.382 -68 42 53.10 – V C57
2021-06-22 11:14:02 s 1 -197136.91 7 +150206.47 4500.0 – C57
2021-06-22 11:24:02 S 17 10 35.846 -68 42 51.73 – V C57
2021-06-22 11:24:02 s 1 -197109.07 8 +149465.02 4730.0 – C57
2021-06-22 11:34:02 S 17 10 37.294 -68 42 50.04 – V C57
2021-06-22 11:34:02 s 1 -197079.50 9 +148722.28 9870.0 – C57
2021-06-22 11:44:02 S 17 10 38.902 -68 42 50.72 – V C57
2021-06-22 11:44:02 s 1 -197048.20 1 +147978.25 9870.0 – C57
2021-06-22 11:54:02 S 17 10 40.258 -68 42 47.66 – V C57
2021-06-22 11:54:02 s 1 -197015.14 3 +147232.91 4730.0 – C57
2021-06-22 12:04:02 S 17 10 41.959 -68 42 47.66 – V C57
2021-06-22 12:04:02 s 1 -196980.32 7 +146486.27 4400.0 – C57
2021-06-22 12:14:02 S 17 10 43.663 -68 42 45.90 – V C57
2021-06-22 12:14:02 s 1 -196943.74 3 +145738.34 8870.0 – C57
2021-06-22 12:24:02 S 17 10 45.247 -68 42 46.73 – V C57
2021-06-22 12:24:02 s 1 -196905.38 2 +144989.10 8100.0 – C57
2021-06-22 12:34:02 S 17 10 46.426 -68 42 44.82 – V C57
2021-06-22 12:34:02 s 1 -196865.23 5 +144238.57 2080.0 – C57
2021-06-22 12:44:02 S 17 10 48.180 -68 42 44.53 – V C57
2021-06-22 12:44:02 s 1 -196823.29 1 +143486.73 760.0 – 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)