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
2021-06-05 00:24:03 S 16 25 45.926 -68 38 00.02 – V C57
2021-06-05 00:24:03 s 1 -123039.97 8 +358696.64 9400.0 – C57
2021-06-05 00:34:03 S 16 25 46.471 -68 38 02.80 – V C57
2021-06-05 00:34:03 s 1 -123345.85 0 +358407.76 5700.0 – C57
2021-06-05 01:04:03 S 16 25 48.778 -68 38 23.75 – V C57
2021-06-05 01:04:03 s 1 -124261.54 7 +357535.54 8560.0 – C57
2021-06-05 01:14:03 S 16 25 49.126 -68 38 28.39 – V C57
2021-06-05 01:14:03 s 1 -124566.13 6 +357242.94 830.0 – C57
2021-06-05 01:24:03 S 16 25 49.769 -68 38 32.64 – V C57
2021-06-05 01:24:03 s 1 -124870.40 0 +356949.41 2080.0 – C57
2021-06-05 01:34:03 S 16 25 50.808 -68 38 38.69 – V C57
2021-06-05 01:34:03 s 1 -125174.34 0 +356654.95 2310.0 – C57
2021-06-05 02:04:03 S 16 25 52.397 -68 38 53.27 – V C57
2021-06-05 02:04:03 s 1 -126084.19 4 +355765.99 6840.0 – C57
2021-06-05 02:14:03 S 16 25 53.364 -68 38 59.39 – V C57
2021-06-05 02:14:03 s 1 -126386.82 1 +355467.80 2960.0 – C57
2021-06-05 02:24:03 S 16 25 53.618 -68 39 05.29 – V C57
2021-06-05 02:24:03 s 1 -126689.11 5 +355168.68 8030.0 – C57
2021-06-05 02:34:03 S 16 25 54.091 -68 39 09.22 – V C57
2021-06-05 02:34:03 s 1 -126991.07 8 +354868.63 2070.0 – C57
2021-06-05 02:44:03 S 16 25 55.817 -68 39 18.79 – V C57
2021-06-05 02:44:03 s 1 -127292.70 6 +354567.64 5070.0 – C57
2021-06-05 02:54:03 S 16 25 55.579 -68 39 21.53 – V C57
2021-06-05 02:54:03 s 1 -127593.99 9 +354265.72 7010.0 – C57
2021-06-05 03:14:03 S 16 25 57.113 -68 39 34.99 – V C57
2021-06-05 03:14:03 s 1 -128195.57 4 +353659.07 7750.0 – C57
2021-06-05 03:54:03 S 16 25 59.746 -68 39 57.38 – V C57
2021-06-05 03:54:03 s 1 -129394.64 6 +352434.54 6500.0 – C57
2021-06-05 04:04:03 S 16 26 01.001 -68 40 01.06 – V C57
2021-06-05 04:04:03 s 1 -129693.55 7 +352126.06 1020.0 – C57
2021-06-05 04:24:03 S 16 26 02.002 -68 40 10.63 – V C57
2021-06-05 04:24:03 s 1 -130290.34 1 +351506.29 6820.0 – C57
2021-06-05 05:34:03 S 16 26 06.305 -68 40 55.70 – V C57
2021-06-05 05:34:03 s 1 -132368.05 1 +349307.46 2830.0 – C57
2021-06-05 06:04:03 S 16 26 08.424 -68 41 11.72 – V C57
2021-06-05 06:04:03 s 1 -133253.16 6 +348350.96 280.0 – C57
2021-06-05 06:14:03 S 16 26 08.945 -68 41 12.52 – V C57
2021-06-05 06:14:03 s 1 -133547.48 3 +348030.24 530.0 – C57
2021-06-05 07:04:03 S 16 26 11.549 -68 41 47.15 – V C57
2021-06-05 07:04:03 s 1 -135013.60 3 +346412.44 4850.0 – C57
2021-06-05 07:14:03 S 16 26 13.301 -68 41 48.55 – V C57
2021-06-05 07:14:03 s 1 -135305.72 5 +346086.04 8310.0 – C57
2021-06-05 07:34:03 S 16 26 14.870 -68 41 54.31 – V C57
2021-06-05 07:34:03 s 1 -135888.85 3 +345430.38 1780.0 – C57
2021-06-05 07:44:03 S 16 26 15.463 -68 42 05.51 – V C57
2021-06-05 07:44:03 s 1 -136179.85 8 +345101.13 1780.0 – C57
2021-06-05 07:54:03 S 16 26 15.859 -68 42 12.06 – V C57
2021-06-05 07:54:03 s 1 -136470.48 7 +344770.93 630.0 – C57
2021-06-05 08:44:03 S 16 26 18.403 -68 42 39.92 – V C57
2021-06-05 08:44:03 s 1 -137917.96 2 +343105.65 7390.0 – 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)