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
2021-07-18 16:41:41 V 19 38 03.89 -27 15 27.8 13.2 V 247
2021-07-18 16:41:41 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:42:21 V 19 38 04.05 -27 15 21.6 13.3 V 247
2021-07-18 16:42:21 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:43:01 V 19 38 04.18 -27 15 14.9 13.3 V 247
2021-07-18 16:43:01 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:43:40 V 19 38 04.32 -27 15 08.2 13.2 V 247
2021-07-18 16:43:40 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:44:20 V 19 38 04.45 -27 15 01.4 13.2 V 247
2021-07-18 16:44:20 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:45:00 V 19 38 04.57 -27 14 55.0 13.2 V 247
2021-07-18 16:45:00 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:45:39 V 19 38 04.71 -27 14 48.2 13.3 V 247
2021-07-18 16:45:39 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:46:19 V 19 38 04.83 -27 14 41.4 13.2 V 247
2021-07-18 16:46:19 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:46:59 V 19 38 04.98 -27 14 34.8 13.2 V 247
2021-07-18 16:46:59 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:47:39 V 19 38 05.09 -27 14 28.3 13.3 V 247
2021-07-18 16:47:39 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:48:18 V 19 38 05.24 -27 14 21.5 13.2 V 247
2021-07-18 16:48:18 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:48:58 V 19 38 05.37 -27 14 14.8 13.3 V 247
2021-07-18 16:48:58 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:49:38 V 19 38 05.49 -27 14 08.5 13.2 V 247
2021-07-18 16:49:38 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:50:17 V 19 38 05.61 -27 14 01.7 13.2 V 247
2021-07-18 16:50:17 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:50:57 V 19 38 05.75 -27 13 55.0 13.1 V 247
2021-07-18 16:50:57 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:51:37 V 19 38 05.87 -27 13 48.4 13.2 V 247
2021-07-18 16:51:37 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:52:17 V 19 38 06.02 -27 13 41.6 13.2 V 247
2021-07-18 16:52:17 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:52:56 V 19 38 06.15 -27 13 35.0 13.2 V 247
2021-07-18 16:52:56 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:53:36 V 19 38 06.28 -27 13 28.3 13.2 V 247
2021-07-18 16:53:36 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:54:16 V 19 38 06.41 -27 13 21.4 13.3 V 247
2021-07-18 16:54:16 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:54:55 V 19 38 06.56 -27 13 15.1 13.2 V 247
2021-07-18 16:54:55 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:55:35 V 19 38 06.67 -27 13 08.2 13.3 V 247
2021-07-18 16:55:35 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:56:15 V 19 38 06.81 -27 13 01.9 13.2 V 247
2021-07-18 16:56:15 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:56:54 V 19 38 06.95 -27 12 55.2 13.3 V 247
2021-07-18 16:56:54 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:57:34 V 19 38 07.08 -27 12 48.5 13.4 V 247
2021-07-18 16:57:34 v 1 151.94304 -27.45579 – – 247
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)