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 16:12:20 V 19 37 58.20 -27 20 24.4 13.4 V 247
2021-07-18 16:12:20 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:13:39 V 19 37 58.42 -27 20 10.4 13.4 V 247
2021-07-18 16:13:39 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:14:19 V 19 37 58.63 -27 20 03.3 13.4 V 247
2021-07-18 16:14:19 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:14:59 V 19 37 58.73 -27 19 57.3 13.4 V 247
2021-07-18 16:14:59 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:18:17 V 19 37 59.39 -27 19 23.9 13.3 V 247
2021-07-18 16:18:17 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:19:36 V 19 37 59.65 -27 19 09.8 13.3 V 247
2021-07-18 16:19:36 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:20:56 V 19 37 59.85 -27 18 56.5 13.2 V 247
2021-07-18 16:20:56 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:29:46 V 19 38 01.58 -27 17 28.3 13.1 V 247
2021-07-18 16:29:46 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:30:26 V 19 38 01.71 -27 17 21.6 13.1 V 247
2021-07-18 16:30:26 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:31:06 V 19 38 01.84 -27 17 15.4 13.1 V 247
2021-07-18 16:31:06 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:31:45 V 19 38 01.98 -27 17 08.2 13.1 V 247
2021-07-18 16:31:45 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:32:25 V 19 38 02.08 -27 17 01.5 13.2 V 247
2021-07-18 16:32:25 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:33:05 V 19 38 02.21 -27 16 54.6 13.1 V 247
2021-07-18 16:33:05 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:33:45 V 19 38 02.34 -27 16 48.1 13.1 V 247
2021-07-18 16:33:45 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:34:24 V 19 38 02.48 -27 16 41.3 13.2 V 247
2021-07-18 16:34:24 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:35:04 V 19 38 02.59 -27 16 34.7 13.1 V 247
2021-07-18 16:35:04 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:35:44 V 19 38 02.75 -27 16 28.2 13.2 V 247
2021-07-18 16:35:44 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:36:23 V 19 38 02.87 -27 16 21.4 13.2 V 247
2021-07-18 16:36:23 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:37:03 V 19 38 03.01 -27 16 15.0 13.2 V 247
2021-07-18 16:37:03 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:37:43 V 19 38 03.15 -27 16 08.6 13.2 V 247
2021-07-18 16:37:43 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:38:23 V 19 38 03.27 -27 16 02.0 13.2 V 247
2021-07-18 16:38:23 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:39:02 V 19 38 03.39 -27 15 55.0 13.2 V 247
2021-07-18 16:39:02 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:39:42 V 19 38 03.51 -27 15 48.4 13.3 V 247
2021-07-18 16:39:42 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:40:22 V 19 38 03.67 -27 15 41.6 13.3 V 247
2021-07-18 16:40:22 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:41:01 V 19 38 03.79 -27 15 34.5 13.3 V 247
2021-07-18 16:41:01 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)