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 15:47:50 V 19 37 53.52 -27 24 30.2 13.1 V 247
2021-07-18 15:47:50 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:48:30 V 19 37 53.61 -27 24 23.1 13.1 V 247
2021-07-18 15:48:30 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:49:10 V 19 37 53.76 -27 24 16.4 13.1 V 247
2021-07-18 15:49:10 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:49:49 V 19 37 53.88 -27 24 10.2 13.1 V 247
2021-07-18 15:49:49 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:50:29 V 19 37 53.99 -27 24 03.6 13.0 V 247
2021-07-18 15:50:29 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:51:09 V 19 37 54.13 -27 23 56.8 13.0 V 247
2021-07-18 15:51:09 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:51:49 V 19 37 54.34 -27 23 50.0 13.1 V 247
2021-07-18 15:51:49 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:52:28 V 19 37 54.43 -27 23 43.5 13.2 V 247
2021-07-18 15:52:28 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:53:08 V 19 37 54.52 -27 23 37.1 13.1 V 247
2021-07-18 15:53:08 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:53:48 V 19 37 54.67 -27 23 30.3 13.1 V 247
2021-07-18 15:53:48 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:54:27 V 19 37 54.79 -27 23 23.7 13.1 V 247
2021-07-18 15:54:27 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:55:07 V 19 37 54.90 -27 23 17.3 13.2 V 247
2021-07-18 15:55:07 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:55:47 V 19 37 55.01 -27 23 10.7 13.2 V 247
2021-07-18 15:55:47 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:56:27 V 19 37 55.15 -27 23 03.9 13.2 V 247
2021-07-18 15:56:27 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:57:06 V 19 37 55.28 -27 22 57.4 13.0 V 247
2021-07-18 15:57:06 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:57:46 V 19 37 55.43 -27 22 50.7 12.9 V 247
2021-07-18 15:57:46 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:58:26 V 19 37 55.55 -27 22 44.4 12.9 V 247
2021-07-18 15:58:26 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:59:05 V 19 37 55.64 -27 22 37.3 13.0 V 247
2021-07-18 15:59:05 v 1 151.94304 -27.45579 – – 247
2021-07-18 15:59:45 V 19 37 55.77 -27 22 30.6 13.1 V 247
2021-07-18 15:59:45 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:01:05 V 19 37 56.04 -27 22 17.8 13.2 V 247
2021-07-18 16:01:05 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:02:24 V 19 37 56.36 -27 22 04.3 13.1 V 247
2021-07-18 16:02:24 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:03:43 V 19 37 56.54 -27 21 51.5 13.1 V 247
2021-07-18 16:03:43 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:05:03 V 19 37 56.83 -27 21 37.0 13.1 V 247
2021-07-18 16:05:03 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:11:00 V 19 37 57.98 -27 20 36.9 13.4 V 247
2021-07-18 16:11:00 v 1 151.94304 -27.45579 – – 247
2021-07-18 16:11:40 V 19 37 58.11 -27 20 29.5 13.4 V 247
2021-07-18 16:11:40 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)