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 17:33:57 V 19 38 14.33 -27 06 39.9 13.2 V 247
2021-07-18 17:33:57 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:34:37 V 19 38 14.47 -27 06 32.3 13.2 V 247
2021-07-18 17:34:37 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:35:17 V 19 38 14.61 -27 06 25.9 13.2 V 247
2021-07-18 17:35:17 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:35:56 V 19 38 14.73 -27 06 19.5 13.1 V 247
2021-07-18 17:35:56 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:36:36 V 19 38 14.88 -27 06 12.5 13.1 V 247
2021-07-18 17:36:36 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:37:16 V 19 38 15.03 -27 06 05.8 13.1 V 247
2021-07-18 17:37:16 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:37:55 V 19 38 15.14 -27 05 59.4 13.1 V 247
2021-07-18 17:37:55 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:38:35 V 19 38 15.27 -27 05 52.4 13.1 V 247
2021-07-18 17:38:35 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:39:15 V 19 38 15.42 -27 05 46.0 13.2 V 247
2021-07-18 17:39:15 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:39:54 V 19 38 15.55 -27 05 39.0 13.1 V 247
2021-07-18 17:39:54 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:40:34 V 19 38 15.68 -27 05 32.6 13.1 V 247
2021-07-18 17:40:34 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:41:14 V 19 38 15.80 -27 05 26.3 13.2 V 247
2021-07-18 17:41:14 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:41:54 V 19 38 15.93 -27 05 19.5 13.3 V 247
2021-07-18 17:41:54 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:42:33 V 19 38 16.07 -27 05 13.0 13.1 V 247
2021-07-18 17:42:33 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:43:13 V 19 38 16.21 -27 05 06.2 12.9 V 247
2021-07-18 17:43:13 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:43:53 V 19 38 16.33 -27 04 59.5 12.9 V 247
2021-07-18 17:43:53 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:44:33 V 19 38 16.47 -27 04 53.0 12.9 V 247
2021-07-18 17:44:33 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:45:12 V 19 38 16.61 -27 04 46.2 13.0 V 247
2021-07-18 17:45:12 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:45:52 V 19 38 16.75 -27 04 39.6 13.2 V 247
2021-07-18 17:45:52 v 1 151.94304 -27.45579 – – 247
2021-07-18 17:46:32 V 19 38 16.89 -27 04 33.2 13.2 V 247
2021-07-18 17:46:32 v 1 151.94304 -27.45579 – – 247
2021-07-18 18:05:30 C 19 38 35.34 -27 01 11.0 – q L68
2021-07-18 18:21:30 C 19 38 38.62 -26 58 34.3 – q L68
2021-07-18 18:37:50 C 19 38 41.93 -26 55 54.3 – q L68
2021-07-19 12:37:28 V 19 42 36.68 -23 56 24.6 13.1 V 247
2021-07-19 12:37:28 v 1 135.36081 +35.05973 – – 247
2021-07-19 12:38:08 V 19 42 36.80 -23 56 18.2 13.0 V 247
2021-07-19 12:38:08 v 1 135.36081 +35.05973 – – 247
2021-07-19 12:38:47 V 19 42 36.93 -23 56 11.5 12.9 V 247
2021-07-19 12:38:47 v 1 135.36081 +35.05973 – – 247
2021-07-19 12:39:27 V 19 42 37.04 -23 56 04.5 13.0 V 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)