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
2021-07-21 14:13:23 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:14:03 V 19 52 57.19 -15 16 41.0 13.0 V 247
2021-07-21 14:14:03 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:14:42 V 19 52 57.33 -15 16 34.2 13.1 V 247
2021-07-21 14:14:42 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:15:22 V 19 52 57.43 -15 16 27.1 13.1 V 247
2021-07-21 14:15:22 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:16:02 V 19 52 57.55 -15 16 20.5 13.0 V 247
2021-07-21 14:16:02 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:16:42 V 19 52 57.64 -15 16 13.2 13.3 V 247
2021-07-21 14:16:42 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:17:21 V 19 52 57.78 -15 16 06.8 13.1 V 247
2021-07-21 14:17:21 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:18:01 V 19 52 57.88 -15 15 59.2 13.0 V 247
2021-07-21 14:18:01 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:18:41 V 19 52 57.99 -15 15 51.7 13.1 V 247
2021-07-21 14:18:41 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:19:21 V 19 52 58.11 -15 15 45.0 13.1 V 247
2021-07-21 14:19:21 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:20:00 V 19 52 58.22 -15 15 38.4 13.1 V 247
2021-07-21 14:20:00 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:20:40 V 19 52 58.34 -15 15 30.9 12.9 V 247
2021-07-21 14:20:40 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:21:20 V 19 52 58.43 -15 15 24.5 13.1 V 247
2021-07-21 14:21:20 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:21:59 V 19 52 58.55 -15 15 17.2 13.1 V 247
2021-07-21 14:21:59 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:22:39 V 19 52 58.66 -15 15 09.9 13.2 V 247
2021-07-21 14:22:39 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:23:19 V 19 52 58.79 -15 15 02.6 12.9 V 247
2021-07-21 14:23:19 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:23:58 V 19 52 58.89 -15 14 56.2 13.1 V 247
2021-07-21 14:23:58 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:24:38 V 19 52 59.00 -15 14 49.4 13.0 V 247
2021-07-21 14:24:38 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:25:18 V 19 52 59.13 -15 14 42.0 13.1 V 247
2021-07-21 14:25:18 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:25:58 V 19 52 59.23 -15 14 34.8 13.0 V 247
2021-07-21 14:25:58 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:26:37 V 19 52 59.34 -15 14 27.8 13.1 V 247
2021-07-21 14:26:37 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:27:17 V 19 52 59.46 -15 14 21.0 13.1 V 247
2021-07-21 14:27:17 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:27:57 V 19 52 59.56 -15 14 13.5 13.0 V 247
2021-07-21 14:27:57 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:28:36 V 19 52 59.70 -15 14 06.9 13.0 V 247
2021-07-21 14:28:36 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:29:16 V 19 52 59.83 -15 14 01.1 13.0 V 247
2021-07-21 14:29:16 v 1 135.50856 +34.81760 – – 247
2021-07-21 14:29:56 V 19 52 59.95 -15 13 52.7 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)