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
2021-08-06 22:39:36 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:40:36 V 20 51 08.45 +32 45 26.0 14.6 V 247
2021-08-06 22:40:36 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:41:35 V 20 51 08.54 +32 45 29.6 15.2 V 247
2021-08-06 22:41:35 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:42:35 V 20 51 08.62 +32 45 32.6 15.5 V 247
2021-08-06 22:42:35 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:43:35 V 20 51 08.70 +32 45 36.5 14.9 V 247
2021-08-06 22:43:35 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:44:34 V 20 51 08.77 +32 45 39.9 14.3 V 247
2021-08-06 22:44:34 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:45:34 V 20 51 08.88 +32 45 43.6 14.2 V 247
2021-08-06 22:45:34 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:46:33 V 20 51 09.02 +32 45 47.1 13.9 V 247
2021-08-06 22:46:33 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:47:33 V 20 51 09.07 +32 45 49.9 13.9 V 247
2021-08-06 22:47:33 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:48:32 V 20 51 09.15 +32 45 53.1 14.0 V 247
2021-08-06 22:48:32 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:49:32 V 20 51 09.21 +32 45 57.0 14.3 V 247
2021-08-06 22:49:32 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:50:32 V 20 51 09.28 +32 46 00.8 15.6 V 247
2021-08-06 22:50:32 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:58:28 V 20 51 09.96 +32 46 29.1 15.8 V 247
2021-08-06 22:58:28 v 1 011.16234 +45.34063 – – 247
2021-08-06 22:59:28 V 20 51 10.05 +32 46 32.5 15.5 V 247
2021-08-06 22:59:28 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:00:27 V 20 51 10.10 +32 46 35.2 15.2 V 247
2021-08-06 23:00:27 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:01:27 V 20 51 10.20 +32 46 39.4 15.2 V 247
2021-08-06 23:01:27 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:02:26 V 20 51 10.28 +32 46 43.1 15.1 V 247
2021-08-06 23:02:26 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:03:26 V 20 51 10.37 +32 46 46.4 15.2 V 247
2021-08-06 23:03:26 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:04:25 V 20 51 10.44 +32 46 49.8 15.0 V 247
2021-08-06 23:04:25 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:05:25 V 20 51 10.53 +32 46 54.0 15.0 V 247
2021-08-06 23:05:25 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:06:25 V 20 51 10.61 +32 46 57.2 14.7 V 247
2021-08-06 23:06:25 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:07:24 V 20 51 10.71 +32 47 00.6 14.8 V 247
2021-08-06 23:07:24 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:08:24 V 20 51 10.83 +32 47 05.3 14.6 V 247
2021-08-06 23:08:24 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:09:23 V 20 51 10.89 +32 47 07.5 14.6 V 247
2021-08-06 23:09:23 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:10:23 V 20 51 10.94 +32 47 09.8 14.6 V 247
2021-08-06 23:10:23 v 1 011.16234 +45.34063 – – 247
2021-08-06 23:11:22 V 20 51 11.06 +32 47 14.4 14.6 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)