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
2021-07-29 06:16:13 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:17:12 V 20 25 11.74 +14 00 32.0 14.0 V 247
2021-07-29 06:17:12 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:18:12 V 20 25 11.89 +14 00 39.6 14.1 V 247
2021-07-29 06:18:12 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:20:11 V 20 25 12.13 +14 00 55.0 13.8 V 247
2021-07-29 06:20:11 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:21:11 V 20 25 12.25 +14 01 02.8 13.9 V 247
2021-07-29 06:21:11 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:22:10 V 20 25 12.39 +14 01 10.3 13.9 V 247
2021-07-29 06:22:10 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:23:10 V 20 25 12.51 +14 01 17.7 14.1 V 247
2021-07-29 06:23:10 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:24:09 V 20 25 12.65 +14 01 25.6 14.1 V 247
2021-07-29 06:24:09 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:25:09 V 20 25 12.76 +14 01 32.9 14.1 V 247
2021-07-29 06:25:09 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:26:08 V 20 25 12.90 +14 01 40.8 14.2 V 247
2021-07-29 06:26:08 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:27:08 V 20 25 13.04 +14 01 48.3 14.2 V 247
2021-07-29 06:27:08 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:28:07 V 20 25 13.16 +14 01 56.0 14.0 V 247
2021-07-29 06:28:07 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:29:07 V 20 25 13.27 +14 02 03.8 14.3 V 247
2021-07-29 06:29:07 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:30:07 V 20 25 13.45 +14 02 11.9 14.1 V 247
2021-07-29 06:30:07 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:31:06 V 20 25 13.54 +14 02 19.0 14.1 V 247
2021-07-29 06:31:06 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:32:06 V 20 25 13.68 +14 02 26.8 14.1 V 247
2021-07-29 06:32:06 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:33:05 V 20 25 13.81 +14 02 34.2 13.9 V 247
2021-07-29 06:33:05 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:34:05 V 20 25 13.93 +14 02 42.2 14.0 V 247
2021-07-29 06:34:05 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:35:04 V 20 25 14.05 +14 02 49.1 13.9 V 247
2021-07-29 06:35:04 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:36:04 V 20 25 14.19 +14 02 57.4 13.9 V 247
2021-07-29 06:36:04 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:37:04 V 20 25 14.32 +14 03 03.9 13.8 V 247
2021-07-29 06:37:04 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:38:03 V 20 25 14.45 +14 03 12.3 14.0 V 247
2021-07-29 06:38:03 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:43:23 V 20 25 15.16 +14 03 53.3 14.1 V 247
2021-07-29 06:43:23 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:44:22 V 20 25 15.29 +14 04 00.9 14.0 V 247
2021-07-29 06:44:22 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:45:22 V 20 25 15.42 +14 04 07.9 14.0 V 247
2021-07-29 06:45:22 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:46:22 V 20 25 15.53 +14 04 15.9 14.2 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)