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 06:46:22 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:47:21 V 20 25 15.66 +14 04 23.5 14.2 V 247
2021-07-29 06:47:21 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:48:21 V 20 25 15.80 +14 04 31.0 14.2 V 247
2021-07-29 06:48:21 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:49:20 V 20 25 15.94 +14 04 38.2 14.1 V 247
2021-07-29 06:49:20 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:58:16 V 20 25 17.07 +14 05 47.2 14.5 V 247
2021-07-29 06:58:16 v 1 236.86566 +49.13793 – – 247
2021-07-29 06:59:16 V 20 25 17.21 +14 05 55.0 14.1 V 247
2021-07-29 06:59:16 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:00:16 V 20 25 17.32 +14 06 02.5 14.0 V 247
2021-07-29 07:00:16 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:01:15 V 20 25 17.44 +14 06 09.9 14.1 V 247
2021-07-29 07:01:15 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:02:15 V 20 25 17.58 +14 06 17.9 14.0 V 247
2021-07-29 07:02:15 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:03:14 V 20 25 17.71 +14 06 24.7 14.1 V 247
2021-07-29 07:03:14 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:04:14 V 20 25 17.83 +14 06 32.4 14.4 V 247
2021-07-29 07:04:14 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:06:13 V 20 25 18.08 +14 06 47.6 14.4 V 247
2021-07-29 07:06:13 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:07:12 V 20 25 18.20 +14 06 55.6 14.1 V 247
2021-07-29 07:07:12 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:08:12 V 20 25 18.33 +14 07 03.1 13.7 V 247
2021-07-29 07:08:12 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:09:12 V 20 25 18.45 +14 07 10.5 14.1 V 247
2021-07-29 07:09:12 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:12:10 V 20 25 18.85 +14 07 34.0 14.3 V 247
2021-07-29 07:12:10 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:13:10 V 20 25 18.97 +14 07 40.4 14.1 V 247
2021-07-29 07:13:10 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:15:09 V 20 25 19.24 +14 07 56.9 13.9 V 247
2021-07-29 07:15:09 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:16:09 V 20 25 19.37 +14 08 03.2 14.1 V 247
2021-07-29 07:16:09 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:17:08 V 20 25 19.50 +14 08 11.3 14.2 V 247
2021-07-29 07:17:08 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:18:08 V 20 25 19.61 +14 08 18.0 14.4 V 247
2021-07-29 07:18:08 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:19:07 V 20 25 19.74 +14 08 26.2 14.4 V 247
2021-07-29 07:19:07 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:20:07 V 20 25 19.87 +14 08 34.5 14.2 V 247
2021-07-29 07:20:07 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:21:06 V 20 25 19.99 +14 08 41.7 14.2 V 247
2021-07-29 07:21:06 v 1 236.86566 +49.13793 – – 247
2021-07-29 07:22:06 V 20 25 20.11 +14 08 49.0 14.4 V 247
2021-07-29 07:22:06 v 1 236.86566 +49.13793 – – 247
2021-07-29 19:46:43 C 20 27 11.89 +15 41 44.1 – V 073
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)