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
2021-07-20 01:29:04 C 19 45 22.83 -21 41 28.6 – Z X39
2021-07-20 01:30:09 C 19 45 23.14 -21 41 13.0 – Z X39
2021-07-20 01:31:13 C 19 45 22.87 -21 41 00.2 – Z X39
2021-07-20 01:32:18 C 19 45 23.25 -21 41 00.8 – Z X39
2021-07-20 01:33:23 C 19 45 23.40 -21 40 46.1 – Z X39
2021-07-20 01:34:27 C 19 45 23.76 -21 40 37.2 – Z X39
2021-07-20 01:35:31 C 19 45 23.78 -21 40 23.0 – Z X39
2021-07-20 01:36:36 C 19 45 24.10 -21 40 08.6 – Z X39
2021-07-20 01:37:41 C 19 45 24.01 -21 39 57.9 – Z X39
2021-07-20 01:38:45 C 19 45 24.43 -21 39 45.6 – Z X39
2021-07-20 01:39:50 C 19 45 24.53 -21 39 37.4 – Z X39
2021-07-20 01:40:54 C 19 45 24.89 -21 39 30.7 – Z X39
2021-07-20 01:41:58 C 19 45 25.46 -21 39 16.2 – Z X39
2021-07-20 01:43:03 C 19 45 25.18 -21 39 03.9 – Z X39
2021-07-20 01:44:08 C 19 45 25.52 -21 38 57.7 – Z X39
2021-07-20 01:45:12 C 19 45 25.54 -21 38 43.7 – Z X39
2021-07-20 01:46:17 C 19 45 25.70 -21 38 34.5 – Z X39
2021-07-20 01:47:21 C 19 45 26.06 -21 38 22.5 – Z X39
2021-07-20 01:48:25 C 19 45 26.52 -21 38 09.1 – Z X39
2021-07-20 01:49:30 C 19 45 26.49 -21 37 56.6 – Z X39
2021-07-20 01:50:35 C 19 45 26.47 -21 37 46.7 – Z X39
2021-07-20 01:51:39 C 19 45 26.68 -21 37 37.3 – Z X39
2021-07-20 01:52:44 C 19 45 26.89 -21 37 26.4 – Z X39
2021-07-20 01:53:49 C 19 45 27.12 -21 37 12.1 – Z X39
2021-07-20 01:54:52 C 19 45 27.66 -21 37 02.6 – Z X39
2021-07-20 01:55:57 C 19 45 27.64 -21 36 52.5 – Z X39
2021-07-20 01:57:02 C 19 45 28.14 -21 36 43.2 – Z X39
2021-07-20 01:58:06 C 19 45 27.92 -21 36 27.6 – Z X39
2021-07-20 01:59:11 C 19 45 28.11 -21 36 18.0 – Z X39
2021-07-20 02:00:16 C 19 45 28.34 -21 36 05.7 – Z X39
2021-07-20 02:01:20 C 19 45 28.56 -21 35 58.9 – Z X39
2021-07-20 02:02:24 C 19 45 28.89 -21 35 48.7 – Z X39
2021-07-20 02:03:29 C 19 45 28.77 -21 35 36.2 – Z X39
2021-07-20 02:04:34 C 19 45 29.38 -21 35 23.6 – Z X39
2021-07-20 02:05:38 C 19 45 29.57 -21 35 14.2 – Z X39
2021-07-20 02:06:43 C 19 45 29.60 -21 35 04.2 – Z X39
2021-07-20 02:07:48 C 19 45 29.74 -21 34 46.6 – Z X39
2021-07-20 02:08:51 C 19 45 30.12 -21 34 37.2 – Z X39
2021-07-20 02:09:56 C 19 45 29.99 -21 34 30.0 – Z X39
2021-07-20 02:11:00 C 19 45 30.53 -21 34 13.6 – Z X39
2021-07-20 02:12:05 C 19 45 30.74 -21 34 04.9 – Z X39
2021-07-20 02:13:10 C 19 45 30.66 -21 33 51.1 – Z X39
2021-07-20 02:14:14 C 19 45 31.00 -21 33 45.1 – Z X39
2021-07-20 02:15:19 C 19 45 31.24 -21 33 28.3 – Z X39
2021-07-20 02:16:23 C 19 45 31.41 -21 33 23.2 – Z X39
2021-07-20 02:17:28 C 19 45 31.46 -21 33 08.2 – Z X39
2021-07-20 02:18:32 C 19 45 31.88 -21 32 59.6 – Z X39
2021-07-20 02:19:37 C 19 45 32.03 -21 32 46.2 – Z X39
2021-07-20 02:20:42 C 19 45 32.00 -21 32 37.9 – Z X39
2021-07-20 02:21:46 C 19 45 32.46 -21 32 28.5 – Z X39
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)