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
2000-08-09 07:30:10 C 23 50 15.62 +40 46 53.5 15.9 c 704
2000-08-09 07:50:33 C 23 50 15.40 +40 47 37.5 16.7 c 704
2000-08-09 08:10:55 C 23 50 15.19 +40 48 21.1 16.3 c 704
2000-08-09 08:31:26 C 23 50 14.96 +40 49 04.8 16.4 c 704
2000-08-09 08:51:47 C 23 50 14.70 +40 49 48.1 16.4 c 704
2000-08-10 00:49:25 C 23 50 15.78 +41 22 15.5 118
2000-08-10 00:50:47 C 23 50 15.76 +41 22 18.3 118
2000-08-10 00:53:39 C 23 50 15.73 +41 22 24.0 118
2000-08-10 02:09:18 C 23 50 15.04 +41 24 55.2 c 046
2000-08-10 02:11:10 C 23 50 14.99 +41 24 59.0 c 046
2000-08-10 02:12:26 C 23 50 15.00 +41 25 01.4 c 046
2000-08-10 02:13:25 C 23 50 14.99 +41 25 03.5 c 046
2000-08-10 03:51:29 C 23 50 18.58 +41 28 06.3 c 713
2000-08-10 04:06:29 C 23 50 18.52 +41 28 37.0 c 713
2000-08-10 04:26:30 C 23 50 18.55 +41 29 18.4 c 713
2000-08-10 04:41:59 C 23 50 18.37 +41 29 51.1 c 713
2000-08-10 05:44:38 C 23 50 18.11 +41 31 50.5 642
2000-08-10 05:49:07 C 23 50 18.00 +41 31 56.5 642
2000-08-10 05:52:09 C 23 50 17.94 +41 32 04.8 642
2000-08-10 21:22:59 C 23 50 17.11 +42 02 21.4 d 557
2000-08-10 21:32:24 C 23 50 17.05 +42 02 40.2 d 557
2000-08-10 21:34:45 C 23 50 17.02 +42 02 44.8 d 557
2000-08-10 21:44:11 C 23 50 17.24 +42 03 03.0 z 151
2000-08-10 21:45:32 C 23 50 17.21 +42 03 05.7 z 151
2000-08-10 21:48:30 C 23 50 17.19 +42 03 11.7 z 151
2000-08-10 21:50:50 C 23 50 17.14 +42 03 16.2 z 151
2000-08-10 21:55:03 C 23 50 17.13 +42 03 24.4 z 151
2000-08-10 21:56:51 C 23 50 17.11 +42 03 27.9 z 151
2000-08-10 23:42:58 C 23 50 15.83 +42 06 57.5 c 046
2000-08-10 23:43:29 C 23 50 15.83 +42 07 02.0 157
2000-08-10 23:44:15 C 23 50 15.81 +42 06 59.9 c 046
2000-08-10 23:45:19 C 23 50 15.82 +42 07 02.0 c 046
2000-08-10 23:46:24 C 23 50 15.78 +42 07 04.1 c 046
2000-08-10 23:55:39 C 23 50 15.77 +42 07 26.0 157
2000-08-11 00:04:50 C 23 50 15.74 +42 07 43.7 157
2000-08-11 00:12:49 C 23 50 15.65 +42 07 58.9 157
2000-08-11 01:14:38 C 23 50 14.55 +42 09 54.1 118
2000-08-11 01:22:09 C 23 50 14.45 +42 10 08.4 118
2000-08-11 01:44:40 C 23 50 14.14 +42 10 50.9 118
2000-08-11 06:42:52 C 23 50 15.43 +42 20 15.4 734
2000-08-11 06:48:35 C 23 50 15.35 +42 20 26.1 734
2000-08-11 06:53:57 C 23 50 15.28 +42 20 36.6 734
2000-08-11 08:58:38 C 23 50 13.93 +42 24 36.1 16.7 c 704
2000-08-11 09:19:31 C 23 50 13.61 +42 25 15.3 17.0 c 704
2000-08-11 09:40:26 C 23 50 13.24 +42 25 54.2 17.4 c 704
2000-08-11 10:22:22 C 23 50 12.53 +42 27 11.8 17.4 c 704
2000-08-11 20:18:30 C 23 50 13.75 +42 44 57.0 d 557
2000-08-11 20:20:51 C 23 50 13.74 +42 45 01.4 d 557
2000-08-11 20:23:13 C 23 50 13.72 +42 45 05.9 d 557
2000-08-11 20:25:36 C 23 50 13.71 +42 45 10.8 d 557
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)