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
2000-08-12 21:22:40 C 23 50 06.22 +43 29 07.1 16.4 c 106
2000-08-12 21:32:23 C 23 50 06.05 +43 29 25.0 16.6 c 106
2000-08-12 21:42:21 C 23 50 05.99 +43 29 41.8 16.0 c 106
2000-08-13 11:46:14 C 23 49 56.70 +43 53 29.7 c 670
2000-08-13 11:50:51 C 23 49 56.57 +43 53 37.4 c 670
2000-08-13 17:14:15 C 23 49 55.58 +44 02 27.6 360
2000-08-13 17:18:15 C 23 49 55.49 +44 02 34.1 360
2000-08-13 17:21:14 C 23 49 55.43 +44 02 38.9 360
2000-08-15 08:36:59 C 23 49 33.30 +45 03 17.1 c 670
2000-08-15 08:40:30 C 23 49 33.18 +45 03 22.1 c 670
2000-08-17 05:29:30 C 23 48 57.78 +46 05 11.5 642
2000-08-17 05:34:04 C 23 48 57.48 +46 05 19.2 642
2000-08-17 05:42:16 C 23 48 57.43 +46 05 29.9 642
2000-08-17 05:44:33 C 23 48 56.86 +46 05 31.2 642
2000-08-17 21:44:21 C 23 48 41.33 +46 26 08.7 157
2000-08-17 21:54:26 C 23 48 41.10 +46 26 22.6 157
2000-08-17 22:16:46 C 23 48 40.49 +46 26 51.9 157
2000-08-19 21:04:09 C 23 47 47.42 +47 21 37.0 108
2000-08-19 21:07:10 C 23 47 47.21 +47 21 39.4 108
2000-08-19 21:11:19 C 23 47 47.01 +47 21 44.2 108
2000-08-20 01:45:26 C 23 47 38.41 +47 26 49.5 118
2000-08-20 01:47:02 C 23 47 38.36 +47 26 51.2 118
2000-08-20 01:50:06 C 23 47 38.26 +47 26 54.5 118
2000-08-22 00:06:45 C 23 46 34.78 +48 13 37.6 118
2000-08-22 00:16:09 C 23 46 34.49 +48 13 46.7 118
2000-08-22 07:44:13 C 23 46 23.85 +48 20 50.3 17.2 c 704
2000-08-22 08:02:21 C 23 46 23.13 +48 21 07.4 17.6 c 704
2000-08-22 08:20:30 C 23 46 22.45 +48 21 24.2 17.4 c 704
2000-08-22 08:38:37 C 23 46 21.76 +48 21 40.9 17.7 c 704
2000-08-22 08:56:44 C 23 46 21.08 +48 21 57.1 17.9 c 704
2000-08-23 16:51:15 C 23 45 29.63 +48 49 35.5 z 402
2000-08-23 16:53:04 C 23 45 29.58 +48 49 36.8 z 402
2000-08-23 16:54:52 C 23 45 29.54 +48 49 38.0 z 402
2000-08-24 03:48:53 C 23 45 13.81 +48 58 07.1 i 726
2000-08-24 03:53:53 C 23 45 13.33 +48 58 10.9 i 726
2000-08-24 03:58:52 C 23 45 13.14 +48 58 16.5 i 726
2000-08-25 07:45:29 C 23 44 23.21 +49 19 21.6 c 670
2000-08-25 08:44:00 C 23 44 20.71 +49 20 05.2 c 670
2000-08-25 09:53:14 C 23 44 17.99 +49 20 46.3 c 658
2000-08-25 10:02:13 C 23 44 17.63 +49 20 52.4 c 658
2000-08-25 10:07:13 C 23 44 17.45 +49 20 56.0 c 658
2000-08-25 23:23:07 C 23 43 54.07 +49 30 00.7 m 163
2000-08-25 23:31:07 C 23 43 53.73 +49 30 06.5 m 163
2000-08-28 00:51:00 C 23 42 16.03 +49 59 57.5 118
2000-08-28 00:59:56 C 23 42 15.64 +50 00 02.2 118
2000-08-28 16:03:30 C 23 41 45.55 +50 08 01.6 360
2000-08-28 16:07:00 C 23 41 45.39 +50 08 03.2 360
2000-08-28 16:10:30 C 23 41 45.22 +50 08 05.0 360
2000-08-29 22:42:56 C 23 40 41.82 +50 22 03.0 c 127
2000-08-29 22:50:15 C 23 40 41.51 +50 22 06.1 c 127
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)