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
2000-08-29 23:06:30 C 23 40 40.74 +50 22 19.2 157
2000-08-29 23:40:44 C 23 40 39.13 +50 22 33.8 157
2000-08-29 23:54:55 C 23 40 38.46 +50 22 40.3 157
2000-08-30 00:07:44 C 23 40 37.87 +50 22 45.1 157
2000-08-30 21:42:54 C 23 39 52.61 +50 31 09.9 c 127
2000-08-30 21:50:25 C 23 39 52.30 +50 31 12.8 c 127
2000-09-05 19:20:02 C 23 34 34.64 +51 00 54.2 z 185
2000-09-05 19:37:26 C 23 34 33.84 +51 00 55.8 z 185
2000-09-05 19:54:44 C 23 34 33.10 +51 00 58.0 z 185
2000-09-07 20:22:14 C 23 32 43.65 +51 01 26.0 z 185
2000-09-07 20:48:42 C 23 32 42.55 +51 01 26.8 z 185
2000-09-07 21:11:12 C 23 32 41.53 +51 01 26.8 z 185
2000-09-09 06:22:53 C 23 31 27.29 +50 59 10.0 18.3 c 704
2000-09-09 06:44:07 C 23 31 26.28 +50 59 10.3 18.3 c 704
2000-09-09 07:05:33 C 23 31 25.19 +50 59 08.5 18.5 c 704
2000-09-09 07:26:11 C 23 31 24.32 +50 59 06.3 18.1 c 704
2000-09-09 07:46:41 C 23 31 23.45 +50 59 04.1 18.2 c 704
2000-09-10 20:02:43 C 23 30 06.50 +50 53 49.2 m 163
2000-09-10 20:12:46 C 23 30 06.16 +50 53 46.3 m 163
2000-09-18 06:29:30 C 23 24 21.40 +49 56 58.3 18.1 c 704
2000-09-18 06:50:11 C 23 24 20.66 +49 56 49.2 18.0 c 704
2000-09-18 07:10:54 C 23 24 19.80 +49 56 39.5 18.0 c 704
2000-09-18 07:31:35 C 23 24 19.02 +49 56 30.6 18.3 c 704
2000-09-21 21:04:25 C 23 22 11.03 +49 12 02.7 587
2000-09-21 21:14:35 C 23 22 10.68 +49 11 56.9 587
2000-09-21 22:41:28 C 23 22 07.60 +49 11 09.1 071
2000-09-21 22:46:28 C 23 22 07.51 +49 11 06.6 071
2000-09-21 22:51:28 C 23 22 07.33 +49 11 03.8 071
2000-09-21 22:57:23 C 23 22 07.16 +49 11 00.0 071
2000-09-22 22:32:47 C 23 21 37.19 +48 57 01.1 108
2000-09-22 22:40:38 C 23 21 36.94 +48 56 55.7 108
2000-09-22 22:50:07 C 23 21 36.79 +48 56 56.1 108
2000-09-22 23:42:59 C 23 21 35.33 +48 56 16.5 z 469
2000-09-22 23:59:15 C 23 21 34.87 +48 56 06.5 z 469
2000-09-23 00:17:00 C 23 21 34.40 +48 55 55.4 z 469
2000-09-29 06:05:02 C 23 19 19.01 +47 12 23.2 z 711
2000-09-29 06:15:14 C 23 19 18.78 +47 12 15.3 z 711
2000-09-29 06:25:18 C 23 19 18.63 +47 12 07.8 z 711
2000-10-04 21:30:36 C 23 18 48.72 +45 21 30.3 118
2000-10-04 21:41:37 C 23 18 48.68 +45 21 20.8 118
2000-10-07 06:06:14 C 23 19 02.36 +44 31 59.4 18.0 c 704
2000-10-07 06:54:43 C 23 19 02.38 +44 31 15.0 18.3 c 704
2000-10-07 07:18:09 C 23 19 02.45 +44 30 54.2 18.7 c 704
2000-10-07 07:40:12 C 23 19 02.39 +44 30 33.6 18.3 c 704
2000-10-22 22:43:24 C 23 26 34.73 +38 44 08.9 118
2000-10-22 22:47:24 C 23 26 34.93 +38 44 04.6 118
2000-10-22 22:54:45 C 23 26 35.13 +38 43 57.6 118
2000-10-23 19:19:10 C 23 27 16.43 +38 25 19.5 587
2000-10-23 19:36:55 C 23 27 16.91 +38 25 02.1 587
2002-02-06 10:09:15 C 09 12 49.17 +08 07 44.6 d 291
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)