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
2021-06-14 22:14:02 S 16 39 46.097 -69 06 08.03 – V C57
2021-06-14 22:14:02 s 1 +108064.52 0 +352813.58 0.0 – C57
2021-06-14 22:24:02 S 16 39 47.107 -69 06 09.11 – V C57
2021-06-14 22:24:02 s 1 +107747.87 6 +353127.95 4220.0 – C57
2021-06-14 22:34:02 S 16 39 49.001 -69 06 06.55 – V C57
2021-06-14 22:34:02 s 1 +107430.92 6 +353441.32 7800.0 – C57
2021-06-14 22:44:02 S 16 39 50.880 -69 06 06.23 – V C57
2021-06-14 22:44:02 s 1 +107113.67 0 +353753.69 750.0 – C57
2021-06-14 22:54:02 S 16 39 51.768 -69 06 03.60 – V C57
2021-06-14 22:54:02 s 1 +106796.11 1 +354065.05 3080.0 – C57
2021-06-14 23:04:02 S 16 39 53.506 -69 06 01.84 – V C57
2021-06-14 23:04:02 s 1 +106478.25 0 +354375.41 4780.0 – C57
2021-06-14 23:14:02 S 16 39 55.176 -69 06 01.30 – V C57
2021-06-14 23:14:02 s 1 +106160.08 8 +354684.77 5870.0 – C57
2021-06-14 23:24:02 S 16 39 56.813 -69 05 58.27 – V C57
2021-06-14 23:24:02 s 1 +105841.62 7 +354993.13 6340.0 – C57
2021-06-14 23:34:02 S 16 39 58.370 -69 05 57.12 – V C57
2021-06-14 23:34:02 s 1 +105522.86 8 +355300.48 6200.0 – C57
2021-06-14 23:44:02 S 16 39 59.933 -69 05 55.97 – V C57
2021-06-14 23:44:02 s 1 +105203.81 3 +355606.84 5460.0 – C57
2021-06-14 23:54:02 S 16 40 01.771 -69 05 53.23 – V C57
2021-06-14 23:54:02 s 1 +104884.46 2 +355912.20 4110.0 – C57
2021-06-15 00:04:02 S 16 40 02.894 -69 05 51.90 – V C57
2021-06-15 00:04:02 s 1 +104564.81 8 +356216.56 2160.0 – C57
2021-06-15 00:14:02 S 16 40 04.042 -69 05 48.91 – V C57
2021-06-15 00:14:02 s 1 +104244.88 1 +356519.93 9620.0 – C57
2021-06-15 00:24:02 S 16 40 05.726 -69 05 48.73 – V C57
2021-06-15 00:24:02 s 1 +103924.65 3 +356822.30 6480.0 – C57
2021-06-15 00:34:02 S 16 40 07.927 -69 05 48.23 – V C57
2021-06-15 00:34:02 s 1 +103604.13 5 +357123.67 2750.0 – C57
2021-06-15 00:44:02 S 16 40 09.014 -69 05 45.28 – V C57
2021-06-15 00:44:02 s 1 +103283.33 0 +357424.05 8430.0 – C57
2021-06-15 01:14:02 S 16 40 14.026 -69 05 40.45 – V C57
2021-06-15 01:14:02 s 1 +102319.19 7 +358319.22 2000.0 – C57
2021-06-15 01:34:02 S 16 40 15.718 -69 05 37.00 – V C57
2021-06-15 01:34:02 s 1 +101675.02 6 +358911.04 8180.0 – C57
2021-06-15 03:04:02 S 16 40 30.521 -69 05 24.54 – V C57
2021-06-15 03:04:02 s 1 +98762.543 0 +361525.27 8350.0 – C57
2021-06-15 08:54:02 S 16 41 25.790 -69 04 26.44 – V C57
2021-06-15 08:54:02 s 1 +87238.209 0 +370938.19 7540.0 – C57
2021-06-15 09:04:02 S 16 41 27.250 -69 04 25.32 – V C57
2021-06-15 09:04:02 s 1 +86904.651 0 +371189.69 8070.0 – C57
2021-06-15 09:14:02 S 16 41 28.740 -69 04 23.84 – V C57
2021-06-15 09:14:02 s 1 +86570.869 0 +371440.23 8170.0 – C57
2021-06-15 09:24:02 S 16 41 30.559 -69 04 20.35 – V C57
2021-06-15 09:24:02 s 1 +86236.865 0 +371689.80 7860.0 – C57
2021-06-15 09:34:02 S 16 41 31.800 -69 04 18.48 – V C57
2021-06-15 09:34:02 s 1 +85902.640 0 +371938.42 7130.0 – C57
2021-06-15 09:44:02 S 16 41 33.751 -69 04 20.21 – V C57
2021-06-15 09:44:02 s 1 +85568.195 0 +372186.08 5980.0 – C57
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)