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
2021-06-18 21:24:02 S 16 55 40.476 -68 52 48.90 – V C57
2021-06-18 21:24:02 s 1 -90101.481 0 +382823.53 6570.0 – C57
2021-06-18 21:34:02 S 16 55 42.418 -68 52 47.35 – V C57
2021-06-18 21:34:02 s 1 -90431.373 0 +382624.00 420.0 – C57
2021-06-18 21:44:02 S 16 55 44.064 -68 52 45.91 – V C57
2021-06-18 21:44:02 s 1 -90761.044 0 +382423.58 3520.0 – C57
2021-06-18 21:54:02 S 16 55 46.130 -68 52 45.73 – V C57
2021-06-18 21:54:02 s 1 -91090.492 0 +382222.27 5870.0 – C57
2021-06-18 22:04:02 S 16 55 47.748 -68 52 42.78 – V C57
2021-06-18 22:04:02 s 1 -91419.716 0 +382020.07 7480.0 – C57
2021-06-18 22:14:02 S 16 55 49.481 -68 52 39.72 – V C57
2021-06-18 22:14:02 s 1 -91748.715 0 +381816.98 8330.0 – C57
2021-06-18 22:24:02 S 16 55 51.139 -68 52 41.12 – V C57
2021-06-18 22:24:02 s 1 -92077.488 0 +381613.00 8430.0 – C57
2021-06-18 22:34:02 S 16 55 52.560 -68 52 37.85 – V C57
2021-06-18 22:34:02 s 1 -92406.035 0 +381408.13 7780.0 – C57
2021-06-18 22:44:02 S 16 55 54.874 -68 52 39.36 – V C57
2021-06-18 22:44:02 s 1 -92734.353 0 +381202.37 6370.0 – C57
2021-06-18 23:14:02 S 16 56 00.084 -68 52 35.36 – V C57
2021-06-18 23:14:02 s 1 -93717.932 0 +380579.74 7550.0 – C57
2021-06-18 23:24:02 S 16 56 01.975 -68 52 32.81 – V C57
2021-06-18 23:24:02 s 1 -94045.330 0 +380370.41 3070.0 – C57
2021-06-18 23:34:02 S 16 56 03.590 -68 52 31.26 – V C57
2021-06-18 23:34:02 s 1 -94372.495 0 +380160.20 7820.0 – C57
2021-06-18 23:44:02 S 16 56 05.410 -68 52 29.71 – V C57
2021-06-18 23:44:02 s 1 -94699.426 0 +379949.09 1800.0 – C57
2021-06-18 23:54:02 S 16 56 07.181 -68 52 29.24 – V C57
2021-06-18 23:54:02 s 1 -95026.123 0 +379737.08 5000.0 – C57
2021-06-19 00:04:02 S 16 56 08.930 -68 52 26.90 – V C57
2021-06-19 00:04:02 s 1 -95352.584 0 +379524.19 7420.0 – C57
2021-06-19 00:34:02 S 16 56 14.400 -68 52 24.64 – V C57
2021-06-19 00:34:02 s 1 -96330.544 0 +378880.14 9960.0 – C57
2021-06-19 00:44:02 S 16 56 15.746 -68 52 22.01 – V C57
2021-06-19 00:44:02 s 1 -96656.053 0 +378663.67 9230.0 – C57
2021-06-19 00:54:02 S 16 56 17.839 -68 52 21.40 – V C57
2021-06-19 00:54:02 s 1 -96981.321 0 +378446.31 7700.0 – C57
2021-06-19 01:04:02 S 16 56 19.810 -68 52 18.98 – V C57
2021-06-19 01:04:02 s 1 -97306.348 0 +378228.05 5380.0 – C57
2021-06-19 01:14:02 S 16 56 21.456 -68 52 19.74 – V C57
2021-06-19 01:14:02 s 1 -97631.132 0 +378008.89 2250.0 – C57
2021-06-19 01:24:02 S 16 56 23.172 -68 52 15.49 – V C57
2021-06-19 01:24:02 s 1 -97955.672 0 +377788.85 8330.0 – C57
2021-06-19 01:34:02 S 16 56 25.058 -68 52 18.52 – V C57
2021-06-19 01:34:02 s 1 -98279.969 0 +377567.90 3590.0 – C57
2021-06-19 01:44:02 S 16 56 26.638 -68 52 14.77 – V C57
2021-06-19 01:44:02 s 1 -98604.019 0 +377346.06 8050.0 – C57
2021-06-19 01:54:02 S 16 56 28.279 -68 52 13.80 – V C57
2021-06-19 01:54:02 s 1 -98927.823 0 +377123.32 1700.0 – C57
2021-06-19 02:04:02 S 16 56 29.755 -68 52 12.14 – V C57
2021-06-19 02:04:02 s 1 -99251.379 0 +376899.69 4530.0 – 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)