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
2021-06-02 18:44:03 S 16 22 01.685 -68 09 39.53 – V C57
2021-06-02 18:44:03 s 1 -13704.881 0 +405287.49 4040.0 – C57
2021-06-02 20:44:03 S 16 22 10.063 -68 10 39.72 – V C57
2021-06-02 20:44:03 s 1 -17995.212 0 +405173.84 5610.0 – C57
2021-06-02 20:54:03 S 16 22 11.045 -68 10 48.36 – V C57
2021-06-02 20:54:03 s 1 -18352.529 0 +405158.75 2640.0 – C57
2021-06-02 21:04:03 S 16 22 12.406 -68 10 51.20 – V C57
2021-06-02 21:04:03 s 1 -18709.811 0 +405142.79 9430.0 – C57
2021-06-02 21:34:03 S 16 22 14.654 -68 11 03.66 – V C57
2021-06-02 21:34:03 s 1 -19781.430 0 +405089.73 8400.0 – C57
2021-06-02 21:44:03 S 16 22 14.112 -68 11 07.98 – V C57
2021-06-02 21:44:03 s 1 -20138.560 0 +405070.31 4250.0 – C57
2021-06-02 22:24:03 S 16 22 17.770 -68 11 28.75 – V C57
2021-06-02 22:24:03 s 1 -21566.671 0 +404984.01 5200.0 – C57
2021-06-02 22:44:03 S 16 22 18.538 -68 11 43.30 – V C57
2021-06-02 22:44:03 s 1 -22280.473 0 +404935.67 4190.0 – C57
2021-06-02 22:54:03 S 16 22 19.462 -68 11 46.43 – V C57
2021-06-02 22:54:03 s 1 -22637.307 0 +404910.20 8310.0 – C57
2021-06-02 23:14:03 S 16 22 21.242 -68 11 54.89 – V C57
2021-06-02 23:14:03 s 1 -23350.839 0 +404856.68 5760.0 – C57
2021-06-02 23:34:03 S 16 22 22.752 -68 12 07.02 – V C57
2021-06-02 23:34:03 s 1 -24064.184 0 +404799.69 2180.0 – C57
2021-06-02 23:44:03 S 16 22 23.892 -68 12 12.56 – V C57
2021-06-02 23:44:03 s 1 -24420.784 0 +404769.91 5000.0 – C57
2021-06-03 00:04:03 S 16 22 24.854 -68 12 22.54 – V C57
2021-06-03 00:04:03 s 1 -25133.836 0 +404707.74 9830.0 – C57
2021-06-03 00:14:03 S 16 22 25.224 -68 12 30.46 – V C57
2021-06-03 00:14:03 s 1 -25490.287 0 +404675.36 1840.0 – C57
2021-06-03 00:24:03 S 16 22 26.381 -68 12 29.88 – V C57
2021-06-03 00:24:03 s 1 -25846.686 0 +404642.11 3570.0 – C57
2021-06-03 00:34:03 S 16 22 27.485 -68 12 34.34 – V C57
2021-06-03 00:34:03 s 1 -26203.033 0 +404608.00 5040.0 – C57
2021-06-03 00:44:03 S 16 22 27.518 -68 12 41.26 – V C57
2021-06-03 00:44:03 s 1 -26559.327 0 +404573.03 6220.0 – C57
2021-06-03 01:24:03 S 16 22 30.677 -68 13 01.92 – V C57
2021-06-03 01:24:03 s 1 -27983.956 0 +404424.50 8160.0 – C57
2021-06-03 02:04:03 S 16 22 32.578 -68 13 24.92 – V C57
2021-06-03 02:04:03 s 1 -29407.676 0 +404262.14 5510.0 – C57
2021-06-03 02:44:03 S 16 22 36.173 -68 13 43.90 – V C57
2021-06-03 02:44:03 s 1 -30830.436 0 +404085.96 8150.0 – C57
2021-06-03 03:54:03 S 16 22 41.587 -68 14 17.05 – V C57
2021-06-03 03:54:03 s 1 -33317.806 0 +403744.37 3490.0 – C57
2021-06-03 04:14:03 S 16 22 42.871 -68 14 27.96 – V C57
2021-06-03 04:14:03 s 1 -34027.878 0 +403638.99 3610.0 – C57
2021-06-03 04:24:03 S 16 22 42.878 -68 14 35.59 – V C57
2021-06-03 04:24:03 s 1 -34382.809 0 +403585.01 8190.0 – C57
2021-06-03 04:34:03 S 16 22 44.292 -68 14 42.97 – V C57
2021-06-03 04:34:03 s 1 -34737.670 0 +403530.16 2450.0 – C57
2021-06-03 04:44:03 S 16 22 44.234 -68 14 42.40 – V C57
2021-06-03 04:44:03 s 1 -35092.458 0 +403474.45 6380.0 – 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)