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
2021-06-06 06:04:03 S 16 27 39.974 -68 54 47.84 V C57
2021-06-06 06:04:03 s 1 -171156.71 0 +292129.65 1930.0 C57
2021-06-06 06:14:03 S 16 27 40.548 -68 54 56.52 V C57
2021-06-06 06:14:03 s 1 -171382.34 0 +291666.11 5120.0 C57
2021-06-06 06:34:03 S 16 27 41.796 -68 55 02.53 V C57
2021-06-06 06:34:03 s 1 -171831.75 3 +290735.88 6030.0 C57
2021-06-06 06:44:03 S 16 27 42.108 -68 55 11.75 V C57
2021-06-06 06:44:03 s 1 -172055.53 0 +290269.19 3740.0 C57
2021-06-06 06:54:03 S 16 27 43.193 -68 55 18.12 V C57
2021-06-06 06:54:03 s 1 -172278.68 4 +289801.46 9620.0 C57
2021-06-06 07:24:03 S 16 27 44.734 -68 55 34.46 V C57
2021-06-06 07:24:03 s 1 -172944.38 9 +288391.95 6150.0 C57
2021-06-06 07:34:03 S 16 27 45.619 -68 55 40.22 V C57
2021-06-06 07:34:03 s 1 -173165.02 9 +287920.01 4610.0 C57
2021-06-06 07:44:03 S 16 27 46.082 -68 55 47.35 V C57
2021-06-06 07:44:03 s 1 -173385.03 5 +287447.01 1200.0 C57
2021-06-06 09:24:03 S 16 27 51.665 -68 56 46.61 V C57
2021-06-06 09:24:03 s 1 -175549.67 5 +282658.91 2790.0 C57
2021-06-06 10:44:03 S 16 27 57.355 -68 57 35.32 V C57
2021-06-06 10:44:03 s 1 -177233.88 9 +278751.88 2440.0 C57
2021-06-06 11:04:03 S 16 27 57.338 -68 57 41.33 V C57
2021-06-06 11:04:03 s 1 -177648.17 8 +277764.43 0.0 C57
2021-06-06 11:24:03 S 16 27 59.338 -68 57 57.38 V C57
2021-06-06 11:24:03 s 1 -178059.71 8 +276772.69 9500.0 C57
2021-06-06 13:54:03 S 16 28 07.944 -68 59 24.36 V C57
2021-06-06 13:54:03 s 1 -181056.52 8 +269197.06 8160.0 C57
2021-06-06 14:34:03 S 16 28 09.924 -68 59 47.98 V C57
2021-06-06 14:34:03 s 1 -181828.19 9 +267135.63 6870.0 C57
2021-06-06 14:44:03 S 16 28 10.606 -68 59 50.46 V C57
2021-06-06 14:44:03 s 1 -182019.26 2 +266617.54 8630.0 C57
2021-06-06 15:04:03 S 16 28 10.944 -69 00 05.04 V C57
2021-06-06 15:04:03 s 1 -182399.14 1 +265578.08 5620.0 C57
2021-06-06 15:14:03 S 16 28 12.142 -69 00 09.90 V C57
2021-06-06 15:14:03 s 1 -182587.95 2 +265056.71 820.0 C57
2021-06-06 15:24:03 S 16 28 11.986 -69 00 14.62 V C57
2021-06-06 15:24:03 s 1 -182776.00 6 +264534.24 3820.0 C57
2021-06-06 15:34:03 S 16 28 13.486 -69 00 26.32 V C57
2021-06-06 15:34:03 s 1 -182963.30 1 +264010.67 4610.0 C57
2021-06-06 15:44:03 S 16 28 14.095 -69 00 27.43 V C57
2021-06-06 15:44:03 s 1 -183149.83 3 +263486.00 3180.0 C57
2021-06-06 15:54:03 S 16 28 14.575 -69 00 34.67 V C57
2021-06-06 15:54:03 s 1 -183335.60 0 +262960.24 9530.0 C57
2021-06-06 16:04:03 S 16 28 14.765 -69 00 38.52 V C57
2021-06-06 16:04:03 s 1 -183520.59 9 +262433.37 3630.0 C57
2021-06-06 16:14:03 S 16 28 15.778 -69 00 47.95 V C57
2021-06-06 16:14:03 s 1 -183704.82 6 +261905.40 5490.0 C57
2021-06-06 16:24:03 S 16 28 15.859 -69 00 53.60 V C57
2021-06-06 16:24:03 s 1 -183888.27 8 +261376.32 5100.0 C57
2021-06-06 16:34:03 S 16 28 16.896 -69 00 57.82 V C57
2021-06-06 16:34:03 s 1 -184070.95 3 +260846.14 2450.0 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)