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
2021-06-11 14:14:03 S 16 29 09.202 -69 26 47.22 V C57
2021-06-11 14:14:03 s 1 +174445.46 9 +65349.652 2420.0 C57
2021-06-11 14:24:03 S 16 29 09.115 -69 26 40.85 V C57
2021-06-11 14:24:03 s 1 +174698.96 6 +66277.549 1240.0 C57
2021-06-11 14:34:03 S 16 29 11.095 -69 26 38.00 V C57
2021-06-11 14:34:03 s 1 +174948.92 0 +67204.104 1020.0 C57
2021-06-11 15:14:03 S 16 29 14.448 -69 26 21.34 V C57
2021-06-11 15:14:03 s 1 +175913.81 3 +70896.758 1070.0 C57
2021-06-11 15:24:03 S 16 29 15.658 -69 26 17.16 V C57
2021-06-11 15:24:03 s 1 +176146.43 2 +71816.499 6650.0 C57
2021-06-11 15:34:03 S 16 29 16.255 -69 26 11.65 V C57
2021-06-11 15:34:03 s 1 +176375.65 8 +72734.858 3590.0 C57
2021-06-11 15:44:03 S 16 29 17.645 -69 26 08.52 V C57
2021-06-11 15:44:03 s 1 +176601.51 7 +73651.830 1950.0 C57
2021-06-11 15:54:03 S 16 29 18.307 -69 26 05.46 V C57
2021-06-11 15:54:03 s 1 +176824.03 0 +74567.408 1800.0 C57
2021-06-11 16:04:03 S 16 29 19.109 -69 25 58.84 V C57
2021-06-11 16:04:03 s 1 +177043.22 4 +75481.589 3210.0 C57
2021-06-11 16:14:03 S 16 29 19.966 -69 25 55.49 V C57
2021-06-11 16:14:03 s 1 +177259.12 1 +76394.366 6220.0 C57
2021-06-11 16:24:03 S 16 29 20.990 -69 25 52.50 V C57
2021-06-11 16:24:03 s 1 +177471.74 5 +77305.734 920.0 C57
2021-06-11 16:34:03 S 16 29 22.123 -69 25 49.15 V C57
2021-06-11 16:34:03 s 1 +177681.11 9 +78215.688 7360.0 C57
2021-06-11 16:44:03 S 16 29 22.663 -69 25 43.86 V C57
2021-06-11 16:44:03 s 1 +177887.26 6 +79124.223 5590.0 C57
2021-06-11 16:54:03 S 16 29 24.506 -69 25 41.52 V C57
2021-06-11 16:54:03 s 1 +178090.20 9 +80031.336 5690.0 C57
2021-06-11 17:04:03 S 16 29 25.217 -69 25 35.00 V C57
2021-06-11 17:04:03 s 1 +178289.97 0 +80937.020 7710.0 C57
2021-06-11 17:14:03 S 16 29 26.026 -69 25 32.16 V C57
2021-06-11 17:14:03 s 1 +178486.57 2 +81841.273 1720.0 C57
2021-06-11 17:24:03 S 16 29 27.331 -69 25 27.05 V C57
2021-06-11 17:24:03 s 1 +178680.03 6 +82744.089 7760.0 C57
2021-06-11 17:34:03 S 16 29 28.010 -69 25 23.05 V C57
2021-06-11 17:34:03 s 1 +178870.38 6 +83645.465 5900.0 C57
2021-06-11 17:44:03 S 16 29 28.915 -69 25 21.86 V C57
2021-06-11 17:44:03 s 1 +179057.64 2 +84545.396 6200.0 C57
2021-06-11 17:54:03 S 16 29 30.108 -69 25 15.64 V C57
2021-06-11 17:54:03 s 1 +179241.82 6 +85443.879 8720.0 C57
2021-06-11 18:04:03 S 16 29 31.260 -69 25 11.57 V C57
2021-06-11 18:04:03 s 1 +179422.96 0 +86340.911 3500.0 C57
2021-06-11 18:14:03 S 16 29 32.602 -69 25 09.84 V C57
2021-06-11 18:14:03 s 1 +179601.06 5 +87236.487 610.0 C57
2021-06-11 18:24:03 S 16 29 32.064 -69 25 01.85 V C57
2021-06-11 18:24:03 s 1 +179776.16 1 +88130.604 110.0 C57
2021-06-11 18:34:03 S 16 29 34.162 -69 24 58.93 V C57
2021-06-11 18:34:03 s 1 +179948.27 0 +89023.259 2040.0 C57
2021-06-11 18:44:03 S 16 29 35.474 -69 24 52.74 V C57
2021-06-11 18:44:03 s 1 +180117.41 2 +89914.448 6470.0 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)