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 02:04:03 S 16 28 12.454 -69 32 25.19 V C57
2021-06-11 02:04:03 s 1 +144291.86 9 - 5170.855 6200.0 C57
2021-06-11 02:44:03 S 16 28 14.923 -69 32 07.04 V C57
2021-06-11 02:44:03 s 1 +146655.02 2 - 1227.909 2060.0 C57
2021-06-11 03:04:03 S 16 28 15.910 -69 31 58.58 V C57
2021-06-11 03:04:03 s 1 +147800.18 4 + 744.025 4130.0 C57
2021-06-11 03:24:03 S 16 28 17.129 -69 31 46.92 V C57
2021-06-11 03:24:03 s 1 +148921.55 9 + 2715.833 3660.0 C57
2021-06-11 03:34:03 S 16 28 17.402 -69 31 40.87 V C57
2021-06-11 03:34:03 s 1 +149473.44 0 + 3701.593 5300.0 C57
2021-06-11 03:44:03 S 16 28 18.134 -69 31 36.77 V C57
2021-06-11 03:44:03 s 1 +150019.51 0 + 4687.208 1680.0 C57
2021-06-11 03:54:03 S 16 28 18.684 -69 31 32.09 V C57
2021-06-11 03:54:03 s 1 +150559.81 2 + 5672.641 2930.0 C57
2021-06-11 04:04:03 S 16 28 19.382 -69 31 24.74 V C57
2021-06-11 04:04:03 s 1 +151094.39 2 + 6657.856 9180.0 C57
2021-06-11 04:14:03 S 16 28 20.338 -69 31 23.23 V C57
2021-06-11 04:14:03 s 1 +151623.29 3 + 7642.820 550.0 C57
2021-06-11 04:54:03 S 16 28 23.009 -69 31 02.53 V C57
2021-06-11 04:54:03 s 1 +153682.98 0 +11579.495 9620.0 C57
2021-06-11 05:04:03 S 16 28 23.556 -69 30 55.33 V C57
2021-06-11 05:04:03 s 1 +154184.13 6 +12562.709 8380.0 C57
2021-06-11 05:14:03 S 16 28 24.317 -69 30 51.55 V C57
2021-06-11 05:14:03 s 1 +154679.87 2 +13545.481 2980.0 C57
2021-06-11 05:24:03 S 16 28 25.094 -69 30 46.80 V C57
2021-06-11 05:24:03 s 1 +155170.22 8 +14527.780 3530.0 C57
2021-06-11 05:44:03 S 16 28 26.354 -69 30 36.11 V C57
2021-06-11 05:44:03 s 1 +156134.96 8 +16490.848 2940.0 C57
2021-06-11 05:54:03 S 16 28 27.161 -69 30 34.81 V C57
2021-06-11 05:54:03 s 1 +156609.43 4 +17471.561 2030.0 C57
2021-06-11 06:04:03 S 16 28 28.178 -69 30 27.86 V C57
2021-06-11 06:04:03 s 1 +157078.68 5 +18451.692 7530.0 C57
2021-06-11 06:14:03 S 16 28 28.682 -69 30 23.58 V C57
2021-06-11 06:14:03 s 1 +157542.76 2 +19431.213 9540.0 C57
2021-06-11 06:24:03 S 16 28 29.460 -69 30 17.89 V C57
2021-06-11 06:24:03 s 1 +158001.70 4 +20410.101 8180.0 C57
2021-06-11 06:34:03 S 16 28 30.194 -69 30 14.29 V C57
2021-06-11 06:34:03 s 1 +158455.55 0 +21388.330 3560.0 C57
2021-06-11 06:44:03 S 16 28 30.905 -69 30 11.34 V C57
2021-06-11 06:44:03 s 1 +158904.34 1 +22365.876 5790.0 C57
2021-06-11 06:54:03 S 16 28 31.750 -69 30 05.83 V C57
2021-06-11 06:54:03 s 1 +159348.11 6 +23342.714 4960.0 C57
2021-06-11 07:14:03 S 16 28 33.192 -69 29 56.65 V C57
2021-06-11 07:14:03 s 1 +160220.76 9 +25294.180 4600.0 C57
2021-06-11 07:24:03 S 16 28 34.109 -69 29 49.96 V C57
2021-06-11 07:24:03 s 1 +160649.72 5 +26268.762 5280.0 C57
2021-06-11 07:34:03 S 16 28 34.711 -69 29 45.38 V C57
2021-06-11 07:34:03 s 1 +161073.81 7 +27242.548 3320.0 C57
2021-06-11 07:44:03 S 16 28 35.467 -69 29 42.04 V C57
2021-06-11 07:44:03 s 1 +161493.08 2 +28215.518 8850.0 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)