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
2021-06-05 17:44:03 S 16 26 54.449 -68 47 43.51 V C57
2021-06-05 17:44:03 s 1 -152901.45 3 +323585.28 9980.0 C57
2021-06-05 17:54:03 S 16 26 54.946 -68 47 50.24 V C57
2021-06-05 17:54:03 s 1 -153166.86 7 +323196.94 1910.0 C57
2021-06-05 18:04:03 S 16 26 55.094 -68 47 52.73 V C57
2021-06-05 18:04:03 s 1 -153431.81 3 +322807.62 2430.0 C57
2021-06-05 18:14:03 S 16 26 55.572 -68 47 58.74 V C57
2021-06-05 18:14:03 s 1 -153696.28 9 +322417.30 1530.0 C57
2021-06-05 18:34:03 S 16 26 57.593 -68 48 10.22 V C57
2021-06-05 18:34:03 s 1 -154223.82 0 +321633.69 5450.0 C57
2021-06-05 19:44:03 S 16 27 02.198 -68 48 54.68 V C57
2021-06-05 19:44:03 s 1 -156055.10 4 +318859.80 8710.0 C57
2021-06-05 20:04:03 S 16 27 02.969 -68 49 06.13 V C57
2021-06-05 20:04:03 s 1 -156573.96 2 +318058.30 6500.0 C57
2021-06-05 20:14:03 S 16 27 04.162 -68 49 05.52 V C57
2021-06-05 20:14:03 s 1 -156832.65 4 +317656.06 8180.0 C57
2021-06-05 20:24:03 S 16 27 04.526 -68 49 13.40 V C57
2021-06-05 20:24:03 s 1 -157090.85 3 +317252.81 8370.0 C57
2021-06-05 20:34:03 S 16 27 04.387 -68 49 19.74 V C57
2021-06-05 20:34:03 s 1 -157348.55 7 +316848.57 7080.0 C57
2021-06-05 20:54:03 S 16 27 06.029 -68 49 30.29 V C57
2021-06-05 20:54:03 s 1 -157862.47 2 +316037.08 10.0 C57
2021-06-05 21:24:03 S 16 27 07.668 -68 49 47.06 V C57
2021-06-05 21:24:03 s 1 -158629.58 3 +314812.33 8110.0 C57
2021-06-05 21:34:03 S 16 27 09.050 -68 49 57.22 V C57
2021-06-05 21:34:03 s 1 -158884.27 7 +314402.07 7780.0 C57
2021-06-05 21:44:03 S 16 27 09.214 -68 50 01.18 V C57
2021-06-05 21:44:03 s 1 -159138.46 3 +313990.81 5930.0 C57
2021-06-05 21:54:03 S 16 27 09.982 -68 50 04.49 V C57
2021-06-05 21:54:03 s 1 -159392.13 9 +313578.55 2550.0 C57
2021-06-05 22:54:03 S 16 27 14.405 -68 50 40.13 V C57
2021-06-05 22:54:03 s 1 -160903.38 1 +311083.79 9870.0 C57
2021-06-05 23:04:03 S 16 27 14.196 -68 50 47.54 V C57
2021-06-05 23:04:03 s 1 -161153.43 4 +310664.47 5650.0 C57
2021-06-05 23:14:03 S 16 27 14.971 -68 50 50.50 V C57
2021-06-05 23:14:03 s 1 -161402.96 3 +310244.13 9850.0 C57
2021-06-05 23:44:03 S 16 27 16.661 -68 51 09.40 V C57
2021-06-05 23:44:03 s 1 -162148.37 8 +308977.04 2980.0 C57
2021-06-06 00:04:03 S 16 27 17.887 -68 51 20.77 V C57
2021-06-06 00:04:03 s 1 -162642.66 1 +308127.25 7120.0 C57
2021-06-06 00:14:03 S 16 27 18.562 -68 51 26.82 V C57
2021-06-06 00:14:03 s 1 -162888.99 8 +307700.82 1790.0 C57
2021-06-06 00:24:03 S 16 27 20.256 -68 51 31.00 V C57
2021-06-06 00:24:03 s 1 -163134.79 6 +307273.39 4850.0 C57
2021-06-06 00:34:03 S 16 27 19.394 -68 51 35.71 V C57
2021-06-06 00:34:03 s 1 -163380.05 4 +306844.93 6290.0 C57
2021-06-06 04:04:03 S 16 27 33.139 -68 53 40.49 V C57
2021-06-06 04:04:03 s 1 -168401.94 6 +297610.84 4090.0 C57
2021-06-06 04:44:03 S 16 27 34.846 -68 54 03.53 V C57
2021-06-06 04:44:03 s 1 -169329.77 3 +295800.42 1710.0 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)