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 16:44:03 S 16 28 17.491 -69 01 04.19 V C57
2021-06-06 16:44:03 s 1 -184252.84 7 +260314.86 7530.0 C57
2021-06-06 16:54:03 S 16 28 17.227 -69 01 07.46 V C57
2021-06-06 16:54:03 s 1 -184433.95 7 +259782.47 330.0 C57
2021-06-06 17:04:03 S 16 28 18.348 -69 01 15.13 V C57
2021-06-06 17:04:03 s 1 -184614.28 1 +259248.97 850.0 C57
2021-06-06 17:14:03 S 16 28 18.744 -69 01 22.48 V C57
2021-06-06 17:14:03 s 1 -184793.81 4 +258714.36 9070.0 C57
2021-06-06 17:24:03 S 16 28 19.094 -69 01 26.76 V C57
2021-06-06 17:24:03 s 1 -184972.55 5 +258178.65 4990.0 C57
2021-06-06 17:44:03 S 16 28 19.918 -69 01 38.53 V C57
2021-06-06 17:44:03 s 1 -185327.64 4 +257103.89 9880.0 C57
2021-06-06 18:34:03 S 16 28 23.839 -69 02 11.36 V C57
2021-06-06 18:34:03 s 1 -186201.26 6 +254397.49 1210.0 C57
2021-06-06 21:34:03 S 16 28 33.638 -69 03 54.86 V C57
2021-06-06 21:34:03 s 1 -189173.83 1 +244422.21 8700.0 C57
2021-06-06 21:44:03 S 16 28 33.996 -69 04 01.78 V C57
2021-06-06 21:44:03 s 1 -189330.79 9 +243857.29 1610.0 C57
2021-06-06 22:04:03 S 16 28 34.718 -69 04 13.44 V C57
2021-06-06 22:04:03 s 1 -189642.07 9 +242724.03 9770.0 C57
2021-06-06 22:24:03 S 16 28 35.686 -69 04 26.94 V C57
2021-06-06 22:24:03 s 1 -189949.79 6 +241586.21 7650.0 C57
2021-06-06 23:04:03 S 16 28 37.778 -69 04 51.13 V C57
2021-06-06 23:04:03 s 1 -190554.41 6 +239296.86 2270.0 C57
2021-06-06 23:14:03 S 16 28 38.354 -69 04 54.08 V C57
2021-06-06 23:14:03 s 1 -190703.29 7 +238721.66 1870.0 C57
2021-06-06 23:24:03 S 16 28 39.233 -69 04 57.29 V C57
2021-06-06 23:24:03 s 1 -190851.26 1 +238145.32 8840.0 C57
2021-06-06 23:44:03 S 16 28 40.022 -69 05 15.29 V C57
2021-06-06 23:44:03 s 1 -191144.42 2 +236989.18 4800.0 C57
2021-06-07 00:04:03 S 16 28 40.594 -69 05 26.74 V C57
2021-06-07 00:04:03 s 1 -191433.86 8 +235828.44 90.0 C57
2021-06-07 00:14:03 S 16 28 40.980 -69 05 32.06 V C57
2021-06-07 00:14:03 s 1 -191577.18 9 +235246.34 3700.0 C57
2021-06-07 00:34:03 S 16 28 42.518 -69 05 44.77 V C57
2021-06-07 00:34:03 s 1 -191861.00 5 +234078.68 2800.0 C57
2021-06-07 00:44:03 S 16 28 42.749 -69 05 48.34 V C57
2021-06-07 00:44:03 s 1 -192001.49 3 +233493.11 8280.0 C57
2021-06-07 00:54:03 S 16 28 43.018 -69 05 56.98 V C57
2021-06-07 00:54:03 s 1 -192141.02 9 +232906.39 1010.0 C57
2021-06-07 01:04:03 S 16 28 44.035 -69 06 01.69 V C57
2021-06-07 01:04:03 s 1 -192279.60 8 +232318.51 1000.0 C57
2021-06-07 01:14:03 S 16 28 44.786 -69 06 08.28 V C57
2021-06-07 01:14:03 s 1 -192417.22 8 +231729.48 8240.0 C57
2021-06-07 01:24:03 S 16 28 44.702 -69 06 11.20 V C57
2021-06-07 01:24:03 s 1 -192553.88 4 +231139.28 2710.0 C57
2021-06-07 01:34:03 S 16 28 45.732 -69 06 21.06 V C57
2021-06-07 01:34:03 s 1 -192689.57 1 +230547.92 4400.0 C57
2021-06-07 01:54:03 S 16 28 46.236 -69 06 30.82 V C57
2021-06-07 01:54:03 s 1 -192958.02 5 +229361.71 9400.0 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)