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 07:54:03 S 16 28 36.029 -69 29 38.26 V C57
2021-06-11 07:54:03 s 1 +161907.55 9 +29187.651 1950.0 C57
2021-06-11 08:04:03 S 16 28 36.895 -69 29 30.44 V C57
2021-06-11 08:04:03 s 1 +162317.28 4 +30158.927 2730.0 C57
2021-06-11 08:34:03 S 16 28 39.598 -69 29 19.32 V C57
2021-06-11 08:34:03 s 1 +163518.30 9 +33067.419 2150.0 C57
2021-06-11 08:44:03 S 16 28 40.555 -69 29 09.89 V C57
2021-06-11 08:44:03 s 1 +163909.38 7 +34035.077 4640.0 C57
2021-06-11 09:24:03 S 16 28 42.907 -69 28 54.41 V C57
2021-06-11 09:24:03 s 1 +165428.32 3 +37896.042 7260.0 C57
2021-06-11 09:34:03 S 16 28 43.517 -69 28 46.45 V C57
2021-06-11 09:34:03 s 1 +165796.88 5 +38858.784 1550.0 C57
2021-06-11 09:54:03 S 16 28 45.084 -69 28 40.22 V C57
2021-06-11 09:54:03 s 1 +166520.84 1 +40781.160 6140.0 C57
2021-06-11 10:34:03 S 16 28 48.835 -69 28 22.30 V C57
2021-06-11 10:34:03 s 1 +167917.00 6 +44613.064 1870.0 C57
2021-06-11 10:44:03 S 16 28 50.069 -69 28 16.28 V C57
2021-06-11 10:44:03 s 1 +168255.45 6 +45568.283 8520.0 C57
2021-06-11 11:14:03 S 16 28 52.313 -69 28 04.12 V C57
2021-06-11 11:14:03 s 1 +169245.89 8 +48427.110 4360.0 C57
2021-06-11 11:24:03 S 16 28 53.280 -69 27 58.72 V C57
2021-06-11 11:24:03 s 1 +169567.84 6 +49377.735 8560.0 C57
2021-06-11 11:34:03 S 16 28 54.278 -69 27 55.55 V C57
2021-06-11 11:34:03 s 1 +169885.74 6 +50327.182 2340.0 C57
2021-06-11 11:44:03 S 16 28 54.962 -69 27 51.59 V C57
2021-06-11 11:44:03 s 1 +170199.62 7 +51275.440 5810.0 C57
2021-06-11 11:54:03 S 16 28 56.100 -69 27 45.32 V C57
2021-06-11 11:54:03 s 1 +170509.52 1 +52222.497 9030.0 C57
2021-06-11 12:14:03 S 16 28 58.054 -69 27 37.08 V C57
2021-06-11 12:14:03 s 1 +171117.46 2 +54112.965 5070.0 C57
2021-06-11 12:24:03 S 16 28 58.946 -69 27 34.88 V C57
2021-06-11 12:24:03 s 1 +171415.56 9 +55056.356 8050.0 C57
2021-06-11 12:34:03 S 16 28 59.539 -69 27 28.62 V C57
2021-06-11 12:34:03 s 1 +171709.80 5 +55998.504 1100.0 C57
2021-06-11 12:44:03 S 16 28 59.993 -69 27 24.88 V C57
2021-06-11 12:44:03 s 1 +172000.19 9 +56939.401 4310.0 C57
2021-06-11 12:54:03 S 16 29 01.567 -69 27 20.34 V C57
2021-06-11 12:54:03 s 1 +172286.78 0 +57879.036 7740.0 C57
2021-06-11 13:04:03 S 16 29 01.358 -69 27 13.39 V C57
2021-06-11 13:04:03 s 1 +172569.57 6 +58817.400 1480.0 C57
2021-06-11 13:24:03 S 16 29 03.835 -69 27 08.35 V C57
2021-06-11 13:24:03 s 1 +173123.92 2 +60690.281 170.0 C57
2021-06-11 13:34:03 S 16 29 05.107 -69 27 04.50 V C57
2021-06-11 13:34:03 s 1 +173395.52 9 +61624.781 5280.0 C57
2021-06-11 13:44:03 S 16 29 05.976 -69 27 01.51 V C57
2021-06-11 13:44:03 s 1 +173663.45 9 +62557.976 980.0 C57
2021-06-11 13:54:03 S 16 29 07.106 -69 26 55.03 V C57
2021-06-11 13:54:03 s 1 +173927.74 2 +63489.858 7360.0 C57
2021-06-11 14:04:03 S 16 29 07.702 -69 26 50.78 V C57
2021-06-11 14:04:03 s 1 +174188.40 3 +64420.419 4480.0 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)