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
2021-06-08 00:34:03 S 16 29 42.254 -69 20 16.15 V C57
2021-06-08 00:34:03 s 1 -199854.10 2 +137313.39 6780.0 C57
2021-06-08 00:54:03 S 16 29 43.865 -69 20 32.17 V C57
2021-06-08 00:54:03 s 1 -199747.24 6 +135786.62 5060.0 C57
2021-06-08 01:24:03 S 16 29 45.041 -69 20 49.02 V C57
2021-06-08 01:24:03 s 1 -199572.77 8 +133486.85 3160.0 C57
2021-06-08 01:34:03 S 16 29 44.530 -69 20 51.68 V C57
2021-06-08 01:34:03 s 1 -199510.79 9 +132717.69 8600.0 C57
2021-06-08 01:44:03 S 16 29 45.840 -69 20 56.44 V C57
2021-06-08 01:44:03 s 1 -199446.89 0 +131947.24 8700.0 C57
2021-06-08 02:04:03 S 16 29 45.941 -69 21 13.82 V C57
2021-06-08 02:04:03 s 1 -199313.24 2 +130402.50 2750.0 C57
2021-06-08 02:14:03 S 16 29 46.519 -69 21 20.66 V C57
2021-06-08 02:14:03 s 1 -199243.48 2 +129628.20 6650.0 C57
2021-06-08 02:44:03 S 16 29 47.162 -69 21 39.13 V C57
2021-06-08 02:44:03 s 1 -199022.32 5 +127297.60 5500.0 C57
2021-06-08 02:54:03 S 16 29 47.342 -69 21 45.29 V C57
2021-06-08 02:54:03 s 1 -198944.61 1 +126518.17 7400.0 C57
2021-06-08 03:04:03 S 16 29 47.630 -69 21 51.01 V C57
2021-06-08 03:04:03 s 1 -198864.88 1 +125737.45 3730.0 C57
2021-06-08 03:14:03 S 16 29 48.036 -69 21 56.45 V C57
2021-06-08 03:14:03 s 1 -198783.12 3 +124955.45 4460.0 C57
2021-06-08 03:24:03 S 16 29 47.923 -69 22 00.59 V C57
2021-06-08 03:24:03 s 1 -198699.32 7 +124172.17 9560.0 C57
2021-06-08 03:34:03 S 16 29 48.497 -69 22 05.23 V C57
2021-06-08 03:34:03 s 1 -198613.48 1 +123387.60 9000.0 C57
2021-06-08 06:54:03 S 16 29 54.502 -69 24 16.45 V C57
2021-06-08 06:54:03 s 1 -196447.64 6 +107427.88 500.0 C57
2021-06-08 07:44:03 S 16 29 54.749 -69 24 42.59 V C57
2021-06-08 07:44:03 s 1 -195765.75 3 +103358.53 2230.0 C57
2021-06-08 08:04:03 S 16 29 53.165 -69 24 50.08 V C57
2021-06-08 08:04:03 s 1 -195476.42 7 +101721.96 7480.0 C57
2021-06-08 08:14:03 S 16 29 55.020 -69 25 04.26 V C57
2021-06-08 08:14:03 s 1 -195328.15 8 +100901.79 5210.0 C57
2021-06-08 08:24:03 S 16 29 55.169 -69 25 07.07 V C57
2021-06-08 08:24:03 s 1 -195177.46 4 +100080.37 6310.0 C57
2021-06-08 08:34:03 S 16 29 55.344 -69 25 13.62 V C57
2021-06-08 08:34:03 s 1 -195024.33 2 +99257.706 730.0 C57
2021-06-08 08:44:03 S 16 29 55.423 -69 25 20.96 V C57
2021-06-08 08:44:03 s 1 -194868.74 7 +98433.784 8430.0 C57
2021-06-08 08:54:03 S 16 29 55.884 -69 25 23.38 V C57
2021-06-08 08:54:03 s 1 -194710.69 5 +97608.613 9370.0 C57
2021-06-08 09:34:03 S 16 29 54.866 -69 25 46.52 V C57
2021-06-08 09:34:03 s 1 -194053.50 9 +94295.487 4820.0 C57
2021-06-08 10:14:03 S 16 29 57.096 -69 26 15.07 V C57
2021-06-08 10:14:03 s 1 -193355.62 7 +90962.558 9010.0 C57
2021-06-08 10:34:03 S 16 29 57.710 -69 26 27.06 V C57
2021-06-08 10:34:03 s 1 -192991.11 2 +89288.715 8570.0 C57
2021-06-08 11:24:03 S 16 29 58.006 -69 26 56.11 V C57
2021-06-08 11:24:03 s 1 -192033.36 4 +85082.761 5720.0 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)