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 11:44:03 S 16 29 58.534 -69 27 08.57 V C57
2021-06-08 11:44:03 s 1 -191631.33 3 +83391.902 2980.0 C57
2021-06-08 11:54:03 S 16 29 58.742 -69 27 15.19 V C57
2021-06-08 11:54:03 s 1 -191426.19 2 +82544.669 5370.0 C57
2021-06-08 12:04:03 S 16 29 58.663 -69 27 20.52 V C57
2021-06-08 12:04:03 s 1 -191218.27 8 +81696.238 210.0 C57
2021-06-08 12:34:03 S 16 29 58.884 -69 27 39.64 V C57
2021-06-08 12:34:03 s 1 -190577.72 5 +79143.794 8990.0 C57
2021-06-08 13:04:03 S 16 29 58.958 -69 27 56.27 V C57
2021-06-08 13:04:03 s 1 -189911.57 8 +76580.702 8170.0 C57
2021-06-08 13:14:03 S 16 29 59.297 -69 28 03.18 V C57
2021-06-08 13:14:03 s 1 -189683.75 7 +75723.990 8880.0 C57
2021-06-08 13:44:03 S 16 30 00.000 -69 28 20.64 V C57
2021-06-08 13:44:03 s 1 -188982.71 6 +73146.870 3280.0 C57
2021-06-08 15:04:03 S 16 29 59.983 -69 29 07.73 V C57
2021-06-08 15:04:03 s 1 -186981.01 2 +66224.170 2960.0 C57
2021-06-08 15:54:03 S 16 30 01.591 -69 29 40.67 V C57
2021-06-08 15:54:03 s 1 -185628.80 7 +61861.179 8910.0 C57
2021-06-08 16:04:03 S 16 30 00.540 -69 29 46.50 V C57
2021-06-08 16:04:03 s 1 -185348.74 1 +60985.312 8080.0 C57
2021-06-08 16:14:03 S 16 30 00.826 -69 29 47.80 V C57
2021-06-08 16:14:03 s 1 -185065.41 7 +60108.370 8450.0 C57
2021-06-08 17:04:03 S 16 30 01.162 -69 30 24.84 V C57
2021-06-08 17:04:03 s 1 -183599.16 3 +55707.781 6310.0 C57
2021-06-08 17:24:03 S 16 30 01.229 -69 30 32.15 V C57
2021-06-08 17:24:03 s 1 -182989.08 3 +53940.272 9860.0 C57
2021-06-08 17:44:03 S 16 30 02.290 -69 30 41.65 V C57
2021-06-08 17:44:03 s 1 -182365.25 5 +52168.698 6370.0 C57
2021-06-08 18:04:03 S 16 30 01.954 -69 30 55.76 V C57
2021-06-08 18:04:03 s 1 -181727.49 3 +50393.126 5360.0 C57
2021-06-08 18:24:03 S 16 30 02.014 -69 31 09.84 V C57
2021-06-08 18:24:03 s 1 -181075.60 6 +48613.626 6340.0 C57
2021-06-08 18:44:03 S 16 30 01.814 -69 31 18.84 V C57
2021-06-08 18:44:03 s 1 -180409.40 2 +46830.270 8820.0 C57
2021-06-10 23:34:03 S 16 28 04.164 -69 33 43.09 V C57
2021-06-10 23:34:03 s 1 +134518.21 0 -19899.545 6620.0 C57
2021-06-10 23:44:03 S 16 28 05.160 -69 33 41.00 V C57
2021-06-10 23:44:03 s 1 +135216.59 7 -18922.636 5410.0 C57
2021-06-10 23:54:03 S 16 28 05.347 -69 33 36.54 V C57
2021-06-10 23:54:03 s 1 +135908.08 5 -17944.765 5870.0 C57
2021-06-11 00:34:03 S 16 28 07.270 -69 33 14.58 V C57
2021-06-11 00:34:03 s 1 +138606.04 1 -14024.854 7070.0 C57
2021-06-11 01:14:03 S 16 28 09.931 -69 32 52.12 V C57
2021-06-11 01:14:03 s 1 +141197.53 0 -10094.189 6020.0 C57
2021-06-11 01:24:03 S 16 28 10.390 -69 32 46.57 V C57
2021-06-11 01:24:03 s 1 +141829.13 0 - 9110.245 7690.0 C57
2021-06-11 01:44:03 S 16 28 10.378 -69 32 39.05 V C57
2021-06-11 01:44:03 s 1 +143073.13 6 - 7141.177 310.0 C57
2021-06-11 01:54:03 S 16 28 11.897 -69 32 32.46 V C57
2021-06-11 01:54:03 s 1 +143685.63 8 - 6156.149 1530.0 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)