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
2021-06-03 05:04:03 S 16 22 45.276 -68 14 55.18 V C57
2021-06-03 05:04:03 s 1 -35801.817 0 +403360.43 3250.0 C57
2021-06-03 05:14:03 S 16 22 46.740 -68 15 00.14 V C57
2021-06-03 05:14:03 s 1 -36156.386 0 +403302.12 6180.0 C57
2021-06-03 05:24:03 S 16 22 46.668 -68 15 05.80 V C57
2021-06-03 05:24:03 s 1 -36510.880 0 +403242.95 8790.0 C57
2021-06-03 05:44:03 S 16 22 48.638 -68 15 13.93 V C57
2021-06-03 05:44:03 s 1 -37219.640 0 +403122.02 2980.0 C57
2021-06-03 06:04:03 S 16 22 49.596 -68 15 25.74 V C57
2021-06-03 06:04:03 s 1 -37928.092 0 +402997.63 5810.0 C57
2021-06-03 06:14:03 S 16 22 50.743 -68 15 31.93 V C57
2021-06-03 06:14:03 s 1 -38282.200 0 +402934.13 6700.0 C57
2021-06-03 06:34:03 S 16 22 52.219 -68 15 40.90 V C57
2021-06-03 06:34:03 s 1 -38990.177 0 +402804.55 7450.0 C57
2021-06-03 06:54:03 S 16 22 53.090 -68 15 51.77 V C57
2021-06-03 06:54:03 s 1 -39697.829 0 +402671.51 6800.0 C57
2021-06-03 07:34:03 S 16 22 57.113 -68 16 06.49 V C57
2021-06-03 07:34:03 s 1 -41112.135 0 +402395.05 1200.0 C57
2021-06-03 07:44:03 S 16 22 56.940 -68 16 13.37 V C57
2021-06-03 07:44:03 s 1 -41465.499 0 +402323.77 8890.0 C57
2021-06-03 08:04:03 S 16 22 58.207 -68 16 30.76 V C57
2021-06-03 08:04:03 s 1 -42171.967 0 +402178.62 3180.0 C57
2021-06-03 08:44:03 S 16 23 00.528 -68 16 47.46 V C57
2021-06-03 08:44:03 s 1 -43583.836 0 +401877.93 7280.0 C57
2021-06-03 08:54:03 S 16 23 01.687 -68 16 53.36 V C57
2021-06-03 08:54:03 s 1 -43936.577 0 +401800.59 2370.0 C57
2021-06-03 09:24:03 S 16 23 03.869 -68 17 10.72 V C57
2021-06-03 09:24:03 s 1 -44994.243 0 +401563.39 5320.0 C57
2021-06-03 09:34:03 S 16 23 04.224 -68 17 13.88 V C57
2021-06-03 09:34:03 s 1 -45346.610 0 +401482.59 8860.0 C57
2021-06-03 09:54:03 S 16 23 06.221 -68 17 25.19 V C57
2021-06-03 09:54:03 s 1 -46051.058 0 +401318.40 4780.0 C57
2021-06-03 10:04:03 S 16 23 06.583 -68 17 29.58 V C57
2021-06-03 10:04:03 s 1 -46403.136 0 +401235.00 7150.0 C57
2021-06-03 10:44:03 S 16 23 10.037 -68 17 49.74 V C57
2021-06-03 10:44:03 s 1 -47810.466 0 +400892.75 2640.0 C57
2021-06-03 10:54:03 S 16 23 10.663 -68 17 53.34 V C57
2021-06-03 10:54:03 s 1 -48162.048 0 +400805.02 3000.0 C57
2021-06-03 11:04:03 S 16 23 11.088 -68 17 58.27 V C57
2021-06-03 11:04:03 s 1 -48513.528 0 +400716.43 2960.0 C57
2021-06-03 13:04:03 S 16 23 19.464 -68 19 03.43 V C57
2021-06-03 13:04:03 s 1 -52723.058 0 +399585.66 9870.0 C57
2021-06-03 13:24:03 S 16 23 21.048 -68 19 13.80 V C57
2021-06-03 13:24:03 s 1 -53423.112 0 +399385.06 8360.0 C57
2021-06-03 13:34:03 S 16 23 21.665 -68 19 17.33 V C57
2021-06-03 13:34:03 s 1 -53772.968 0 +399283.45 1940.0 C57
2021-06-03 13:44:03 S 16 23 23.035 -68 19 22.87 V C57
2021-06-03 13:44:03 s 1 -54122.710 0 +399180.98 5090.0 C57
2021-06-03 13:54:03 S 16 23 23.453 -68 19 24.92 V C57
2021-06-03 13:54:03 s 1 -54472.337 0 +399077.64 7780.0 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)