IAA RAS IAA Minor Planet Database

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
2021-06-19 02:14:02 S 16 56 31.762 -68 52 11.03 – V C57
2021-06-19 02:14:02 s 1 -99574.687 0 +376675.16 6550.0 – C57
2021-06-19 02:24:02 S 16 56 33.677 -68 52 09.26 – V C57
2021-06-19 02:24:02 s 1 -99897.745 0 +376449.73 7740.0 – C57
2021-06-19 02:34:02 S 16 56 35.472 -68 52 07.79 – V C57
2021-06-19 02:34:02 s 1 -100220.55 3 +376223.41 8120.0 – C57
2021-06-19 02:44:02 S 16 56 37.536 -68 52 08.36 – V C57
2021-06-19 02:44:02 s 1 -100543.10 9 +375996.18 7660.0 – C57
2021-06-19 02:54:02 S 16 56 39.134 -68 52 06.42 – V C57
2021-06-19 02:54:02 s 1 -100865.41 2 +375768.06 6380.0 – C57
2021-06-19 03:04:02 S 16 56 40.874 -68 52 06.28 – V C57
2021-06-19 03:04:02 s 1 -101187.46 2 +375539.04 4270.0 – C57
2021-06-19 03:14:02 S 16 56 42.326 -68 52 02.42 – V C57
2021-06-19 03:14:02 s 1 -101509.25 7 +375309.12 1330.0 – C57
2021-06-19 03:24:02 S 16 56 44.297 -68 52 01.96 – V C57
2021-06-19 03:24:02 s 1 -101830.79 6 +375078.30 7540.0 – C57
2021-06-19 03:34:02 S 16 56 46.349 -68 52 01.38 – V C57
2021-06-19 03:34:02 s 1 -102152.07 9 +374846.59 2920.0 – C57
2021-06-19 03:44:02 S 16 56 47.918 -68 52 00.19 – V C57
2021-06-19 03:44:02 s 1 -102473.10 3 +374613.97 7450.0 – C57
2021-06-19 03:54:02 S 16 56 50.033 -68 51 58.46 – V C57
2021-06-19 03:54:02 s 1 -102793.86 9 +374380.45 1140.0 – C57
2021-06-19 04:04:02 S 16 56 51.931 -68 51 56.63 – V C57
2021-06-19 04:04:02 s 1 -103114.37 5 +374146.03 3980.0 – C57
2021-06-19 04:14:02 S 16 56 53.398 -68 51 55.69 – V C57
2021-06-19 04:14:02 s 1 -103434.62 1 +373910.72 5960.0 – C57
2021-06-19 04:24:02 S 16 56 55.435 -68 51 55.33 – V C57
2021-06-19 04:24:02 s 1 -103754.60 4 +373674.50 7100.0 – C57
2021-06-19 04:34:02 S 16 56 56.640 -68 51 55.69 – V C57
2021-06-19 04:34:02 s 1 -104074.32 4 +373437.37 7370.0 – C57
2021-06-19 04:54:02 S 16 57 00.149 -68 51 50.51 – V C57
2021-06-19 04:54:02 s 1 -104712.97 2 +372960.43 5340.0 – C57
2021-06-19 05:04:02 S 16 57 02.294 -68 51 49.21 – V C57
2021-06-19 05:04:02 s 1 -105031.89 7 +372720.60 3020.0 – C57
2021-06-19 05:14:02 S 16 57 03.878 -68 51 47.41 – V C57
2021-06-19 05:14:02 s 1 -105350.55 5 +372479.87 9840.0 – C57
2021-06-19 05:24:02 S 16 57 06.000 -68 51 47.48 – V C57
2021-06-19 05:24:02 s 1 -105668.94 5 +372238.23 5780.0 – C57
2021-06-19 05:34:02 S 16 57 07.867 -68 51 45.04 – V C57
2021-06-19 05:34:02 s 1 -105987.06 6 +371995.69 850.0 – C57
2021-06-19 05:44:02 S 16 57 09.612 -68 51 45.32 – V C57
2021-06-19 05:44:02 s 1 -106304.91 6 +371752.25 5040.0 – C57
2021-06-19 05:54:02 S 16 57 10.987 -68 51 44.17 – V C57
2021-06-19 05:54:02 s 1 -106622.49 5 +371507.91 8350.0 – C57
2021-06-19 06:04:02 S 16 57 13.159 -68 51 41.08 – V C57
2021-06-19 06:04:02 s 1 -106939.80 1 +371262.65 770.0 – C57
2021-06-19 06:14:02 S 16 57 14.918 -68 51 43.67 – V C57
2021-06-19 06:14:02 s 1 -107256.83 4 +371016.50 2310.0 – C57
2021-06-19 06:24:02 S 16 57 16.246 -68 51 40.46 – V C57
2021-06-19 06:24:02 s 1 -107573.59 2 +370769.44 2960.0 – 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)