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
2021-06-16 13:24:02 S 16 46 02.038 -69 00 12.96 – V C57
2021-06-16 13:24:02 s 1 +27825.276 0 +400389.76 6990.0 – C57
2021-06-16 14:44:02 S 16 46 16.805 -69 00 00.29 – V C57
2021-06-16 14:44:02 s 1 +24970.121 0 +401117.75 7900.0 – C57
2021-06-16 15:44:02 S 16 46 24.401 -68 59 58.34 – V C57
2021-06-16 15:44:02 s 1 +22826.643 0 +401626.49 450.0 – C57
2021-06-16 16:24:02 S 16 46 32.018 -68 59 49.81 – V C57
2021-06-16 16:24:02 s 1 +21396.752 0 +401947.93 4930.0 – C57
2021-06-16 16:54:02 S 16 46 37.097 -68 59 45.82 – V C57
2021-06-16 16:54:02 s 1 +20323.897 0 +402179.73 5410.0 – C57
2021-06-16 17:04:02 S 16 46 38.911 -68 59 43.08 – V C57
2021-06-16 17:04:02 s 1 +19966.199 0 +402255.23 8810.0 – C57
2021-06-16 17:24:02 S 16 46 42.170 -68 59 41.21 – V C57
2021-06-16 17:24:02 s 1 +19250.691 0 +402403.58 5480.0 – C57
2021-06-16 17:34:02 S 16 46 44.177 -68 59 40.96 – V C57
2021-06-16 17:34:02 s 1 +18892.882 0 +402476.43 8740.0 – C57
2021-06-16 17:44:02 S 16 46 45.439 -68 59 38.40 – V C57
2021-06-16 17:44:02 s 1 +18535.038 0 +402548.40 1940.0 – C57
2021-06-16 18:24:02 S 16 46 52.202 -68 59 33.50 – V C57
2021-06-16 18:24:02 s 1 +17103.320 0 +402827.44 4200.0 – C57
2021-06-16 18:34:02 S 16 46 54.137 -68 59 34.87 – V C57
2021-06-16 18:34:02 s 1 +16745.309 0 +402895.00 7110.0 – C57
2021-06-16 18:44:02 S 16 46 55.625 -68 59 30.41 – V C57
2021-06-16 18:44:02 s 1 +16387.268 0 +402961.67 9960.0 – C57
2021-06-16 18:54:02 S 16 46 57.233 -68 59 25.76 – V C57
2021-06-16 18:54:02 s 1 +16029.198 0 +403027.46 2740.0 – C57
2021-06-16 19:14:02 S 16 47 00.979 -68 59 23.21 – V C57
2021-06-16 19:14:02 s 1 +15312.970 0 +403156.41 8080.0 – C57
2021-06-16 19:24:02 S 16 47 02.378 -68 59 27.89 – V C57
2021-06-16 19:24:02 s 1 +14954.815 0 +403219.56 650.0 – C57
2021-06-16 19:34:02 S 16 47 04.140 -68 59 23.06 – V C57
2021-06-16 19:34:02 s 1 +14596.633 0 +403281.83 3130.0 – C57
2021-06-16 19:44:02 S 16 47 05.676 -68 59 20.47 – V C57
2021-06-16 19:44:02 s 1 +14238.425 0 +403343.22 5540.0 – C57
2021-06-16 19:54:02 S 16 47 07.253 -68 59 21.48 – V C57
2021-06-16 19:54:02 s 1 +13880.193 0 +403403.73 7870.0 – C57
2021-06-16 20:04:02 S 16 47 09.115 -68 59 17.56 – V C57
2021-06-16 20:04:02 s 1 +13521.936 0 +403463.36 120.0 – C57
2021-06-16 20:14:02 S 16 47 10.733 -68 59 15.97 – V C57
2021-06-16 20:14:02 s 1 +13163.656 0 +403522.12 2280.0 – C57
2021-06-16 20:44:02 S 16 47 16.121 -68 59 11.33 – V C57
2021-06-16 20:44:02 s 1 +12088.684 0 +403693.10 8240.0 – C57
2021-06-16 20:54:02 S 16 47 17.311 -68 59 09.92 – V C57
2021-06-16 20:54:02 s 1 +11730.319 0 +403748.33 50.0 – C57
2021-06-16 21:14:02 S 16 47 20.714 -68 59 07.66 – V C57
2021-06-16 21:14:02 s 1 +11013.532 0 +403856.17 3370.0 – C57
2021-06-16 21:54:02 S 16 47 27.391 -68 59 03.05 – V C57
2021-06-16 22:04:02 S 16 47 29.038 -68 59 01.28 – V C57
2021-06-16 22:14:02 S 16 47 31.022 -68 59 01.50 – V C57
2021-06-16 22:24:02 S 16 47 32.460 -68 59 00.49 – V 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)