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
2021-06-17 15:34:02 S 16 50 28.042 -68 56 41.24 – V C57
2021-06-17 15:34:02 s 1 -28341.727 0 +404410.30 6990.0 – C57
2021-06-17 15:44:02 S 16 50 29.561 -68 56 38.83 – V C57
2021-06-17 15:44:02 s 1 -28697.240 0 +404367.11 4980.0 – C57
2021-06-17 15:54:02 S 16 50 31.445 -68 56 37.28 – V C57
2021-06-17 15:54:02 s 1 -29052.683 0 +404323.06 2650.0 – C57
2021-06-17 16:04:02 S 16 50 33.175 -68 56 35.99 – V C57
2021-06-17 16:04:02 s 1 -29408.054 0 +404278.14 9980.0 – C57
2021-06-17 16:14:02 S 16 50 34.680 -68 56 37.28 – V C57
2021-06-17 16:14:02 s 1 -29763.354 0 +404232.35 6980.0 – C57
2021-06-17 16:24:02 S 16 50 36.235 -68 56 35.48 – V C57
2021-06-17 16:24:02 s 1 -30118.582 0 +404185.69 3650.0 – C57
2021-06-17 16:34:02 S 16 50 38.201 -68 56 34.98 – V C57
2021-06-17 16:34:02 s 1 -30473.736 0 +404138.17 9980.0 – C57
2021-06-17 16:44:02 S 16 50 40.054 -68 56 33.07 – V C57
2021-06-17 16:44:02 s 1 -30828.816 0 +404089.78 5960.0 – C57
2021-06-17 16:54:02 S 16 50 41.830 -68 56 32.28 – V C57
2021-06-17 16:54:02 s 1 -31183.822 0 +404040.53 1610.0 – C57
2021-06-17 17:54:02 S 16 50 51.977 -68 56 21.62 – V C57
2021-06-17 17:54:02 s 1 -33312.239 0 +403726.80 8220.0 – C57
2021-06-17 18:04:02 S 16 50 53.810 -68 56 23.06 – V C57
2021-06-17 18:04:02 s 1 -33666.698 0 +403671.48 1420.0 – C57
2021-06-17 18:14:02 S 16 50 55.253 -68 56 19.82 – V C57
2021-06-17 18:14:02 s 1 -34021.077 0 +403615.29 4260.0 – C57
2021-06-17 18:24:02 S 16 50 57.238 -68 56 18.17 – V C57
2021-06-17 18:24:02 s 1 -34375.373 0 +403558.24 6740.0 – C57
2021-06-17 18:34:02 S 16 50 58.373 -68 56 18.46 – V C57
2021-06-17 18:34:02 s 1 -34729.587 0 +403500.32 8860.0 – C57
2021-06-17 18:44:02 S 16 51 00.734 -68 56 16.48 – V C57
2021-06-17 18:44:02 s 1 -35083.717 0 +403441.53 620.0 – C57
2021-06-17 19:04:02 S 16 51 03.979 -68 56 14.32 – V C57
2021-06-17 19:04:02 s 1 -35791.724 0 +403321.36 3030.0 – C57
2021-06-17 19:14:02 S 16 51 05.618 -68 56 11.80 – V C57
2021-06-17 19:14:02 s 1 -36145.598 0 +403259.97 3680.0 – C57
2021-06-17 19:24:02 S 16 51 07.411 -68 56 10.32 – V C57
2021-06-17 19:24:02 s 1 -36499.387 0 +403197.72 3950.0 – C57
2021-06-17 19:34:02 S 16 51 09.161 -68 56 09.67 – V C57
2021-06-17 19:34:02 s 1 -36853.087 0 +403134.60 3860.0 – C57
2021-06-17 20:14:02 S 16 51 16.267 -68 56 03.26 – V C57
2021-06-17 20:14:02 s 1 -38267.000 0 +402873.45 9670.0 – C57
2021-06-17 20:24:02 S 16 51 17.417 -68 56 02.87 – V C57
2021-06-17 20:24:02 s 1 -38620.251 0 +402805.99 7670.0 – C57
2021-06-17 20:34:02 S 16 51 19.195 -68 56 01.93 – V C57
2021-06-17 20:34:02 s 1 -38973.410 0 +402737.67 5270.0 – C57
2021-06-17 20:44:02 S 16 51 21.358 -68 56 01.36 – V C57
2021-06-17 20:44:02 s 1 -39326.476 0 +402668.48 2490.0 – C57
2021-06-17 20:54:02 S 16 51 22.937 -68 56 00.46 – V C57
2021-06-17 20:54:02 s 1 -39679.449 0 +402598.43 9320.0 – C57
2021-06-17 21:04:02 S 16 51 24.626 -68 55 57.18 – V C57
2021-06-17 21:04:02 s 1 -40032.326 0 +402527.51 5750.0 – 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)