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
2021-06-18 07:24:02 S 16 53 12.806 -68 54 36.86 – V C57
2021-06-18 07:24:02 s 1 -61692.327 0 +396435.02 4410.0 – C57
2021-06-18 07:34:02 S 16 53 14.203 -68 54 35.93 – V C57
2021-06-18 07:34:02 s 1 -62037.611 0 +396309.36 1610.0 – C57
2021-06-18 07:44:02 S 16 53 16.073 -68 54 35.03 – V C57
2021-06-18 07:44:02 s 1 -62382.747 0 +396182.82 8280.0 – C57
2021-06-18 07:54:02 S 16 53 18.017 -68 54 31.07 – V C57
2021-06-18 07:54:02 s 1 -62727.736 0 +396055.41 4410.0 – C57
2021-06-18 08:04:02 S 16 53 19.517 -68 54 32.62 – V C57
2021-06-18 08:04:02 s 1 -63072.576 0 +395927.13 0.0 – C57
2021-06-18 08:14:02 S 16 53 21.598 -68 54 29.66 – V C57
2021-06-18 08:14:02 s 1 -63417.267 0 +395797.98 5050.0 – C57
2021-06-18 08:24:02 S 16 53 22.970 -68 54 27.14 – V C57
2021-06-18 08:24:02 s 1 -63761.807 0 +395667.95 9550.0 – C57
2021-06-18 08:34:02 S 16 53 25.054 -68 54 27.32 – V C57
2021-06-18 08:34:02 s 1 -64106.196 0 +395537.06 3510.0 – C57
2021-06-18 08:44:02 S 16 53 26.806 -68 54 27.65 – V C57
2021-06-18 08:44:02 s 1 -64450.434 0 +395405.28 6910.0 – C57
2021-06-18 08:54:02 S 16 53 28.310 -68 54 25.88 – V C57
2021-06-18 08:54:02 s 1 -64794.518 0 +395272.64 9770.0 – C57
2021-06-18 09:04:02 S 16 53 30.319 -68 54 23.76 – V C57
2021-06-18 09:04:02 s 1 -65138.449 0 +395139.12 2070.0 – C57
2021-06-18 09:14:02 S 16 53 32.018 -68 54 24.41 – V C57
2021-06-18 09:14:02 s 1 -65482.225 0 +395004.73 3810.0 – C57
2021-06-18 09:24:02 S 16 53 33.646 -68 54 21.85 – V C57
2021-06-18 09:24:02 s 1 -65825.845 0 +394869.47 5000.0 – C57
2021-06-18 09:34:02 S 16 53 35.311 -68 54 20.38 – V C57
2021-06-18 09:34:02 s 1 -66169.310 0 +394733.33 5630.0 – C57
2021-06-18 09:44:02 S 16 53 37.344 -68 54 19.51 – V C57
2021-06-18 09:44:02 s 1 -66512.617 0 +394596.32 5690.0 – C57
2021-06-18 09:54:02 S 16 53 38.794 -68 54 16.85 – V C57
2021-06-18 09:54:02 s 1 -66855.767 0 +394458.43 5180.0 – C57
2021-06-18 10:04:02 S 16 53 40.661 -68 54 16.27 – V C57
2021-06-18 10:04:02 s 1 -67198.757 0 +394319.67 4110.0 – C57
2021-06-18 10:24:02 S 16 53 44.258 -68 54 16.52 – V C57
2021-06-18 10:24:02 s 1 -67884.258 0 +394039.53 260.0 – C57
2021-06-18 10:34:02 S 16 53 46.214 -68 54 12.92 – V C57
2021-06-18 10:34:02 s 1 -68226.767 0 +393898.15 7470.0 – C57
2021-06-18 10:44:02 S 16 53 47.597 -68 54 11.81 – V C57
2021-06-18 10:44:02 s 1 -68569.114 0 +393755.89 4100.0 – C57
2021-06-18 10:54:02 S 16 53 49.366 -68 54 12.20 – V C57
2021-06-18 10:54:02 s 1 -68911.298 0 +393612.76 150.0 – C57
2021-06-18 11:04:02 S 16 53 51.530 -68 54 08.24 – V C57
2021-06-18 11:04:02 s 1 -69253.317 0 +393468.75 5620.0 – C57
2021-06-18 11:14:02 S 16 53 53.023 -68 54 06.62 – V C57
2021-06-18 11:14:02 s 1 -69595.172 0 +393323.87 510.0 – C57
2021-06-18 11:24:02 S 16 53 55.159 -68 54 04.72 – V C57
2021-06-18 11:24:02 s 1 -69936.861 0 +393178.11 4810.0 – C57
2021-06-18 11:34:02 S 16 53 56.105 -68 54 05.80 – V C57
2021-06-18 11:34:02 s 1 -70278.384 0 +393031.48 8520.0 – 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)