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
2021-06-01 00:04:03 S 16 19 03.718 -67 49 09.52 – V C57
2021-06-01 00:04:03 s 1 +76479.236 0 +377557.86 9020.0 – C57
2021-06-01 00:14:03 S 16 19 04.366 -67 49 11.93 – V C57
2021-06-01 00:14:03 s 1 +76141.633 0 +377781.36 5900.0 – C57
2021-06-01 00:44:03 S 16 19 05.705 -67 49 25.79 – V C57
2021-06-01 00:44:03 s 1 +75127.658 0 +378446.23 4410.0 – C57
2021-06-01 01:24:03 S 16 19 07.908 -67 49 41.81 – V C57
2021-06-01 01:24:03 s 1 +73773.012 0 +379319.64 4210.0 – C57
2021-06-01 04:34:03 S 16 19 21.089 -67 51 06.59 – V C57
2021-06-01 04:34:03 s 1 +67298.587 0 +383264.91 6860.0 – C57
2021-06-01 04:54:03 S 16 19 22.579 -67 51 21.31 – V C57
2021-06-01 04:54:03 s 1 +66613.418 0 +383660.74 2820.0 – C57
2021-06-01 05:24:03 S 16 19 25.284 -67 51 34.34 – V C57
2021-06-01 05:24:03 s 1 +65584.421 0 +384247.56 4630.0 – C57
2021-06-01 05:34:03 S 16 19 25.946 -67 51 37.94 – V C57
2021-06-01 05:34:03 s 1 +65241.094 0 +384441.32 1340.0 – C57
2021-06-01 05:44:03 S 16 19 26.606 -67 51 44.89 – V C57
2021-06-01 05:44:03 s 1 +64897.606 0 +384634.17 7770.0 – C57
2021-06-01 06:14:03 S 16 19 28.903 -67 52 00.55 – V C57
2021-06-01 06:14:03 s 1 +63866.178 0 +385207.17 5440.0 – C57
2021-06-01 06:24:03 S 16 19 29.664 -67 52 06.64 – V C57
2021-06-01 06:24:03 s 1 +63522.051 0 +385396.33 790.0 – C57
2021-06-01 07:34:03 S 16 19 34.656 -67 52 34.54 – V C57
2021-06-01 07:34:03 s 1 +61108.815 0 +386694.75 980.0 – C57
2021-06-01 07:44:03 S 16 19 35.270 -67 52 41.27 – V C57
2021-06-01 07:44:03 s 1 +60763.458 0 +386876.57 4290.0 – C57
2021-06-01 08:44:03 S 16 19 38.484 -67 53 08.48 – V C57
2021-06-01 08:44:03 s 1 +58688.212 0 +387948.29 9060.0 – C57
2021-06-01 09:14:03 S 16 19 41.873 -67 53 25.40 – V C57
2021-06-01 09:14:03 s 1 +57648.637 0 +388471.82 3300.0 – C57
2021-06-01 09:24:03 S 16 19 41.892 -67 53 25.37 – V C57
2021-06-01 09:24:03 s 1 +57301.830 0 +388644.51 4270.0 – C57
2021-06-01 09:34:03 S 16 19 42.941 -67 53 30.52 – V C57
2021-06-01 09:34:03 s 1 +56954.882 0 +388816.28 5010.0 – C57
2021-06-01 09:44:03 S 16 19 43.675 -67 53 36.56 – V C57
2021-06-01 09:44:03 s 1 +56607.795 0 +388987.14 5540.0 – C57
2021-06-01 10:04:03 S 16 19 44.496 -67 53 41.86 – V C57
2021-06-01 10:04:03 s 1 +55913.209 0 +389326.14 5940.0 – C57
2021-06-01 10:14:03 S 16 19 45.691 -67 53 48.05 – V C57
2021-06-01 10:14:03 s 1 +55565.711 0 +389494.27 5820.0 – C57
2021-06-01 10:24:03 S 16 19 46.080 -67 53 58.16 – V C57
2021-06-01 10:24:03 s 1 +55218.079 0 +389661.50 5490.0 – C57
2021-06-01 10:54:03 S 16 19 47.431 -67 54 07.88 – V C57
2021-06-01 10:54:03 s 1 +54174.379 0 +390157.72 3280.0 – C57
2021-06-01 14:24:03 S 16 20 02.352 -67 55 45.88 – V C57
2021-06-01 14:24:03 s 1 +46836.754 0 +393403.12 890.0 – C57
2021-06-01 14:44:03 S 16 20 02.887 -67 55 58.58 – V C57
2021-06-01 14:44:03 s 1 +46135.219 0 +393691.46 1130.0 – C57
2021-06-01 15:24:03 S 16 20 06.799 -67 56 15.47 – V C57
2021-06-01 15:24:03 s 1 +44730.830 0 +394257.34 9840.0 – 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)