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
2021-06-07 09:14:03 S 16 29 07.742 -69 10 59.45 V C57
2021-06-07 09:14:03 s 1 -197809.25 1 +202070.79 5830.0 C57
2021-06-07 09:24:03 S 16 29 07.730 -69 11 04.06 V C57
2021-06-07 09:24:03 s 1 -197894.39 9 +201423.60 3370.0 C57
2021-06-07 09:34:03 S 16 29 08.114 -69 11 08.34 V C57
2021-06-07 09:34:03 s 1 -197978.35 4 +200775.20 7530.0 C57
2021-06-07 09:44:03 S 16 29 09.197 -69 11 16.66 V C57
2021-06-07 09:44:03 s 1 -198061.11 1 +200125.58 8290.0 C57
2021-06-07 10:04:03 S 16 29 09.046 -69 11 31.38 V C57
2021-06-07 10:04:03 s 1 -198223.00 6 +198822.69 9550.0 C57
2021-06-07 13:04:03 S 16 29 17.880 -69 13 17.51 V C57
2021-06-07 13:04:03 s 1 -199452.96 2 +186866.13 6180.0 C57
2021-06-07 13:24:03 S 16 29 19.111 -69 13 27.95 V C57
2021-06-07 13:24:03 s 1 -199564.30 6 +185514.63 6210.0 C57
2021-06-07 13:54:03 S 16 29 19.687 -69 13 43.46 V C57
2021-06-07 13:54:03 s 1 -199721.07 3 +183477.26 9770.0 C57
2021-06-07 14:04:03 S 16 29 19.428 -69 13 51.78 V C57
2021-06-07 14:04:03 s 1 -199770.63 3 +182795.66 6690.0 C57
2021-06-07 14:14:03 S 16 29 20.863 -69 14 00.96 V C57
2021-06-07 14:14:03 s 1 -199818.83 4 +182112.81 9780.0 C57
2021-06-07 14:24:03 S 16 29 21.398 -69 14 03.98 V C57
2021-06-07 14:24:03 s 1 -199865.67 0 +181428.72 9030.0 C57
2021-06-07 14:34:03 S 16 29 21.684 -69 14 11.72 V C57
2021-06-07 14:34:03 s 1 -199911.13 5 +180743.38 4420.0 C57
2021-06-07 14:44:03 S 16 29 21.542 -69 14 17.99 V C57
2021-06-07 14:44:03 s 1 -199955.22 2 +180056.80 5930.0 C57
2021-06-07 15:14:03 S 16 29 23.026 -69 14 32.75 V C57
2021-06-07 15:14:03 s 1 -200079.14 8 +177989.56 6990.0 C57
2021-06-07 15:24:03 S 16 29 24.329 -69 14 40.13 V C57
2021-06-07 15:24:03 s 1 -200117.65 6 +177297.99 2800.0 C57
2021-06-07 15:34:03 S 16 29 24.110 -69 14 50.28 V C57
2021-06-07 15:34:03 s 1 -200154.75 2 +176605.16 4650.0 C57
2021-06-07 15:44:03 S 16 29 24.269 -69 14 54.42 V C57
2021-06-07 15:44:03 s 1 -200190.43 0 +175911.08 2500.0 C57
2021-06-07 15:54:03 S 16 29 24.480 -69 14 58.34 V C57
2021-06-07 15:54:03 s 1 -200224.68 4 +175215.75 6350.0 C57
2021-06-07 16:04:03 S 16 29 25.320 -69 15 04.97 V C57
2021-06-07 16:04:03 s 1 -200257.50 4 +174519.16 6180.0 C57
2021-06-07 17:14:03 S 16 29 27.574 -69 15 47.95 V C57
2021-06-07 17:14:03 s 1 -200446.56 0 +169607.90 710.0 C57
2021-06-07 22:54:03 S 16 29 40.843 -69 19 16.61 V C57
2021-06-07 22:54:03 s 1 -200277.90 6 +144870.20 8740.0 C57
2021-06-07 23:14:03 S 16 29 40.673 -69 19 28.13 V C57
2021-06-07 23:14:03 s 1 -200207.61 5 +143369.10 8540.0 C57
2021-06-07 23:24:03 S 16 29 40.800 -69 19 33.53 V C57
2021-06-07 23:24:03 s 1 -200169.79 0 +142616.62 1000.0 C57
2021-06-07 23:44:03 S 16 29 41.369 -69 19 49.44 V C57
2021-06-07 23:44:03 s 1 -200088.73 3 +141107.83 890.0 C57
2021-06-08 00:04:03 S 16 29 42.298 -69 20 01.28 V C57
2021-06-08 00:04:03 s 1 -200000.40 3 +139593.90 570.0 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)