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
2021-06-03 14:04:03 S 16 23 23.926 -68 19 35.76 V C57
2021-06-03 14:04:03 s 1 -54821.847 0 +398973.43 40.0 C57
2021-06-03 14:14:03 S 16 23 24.686 -68 19 37.45 V C57
2021-06-03 14:14:03 s 1 -55171.240 0 +398868.35 1840.0 C57
2021-06-03 14:44:03 S 16 23 26.290 -68 19 55.99 V C57
2021-06-03 14:44:03 s 1 -56218.707 0 +398547.90 4530.0 C57
2021-06-03 15:04:03 S 16 23 28.404 -68 20 04.56 V C57
2021-06-03 15:04:03 s 1 -56916.418 0 +398329.92 4040.0 C57
2021-06-03 15:24:03 S 16 23 29.484 -68 20 15.61 V C57
2021-06-03 15:24:03 s 1 -57613.640 0 +398108.47 1700.0 C57
2021-06-03 15:34:03 S 16 23 30.511 -68 20 19.43 V C57
2021-06-03 15:34:03 s 1 -57962.066 0 +397996.44 9830.0 C57
2021-06-03 15:54:03 S 16 23 31.426 -68 20 35.34 V C57
2021-06-03 15:54:03 s 1 -58658.544 0 +397769.77 4680.0 C57
2021-06-03 16:04:03 S 16 23 31.774 -68 20 38.11 V C57
2021-06-03 16:04:03 s 1 -59006.593 0 +397655.13 1390.0 C57
2021-06-03 17:34:03 S 16 23 38.280 -68 21 26.68 V C57
2021-06-03 17:34:03 s 1 -62133.225 0 +396584.19 160.0 C57
2021-06-03 17:54:03 S 16 23 39.384 -68 21 35.50 V C57
2021-06-03 17:54:03 s 1 -62826.574 0 +396336.63 3380.0 C57
2021-06-03 18:04:03 S 16 23 40.181 -68 21 34.09 V C57
2021-06-03 18:04:03 s 1 -63173.044 0 +396211.54 4240.0 C57
2021-06-03 18:14:03 S 16 23 41.690 -68 21 42.77 V C57
2021-06-03 18:14:03 s 1 -63519.378 0 +396085.57 4590.0 C57
2021-06-03 18:24:03 S 16 23 41.798 -68 21 51.23 V C57
2021-06-03 18:24:03 s 1 -63865.573 0 +395958.74 4440.0 C57
2021-06-03 18:34:03 S 16 23 42.619 -68 21 52.96 V C57
2021-06-03 18:34:03 s 1 -64211.630 0 +395831.03 3790.0 C57
2021-06-03 18:44:03 S 16 23 44.357 -68 22 02.75 V C57
2021-06-03 18:44:03 s 1 -64557.547 0 +395702.46 2620.0 C57
2021-06-03 19:24:03 S 16 23 45.893 -68 22 21.86 V C57
2021-06-03 19:24:03 s 1 -65939.803 0 +395179.42 2810.0 C57
2021-06-03 19:34:03 S 16 23 47.208 -68 22 28.09 V C57
2021-06-03 19:34:03 s 1 -66285.010 0 +395046.47 9060.0 C57
2021-06-03 19:44:03 S 16 23 47.801 -68 22 29.71 V C57
2021-06-03 19:44:03 s 1 -66630.071 0 +394912.66 4780.0 C57
2021-06-03 20:14:03 S 16 23 49.740 -68 22 50.20 V C57
2021-06-03 20:14:03 s 1 -67664.381 0 +394505.97 8790.0 C57
2021-06-03 20:54:03 S 16 23 52.286 -68 23 06.14 V C57
2021-06-03 20:54:03 s 1 -69041.383 0 +393951.48 0.0 C57
2021-06-03 21:44:03 S 16 23 55.894 -68 23 35.77 V C57
2021-06-03 21:44:03 s 1 -70759.221 0 +393238.69 1790.0 C57
2021-06-03 21:54:03 S 16 23 56.782 -68 23 44.34 V C57
2021-06-03 21:54:03 s 1 -71102.324 0 +393093.51 500.0 C57
2021-06-03 22:24:03 S 16 23 58.692 -68 23 55.97 V C57
2021-06-03 22:24:03 s 1 -72130.691 0 +392652.70 3270.0 C57
2021-06-03 22:34:03 S 16 23 59.066 -68 24 01.19 V C57
2021-06-03 22:34:03 s 1 -72473.163 0 +392504.01 9730.0 C57
2021-06-03 22:54:03 S 16 24 00.847 -68 24 10.91 V C57
2021-06-03 22:54:03 s 1 -73157.625 0 +392204.01 970.0 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)