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
2021-08-10 02:43:59 S 20 53 56.316 +36 33 20.16 V C57
2021-08-10 02:43:59 s 1 +140525.22 7 +278187.65 1720.0 C57
2021-08-10 02:53:59 S 20 53 57.029 +36 33 41.36 V C57
2021-08-10 02:53:59 s 1 +140259.48 2 +278685.80 5400.0 C57
2021-08-10 03:03:59 S 20 53 57.881 +36 34 01.92 V C57
2021-08-10 03:03:59 s 1 +139993.09 3 +279182.66 7170.0 C57
2021-08-10 03:13:59 S 20 53 58.925 +36 34 25.18 V C57
2021-08-10 03:13:59 s 1 +139726.06 3 +279678.22 7030.0 C57
2021-08-10 06:13:59 S 20 54 13.579 +36 40 54.80 V C57
2021-08-10 06:13:59 s 1 +134813.43 7 +288379.73 8680.0 C57
2021-08-10 22:43:59 S 20 55 39.667 +37 15 30.10 V C57
2021-08-10 22:43:59 s 1 +104804.36 0 +329141.34 5490.0 C57
2021-08-10 22:53:59 S 20 55 40.529 +37 15 50.76 V C57
2021-08-10 22:53:59 s 1 +104479.97 6 +329494.25 6350.0 C57
2021-08-10 23:03:59 S 20 55 41.400 +37 16 10.88 V C57
2021-08-10 23:03:59 s 1 +104155.23 5 +329846.02 6170.0 C57
2021-08-10 23:13:59 S 20 55 42.406 +37 16 30.76 V C57
2021-08-10 23:13:59 s 1 +103830.13 9 +330196.66 4970.0 C57
2021-08-10 23:23:59 S 20 55 43.217 +37 16 50.81 V C57
2021-08-10 23:23:59 s 1 +103504.68 9 +330546.15 2740.0 C57
2021-08-10 23:33:59 S 20 55 44.196 +37 17 10.97 V C57
2021-08-10 23:33:59 s 1 +103178.88 8 +330894.52 9490.0 C57
2021-08-10 23:53:59 S 20 55 45.996 +37 17 52.04 V C57
2021-08-10 23:53:59 s 1 +102526.23 8 +331587.84 9960.0 C57
2021-08-11 00:03:59 S 20 55 46.944 +37 18 13.43 V C57
2021-08-11 00:03:59 s 1 +102199.39 3 +331932.81 3690.0 C57
2021-08-11 00:13:59 S 20 55 47.770 +37 18 32.33 V C57
2021-08-11 00:13:59 s 1 +101872.20 4 +332276.64 6420.0 C57
2021-08-11 00:53:59 S 20 55 51.499 +37 19 53.36 V C57
2021-08-11 00:53:59 s 1 +100560.03 9 +333640.67 7510.0 C57
2021-08-11 01:03:59 S 20 55 52.308 +37 20 13.74 V C57
2021-08-11 01:03:59 s 1 +100231.15 4 +333978.86 5340.0 C57
2021-08-11 01:13:59 S 20 55 53.362 +37 20 33.83 V C57
2021-08-11 01:13:59 s 1 +99901.936 0 +334315.93 2210.0 C57
2021-08-11 01:23:59 S 20 55 54.252 +37 20 54.24 V C57
2021-08-11 01:23:59 s 1 +99572.385 0 +334651.87 8120.0 C57
2021-08-11 01:33:59 S 20 55 55.159 +37 21 14.80 V C57
2021-08-11 01:33:59 s 1 +99242.504 0 +334986.69 3080.0 C57
2021-08-11 01:43:59 S 20 55 55.920 +37 21 35.42 V C57
2021-08-11 01:43:59 s 1 +98912.295 0 +335320.38 7090.0 C57
2021-08-11 02:03:59 S 20 55 57.910 +37 22 14.48 V C57
2021-08-11 02:03:59 s 1 +98250.897 0 +335984.41 2290.0 C57
2021-08-11 02:13:59 S 20 55 58.884 +37 22 33.53 V C57
2021-08-11 02:13:59 s 1 +97919.712 0 +336314.74 3490.0 C57
2021-08-11 02:23:59 S 20 55 59.683 +37 22 54.84 V C57
2021-08-11 02:23:59 s 1 +97588.205 0 +336643.96 3760.0 C57
2021-08-11 02:33:59 S 20 56 00.725 +37 23 14.89 V C57
2021-08-11 02:33:59 s 1 +97256.378 0 +336972.06 3110.0 C57
2021-08-11 02:43:59 S 20 56 01.519 +37 23 34.55 V C57
2021-08-11 02:43:59 s 1 +96924.233 0 +337299.04 1540.0 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)