2001 PU9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5044478931 ± 8.48e-08
Semi-major axis (a)2.2446171344 AU ± 7.23e-08
Inclination (i)29.14217130° ± 3.91e-05
Long. of Asc. Node (Ω)144.81567240° ± 2.38e-05
Arg. of Perihelion (ω)159.68060048° ± 1.30e-04
Mean Anomaly (M)79.46081276° ± 1.60e-04
Mean Motion (n)0.2930885589°/day ± 1.42e-08
Perihelion dist (q)1.11232475 AU ± 1.94e-07
Aphelion dist (Q)3.37690952 AU ± 2.19e-07
Orbital Period3.36289580 yr ± 1.63e-07
Physical Parameters
H (abs. magnitude)19.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.582″
Uncertainty0
Orbit TypeAmor
MOID0.118058 AU
Observations Used59
Oppositions14
Arc Total2001-2021
First Observation Used2001-08-12
Last Observation Used2021-05-28
Observations (75)
Date Type RA Dec Mag Band Observatory
2001-09-12 12:17:20 C 19 20 09.10 -45 26 54.5 c 474
2001-09-12 12:26:40 C 19 20 11.51 -45 27 18.4 c 474
2001-09-25 00:20:39 C 20 40 12.90 -53 36 53.0 d 829
2001-09-25 00:27:59 C 20 40 14.88 -53 36 59.3 d 829
2001-09-25 00:35:39 C 20 40 16.64 -53 37 05.2 d 829
2018-08-22 03:39:01 S 04 14 50.82 -10 18 44.5 L C51
2018-08-22 06:47:31 S 04 15 05.51 -10 21 41.1 L C51
2018-08-22 08:21:46 S 04 15 12.77 -10 23 04.9 L C51
2018-08-22 11:30:16 S 04 15 27.42 -10 26 00.0 L C51
2018-08-22 13:04:31 S 04 15 34.72 -10 27 28.3 L C51
2018-08-22 22:30:01 S 04 16 18.16 -10 36 15.0 L C51
2018-08-23 00:04:05 S 04 16 25.26 -10 37 43.3 L C51
2018-08-23 00:04:16 S 04 16 25.31 -10 37 42.5 L C51
2018-08-23 03:12:35 S 04 16 39.68 -10 40 39.0 L C51
2018-08-23 06:21:05 S 04 16 54.06 -10 43 34.6 L C51
2018-08-23 12:38:06 S 04 17 22.56 -10 49 25.9 L C51
2018-08-23 15:46:35 S 04 17 36.81 -10 52 22.3 L C51
2018-09-07 10:42:36 C 04 39 38.64 -16 26 03.2 o 691
2018-09-07 10:56:04 C 04 39 39.23 -16 26 15.8 o 691
2018-09-07 11:09:29 C 04 39 39.88 -16 26 28.9 o 691
2018-09-08 09:50:49 C 04 40 44.45 -16 47 49.6 o 691
2018-09-08 10:13:04 C 04 40 45.47 -16 48 11.1 o 691
2018-09-08 10:35:19 C 04 40 46.47 -16 48 31.8 o 691
2021-05-28 04:26:10 C 12 04 30.60 +36 36 05.6 o 695
2021-05-28 04:35:20 C 12 04 30.68 +36 36 02.8 o 695