831340 (2009 QK2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6245908422 ± 5.47e-08
Semi-major axis (a)3.0435319322 AU ± 9.91e-09
Inclination (i)16.60392321° ± 1.27e-05
Long. of Asc. Node (Ω)205.00796335° ± 2.59e-05
Arg. of Perihelion (ω)69.55691592° ± 2.88e-05
Mean Anomaly (M)37.26501836° ± 1.06e-05
Mean Motion (n)0.1856288534°/day ± 9.07e-10
Perihelion dist (q)1.14256976 AU ± 1.67e-07
Aphelion dist (Q)4.94449411 AU ± 1.67e-07
Orbital Period5.30966100 yr ± 2.59e-08
Physical Parameters
H (abs. magnitude)17.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.305″
Uncertainty0
Orbit TypeAmor
MOID0.277863 AU
Observations Used207
Oppositions13
Arc Total2009-2025
First Observation Used2009-08-18
Last Observation Used2025-11-23
Observations (211)
Date Type RA Dec Mag Band Observatory
2009-08-19 04:44:05 C 23 47 01.90 +30 31 57.7 o H26
2009-08-19 04:47:28 C 23 47 01.73 +30 31 55.3 o H26
2009-08-19 04:50:52 C 23 47 01.77 +30 31 52.2 o H26
2009-08-20 00:07:10 C 23 46 40.92 +30 15 32.6 r J95
2009-08-20 00:11:49 C 23 46 40.81 +30 15 29.6 r J95
2009-08-20 21:10:14 C 23 46 17.31 +29 57 17.5 c 587
2009-08-20 21:12:23 C 23 46 17.24 +29 57 16.3 c 587
2009-08-20 22:21:26 C 23 46 15.73 +29 56 16.0 v 204
2009-08-20 22:28:50 C 23 46 15.59 +29 56 09.8 v 204
2009-08-21 01:10:13 C 23 46 11.90 +29 53 48.9 v 204
2009-08-21 01:17:35 C 23 46 11.73 +29 53 42.4 v 204
2009-08-21 22:27:20 C 23 45 46.40 +29 34 48.1 r 157
2009-08-21 22:30:38 C 23 45 46.26 +29 34 45.4 r 157
2009-08-21 22:33:56 C 23 45 46.24 +29 34 42.5 r 157
2009-08-22 21:45:31 C 23 45 16.41 +29 13 26.9 r A17
2009-08-22 22:02:38 C 23 45 15.99 +29 13 11.2 r A17
2009-08-22 22:19:43 C 23 45 15.56 +29 12 55.7 r A17
2009-08-23 09:26:11 C 23 44 59.81 +29 02 38.4 r H45
2009-08-23 09:28:24 C 23 44 59.75 +29 02 35.9 r H45
2009-08-23 09:29:53 C 23 44 59.72 +29 02 34.8 r H45
2009-08-23 09:31:57 C 23 44 59.65 +29 02 32.6 r H45
2009-08-23 09:33:47 C 23 44 59.61 +29 02 31.0 r H45
2009-08-23 09:35:16 C 23 44 59.56 +29 02 29.5 r H45
2009-08-24 06:24:33 C 23 44 31.34 +28 42 44.6 o H55
2009-08-24 06:30:43 C 23 44 31.17 +28 42 38.7 o H55
2009-08-24 06:35:40 C 23 44 31.03 +28 42 34.0 o H55
2009-08-24 06:37:37 C 23 44 31.10 +28 42 32.5 r H45
2009-08-24 06:41:39 C 23 44 30.94 +28 42 29.2 r H45
2009-08-24 06:41:52 C 23 44 30.87 +28 42 28.1 o H55
2009-08-24 06:44:16 C 23 44 30.89 +28 42 26.4 r H45
2009-08-24 06:46:49 C 23 44 30.73 +28 42 23.3 o H55
2009-08-24 06:47:41 C 23 44 30.82 +28 42 23.3 r H45
2009-08-24 06:49:22 C 23 44 30.77 +28 42 21.5 r H45
2009-08-24 06:53:48 C 23 44 30.66 +28 42 17.0 r H45
2009-08-24 22:29:26 C 23 44 08.19 +28 27 06.9 19.3 c A70
2009-08-24 22:33:31 C 23 44 08.07 +28 27 02.8 19.0 c A70
2009-08-24 22:38:21 C 23 44 07.85 +28 26 58.8 19.0 c A70
2009-08-25 06:16:03 C 23 43 56.90 +28 19 37.0 o H55
2009-08-25 06:20:08 C 23 43 56.79 +28 19 33.0 o H55
2009-08-25 06:32:22 C 23 43 56.45 +28 19 21.2 o H55
2009-08-26 06:01:16 C 23 43 21.76 +27 56 02.8 o G56
2009-08-26 06:11:16 C 23 43 21.03 +27 55 54.5 o H55
2009-08-26 06:12:28 C 23 43 21.40 +27 55 51.9 o G56
2009-08-26 06:23:15 C 23 43 20.68 +27 55 42.6 o H55
2009-08-26 06:23:40 C 23 43 21.08 +27 55 40.7 o G56
2009-08-26 06:33:52 C 23 43 20.37 +27 55 32.0 o H55
2009-08-26 06:43:58 C 23 43 20.50 +27 55 20.9 o G56
2009-08-28 06:27:00 C 23 42 05.19 +27 06 35.2 18.6 c 704
2009-08-28 06:45:23 C 23 42 04.73 +27 06 15.3 19.2 c 704
2009-08-28 07:03:58 C 23 42 04.11 +27 05 55.6 19.5 c 704