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
2009-08-18 08:08:25 C 23 47 22.09 +30 49 00.8 r 703
2009-08-18 08:28:26 C 23 47 21.62 +30 48 43.7 r 703
2009-08-18 08:38:36 C 23 47 21.55 +30 48 36.6 r 703
2009-08-18 09:19:15 C 23 47 20.68 +30 48 03.7 r 703
2009-08-18 09:23:04 C 23 47 20.70 +30 47 59.6 r 673
2009-08-18 09:25:41 C 23 47 20.66 +30 47 57.9 r 673
2009-08-18 09:28:20 C 23 47 20.60 +30 47 55.3 r 673
2009-08-18 09:29:26 C 23 47 20.50 +30 47 54.4 r 703
2009-08-18 09:31:07 C 23 47 20.56 +30 47 53.1 r 673
2009-08-18 09:33:47 C 23 47 20.52 +30 47 51.0 r 673
2009-08-18 09:36:27 C 23 47 20.48 +30 47 49.0 r 673
2009-08-18 09:39:11 C 23 47 20.38 +30 47 46.2 r 673
2009-08-18 09:39:35 C 23 47 20.22 +30 47 46.8 r 703
2009-08-18 09:41:50 C 23 47 20.33 +30 47 44.2 r 673
2009-08-18 09:44:28 C 23 47 20.30 +30 47 42.0 r 673
2009-08-18 09:47:05 C 23 47 20.25 +30 47 40.2 r 673
2009-08-18 09:49:50 C 23 47 20.00 +30 47 37.5 r 703
2009-08-18 11:23:48 C 23 47 18.25 +30 46 20.2 r 703
2009-08-18 11:26:32 C 23 47 18.10 +30 46 18.2 r 703
2009-08-18 11:29:17 C 23 47 18.21 +30 46 16.8 r 703
2009-08-18 11:32:02 C 23 47 18.17 +30 46 15.8 r 703
2009-08-18 21:23:34 C 23 47 09.50 +30 38 02.6 w 160
2009-08-18 21:33:08 C 23 47 09.30 +30 37 55.0 w 160
2009-08-18 21:41:28 C 23 47 09.18 +30 37 47.8 w 160
2009-08-18 21:53:09 C 23 47 08.92 +30 37 38.7 w 160
2009-08-18 21:56:38 C 23 47 08.78 +30 37 35.6 r 235
2009-08-18 22:03:16 C 23 47 08.73 +30 37 30.4 w 160
2009-08-18 22:06:53 C 23 47 08.58 +30 37 27.3 r 235
2009-08-18 22:45:07 C 23 47 07.92 +30 36 56.7 r 157
2009-08-18 22:48:14 C 23 47 07.82 +30 36 52.9 o 198
2009-08-18 22:49:31 C 23 47 07.80 +30 36 53.3 r 157
2009-08-18 22:50:01 C 23 47 07.82 +30 36 51.8 r 147
2009-08-18 22:52:20 C 23 47 07.74 +30 36 49.8 o 198
2009-08-18 22:52:37 C 23 47 07.76 +30 36 50.6 r 157
2009-08-18 22:54:11 C 23 47 07.74 +30 36 48.7 r 147
2009-08-18 23:32:03 C 23 47 07.00 +30 36 17.0 r A13
2009-08-18 23:48:49 C 23 47 06.65 +30 36 04.5 o B46
2009-08-18 23:54:08 C 23 47 06.49 +30 35 59.2 r 106
2009-08-18 23:58:57 C 23 47 06.45 +30 35 56.2 o B46
2009-08-19 00:06:50 C 23 47 06.24 +30 35 49.8 o B46
2009-08-19 00:07:18 C 23 47 06.17 +30 35 48.2 r 106
2009-08-19 00:09:51 C 23 47 06.24 +30 35 46.0 r A13
2009-08-19 00:14:43 C 23 47 06.07 +30 35 43.1 o B46
2009-08-19 00:20:27 C 23 47 05.95 +30 35 38.2 r 106
2009-08-19 00:33:38 C 23 47 05.67 +30 35 27.0 r 106
2009-08-19 00:39:04 C 23 47 05.55 +30 35 21.3 r 118
2009-08-19 00:42:18 C 23 47 05.49 +30 35 19.5 r 118
2009-08-19 00:45:32 C 23 47 05.42 +30 35 16.5 r 118
2009-08-19 00:48:47 C 23 47 05.32 +30 35 13.5 r 118
2009-08-19 04:40:35 C 23 47 02.01 +30 32 00.4 o H26