2009 KQ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2626783861 ± 6.25e-08
Semi-major axis (a)1.5290110303 AU ± 2.98e-09
Inclination (i)6.48573582° ± 6.54e-06
Long. of Asc. Node (Ω)58.74507512° ± 3.24e-05
Arg. of Perihelion (ω)135.52663829° ± 3.63e-05
Mean Anomaly (M)279.76589912° ± 1.67e-05
Mean Motion (n)0.5213103513°/day ± 1.53e-09
Perihelion dist (q)1.12737288 AU ± 9.55e-08
Aphelion dist (Q)1.93064918 AU ± 9.56e-08
Orbital Period1.89067085 yr ± 5.53e-09
Physical Parameters
H (abs. magnitude)20.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.286″
Uncertainty0
Orbit TypeAmor
MOID0.143445 AU
Observations Used84
Oppositions8
Arc Total2008-2026
First Observation Used2008-12-30
Last Observation Used2026-01-10
Observations (87)
Date Type RA Dec Mag Band Observatory
2008-12-30 08:45:40 C 09 04 31.72 +32 20 19.4 r 703
2008-12-30 08:53:36 C 09 04 31.83 +32 20 24.0 r 703
2008-12-30 09:01:29 C 09 04 31.94 +32 20 29.8 r 703
2008-12-30 09:09:18 C 09 04 31.94 +32 20 36.3 r 703
2009-01-30 04:49:12 C 08 51 04.42 +43 36 18.0 r 703
2009-01-30 05:02:23 C 08 51 03.60 +43 36 29.7 r 703
2009-01-30 05:28:51 C 08 51 02.01 +43 36 54.1 r 703
2009-05-26 04:01:23 C 11 44 19.14 +05 52 06.6 r G96
2009-05-26 04:14:19 C 11 44 20.76 +05 51 42.7 r G96
2009-05-26 04:27:17 C 11 44 22.45 +05 51 19.2 r G96
2009-05-26 04:40:28 C 11 44 24.10 +05 50 55.2 r G96
2009-05-26 05:44:59 C 11 44 32.45 +05 48 57.2 o 693
2009-05-26 05:46:45 C 11 44 32.64 +05 48 54.1 o 693
2009-05-26 05:48:32 C 11 44 32.86 +05 48 50.9 o 693
2009-05-26 05:48:48 C 11 44 32.85 +05 48 50.2 r G96
2009-05-26 05:50:18 C 11 44 33.10 +05 48 47.9 r G96
2009-05-26 06:03:40 C 11 44 34.80 +05 48 23.2 r G96
2009-05-26 06:17:13 C 11 44 36.52 +05 47 58.5 r G96
2009-05-26 06:30:37 C 11 44 38.25 +05 47 33.9 r G96
2009-05-26 06:56:45 C 11 44 41.67 +05 46 46.4 o 693
2009-05-26 06:58:08 C 11 44 41.87 +05 46 43.4 o 693
2009-05-26 06:59:31 C 11 44 42.04 +05 46 41.5 o 693
2009-05-26 07:01:29 C 11 44 42.25 +05 46 37.6 o 693
2009-05-26 22:22:56 C 11 46 45.46 +05 18 37.3 r J95
2009-05-26 22:29:40 C 11 46 46.37 +05 18 24.6 r J95
2009-05-26 22:36:24 C 11 46 47.25 +05 18 13.1 r J95
2009-05-29 05:53:32 C 11 54 08.12 +03 38 51.3 o 291
2009-05-29 05:59:11 C 11 54 08.88 +03 38 41.0 o 291
2009-05-29 06:04:43 C 11 54 09.55 +03 38 31.5 o 291
2009-06-12 03:47:22 C 12 38 07.98 -05 37 51.4 o 291
2009-06-12 03:54:17 C 12 38 08.85 -05 38 01.7 o 291
2009-06-12 03:59:37 C 12 38 09.54 -05 38 10.4 o 291
2011-05-06 07:05:13 C 19 55 09.75 -22 47 29.0 o 807
2011-05-06 07:22:39 C 19 55 11.00 -22 47 37.0 o 807
2011-05-06 07:40:03 C 19 55 12.27 -22 47 44.9 o 807
2011-05-08 08:15:22 C 19 58 45.50 -23 10 26.1 o 807
2011-05-08 08:44:48 C 19 58 47.42 -23 10 40.7 o 807
2011-05-08 08:54:53 C 19 58 48.37 -23 11 06.9 o H21
2011-05-08 09:09:58 C 19 58 49.32 -23 11 14.5 o H21
2011-05-08 09:14:43 C 19 58 49.29 -23 10 54.9 o 807
2011-05-08 09:25:59 C 19 58 50.37 -23 11 22.4 o H21
2015-09-06 10:12:06 C 23 50 06.91 -15 36 09.4 o 291
2015-09-06 10:25:05 C 23 50 06.02 -15 36 14.2 o 291
2015-09-06 10:38:06 C 23 50 05.14 -15 36 19.2 o 291
2021-11-01 09:15:17 C 03 15 42.362 +14 28 25.99 U F51
2021-11-01 09:31:07 C 03 15 41.262 +14 28 24.58 U F51
2021-11-01 09:46:56 C 03 15 40.170 +14 28 23.44 U F51
2021-11-09 08:09:48 C 03 02 05.043 +14 10 11.97 U F51
2021-11-09 08:26:33 C 03 02 03.756 +14 10 10.03 U F51
2021-11-09 08:43:18 C 03 02 02.472 +14 10 08.50 U F51