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
2021-11-11 07:29:24 C 02 58 34.347 +14 05 26.94 U F51
2021-11-11 07:59:10 C 02 58 32.048 +14 05 24.66 U F51
2021-11-11 08:14:06 C 02 58 30.893 +14 05 23.02 U F51
2023-12-03 08:23:14 C 04 41 15.234 +25 42 48.67 V G96
2023-12-03 08:30:39 C 04 41 14.564 +25 42 49.25 V G96
2023-12-03 08:38:05 C 04 41 13.924 +25 42 50.47 V G96
2023-12-03 08:45:30 C 04 41 13.297 +25 42 52.56 V G96
2023-12-15 05:33:52 C 04 17 06.130 +26 19 34.97 V G96
2023-12-15 05:41:15 C 04 17 05.536 +26 19 35.65 V G96
2023-12-15 05:48:38 C 04 17 04.906 +26 19 36.48 V G96
2023-12-15 05:56:00 C 04 17 04.290 +26 19 36.62 V G96
2025-11-17 09:07:17 C 07 52 35.52 +25 54 44.7 V H21
2025-11-17 09:13:40 C 07 52 35.84 +25 54 46.1 V H21
2025-11-26 12:25:34 C 08 03 30.950 +26 54 44.90 X F52
2025-11-26 12:45:01 C 08 03 31.757 +26 54 51.73 X F52
2025-11-26 13:04:31 C 08 03 32.564 +26 54 58.08 X F52
2025-12-13 10:52:55 C 08 16 23.760 +29 52 42.21 X F51
2025-12-13 11:10:06 C 08 16 23.993 +29 52 52.25 X F51
2025-12-13 11:27:19 C 08 16 24.206 +29 53 02.37 X F51
2025-12-14 17:48:15 C 08 16 52.380 +30 10 27.42 W O18
2025-12-14 17:52:56 C 08 16 52.406 +30 10 29.99 W O18
2025-12-14 19:12:31 C 08 16 53.270 +30 11 18.09 W O18
2025-12-14 19:17:10 C 08 16 53.299 +30 11 20.66 W O18
2025-12-17 10:45:02 C 08 17 35.824 +30 50 08.35 X F52
2025-12-17 11:03:00 C 08 17 35.879 +30 50 19.40 X F52
2025-12-17 11:20:47 C 08 17 35.927 +30 50 30.99 X F52
2025-12-17 11:38:35 C 08 17 35.994 +30 50 42.55 X F52
2025-12-22 10:39:40 C 08 17 51.364 +32 10 42.92 V G96
2025-12-22 10:47:07 C 08 17 51.248 +32 10 48.18 V G96
2025-12-22 10:54:34 C 08 17 51.216 +32 10 53.62 V G96
2025-12-22 11:02:00 C 08 17 51.133 +32 10 58.37 V G96
2026-01-08 19:34:19 C 08 06 42.44 +37 49 34.1 V D29
2026-01-08 19:49:21 C 08 06 41.63 +37 49 46.7 V D29
2026-01-09 15:39:55 C 08 05 41.84 +38 07 00.2 V D29
2026-01-09 15:59:00 C 08 05 40.65 +38 07 16.4 V D29
2026-01-10 15:21:01 C 08 04 25.867 +38 27 23.21 W O18
2026-01-10 16:08:29 C 08 04 23.034 +38 28 05.61 W O18