665429 (2009 KT21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3325651714 ± 1.22e-08
Semi-major axis (a)1.6705022611 AU ± 1.36e-09
Inclination (i)6.94165852° ± 2.41e-06
Long. of Asc. Node (Ω)230.82966531° ± 9.97e-06
Arg. of Perihelion (ω)244.55849738° ± 1.23e-05
Mean Anomaly (M)323.52460251° ± 4.81e-06
Mean Motion (n)0.4565009382°/day ± 5.55e-10
Perihelion dist (q)1.11495139 AU ± 2.04e-08
Aphelion dist (Q)2.22605313 AU ± 2.05e-08
Orbital Period2.15908928 yr ± 2.63e-09
Physical Parameters
H (abs. magnitude)19.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.146″
Uncertainty0
Orbit TypeAmor
MOID0.170377 AU
Observations Used225
Oppositions9
Arc Total2009-2026
First Observation Used2009-05-29
Last Observation Used2026-03-02
Observations (255)
Date Type RA Dec Mag Band Observatory
2025-10-18 03:22:16 B 01 38 02.304 +19 37 55.16 X K19
2025-10-18 08:28:36 C 01 37 48.032 +19 35 00.56 V G96
2025-10-18 08:36:39 C 01 37 47.608 +19 34 55.85 V G96
2025-10-18 08:44:42 C 01 37 47.179 +19 34 51.06 V G96
2025-10-18 08:52:45 C 01 37 46.758 +19 34 46.02 V G96
2025-10-22 14:14:33 C 01 32 43.77 +18 29 57.0 V D29
2025-10-22 14:34:55 C 01 32 42.62 +18 29 43.2 V D29
2025-10-22 14:55:17 C 01 32 41.47 +18 29 29.3 V D29
2025-10-23 14:23:38 C 01 31 28.84 +18 13 03.5 V D29
2025-10-23 14:44:00 C 01 31 27.69 +18 12 49.3 V D29
2025-10-23 15:04:21 C 01 31 26.54 +18 12 34.8 V D29
2025-10-26 15:36:40 C 01 27 38.84 +17 18 43.3 V D29
2025-10-26 15:57:02 C 01 27 37.68 +17 18 27.9 V D29
2025-10-26 16:17:24 C 01 27 36.51 +17 18 12.2 V D29
2025-10-27 04:50:35 C 01 26 57.844 +17 08 25.98 V G96
2025-10-27 04:58:05 C 01 26 57.415 +17 08 20.26 V G96
2025-10-27 05:05:35 C 01 26 56.972 +17 08 14.39 V G96
2025-10-27 05:13:04 C 01 26 56.551 +17 08 08.52 V G96
2025-10-27 12:01:30 C 01 26 35.62 +17 02 46.3 V D29
2025-10-27 12:21:52 C 01 26 34.48 +17 02 30.0 V D29
2025-10-27 12:42:14 C 01 26 33.31 +17 02 14.5 V D29
2025-10-28 13:20:43 C 01 25 15.87 +16 42 35.7 V D29
2025-10-28 13:41:05 C 01 25 14.71 +16 42 19.6 V D29
2025-10-28 14:01:27 C 01 25 13.55 +16 42 03.2 V D29
2025-10-28 20:59:32 B 01 24 51.769 +16 36 21.00 W 130
2025-10-28 21:19:39 B 01 24 50.642 +16 36 04.37 W 130
2025-11-10 06:45:41 C 01 10 56.390 +12 14 11.57 X F52
2025-11-10 07:00:53 C 01 10 55.720 +12 13 57.82 X F52
2025-11-10 07:16:07 C 01 10 55.047 +12 13 43.97 X F52
2025-11-10 07:31:27 C 01 10 54.372 +12 13 29.98 X F52
2025-11-14 02:56:59 C 01 07 44.098 +10 50 13.31 V G96
2025-11-14 03:04:22 C 01 07 43.835 +10 50 06.43 V G96
2025-11-14 03:11:47 C 01 07 43.583 +10 49 59.88 V G96
2025-11-14 03:19:11 C 01 07 43.302 +10 49 53.26 V G96
2025-11-27 15:05:16 C 01 03 05.098 +06 23 11.26 W O18
2025-11-27 15:59:25 C 01 03 05.038 +06 22 32.31 W O18
2025-11-27 16:56:29 C 01 03 05.014 +06 21 51.25 W O18
2025-11-28 14:14:31 C 01 03 12.171 +06 06 49.94 W O18
2025-11-28 15:08:51 C 01 03 12.220 +06 06 12.12 W O18
2025-11-28 16:07:48 C 01 03 12.364 +06 05 30.84 W O18
2025-11-29 15:16:23 C 01 03 23.415 +05 49 38.59 W O18
2025-11-29 17:02:10 C 01 03 23.947 +05 48 26.77 W O18
2025-12-07 06:34:00 C 01 06 58.092 +04 00 07.81 X F52
2025-12-07 06:50:14 C 01 06 58.488 +03 59 59.59 X F52
2025-12-07 07:06:29 C 01 06 58.866 +03 59 51.16 X F52
2025-12-07 07:22:33 C 01 06 59.242 +03 59 42.86 X F52
2025-12-10 15:34:36 C 01 09 43.057 +03 20 53.82 W O18
2025-12-10 16:26:59 C 01 09 44.870 +03 20 30.32 W O18
2025-12-12 04:42:38 C 01 11 13.060 +03 04 54.70 V G96
2025-12-12 04:50:49 C 01 11 13.362 +03 04 51.24 V G96