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
2024-04-18 11:57:12 C 14 12 33.125 -20 10 56.05 X F52
2024-05-01 08:50:49 C 13 56 17.394 -16 19 06.18 X F52
2024-05-01 09:07:56 C 13 56 16.562 -16 18 54.19 X F52
2024-05-01 09:25:06 C 13 56 15.720 -16 18 42.12 X F52
2024-05-01 09:42:14 C 13 56 14.886 -16 18 30.04 X F52
2024-05-03 08:25:49 C 13 54 13.915 -15 46 07.37 X F52
2024-05-03 08:43:48 C 13 54 13.098 -15 45 55.07 X F52
2024-05-03 09:01:49 C 13 54 12.274 -15 45 43.11 X F52
2024-05-03 09:19:50 C 13 54 11.454 -15 45 30.92 X F52
2024-05-06 08:50:15 C 13 51 23.494 -14 58 15.73 X F52
2024-05-06 09:07:28 C 13 51 22.788 -14 58 04.74 X F52
2024-05-06 09:24:41 C 13 51 22.084 -14 57 53.73 X F52
2024-05-06 09:41:54 C 13 51 21.386 -14 57 42.75 X F52
2024-05-08 07:35:44 C 13 49 45.775 -14 29 01.12 X F52
2024-05-08 07:50:50 C 13 49 45.222 -14 28 51.82 X F52
2024-05-08 08:21:05 C 13 49 44.105 -14 28 33.46 X F52
2024-05-09 06:52:30 C 13 49 00.131 -14 15 01.51 V G96
2024-05-09 06:59:55 C 13 48 59.828 -14 14 56.04 V G96
2024-05-09 07:07:21 C 13 48 59.587 -14 14 51.76 V G96
2024-05-09 07:14:47 C 13 48 59.389 -14 14 47.80 V G96
2024-05-13 01:01:11 B 13 46 29.00 -13 23 57.7 Z Y05
2024-05-13 01:21:49 B 13 46 28.42 -13 23 47.3 Z Y05
2024-05-13 01:41:25 B 13 46 27.91 -13 23 36.3 Z Y05
2024-05-26 06:37:14 C 13 42 28.769 -11 11 06.34 X F51
2024-05-26 06:54:35 C 13 42 28.707 -11 11 00.92 X F51
2024-05-26 07:11:53 C 13 42 28.637 -11 10 55.83 X F51
2024-05-26 07:29:13 C 13 42 28.555 -11 10 50.37 X F51
2025-08-26 11:02:00 C 01 44 58.641 +20 55 38.68 X F52
2025-08-26 11:19:22 C 01 44 59.159 +20 55 43.51 X F52
2025-08-26 11:36:43 C 01 44 59.718 +20 55 48.30 X F52
2025-08-26 11:54:08 C 01 45 00.238 +20 55 53.32 X F52
2025-08-28 08:14:41 C 01 46 25.39 +21 07 49.3 V H21
2025-08-28 08:18:46 C 01 46 25.53 +21 07 50.3 V H21
2025-09-01 08:46:23 C 01 49 12.74 +21 31 45.3 V H21
2025-09-01 08:52:50 C 01 49 12.90 +21 31 46.7 V H21
2025-09-02 07:36:02 C 01 49 48.63 +21 36 57.3 V H21
2025-09-02 07:43:49 C 01 49 48.79 +21 36 59.0 V H21
2025-09-25 13:59:20 C 01 54 41.047 +22 28 48.92 X F51
2025-09-25 14:18:34 C 01 54 40.760 +22 28 47.29 X F51
2025-09-25 14:37:31 C 01 54 40.506 +22 28 45.60 X F51
2025-09-25 14:56:26 C 01 54 40.235 +22 28 43.98 X F51
2025-10-02 08:40:35 C 01 51 55.778 +22 06 01.38 X F52
2025-10-02 08:58:00 C 01 51 55.310 +22 05 58.27 X F52
2025-10-02 09:15:21 C 01 51 54.860 +22 05 54.83 X F52
2025-10-04 05:24:16 C 01 50 48.606 +21 55 46.16 V G96
2025-10-04 05:31:41 C 01 50 48.433 +21 55 44.62 V G96
2025-10-04 05:39:07 C 01 50 48.239 +21 55 42.82 V G96
2025-10-04 05:46:31 C 01 50 47.944 +21 55 41.20 V G96
2025-10-18 03:11:32 B 01 38 02.858 +19 38 01.64 X K19
2025-10-18 03:16:56 B 01 38 02.546 +19 37 57.72 X K19