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
2025-12-12 04:58:57 C 01 11 13.672 +03 04 47.68 V G96
2025-12-12 05:07:06 C 01 11 14.003 +03 04 44.44 V G96
2025-12-13 14:44:00 C 01 12 43.174 +02 51 15.29 W O18
2025-12-13 15:25:10 C 01 12 44.883 +02 50 59.34 W O18
2025-12-13 15:40:57 C 01 12 45.563 +02 50 52.95 W O18
2025-12-14 14:40:12 C 01 13 50.838 +02 42 15.96 W O18
2025-12-14 15:21:23 C 01 13 52.647 +02 42 01.09 W O18
2025-12-15 15:22:24 C 01 15 04.179 +02 33 30.32 W O18
2025-12-15 15:53:55 C 01 15 05.657 +02 33 19.52 W O18
2025-12-16 13:39:06 C 01 16 14.133 +02 26 03.35 W O18
2025-12-16 14:11:04 C 01 16 15.682 +02 25 52.94 W O18
2025-12-16 14:35:09 C 01 16 16.863 +02 25 45.09 W O18
2025-12-17 05:16:05 C 01 17 04.993 +02 21 10.49 X F51
2025-12-17 05:32:43 C 01 17 05.805 +02 21 05.30 X F51
2025-12-17 05:49:17 C 01 17 06.616 +02 21 00.14 X F51
2025-12-17 06:05:50 C 01 17 07.431 +02 20 55.04 X F51
2025-12-20 14:42:44 C 01 21 51.420 +01 58 24.90 W O18
2025-12-20 15:48:27 C 01 21 55.288 +01 58 08.91 W O18
2025-12-21 14:39:55 C 01 23 23.263 +01 52 46.55 W O18
2025-12-21 15:45:24 C 01 23 27.249 +01 52 31.73 W O18
2025-12-23 14:10:23 C 01 26 35.202 +01 42 55.73 W O18
2025-12-23 15:15:57 C 01 26 39.500 +01 42 43.35 W O18
2026-01-01 05:46:59 C 01 42 57.294 +01 19 21.68 X F51
2026-01-01 06:04:07 C 01 42 58.700 +01 19 20.75 X F51
2026-01-01 06:21:11 C 01 43 00.117 +01 19 20.02 X F51
2026-01-01 14:18:44 C 01 43 42.053 +01 18 55.21 W O18
2026-01-01 14:20:00 C 01 43 42.175 +01 18 55.10 W O18
2026-01-01 14:50:46 C 01 43 44.765 +01 18 54.08 W O18
2026-01-01 14:52:03 C 01 43 44.861 +01 18 53.82 W O18
2026-01-06 13:13:08 C 01 54 46.618 +01 18 39.53 W O18
2026-01-06 13:52:49 C 01 54 50.330 +01 18 40.79 W O18
2026-01-06 13:54:36 C 01 54 50.490 +01 18 40.84 W O18
2026-01-07 13:13:44 C 01 57 08.701 +01 19 36.53 W O18
2026-01-07 13:53:26 C 01 57 12.475 +01 19 38.21 W O18
2026-01-10 13:39:23 C 02 04 33.016 +01 24 23.33 W O18
2026-01-10 14:45:12 C 02 04 39.674 +01 24 29.11 W O18
2026-01-11 13:28:49 C 02 07 04.352 +01 26 34.47 W O18
2026-01-11 15:07:22 C 02 07 14.504 +01 26 44.05 W O18
2026-01-16 02:27:52 C 02 19 08.029 +01 40 12.72 V G96
2026-01-16 02:35:58 C 02 19 08.933 +01 40 13.84 V G96
2026-01-16 02:44:05 C 02 19 09.790 +01 40 15.06 V G96
2026-01-16 02:52:13 C 02 19 10.686 +01 40 16.28 V G96
2026-01-17 13:30:26 C 02 23 11.241 +01 45 44.57 W O18
2026-01-17 13:58:30 C 02 23 14.402 +01 45 49.05 W O18
2026-01-29 05:37:24 C 02 58 35.737 +02 47 41.06 X F52
2026-01-29 05:55:09 C 02 58 38.057 +02 47 45.84 X F52
2026-01-29 06:12:57 C 02 58 40.374 +02 47 50.78 X F52
2026-01-29 06:30:55 C 02 58 42.726 +02 47 55.26 X F52
2026-02-27 07:12:29 C 04 46 11.096 +06 31 16.42 X F52
2026-02-27 07:28:42 C 04 46 13.798 +06 31 21.50 X F52