139289 (2001 KR1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8411757041 ± 2.02e-08
Semi-major axis (a)1.2596029138 AU ± 9.30e-10
Inclination (i)23.26469516° ± 4.15e-06
Long. of Asc. Node (Ω)102.70048447° ± 1.10e-05
Arg. of Perihelion (ω)291.49049537° ± 1.01e-05
Mean Anomaly (M)66.97807563° ± 3.47e-06
Mean Motion (n)0.6972070842°/day ± 7.72e-10
Perihelion dist (q)0.20005555 AU ± 2.55e-08
Aphelion dist (Q)2.31915028 AU ± 2.55e-08
Orbital Period1.41367795 yr ± 1.57e-09
Physical Parameters
H (abs. magnitude)17.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.297″
Uncertainty0
Orbit TypeApollo
MOID0.178417 AU
Observations Used784
Oppositions7
Arc Total2001-2025
First Observation Used2001-05-18
Last Observation Used2025-07-02
Observations (871)
Date Type RA Dec Mag Band Observatory
2008-06-28 21:15:26 C 13 35 46.64 +18 38 27.2 r A16
2008-06-28 21:47:32 C 13 35 42.25 +18 38 04.8 r A16
2008-06-28 22:19:29 C 13 35 37.88 +18 37 43.1 r A16
2008-06-28 22:51:27 C 13 35 33.49 +18 37 21.6 r A16
2008-06-28 23:34:03 C 13 35 27.69 +18 36 53.1 r A16
2010-03-15 11:52:33 S 18 03 03.818 +67 55 28.02 L C51
2010-03-15 13:27:43 S 18 01 49.790 +68 00 29.41 L C51
2010-03-15 15:03:04 S 18 00 35.018 +68 05 28.25 L C51
2010-03-15 16:38:03 S 17 59 20.573 +68 10 23.99 L C51
2010-03-15 16:38:14 S 17 59 20.453 +68 10 24.89 L C51
2010-03-15 18:13:35 S 17 58 05.182 +68 15 19.12 L C51
2010-03-15 19:48:34 S 17 56 49.663 +68 20 08.12 L C51
2010-03-30 10:03:19 C 13 15 47.89 +68 14 06.7 o H21
2010-03-30 10:11:53 C 13 15 43.82 +68 13 50.2 o H21
2010-03-30 10:20:27 C 13 15 39.82 +68 13 33.5 o H21
2010-05-26 03:08:34 S 11 37 06.21 +35 09 38.4 L C51
2010-05-26 09:29:26 S 11 37 15.71 +35 03 44.3 L C51
2010-05-26 12:39:56 S 11 37 20.54 +35 00 47.4 L C51
2010-05-26 15:50:27 S 11 37 25.32 +34 57 50.9 L C51
2010-05-26 17:25:49 S 11 37 27.77 +34 56 24.5 L C51
2010-05-26 19:00:59 S 11 37 30.15 +34 54 57.3 L C51
2010-05-26 20:36:20 S 11 37 32.57 +34 53 27.9 L C51
2010-05-26 22:11:30 S 11 37 34.89 +34 51 58.9 L C51
2010-05-26 23:46:40 S 11 37 37.49 +34 50 32.7 L C51
2010-05-26 23:46:51 S 11 37 37.45 +34 50 32.2 L C51
2010-05-27 02:57:11 S 11 37 42.43 +34 47 35.8 L C51
2010-05-27 04:32:32 S 11 37 44.71 +34 46 09.9 L C51
2010-05-27 06:07:42 S 11 37 47.369 +34 44 42.94 L C51
2010-05-27 09:18:13 S 11 37 52.14 +34 41 48.0 L C51
2010-05-27 12:28:44 S 11 37 57.14 +34 38 53.3 C51
2010-05-27 15:39:15 S 11 38 02.12 +34 36 00.2 C51
2010-05-27 18:49:46 S 11 38 07.03 +34 33 06.5 C51
2010-05-27 22:00:17 S 11 38 12.15 +34 30 12.1 C51
2012-05-09 12:36:08 C 15 05 17.349 +19 33 40.39 L F51
2012-05-09 12:52:00 C 15 05 15.858 +19 33 44.38 L F51
2012-05-15 07:46:58 C 14 52 28.356 +20 01 06.18 L F51
2012-05-15 08:01:05 C 14 52 27.038 +20 01 08.07 L F51
2012-05-15 08:17:18 C 14 52 25.515 +20 01 10.41 L F51
2013-03-11 11:04:00 C 15 33 39.02 +23 28 24.0 u G96
2013-03-11 11:19:32 C 15 33 37.90 +23 28 40.6 u G96
2013-03-11 11:35:17 C 15 33 36.86 +23 28 57.6 u G96
2013-03-11 11:50:42 C 15 33 35.74 +23 29 14.1 u G96
2013-03-15 09:37:35 C 15 26 43.10 +25 08 40.8 N I41
2013-03-15 10:10:24 C 15 26 40.44 +25 09 15.2 N I41
2013-03-15 10:26:24 C 15 26 39.16 +25 09 32.1 N I41
2013-03-19 00:40:14 C 15 19 26.81 +26 37 43.2 u D00
2013-03-19 00:56:19 C 15 19 25.45 +26 37 59.8 u D00
2013-03-19 01:12:17 C 15 19 23.87 +26 38 14.7 u D00
2013-03-19 01:28:23 C 15 19 22.48 +26 38 33.1 u D00
2013-04-06 09:26:03 C 14 32 17.59 +32 26 04.5 u 703