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
2003-04-24 08:29:30 C 12 45 43.40 +42 37 44.5 c 926
2003-04-24 08:36:28 C 12 45 42.75 +42 37 41.7 c 926
2003-05-01 03:33:02 C 12 31 55.995 +40 35 06.94 n 645
2003-05-01 03:34:14 C 12 31 55.890 +40 35 05.84 n 645
2003-05-01 03:37:49 C 12 31 55.638 +40 35 02.98 n 645
2005-04-07 08:54:38 C 16 20 19.00 +11 02 17.9 o 696
2005-04-07 09:00:01 C 16 20 18.78 +11 02 21.2 o 696
2005-05-07 11:23:38 C 15 29 52.96 +17 51 06.7 o F65
2005-05-07 11:25:28 C 15 29 52.80 +17 51 07.2 o F65
2005-05-07 11:27:17 C 15 29 52.60 +17 51 08.1 o F65
2005-05-08 07:03:40 C 15 28 01.33 +17 58 50.9 r 448
2005-05-08 07:45:48 C 15 27 57.10 +17 59 06.0 r 448
2005-05-08 08:22:24 C 15 27 53.60 +17 59 20.5 r 448
2005-05-11 23:07:26 C 15 19 31.00 +18 29 39.5 o 198
2005-05-11 23:10:01 C 15 19 30.74 +18 29 40.3 o 198
2005-05-11 23:12:44 C 15 19 30.47 +18 29 41.2 o 198
2005-05-11 23:15:07 C 15 19 30.24 +18 29 41.9 o 198
2005-05-11 23:16:25 C 15 19 30.11 +18 29 42.3 o 198
2005-06-14 04:25:51 C 14 08 59.90 +17 48 13.2 r 448
2005-06-14 04:48:17 C 14 08 58.43 +17 48 05.0 r 448
2005-06-14 05:09:44 C 14 08 57.00 +17 47 56.7 r 448
2006-04-19 10:33:56 C 14 19 26.90 +29 26 51.4 r G96
2006-04-19 10:42:41 C 14 19 26.00 +29 26 53.2 r G96
2006-04-19 10:50:57 C 14 19 25.10 +29 26 55.6 r G96
2006-04-19 10:59:17 C 14 19 24.27 +29 26 57.5 r G96
2007-05-10 03:10:28 C 07 04 28.87 +42 48 03.0 r 448
2007-05-10 03:39:30 C 07 04 39.24 +42 48 04.6 r 448
2007-05-11 03:08:25 C 07 12 58.49 +42 48 43.4 r 448
2007-05-11 03:23:34 C 07 13 03.80 +42 48 42.8 r 448
2007-05-11 03:44:24 C 07 13 11.12 +42 48 41.8 r 448
2008-05-05 08:59:07 C 16 48 14.04 +13 49 50.9 r 703
2008-05-05 09:10:16 C 16 48 13.10 +13 50 00.7 r 703
2008-05-05 09:21:29 C 16 48 12.09 +13 50 10.1 r 703
2008-05-05 09:32:40 C 16 48 11.12 +13 50 17.8 r 703
2008-05-10 21:05:18 C 16 35 58.43 +15 38 27.1 r A13
2008-05-10 21:39:07 C 16 35 54.91 +15 38 54.6 r A13
2008-05-10 22:06:23 C 16 35 52.04 +15 39 16.5 r A13
2008-05-14 08:52:05 C 16 26 47.22 +16 45 44.2 r 703
2008-05-14 09:03:04 C 16 26 45.96 +16 45 53.0 r 703
2008-05-14 09:14:03 C 16 26 44.62 +16 46 01.7 r 703
2008-05-14 09:25:01 C 16 26 43.36 +16 46 10.7 r 703
2008-05-27 06:06:57 C 15 43 46.52 +20 14 29.1 18.9 c 704
2008-05-27 06:21:24 C 15 43 44.20 +20 14 36.8 19.3 c 704
2008-05-27 06:36:09 C 15 43 41.75 +20 14 44.3 19.4 c 704
2008-05-27 06:50:53 C 15 43 39.31 +20 14 52.2 19.5 c 704
2008-05-27 07:05:27 C 15 43 37.01 +20 14 59.1 19.5 c 704
2008-06-08 07:40:22 C 14 54 28.47 +21 36 33.3 r 703
2008-06-08 07:50:50 C 14 54 26.53 +21 36 34.4 r 703
2008-06-08 08:01:16 C 14 54 24.73 +21 36 34.9 r 703
2008-06-08 08:11:45 C 14 54 22.89 +21 36 35.2 r 703