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
2013-04-06 09:31:02 C 14 32 17.01 +32 26 06.6 u 703
2013-04-06 09:36:00 C 14 32 16.51 +32 26 10.4 u 703
2013-04-06 09:40:57 C 14 32 15.79 +32 26 13.4 u 703
2013-04-11 13:19:34 C 14 17 24.816 +33 19 12.47 L F51
2013-04-11 13:34:33 C 14 17 23.000 +33 19 17.37 L F51
2013-04-15 06:31:40 C 14 06 48.85 +33 43 22.5 u 703
2013-04-15 06:42:16 C 14 06 47.48 +33 43 24.7 u 703
2013-04-15 06:52:55 C 14 06 46.26 +33 43 27.8 u 703
2013-04-15 07:03:38 C 14 06 44.82 +33 43 27.2 u 703
2013-04-17 08:32:28 C 14 00 59.01 +33 51 50.8 N I41
2013-04-17 09:44:20 C 14 00 50.59 +33 51 59.9 N I41
2013-04-17 10:17:43 C 14 00 46.65 +33 52 04.2 N I41
2013-04-17 10:50:51 C 14 00 42.77 +33 52 08.2 N I41
2013-04-18 09:01:00 C 13 58 10.54 +33 54 42.9 N I41
2013-04-18 09:42:39 C 13 58 05.72 +33 54 46.7 N I41
2013-04-19 07:55:47 C 13 55 34.85 +33 56 38.6 N I41
2013-04-19 08:29:10 C 13 55 31.03 +33 56 41.0 N I41
2013-04-19 09:06:44 C 13 55 26.71 +33 56 43.4 N I41
2013-04-20 11:46:47 C 13 52 27.905 +33 58 03.54 L F51
2013-04-20 12:17:47 C 13 52 24.391 +33 58 04.08 L F51
2013-04-20 12:31:37 C 13 52 22.839 +33 58 04.51 L F51
2013-04-22 07:03:49 C 13 47 44.19 +33 58 10.6 N I41
2013-04-22 07:35:54 C 13 47 40.60 +33 58 09.8 N I41
2013-04-22 08:22:46 C 13 47 35.51 +33 58 08.9 N I41
2015-04-21 08:47:48 C 16 38 32.97 +11 17 19.5 u H21
2015-04-21 08:53:48 C 16 38 32.62 +11 17 23.2 u H21
2015-04-21 09:00:04 C 16 38 32.25 +11 17 27.1 u H21
2015-05-19 08:50:03 C 15 38 54.21 +18 03 20.3 q 703
2015-05-19 09:00:57 C 15 38 52.89 +18 03 24.4 q 703
2015-05-19 09:11:53 C 15 38 51.62 +18 03 28.9 q 703
2015-05-19 09:22:49 C 15 38 50.23 +18 03 33.2 q 703
2015-05-25 09:10:03 C 15 21 22.29 +18 49 56.2 q 703
2015-05-25 09:19:28 C 15 21 21.10 +18 49 59.0 q 703
2015-05-25 09:28:53 C 15 21 19.97 +18 50 01.1 q 703
2015-05-25 09:38:18 C 15 21 18.75 +18 50 03.3 q 703
2015-05-26 10:53:11 C 15 18 11.171 +18 55 47.39 L F51
2015-05-26 11:12:07 C 15 18 08.775 +18 55 51.31 L F51
2015-05-26 11:48:25 C 15 18 04.186 +18 55 58.74 L F52
2015-05-26 11:50:08 C 15 18 03.972 +18 55 59.10 L F51
2015-05-26 12:10:28 C 15 18 01.406 +18 56 03.26 L F52
2015-05-26 12:32:30 C 15 17 58.630 +18 56 07.65 L F52
2017-04-22 04:17:05 C 09 05 01.85 +57 17 28.3 q G96
2017-04-22 04:21:56 C 09 05 03.10 +57 17 19.0 q G96
2017-04-22 04:26:46 C 09 05 04.30 +57 17 09.8 q G96
2017-04-22 04:31:37 C 09 05 05.62 +57 17 00.3 q G96
2017-05-08 07:51:26 C 10 11 21.295 +46 27 44.01 L F51
2017-05-08 08:12:47 C 10 11 23.705 +46 27 12.96 L F51
2017-05-08 08:34:07 C 10 11 26.125 +46 26 41.88 L F51
2018-05-18 00:18:34 C 18 24 40.78 +19 31 53.6 q 160
2018-05-18 00:22:14 C 18 24 40.71 +19 32 01.0 q 160