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
2018-05-18 00:25:55 C 18 24 40.60 +19 32 09.9 q 160
2018-05-19 13:27:32 C 18 23 43.22 +21 00 45.4 U T08
2018-05-19 13:44:14 C 18 23 42.63 +21 01 27.0 U T08
2018-05-19 13:45:18 C 18 23 42.61 +21 01 30.1 U T08
2018-05-19 13:57:00 C 18 23 42.20 +21 01 59.2 U T08
2018-05-19 13:58:50 C 18 23 42.16 +21 02 03.4 U T08
2018-05-19 14:13:25 C 18 23 41.63 +21 02 39.7 U T08
2018-05-19 14:16:00 C 18 23 41.60 +21 02 47.3 U T08
2018-05-19 14:36:23 C 18 23 40.84 +21 03 37.2 U T08
2018-05-19 23:36:05 C 18 23 25.70 +21 26 15.6 q 157
2018-05-19 23:41:09 C 18 23 25.55 +21 26 28.8 q 157
2018-05-19 23:46:14 C 18 23 25.37 +21 26 41.8 q 157
2018-05-19 23:51:20 C 18 23 25.20 +21 26 55.0 q 157
2018-05-22 00:16:56 C 18 21 40.40 +23 38 49.4 d Z35
2018-05-23 08:34:30 C 18 20 11.30 +25 16 40.3 U G96
2018-05-23 08:43:35 C 18 20 10.77 +25 17 09.1 U G96
2018-05-23 08:52:41 C 18 20 10.26 +25 17 37.9 U G96
2018-05-23 09:01:46 C 18 20 09.75 +25 18 06.6 U G96
2018-05-23 10:53:06 C 18 20 03.44 +25 24 00.2 o 691
2018-05-23 10:58:20 C 18 20 03.15 +25 24 16.7 o 691
2018-05-23 11:03:33 C 18 20 02.85 +25 24 33.2 o 691
2018-05-23 13:52:26 C 18 19 54.16 +25 33 37.5 U T08
2018-05-23 14:14:03 C 18 19 52.89 +25 34 47.1 U T08
2018-05-23 14:27:23 C 18 19 52.13 +25 35 29.5 U T08
2018-05-24 08:31:46 C 18 18 53.81 +26 34 59.6 U G96
2018-05-24 08:39:14 C 18 18 53.40 +26 35 25.1 U G96
2018-05-24 08:46:43 C 18 18 52.85 +26 35 50.2 U G96
2018-05-24 08:54:12 C 18 18 52.38 +26 36 15.6 U G96
2018-05-25 14:03:25 C 18 17 01.44 +28 19 15.3 U T05
2018-05-25 14:30:37 C 18 16 59.39 +28 20 55.1 U T05
2018-05-25 14:37:20 C 18 16 58.88 +28 21 19.6 U T05
2018-05-25 23:42:21 C 18 16 22.06 +28 55 08.2 q 160
2018-05-25 23:47:07 C 18 16 21.69 +28 55 26.0 q 160
2018-05-25 23:49:13 C 18 16 21.53 +28 55 34.2 q 160
2018-05-27 13:14:54 C 18 13 19.57 +31 25 56.6 U T08
2018-05-27 13:39:40 C 18 13 17.21 +31 27 41.8 U T08
2018-05-27 13:44:06 C 18 13 16.71 +31 28 00.6 U T08
2018-05-27 14:06:32 C 18 13 14.53 +31 29 35.8 U T08
2018-05-27 22:16:46 C 18 12 31.23 +32 04 33.4 V J69
2018-05-27 22:22:05 C 18 12 30.73 +32 04 57.3 V J69
2018-05-27 22:27:25 C 18 12 30.20 +32 05 20.7 V J69
2018-05-27 22:32:45 C 18 12 29.75 +32 05 44.4 V J69
2018-05-29 23:18:14 C 18 07 06.28 +35 56 22.9 q 089
2018-05-29 23:21:36 C 18 07 05.82 +35 56 39.9 q 089
2018-05-29 23:28:20 C 18 07 04.93 +35 57 14.2 q 089
2018-05-29 23:31:43 C 18 07 04.44 +35 57 31.2 q 089
2018-05-29 23:35:06 C 18 07 03.99 +35 57 48.7 q 089
2018-05-29 23:38:28 C 18 07 03.56 +35 58 05.5 q 089
2018-05-29 23:41:50 C 18 07 03.05 +35 58 23.8 q 089
2018-05-29 23:45:12 C 18 07 02.65 +35 58 40.2 q 089