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
2018-05-30 22:53:30 C 18 03 51.10 +38 01 39.1 q 089
2018-05-30 22:56:51 C 18 03 50.58 +38 01 57.4 q 089
2018-05-30 23:00:13 C 18 03 50.03 +38 02 16.1 q 089
2018-05-30 23:03:35 C 18 03 49.54 +38 02 34.7 q 089
2018-05-30 23:06:57 C 18 03 48.98 +38 02 53.0 q 089
2018-05-30 23:10:19 C 18 03 48.46 +38 03 11.4 q 089
2018-05-30 23:17:03 C 18 03 47.38 +38 03 48.6 q 089
2018-05-30 23:20:26 C 18 03 46.87 +38 04 07.7 q 089
2018-05-30 23:23:48 C 18 03 46.33 +38 04 26.5 q 089
2018-06-01 11:35:58 C 17 57 37.94 +41 37 12.8 U T08
2018-06-01 11:48:07 C 17 57 35.46 +41 38 28.3 U T08
2018-06-01 12:20:06 C 17 57 28.96 +41 41 47.5 U T08
2018-06-01 12:25:29 C 17 57 27.81 +41 42 21.2 U T08
2018-06-01 21:55:21 C 17 55 34.84 +42 42 19.3 q 089
2018-06-01 21:58:43 C 17 55 34.11 +42 42 40.9 q 089
2018-06-01 22:02:04 C 17 55 33.42 +42 43 02.3 q 089
2018-06-01 22:05:26 C 17 55 32.68 +42 43 24.1 q 089
2018-06-01 22:08:47 C 17 55 31.94 +42 43 45.8 q 089
2018-06-01 22:12:09 C 17 55 31.25 +42 44 07.7 q 089
2018-06-01 22:14:09 n 17 55 31.80 +42 44 15.3 V Z43
2018-06-01 22:15:31 C 17 55 30.49 +42 44 29.7 q 089
2018-06-01 22:18:08 n 17 55 30.99 +42 44 40.7 V Z43
2018-06-01 22:18:52 C 17 55 29.74 +42 44 51.0 q 089
2018-06-02 09:29:05 C 17 53 03.25 +43 58 20.5 U 703
2018-06-02 09:44:40 C 17 52 59.54 +44 00 04.5 U 703
2018-06-02 09:52:27 C 17 52 57.68 +44 00 56.3 U 703
2018-06-02 22:04:43 C 17 50 04.66 +45 24 07.8 q 089
2018-06-02 22:08:04 C 17 50 03.81 +45 24 31.2 q 089
2018-06-02 22:14:46 C 17 50 02.05 +45 25 17.9 q 089
2018-06-02 22:18:07 C 17 50 01.19 +45 25 41.4 q 089
2018-06-02 22:21:28 C 17 50 00.32 +45 26 04.5 q 089
2018-06-02 22:24:49 C 17 49 59.45 +45 26 28.1 q 089
2018-06-02 22:28:10 C 17 49 58.58 +45 26 51.4 q 089
2018-06-02 22:31:31 C 17 49 57.73 +45 27 14.7 q 089
2018-06-02 22:34:52 C 17 49 56.80 +45 27 37.9 q 089
2018-06-04 08:42:04 C 17 40 02.11 +49 38 42.4 U G96
2018-06-04 08:49:45 C 17 39 59.42 +49 39 41.8 U G96
2018-06-04 08:57:23 C 17 39 56.74 +49 40 40.9 U G96
2018-06-04 09:05:02 C 17 39 54.06 +49 41 39.9 U G96
2018-06-05 11:13:02 C 17 29 57.52 +53 11 51.8 U T08
2018-06-05 11:34:10 C 17 29 48.03 +53 14 47.7 U T08
2018-06-05 11:44:13 C 17 29 43.51 +53 16 10.8 U T08
2018-06-06 01:39:38 C 17 23 19.29 +55 13 48.0 U W34
2018-06-06 01:48:06 C 17 23 15.02 +55 15 02.1 U W34
2018-06-06 01:58:07 C 17 23 09.96 +55 16 29.4 U W34
2018-06-08 07:58:47 C 16 45 37.60 +63 23 56.8 U 703
2018-06-08 08:05:56 C 16 45 30.62 +63 25 02.6 U 703
2018-06-08 08:13:05 C 16 45 23.66 +63 26 08.3 U 703
2018-06-08 08:20:12 C 16 45 16.69 +63 27 13.8 U 703
2018-06-08 11:11:08 S 16 42 33.595 +63 52 51.96 L C51