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
2018-06-09 21:34:52 C 15 58 38.60 +69 03 06.3 q 157
2018-06-09 21:35:55 C 15 58 36.90 +69 03 15.1 q 157
2018-06-09 21:36:59 C 15 58 35.12 +69 03 24.1 q 157
2018-06-09 21:38:01 C 15 58 33.37 +69 03 33.3 q 157
2018-06-09 21:39:04 C 15 58 31.69 +69 03 42.4 q 157
2018-06-09 21:40:07 C 15 58 29.96 +69 03 51.3 q 157
2018-06-11 09:39:14 C 14 41 49.08 +73 28 40.2 U T05
2018-06-11 10:02:06 C 14 40 46.53 +73 30 47.6 U T05
2018-06-11 10:29:38 C 14 39 30.86 +73 33 18.3 U T05
2019-04-06 14:09:36 C 15 50 18.780 +14 54 50.01 U F51
2019-04-06 14:26:57 C 15 50 17.811 +14 55 00.84 U F51
2019-04-06 14:44:19 C 15 50 16.850 +14 55 11.83 U F51
2019-04-06 15:01:49 C 15 50 15.890 +14 55 22.72 U F51
2019-04-14 06:41:47 C 15 39 07.94 +16 47 45.6 V G96
2019-04-14 06:55:22 C 15 39 06.99 +16 47 54.3 V G96
2019-04-14 07:02:09 C 15 39 06.56 +16 47 58.6 V G96
2019-04-27 09:11:28 C 15 14 59.13 +19 30 24.3 V G96
2019-04-27 09:18:53 C 15 14 58.53 +19 30 27.0 V G96
2019-04-27 09:26:17 C 15 14 57.84 +19 30 30.5 V G96
2019-04-27 09:33:40 C 15 14 57.25 +19 30 33.7 V G96
2019-05-08 07:50:56 C 14 51 56.91 +20 55 23.0 V G96
2019-05-08 07:58:21 C 14 51 56.21 +20 55 24.3 V G96
2019-05-08 08:05:44 C 14 51 55.57 +20 55 25.9 V G96
2019-05-08 08:13:08 C 14 51 54.90 +20 55 27.2 V G96
2019-05-30 06:22:34 C 14 09 16.03 +20 49 07.6 V G96
2019-05-30 06:30:44 C 14 09 15.52 +20 49 06.6 V G96
2019-05-30 06:38:54 C 14 09 14.89 +20 49 04.7 V G96
2019-05-30 06:47:04 C 14 09 14.36 +20 49 02.5 V G96
2019-06-05 09:32:49 C 14 00 02.792 +20 10 25.19 U F51
2019-06-05 10:05:16 C 14 00 00.886 +20 10 15.08 U F51
2019-06-05 10:21:38 C 13 59 59.928 +20 10 09.87 U F51
2019-06-30 06:36:42 C 13 38 29.023 +15 57 19.23 U F52
2019-06-30 06:54:44 C 13 38 28.679 +15 57 09.74 U F52
2019-06-30 07:12:42 C 13 38 28.403 +15 57 00.49 U F52
2019-06-30 07:30:44 C 13 38 28.075 +15 56 51.41 U F52
2020-02-02 05:19:16 C 16 35 59.55 +08 30 24.0 V C95
2020-02-02 05:40:56 C 16 35 58.78 +08 30 57.0 V C95
2020-02-18 11:58:26 C 16 21 27.28 +18 14 03.6 V 703
2020-02-18 12:13:34 C 16 21 26.32 +18 14 25.0 V 703
2020-02-18 12:21:09 C 16 21 25.79 +18 14 35.7 V 703
2020-02-19 03:29:07 S 16 20 38.49 +18 37 41.4 L C51
2020-02-19 06:38:11 S 16 20 28.51 +18 42 29.3 L C51
2020-02-19 08:12:26 S 16 20 23.62 +18 44 53.4 L C51
2020-02-19 11:20:45 S 16 20 13.61 +18 49 39.8 L C51
2020-02-19 12:54:49 S 16 20 08.61 +18 52 02.5 L C51
2020-02-19 12:55:00 S 16 20 08.63 +18 52 03.2 L C51
2020-02-19 14:29:04 S 16 20 03.68 +18 54 27.5 L C51
2020-02-19 17:37:23 S 16 19 53.55 +18 59 13.2 L C51
2020-02-19 20:45:42 S 16 19 43.40 +19 04 01.1 L C51
2020-02-19 20:45:53 S 16 19 43.38 +19 04 01.5 L C51