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
2001-05-18 09:28:05 C 17 18 57.77 +19 04 04.0 c 699
2001-05-18 09:46:12 C 17 18 55.65 +19 04 32.3 c 699
2001-05-18 10:04:20 C 17 18 53.54 +19 04 59.6 c 699
2001-05-18 10:22:31 C 17 18 51.34 +19 05 27.0 c 699
2001-05-19 00:06:42 C 17 17 16.16 +19 26 31.2 151
2001-05-19 00:08:41 C 17 17 15.83 +19 26 34.5 151
2001-05-19 00:20:45 C 17 17 14.61 +19 26 51.8 151
2001-05-19 00:23:43 C 17 17 14.14 +19 26 57.7 151
2001-05-19 00:27:21 C 17 17 13.74 +19 27 03.1 151
2001-05-19 05:11:15 C 17 16 40.33 +19 34 25.1 649
2001-05-19 05:21:59 C 17 16 39.06 +19 34 41.6 649
2001-05-19 05:30:50 C 17 16 37.96 +19 34 55.5 649
2001-05-19 05:37:09 C 17 16 37.17 +19 35 05.7 649
2001-05-19 14:20:43 C 17 15 33.61 +19 48 44.4 402
2001-05-19 14:26:31 C 17 15 32.87 +19 48 52.8 402
2001-05-19 21:32:10 C 17 14 40.27 +19 59 59.8 587
2001-05-19 21:36:50 C 17 14 39.68 +20 00 06.8 587
2001-05-19 21:43:50 C 17 14 38.77 +20 00 17.5 587
2001-05-21 23:44:28 C 17 07 56.14 +21 21 04.7 046
2001-05-21 23:47:43 C 17 07 55.68 +21 21 10.2 046
2001-05-21 23:49:25 C 17 07 55.42 +21 21 13.5 046
2001-05-21 23:51:30 C 17 07 55.18 +21 21 16.3 046
2001-05-22 06:56:47 C 17 06 53.76 +21 33 03.1 649
2001-05-22 07:11:20 C 17 06 51.57 +21 33 27.2 649
2001-05-22 07:22:33 C 17 06 49.89 +21 33 45.8 649
2001-05-22 10:45:25 C 17 06 19.69 +21 39 23.8 18.1 c 644
2001-05-22 11:01:12 C 17 06 17.30 +21 39 49.8 18.1 c 644
2001-05-22 11:17:30 C 17 06 14.85 +21 40 16.8 18.1 c 644
2001-05-24 06:52:54 C 16 59 27.21 +22 54 09.1 658
2001-05-24 06:56:51 C 16 59 26.53 +22 54 15.9 658
2001-05-24 07:00:21 C 16 59 25.88 +22 54 22.4 658
2001-05-24 07:18:17 C 16 59 22.87 +22 54 56.1 17.8 c 644
2001-05-24 07:33:52 C 16 59 20.23 +22 55 23.2 17.9 c 644
2001-05-24 07:49:52 C 16 59 17.51 +22 55 51.1 17.7 c 644
2001-05-25 00:57:18 C 16 56 23.01 +23 25 31.8 113
2001-05-25 01:00:01 C 16 56 22.48 +23 25 36.7 113
2001-05-25 01:02:42 C 16 56 22.07 +23 25 41.1 113
2001-05-25 06:07:25 C 16 55 29.77 +23 34 36.7 15.9 682
2001-05-25 07:09:52 C 16 55 18.50 +23 36 27.6 17.9 682
2001-05-25 07:41:07 C 16 55 12.72 +23 37 24.0 16.9 682
2001-05-25 08:08:52 C 16 55 07.96 +23 38 08.0 658
2001-05-25 08:12:09 C 16 55 07.38 +23 38 13.7 658
2001-05-25 08:19:34 C 16 55 06.04 +23 38 26.9 658
2001-05-25 15:50:35 C 16 53 45.47 +23 51 44.3 402
2001-05-25 15:52:24 C 16 53 45.15 +23 51 47.5 402
2001-05-25 15:54:12 C 16 53 44.78 +23 51 50.7 402
2001-05-25 16:32:45 C 16 53 37.75 +23 52 59.6 360
2001-05-25 16:34:57 C 16 53 37.32 +23 53 03.2 360
2001-05-25 16:37:43 C 16 53 36.83 +23 53 07.9 360
2001-05-25 21:58:44 C 16 52 39.14 +24 02 30.4 113