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
2025-06-23 17:08:19 B 13 33 22.716 +24 53 12.37 W M73
2025-06-23 17:17:07 B 13 33 20.556 +24 53 07.44 W M73
2025-06-23 17:26:57 B 13 33 18.098 +24 53 00.78 W M73
2025-06-24 06:17:07 C 13 30 05.663 +24 45 33.01 V 703
2025-06-24 06:20:20 C 13 30 04.752 +24 45 31.54 V 703
2025-06-24 06:26:47 C 13 30 03.107 +24 45 26.68 V 703
2025-06-25 16:46:47 B 13 21 35.501 +24 24 00.32 W M73
2025-06-25 16:57:44 B 13 21 32.666 +24 23 55.86 W M73
2025-06-26 05:58:46 C 13 18 21.704 +24 15 01.19 V 703
2025-06-26 06:02:00 C 13 18 20.938 +24 15 01.19 V 703
2025-06-26 06:05:14 C 13 18 20.088 +24 14 58.81 V 703
2025-06-26 06:08:29 C 13 18 19.300 +24 14 56.33 V 703
2025-06-28 05:59:46 C 13 06 49.327 +23 39 52.34 V 703
2025-06-28 06:06:18 C 13 06 47.833 +23 39 46.55 V 703
2025-06-28 06:09:34 C 13 06 47.149 +23 39 43.02 V 703
2025-06-28 17:02:13 B 13 04 12.979 +23 31 18.91 W M73
2025-06-28 17:21:27 B 13 04 08.323 +23 31 03.68 W M73
2025-07-02 07:04:16 C 12 44 22.337 +22 17 45.02 V T05
2025-07-02 07:18:00 C 12 44 19.212 +22 17 31.27 V T05
2025-07-02 07:33:44 C 12 44 15.598 +22 17 18.13 V T05
2025-07-02 07:51:54 C 12 44 11.453 +22 17 01.21 V T05