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
2025-05-17 10:14:33 C 16 47 00.316 +17 43 16.39 V G96
2025-05-17 10:33:04 C 16 46 57.914 +17 43 35.58 V 703
2025-05-17 10:43:03 C 16 46 56.608 +17 43 45.80 V 703
2025-05-17 12:14:28 C 16 46 45.516 +17 45 26.75 V T08
2025-05-17 12:19:06 C 16 46 44.983 +17 45 31.07 V T08
2025-05-17 12:27:49 C 16 46 43.831 +17 45 41.22 V T08
2025-05-17 12:42:25 C 16 46 41.978 +17 45 55.58 V T08
2025-05-17 12:56:50 C 16 46 40.094 +17 46 10.76 X F52
2025-05-17 13:10:54 C 16 46 38.289 +17 46 25.59 X F52
2025-05-17 13:24:54 C 16 46 36.489 +17 46 40.24 X F52
2025-05-19 01:14:08 C 16 41 58.946 +18 24 32.62 V R17
2025-05-19 01:34:41 C 16 41 56.119 +18 24 54.72 V R17
2025-05-19 01:55:12 C 16 41 53.304 +18 25 16.54 V R17
2025-05-19 02:15:45 C 16 41 50.479 +18 25 37.85 V R17
2025-05-19 10:33:13 C 16 40 43.644 +18 34 25.25 V T05
2025-05-19 10:35:49 C 16 40 43.214 +18 34 28.85 V T05
2025-05-19 10:40:23 C 16 40 42.586 +18 34 33.46 V T05
2025-05-19 10:48:17 C 16 40 41.510 +18 34 41.05 V T05
2025-05-19 13:01:32 C 16 40 22.866 +18 37 02.11 X F51
2025-05-19 13:18:44 C 16 40 20.458 +18 37 20.14 X F51
2025-05-19 13:35:49 C 16 40 18.071 +18 37 37.98 X F51
2025-05-20 10:28:31 C 16 37 23.830 +18 59 37.72 V 703
2025-05-20 10:31:46 C 16 37 23.351 +18 59 40.60 V 703
2025-05-20 10:35:01 C 16 37 22.890 +18 59 45.17 V 703
2025-05-20 10:38:16 C 16 37 22.400 +18 59 47.15 V 703
2025-05-20 11:21:04 C 16 37 16.697 +19 00 36.14 V T08
2025-05-20 11:31:05 C 16 37 15.269 +19 00 46.73 V T08
2025-05-20 11:36:20 C 16 37 14.506 +19 00 52.27 V T08
2025-05-20 12:20:06 C 16 37 08.155 +19 01 38.21 V T08
2025-05-21 10:23:44 C 16 33 56.232 +19 24 45.22 V 703
2025-05-21 10:27:00 C 16 33 55.710 +19 24 48.42 V 703
2025-05-21 10:30:16 C 16 33 55.249 +19 24 52.52 V 703
2025-05-21 10:33:32 C 16 33 54.749 +19 24 56.38 V 703
2025-05-21 12:34:15 C 16 33 37.013 +19 27 05.44 V T08
2025-05-21 12:45:25 C 16 33 35.266 +19 27 17.21 V T08
2025-05-21 12:46:05 C 16 33 35.198 +19 27 17.57 V T08
2025-05-21 13:37:11 C 16 33 27.480 +19 28 10.92 V T08
2025-05-21 14:18:51 C 16 33 21.192 +19 28 54.19 V T08
2025-05-21 19:56:25 C 16 32 32.020 +19 34 42.50 W S16
2025-05-21 20:03:52 C 16 32 30.881 +19 34 50.12 W S16
2025-05-21 20:13:25 C 16 32 29.459 +19 35 00.15 W S16
2025-05-21 20:20:52 C 16 32 28.338 +19 35 07.98 W S16
2025-05-22 01:11:15 C 16 31 44.117 +19 40 15.38 V R17
2025-05-22 01:31:46 C 16 31 40.939 +19 40 36.41 V R17
2025-05-22 01:52:19 C 16 31 37.766 +19 40 58.19 V R17
2025-05-22 02:12:50 C 16 31 34.598 +19 41 19.07 V R17
2025-05-22 11:02:38 C 16 30 13.733 +19 50 32.57 V T05
2025-05-22 11:07:14 C 16 30 13.046 +19 50 36.42 V T05
2025-05-22 11:16:25 C 16 30 11.630 +19 50 47.04 V T05
2025-05-22 11:31:25 C 16 30 09.209 +19 51 02.70 V T05