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
2025-05-28 09:15:42 C 16 05 45.928 +22 11 58.09 V 703
2025-05-28 09:19:03 C 16 05 45.380 +22 12 01.73 V 703
2025-05-28 09:47:44 C 16 05 40.450 +22 12 32.72 V T08
2025-05-28 17:46:43 C 16 04 08.30 +22 19 52.5 V D29
2025-05-28 18:07:05 C 16 04 04.33 +22 20 11.0 V D29
2025-05-28 18:27:27 C 16 04 00.34 +22 20 29.6 V D29
2025-05-29 11:31:14 C 16 00 41.310 +22 36 06.21 X F52
2025-05-29 11:49:53 C 16 00 37.563 +22 36 22.85 X F52
2025-05-29 12:08:25 C 16 00 33.843 +22 36 39.27 X F52
2025-05-29 12:26:58 C 16 00 30.127 +22 36 55.66 X F52
2025-05-30 06:54:46 C 15 56 50.720 +22 53 17.63 X F52
2025-05-30 07:10:18 C 15 56 47.522 +22 53 31.51 X F52
2025-05-30 07:25:51 C 15 56 44.336 +22 53 45.31 X F52
2025-05-30 08:26:53 C 15 56 31.099 +22 54 35.71 V 703
2025-05-30 08:30:11 C 15 56 30.368 +22 54 39.53 V 703
2025-05-30 08:33:27 C 15 56 29.630 +22 54 41.44 V 703
2025-05-30 08:36:45 C 15 56 29.022 +22 54 45.40 V 703
2025-05-30 08:47:07 C 15 56 27.648 +22 54 57.24 V T05
2025-05-30 08:49:43 C 15 56 27.043 +22 54 59.51 V T05
2025-05-30 08:55:10 C 15 56 25.997 +22 55 04.66 V T05
2025-05-30 09:17:29 C 15 56 21.331 +22 55 23.63 V T05
2025-05-30 23:42:41 B 15 53 24.61 +23 07 41.4 V 130
2025-05-30 23:51:25 B 15 53 22.77 +23 07 48.7 V 130
2025-05-31 00:00:27 B 15 53 20.88 +23 07 56.4 V 130
2025-05-31 09:50:25 C 15 51 19.097 +23 16 20.06 V T05
2025-05-31 09:56:02 C 15 51 17.904 +23 16 24.89 V T05
2025-05-31 10:23:36 C 15 51 12.024 +23 16 47.46 V T05
2025-05-31 10:32:57 C 15 51 10.010 +23 16 54.95 V T05
2025-06-01 07:01:40 C 15 46 52.096 +23 33 37.00 X F52
2025-06-01 07:08:01 C 15 46 50.719 +23 33 42.22 X F51
2025-06-01 07:09:17 C 15 46 49.645 +23 33 40.97 V G96
2025-06-01 07:13:34 C 15 46 49.515 +23 33 46.72 X F52
2025-06-01 07:19:14 C 15 46 48.287 +23 33 51.34 X F51
2025-06-01 07:24:13 C 15 46 46.427 +23 33 52.96 V G96
2025-06-01 07:30:27 C 15 46 45.856 +23 34 00.42 X F51
2025-06-01 07:31:40 C 15 46 44.803 +23 33 59.00 V G96
2025-06-01 17:47:15 B 15 44 33.547 +23 42 07.13 W M73
2025-06-01 17:55:07 B 15 44 31.812 +23 42 13.39 W M73
2025-06-01 18:02:44 B 15 44 30.132 +23 42 19.37 W M73
2025-06-01 18:09:50 B 15 44 28.596 +23 42 24.88 W M73
2025-06-03 07:26:48 C 15 36 17.105 +24 10 14.11 X F52
2025-06-03 07:39:34 C 15 36 14.192 +24 10 23.36 X F52
2025-06-03 09:28:36 C 15 35 49.253 +24 11 41.24 V T05
2025-06-03 09:33:11 C 15 35 48.233 +24 11 44.59 V T05
2025-06-03 09:41:01 C 15 35 46.370 +24 11 49.99 V T05
2025-06-03 10:27:19 C 15 35 35.794 +24 12 22.39 V T05
2025-06-03 16:33:35 B 15 34 14.318 +24 16 35.87 W M73
2025-06-03 16:55:45 B 15 34 09.281 +24 16 51.85 W M73
2025-06-05 06:41:19 C 15 25 27.962 +24 41 27.42 V 703
2025-06-05 06:44:17 C 15 25 27.368 +24 41 30.16 V 703