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
2001-06-10 06:44:39 C 15 04 40.11 +34 45 41.5 649
2001-06-11 05:11:54 C 14 55 04.98 +35 14 19.5 670
2001-06-11 06:18:38 C 14 54 35.43 +35 15 39.5 670
2001-06-11 13:48:30 C 14 51 17.72 +35 24 30.4 340
2001-06-11 13:51:29 C 14 51 16.48 +35 24 31.8 340
2001-06-11 13:55:30 C 14 51 14.63 +35 24 37.0 340
2001-06-12 21:54:22 C 14 36 49.27 +35 58 16.0 118
2001-06-12 21:58:52 C 14 36 47.15 +35 58 20.2 118
2001-06-12 22:00:52 C 14 36 46.23 +35 58 21.7 118
2001-06-13 21:29:06 C 14 25 48.57 +36 18 40.7 118
2001-06-13 21:31:07 C 14 25 47.55 +36 18 42.2 118
2001-06-13 21:37:47 C 14 25 44.39 +36 18 47.5 118
2001-06-15 20:35:18 C 14 03 00.95 +36 46 51.5 118
2001-06-15 20:37:01 C 14 03 00.13 +36 46 52.0 118
2001-06-15 20:38:31 C 14 02 59.33 +36 46 52.4 118
2001-06-18 20:42:50 C 13 26 49.07 +36 54 16.9 c 493
2001-06-18 20:44:11 C 13 26 48.38 +36 54 16.6 c 493
2001-06-18 20:45:40 C 13 26 47.60 +36 54 16.3 c 493
2001-06-18 21:56:30 C 13 26 10.99 +36 53 54.0 587
2001-06-18 22:00:50 C 13 26 08.79 +36 53 52.8 587
2001-06-18 22:04:24 C 13 26 06.94 +36 53 52.4 587
2001-06-19 05:06:47 C 13 22 33.11 +36 52 12.2 c 699
2001-06-19 05:42:51 C 13 22 14.54 +36 52 00.6 c 699
2001-06-19 06:19:09 C 13 21 55.98 +36 51 48.1 c 699
2001-06-19 06:55:26 C 13 21 37.40 +36 51 35.9 c 699
2001-06-20 05:33:51 C 13 10 09.81 +36 42 42.6 670
2001-06-20 07:03:50 C 13 09 23.77 +36 41 54.1 670
2001-06-22 21:18:53 C 12 38 17.99 +35 54 37.5 118
2001-06-22 21:23:55 C 12 38 15.50 +35 54 31.6 118
2001-06-22 21:29:25 C 12 38 12.75 +35 54 26.0 118
2002-01-21 12:48:38 C 15 41 55.04 +02 26 41.8 d 291
2002-01-21 12:58:04 C 15 41 55.41 +02 26 43.5 d 291
2002-01-21 13:07:01 C 15 41 55.76 +02 26 45.4 d 291
2002-04-06 09:04:28 C 15 42 24.17 +16 11 16.8 c 696
2002-04-06 09:10:02 C 15 42 23.81 +16 11 19.9 c 696
2002-05-07 09:25:31 C 14 43 57.73 +21 49 34.8 c 696
2002-05-07 09:30:10 C 14 43 57.24 +21 49 35.6 c 696
2003-03-13 09:56:27 C 15 45 31.41 +39 17 09.2 c 699
2003-03-13 10:18:03 C 15 45 27.28 +39 17 42.0 c 699
2003-03-13 10:39:49 C 15 45 23.19 +39 18 15.4 c 699
2003-03-13 11:01:23 C 15 45 19.02 +39 18 48.0 c 699
2003-03-19 01:06:17 C 15 18 50.98 +42 20 49.1 941
2003-03-19 01:16:41 C 15 18 48.83 +42 21 01.7 941
2003-03-19 01:28:01 C 15 18 46.59 +42 21 15.6 941
2003-03-24 00:19:05 C 14 53 44.42 +44 18 43.9 c 240
2003-03-24 00:20:00 C 14 53 44.22 +44 18 44.6 c 240
2003-03-24 00:22:45 C 14 53 43.61 +44 18 46.5 c 240
2003-03-24 00:27:21 C 14 53 42.60 +44 18 50.0 c 240
2003-03-24 00:29:12 C 14 53 42.20 +44 18 51.4 c 240
2003-04-24 08:22:33 C 12 45 44.18 +42 37 51.3 c 926