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
2020-02-26 14:09:24 C 16 09 36.00 +23 11 13.6 V T08
2020-02-26 14:13:28 C 16 09 35.68 +23 11 19.2 V T08
2020-02-26 14:22:04 C 16 09 35.05 +23 11 32.6 V T08
2020-02-26 14:38:37 C 16 09 33.75 +23 11 59.2 V T08
2020-03-05 10:50:47 C 15 53 36.23 +27 56 40.8 V 703
2020-03-05 10:58:27 C 15 53 35.48 +27 56 52.7 V 703
2020-03-05 11:06:06 C 15 53 34.71 +27 57 03.3 V 703
2020-03-05 11:13:46 C 15 53 33.93 +27 57 15.0 V 703
2020-03-05 11:25:23 C 15 53 32.67 +27 57 31.1 V 703
2020-03-05 11:33:04 C 15 53 31.90 +27 57 42.3 V 703
2020-03-05 11:40:44 C 15 53 31.23 +27 57 54.5 V 703
2020-03-05 11:48:26 C 15 53 30.52 +27 58 07.8 V 703
2020-03-05 14:21:34 C 15 53 15.54 +28 01 54.3 V T08
2020-03-05 14:29:58 C 15 53 14.66 +28 02 07.0 V T08
2020-03-05 14:34:02 C 15 53 14.21 +28 02 13.9 V T08
2020-03-05 14:48:54 C 15 53 12.72 +28 02 33.7 V T08
2020-03-24 10:05:35 C 14 55 04.87 +37 19 56.2 V 703
2020-03-24 10:13:08 C 14 55 03.68 +37 20 03.4 V 703
2020-03-24 10:20:44 C 14 55 02.54 +37 20 09.7 V 703
2020-03-24 10:28:23 C 14 55 01.30 +37 20 15.8 V 703
2020-04-02 12:30:54 C 14 20 25.743 +39 42 25.27 U F52
2020-04-02 12:48:01 C 14 20 22.949 +39 42 32.31 U F52
2020-04-02 13:05:04 C 14 20 20.174 +39 42 39.27 U F52
2020-04-02 13:22:13 C 14 20 17.383 +39 42 46.22 U F52
2020-04-03 07:38:02 C 14 17 23.27 +39 49 57.2 V 703
2020-04-03 07:45:46 C 14 17 22.13 +39 50 01.0 V 703
2020-04-03 07:53:31 C 14 17 20.81 +39 50 02.8 V 703
2020-04-03 08:01:17 C 14 17 19.64 +39 50 06.5 V 703
2020-04-04 09:11:26 C 14 13 20.11 +39 58 51.8 V G96
2020-04-04 09:22:41 C 14 13 18.28 +39 58 55.4 V G96
2020-04-04 09:31:44 C 14 13 16.85 +39 58 58.5 V G96
2020-04-04 09:39:26 C 14 13 15.60 +39 59 00.8 V G96
2020-04-08 11:19:25 C 13 58 06.985 +40 20 30.00 U F52
2020-04-08 11:55:33 C 13 58 01.409 +40 20 34.41 U F52
2020-04-08 12:13:33 C 13 57 58.611 +40 20 36.40 U F52
2020-04-12 11:32:11 C 13 43 57.454 +40 23 31.67 U F51
2020-04-12 11:50:08 C 13 43 54.839 +40 23 30.64 U F51
2020-04-12 12:09:10 C 13 43 52.073 +40 23 29.32 U F51
2020-04-12 12:25:06 C 13 43 49.757 +40 23 28.31 U F51
2020-04-13 07:57:32 C 13 41 04.70 +40 22 01.0 V G96
2020-04-13 08:05:02 C 13 41 03.65 +40 22 00.3 V G96
2020-04-13 08:12:31 C 13 41 02.58 +40 21 59.5 V G96
2020-04-13 08:20:00 C 13 41 01.50 +40 21 58.7 V G96
2020-04-18 07:28:52 C 13 25 15.06 +40 00 04.7 V 703
2020-04-18 07:36:29 C 13 25 14.20 +40 00 02.2 V 703
2020-04-18 07:44:06 C 13 25 13.46 +39 59 58.5 V 703
2020-04-18 07:51:43 C 13 25 12.57 +39 59 57.6 V 703
2020-04-28 07:32:38 C 12 59 31.944 +38 22 06.99 U F52
2020-04-28 07:49:48 C 12 59 30.354 +38 21 58.05 U F52
2020-04-28 08:06:57 C 12 59 28.779 +38 21 49.20 U F52