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
2001-05-25 22:00:00 C 16 52 39.00 +24 02 34.7 587
2001-05-25 22:00:26 C 16 52 38.82 +24 02 33.6 113
2001-05-25 22:02:09 C 16 52 38.47 +24 02 37.0 113
2001-05-25 22:03:50 C 16 52 38.21 +24 02 39.7 113
2001-05-25 22:05:32 C 16 52 37.87 +24 02 42.4 113
2001-05-25 23:49:35 C 16 52 18.40 +24 05 48.1 118
2001-05-25 23:53:40 C 16 52 17.61 +24 05 55.4 118
2001-05-25 23:57:44 C 16 52 16.88 +24 06 02.6 118
2001-05-29 08:56:59 C 16 35 45.45 +26 32 51.7 711
2001-05-29 09:06:29 C 16 35 43.36 +26 33 09.2 711
2001-05-30 00:04:29 C 16 32 17.46 +27 00 42.0 118
2001-05-30 00:08:49 C 16 32 16.44 +27 00 49.8 118
2001-05-30 00:13:39 C 16 32 15.26 +27 00 59.1 118
2001-05-30 06:13:59 C 16 30 50.87 +27 12 10.3 17.3 682
2001-05-30 06:46:46 C 16 30 42.94 +27 13 13.5 15.0 682
2001-05-30 07:19:31 C 16 30 35.40 +27 14 10.2 17.9 682
2001-05-30 07:52:15 C 16 30 27.30 +27 15 11.4 18.0 682
2001-05-30 09:06:23 C 16 30 09.20 +27 17 30.0 670
2001-05-30 10:23:52 C 16 29 50.28 +27 19 52.2 670
2001-05-30 22:26:54 C 16 26 55.05 +27 42 10.1 118
2001-05-30 22:28:48 C 16 26 54.59 +27 42 14.3 118
2001-05-30 22:31:54 C 16 26 53.82 +27 42 19.9 118
2001-05-31 06:24:43 C 16 24 55.88 +27 57 04.0 18.1 c 704
2001-05-31 06:39:44 C 16 24 52.13 +27 57 32.2 18.0 c 704
2001-05-31 06:54:29 C 16 24 48.36 +27 57 59.0 18.0 c 704
2001-05-31 06:54:44 C 16 24 48.24 +27 57 59.6 17.6 c 704
2001-05-31 07:09:28 C 16 24 44.42 +27 58 26.5 17.7 c 704
2001-05-31 07:09:44 C 16 24 44.37 +27 58 27.7 18.1 c 704
2001-05-31 07:24:29 C 16 24 40.57 +27 58 53.5 17.9 c 704
2001-06-03 06:24:48 C 16 05 08.58 +30 10 09.0 17.8 c 704
2001-06-03 06:39:52 C 16 05 03.88 +30 10 35.7 17.8 c 704
2001-06-03 06:54:56 C 16 04 59.30 +30 11 04.5 17.5 c 704
2001-06-03 07:09:58 C 16 04 54.73 +30 11 31.9 17.5 c 704
2001-06-05 20:52:09 C 15 45 07.18 +32 01 18.0 540
2001-06-05 20:57:20 C 15 45 05.43 +32 01 27.8 540
2001-06-05 21:02:00 C 15 45 03.79 +32 01 35.5 540
2001-06-07 05:54:19 C 15 33 23.23 +32 56 50.0 658
2001-06-07 06:07:24 C 15 33 18.34 +32 57 11.3 658
2001-06-07 06:11:51 C 15 33 16.74 +32 57 18.5 658
2001-06-07 12:40:26 C 15 30 53.15 +33 07 54.8 360
2001-06-07 12:42:33 C 15 30 52.33 +33 07 58.4 360
2001-06-07 12:45:01 C 15 30 51.40 +33 08 02.3 360
2001-06-07 20:22:58 C 15 27 59.59 +33 20 07.4 118
2001-06-07 20:26:45 C 15 27 58.12 +33 20 13.4 118
2001-06-07 20:28:43 C 15 27 57.41 +33 20 16.5 118
2001-06-09 05:10:15 C 15 15 12.18 +34 10 07.6 670
2001-06-09 06:01:16 C 15 14 51.48 +34 11 21.9 670
2001-06-10 06:37:20 C 15 04 43.25 +34 45 33.5 649
2001-06-10 06:39:29 C 15 04 42.27 +34 45 35.0 649
2001-06-10 06:42:06 C 15 04 41.11 +34 45 38.8 649