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
2020-04-28 08:24:06 C 12 59 27.197 +38 21 40.41 U F52
2020-04-28 09:39:29 C 12 59 20.240 +38 21 00.87 U F52
2020-04-28 09:55:39 C 12 59 18.755 +38 20 52.58 U F52
2020-04-28 10:11:45 C 12 59 17.309 +38 20 44.04 U F52
2020-04-28 10:27:53 C 12 59 15.816 +38 20 35.36 U F52
2020-05-06 07:59:43 C 12 44 51.335 +36 30 44.72 U F52
2020-05-06 08:16:45 C 12 44 50.226 +36 30 33.66 U F52
2020-05-17 05:24:05 C 12 32 15.86 +33 38 04.5 V G96
2020-05-17 05:31:28 C 12 32 15.54 +33 37 59.6 V G96
2020-05-17 05:38:52 C 12 32 15.25 +33 37 54.1 V G96
2020-05-17 05:46:15 C 12 32 14.99 +33 37 49.1 V G96
2022-03-28 14:34:30 C 16 36 24.411 +07 31 02.87 U F52
2022-03-28 14:46:40 C 16 36 24.197 +07 31 09.69 U F52
2022-03-28 14:58:50 C 16 36 23.982 +07 31 16.52 U F52
2022-03-28 15:10:56 C 16 36 23.758 +07 31 23.19 U F52
2022-04-28 09:35:49 C 16 01 37.308 +15 03 19.48 V G96
2022-04-28 09:43:15 C 16 01 36.707 +15 03 23.72 V G96
2022-04-28 09:50:41 C 16 01 36.026 +15 03 28.15 V G96
2022-04-28 09:58:08 C 16 01 35.490 +15 03 32.65 V G96
2022-05-02 18:44:24 C 15 52 50.03 +16 02 28.8 V D29
2022-05-02 19:04:46 C 15 52 48.21 +16 02 40.0 V D29
2022-05-05 17:33:57 C 15 46 26.99 +16 39 05.5 V D29
2022-05-05 18:14:40 C 15 46 23.11 +16 39 26.0 V D29
2022-05-11 06:58:31 C 15 33 34.880 +17 38 54.31 V G96
2022-05-11 07:05:54 C 15 33 34.117 +17 38 57.05 V G96
2022-05-11 07:13:18 C 15 33 33.365 +17 38 59.78 V G96
2022-05-18 08:42:58 C 15 16 07.820 +18 33 37.84 V G96
2022-05-18 08:50:23 C 15 16 07.082 +18 33 39.56 V G96
2022-05-18 08:57:47 C 15 16 06.272 +18 33 41.54 V G96
2022-05-18 09:05:11 C 15 16 05.480 +18 33 43.13 V G96
2022-05-24 11:41:52 C 15 00 42.810 +18 58 36.27 U F52
2022-05-24 12:00:11 C 15 00 40.869 +18 58 37.96 U F52
2022-05-24 12:18:32 C 15 00 38.932 +18 58 39.43 U F52
2022-05-27 11:04:50 C 14 53 19.726 +19 02 44.26 U F52
2022-05-27 11:22:15 C 14 53 17.912 +19 02 44.53 U F52
2022-05-27 11:57:01 C 14 53 14.289 +19 02 44.92 U F52
2022-06-07 05:41:11 C 14 28 25.583 +18 35 10.00 V G96
2022-06-07 05:48:43 C 14 28 24.910 +18 35 08.16 V G96
2022-06-07 05:56:14 C 14 28 24.244 +18 35 06.72 V G96
2022-06-07 06:03:44 C 14 28 23.534 +18 35 04.88 V G96
2022-06-29 01:09:26 C 13 53 18.45 +15 03 37.0 V 807
2022-06-29 01:17:25 C 13 53 18.11 +15 03 32.0 V 807
2022-06-29 01:25:24 C 13 53 17.70 +15 03 28.6 V 807
2022-07-01 00:02:59 C 13 51 18.25 +14 37 57.3 V 807
2022-07-01 00:10:58 C 13 51 17.91 +14 37 52.8 V 807
2022-07-01 00:18:57 C 13 51 17.58 +14 37 48.4 V 807
2022-07-05 00:05:53 C 13 47 45.54 +13 43 11.1 V 807
2022-07-05 00:13:52 C 13 47 45.24 +13 43 06.7 V 807
2022-07-05 00:21:52 C 13 47 44.98 +13 43 01.7 V 807
2022-07-05 23:02:14 C 13 47 01.36 +13 29 43.1 V 807