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
2025-05-23 11:19:01 C 16 26 25.229 +20 15 39.10 V T05
2025-05-23 11:24:22 C 16 26 24.360 +20 15 44.53 V T05
2025-05-23 11:50:02 C 16 26 20.148 +20 16 10.60 V T05
2025-05-23 11:57:29 C 16 26 18.895 +20 16 18.26 V T05
2025-05-24 11:06:18 C 16 22 32.580 +20 39 58.14 V T08
2025-05-24 11:10:54 C 16 22 31.819 +20 40 02.53 V T08
2025-05-24 11:52:20 C 16 22 24.770 +20 40 44.47 V T08
2025-05-24 12:00:24 C 16 22 23.395 +20 40 52.75 V T08
2025-05-25 05:16:50 C 16 19 29.575 +20 58 14.95 V 703
2025-05-25 05:20:12 C 16 19 28.996 +20 58 17.62 V 703
2025-05-25 05:37:16 C 16 19 26.004 +20 58 35.36 V 703
2025-05-25 05:40:38 C 16 19 25.432 +20 58 40.08 V 703
2025-05-25 10:30:37 C 16 18 35.304 +21 03 32.36 V T08
2025-05-25 11:14:21 C 16 18 27.624 +21 04 16.75 V T08
2025-05-25 11:18:33 C 16 18 26.866 +21 04 20.50 V T08
2025-05-25 11:25:55 C 16 18 25.596 +21 04 28.02 V T08
2025-05-26 09:13:04 C 16 14 36.704 +21 25 57.58 V 703
2025-05-26 09:16:19 C 16 14 35.995 +21 26 01.32 V 703
2025-05-26 09:19:33 C 16 14 35.401 +21 26 04.49 V 703
2025-05-26 09:22:48 C 16 14 34.710 +21 26 07.80 V 703
2025-05-26 10:57:18 C 16 14 18.274 +21 27 43.67 V T05
2025-05-26 11:01:52 C 16 14 17.426 +21 27 48.31 V T05
2025-05-26 11:09:47 C 16 14 15.984 +21 27 56.09 V T05
2025-05-26 11:58:59 C 16 14 07.027 +21 28 43.61 V T05
2025-05-26 12:41:46 C 16 13 59.193 +21 29 25.16 X F51
2025-05-26 13:00:01 C 16 13 55.872 +21 29 42.74 X F51
2025-05-26 13:18:09 C 16 13 52.566 +21 30 00.24 X F51
2025-05-26 13:36:14 C 16 13 49.280 +21 30 17.59 X F51
2025-05-27 08:48:13 C 16 10 20.586 +21 48 49.18 V 703
2025-05-27 08:51:33 C 16 10 19.913 +21 48 53.71 V 703
2025-05-27 08:54:53 C 16 10 19.330 +21 48 57.60 V 703
2025-05-27 08:58:13 C 16 10 18.732 +21 49 01.92 V 703
2025-05-27 10:09:44 C 16 10 05.974 +21 50 12.37 V T05
2025-05-27 11:01:02 C 16 09 56.282 +21 51 01.58 V T05
2025-05-27 11:05:30 C 16 09 55.457 +21 51 05.47 V T05
2025-05-27 11:14:15 C 16 09 53.789 +21 51 14.33 V T05
2025-05-27 16:21:25 B 16 08 57.44 +21 56 00.3 X N94
2025-05-27 16:43:04 B 16 08 53.35 +21 56 20.9 X N94
2025-05-27 17:04:43 B 16 08 49.26 +21 56 41.6 X N94
2025-05-28 00:06:06 C 16 07 30.550 +22 03 25.16 V R17
2025-05-28 00:21:52 C 16 07 27.32 +22 03 36.7 V Z58
2025-05-28 00:25:18 C 16 07 26.67 +22 03 40.3 V Z58
2025-05-28 00:26:28 C 16 07 26.623 +22 03 44.46 V R17
2025-05-28 00:46:50 C 16 07 22.718 +22 04 03.36 V R17
2025-05-28 01:07:12 C 16 07 18.811 +22 04 22.73 V R17
2025-05-28 09:00:34 C 16 05 49.601 +22 11 48.01 V T08
2025-05-28 09:05:12 C 16 05 48.763 +22 11 52.37 V T08
2025-05-28 09:09:01 C 16 05 47.274 +22 11 52.91 V 703
2025-05-28 09:11:27 C 16 05 47.534 +22 11 58.85 V T08
2025-05-28 09:12:21 C 16 05 46.630 +22 11 55.07 V 703