2015 KU121

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4953058782 ± 4.50e-07
Semi-major axis (a)1.0782043136 AU ± 2.08e-07
Inclination (i)13.34138528° ± 1.69e-05
Long. of Asc. Node (Ω)75.14206459° ± 1.14e-06
Arg. of Perihelion (ω)294.41433926° ± 1.98e-05
Mean Anomaly (M)67.06116319° ± 9.70e-04
Mean Motion (n)0.8803468700°/day ± 2.55e-07
Perihelion dist (q)0.54416890 AU ± 4.96e-07
Aphelion dist (Q)1.61223530 AU ± 5.76e-07
Orbital Period1.11956740 yr ± 3.24e-07
Physical Parameters
H (abs. magnitude)22.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.255″
Uncertainty1
Orbit TypeApollo
MOID0.002775 AU
Observations Used216
Oppositions2
Arc Total2015-2016
First Observation Used
Last Observation Used2016-05-11
Observations (248)
Date Type RA Dec Mag Band Observatory
2015-05-28 07:14:00 C 17 14 39.97 -02 24 02.6 q H21
2015-05-28 07:18:11 C 17 14 39.17 -02 24 02.4 q H21
2015-05-28 07:22:22 C 17 14 38.40 -02 24 02.4 q H21
2015-05-28 22:58:27 C 17 11 54.36 -02 24 20.8 q B74
2015-05-28 23:31:50 C 17 11 47.40 -02 24 21.6 q B74
2015-05-28 23:58:11 C 17 11 41.83 -02 24 22.8 q B74
2015-05-29 07:15:49 C 17 10 13.52 -02 24 34.7 u H21
2015-05-29 07:19:01 C 17 10 12.78 -02 24 35.2 u H21
2015-05-29 07:22:07 C 17 10 12.08 -02 24 35.1 u H21
2015-05-29 07:31:25 C 17 10 09.98 -02 24 35.4 u H21
2015-05-29 07:34:31 C 17 10 09.29 -02 24 35.4 u H21
2015-05-29 07:37:18 C 17 10 08.67 -02 24 35.5 u H21
2015-05-29 08:29:54 C 17 09 58.65 -02 24 27.6 o 926
2015-05-29 08:44:45 C 17 09 55.21 -02 24 27.8 o 926
2015-05-29 08:57:20 C 17 09 52.29 -02 24 27.9 o 926
2015-05-30 07:10:56 C 17 04 48.70 -02 25 49.1 o 926
2015-05-30 07:21:43 C 17 04 45.62 -02 25 50.3 o 926
2015-05-30 07:32:09 C 17 04 42.73 -02 25 50.4 o 926
2015-05-31 05:13:55 C 16 58 32.03 -02 26 04.3 u 807
2015-05-31 05:17:23 C 16 58 30.83 -02 26 04.9 u 807
2015-05-31 05:21:02 C 16 58 29.56 -02 26 05.3 u 807
2015-05-31 05:24:21 C 16 58 28.41 -02 26 05.6 u 807
2015-05-31 05:28:02 C 16 58 27.12 -02 26 06.1 u 807
2015-06-02 04:18:59 C 16 38 54.14 -02 37 36.2 u H21
2015-06-02 04:22:02 C 16 38 52.38 -02 37 36.5 u H21
2015-06-02 04:24:58 C 16 38 50.65 -02 37 37.8 u H21
2015-06-02 04:27:54 C 16 38 48.96 -02 37 38.4 u H21
2015-06-02 04:30:51 C 16 38 47.21 -02 37 39.3 u H21
2015-06-02 04:33:47 C 16 38 45.50 -02 37 40.9 u H21
2015-06-02 04:36:38 C 16 38 43.83 -02 37 41.3 u H21
2015-06-02 04:39:10 C 16 38 42.34 -02 37 42.3 u H21
2015-06-02 04:41:43 C 16 38 40.83 -02 37 43.2 u H21
2015-06-02 06:21:44 C 16 37 41.39 -02 38 11.0 u H21
2015-06-02 06:25:09 C 16 37 39.35 -02 38 12.3 u H21
2015-06-02 06:28:34 C 16 37 37.28 -02 38 13.1 u H21
2015-06-02 06:31:40 C 16 37 35.40 -02 38 13.6 u H21
2015-06-02 06:34:46 C 16 37 33.55 -02 38 14.4 u H21
2015-06-02 06:37:52 C 16 37 31.68 -02 38 15.3 u H21
2015-06-02 06:40:58 C 16 37 29.81 -02 38 16.2 u H21
2015-06-02 06:44:04 C 16 37 27.96 -02 38 17.5 u H21
2015-06-03 04:25:56 C 16 23 08.43 -02 45 42.3 u H21
2015-06-03 04:28:53 C 16 23 06.03 -02 45 43.5 u H21
2015-06-03 04:31:49 C 16 23 03.63 -02 45 44.4 u H21
2015-06-03 04:34:46 C 16 23 01.22 -02 45 45.8 u H21
2015-06-03 04:37:42 C 16 22 58.81 -02 45 46.9 u H21
2015-06-03 04:40:38 C 16 22 56.41 -02 45 48.2 u H21
2015-06-03 04:43:35 C 16 22 54.00 -02 45 49.4 u H21
2015-06-03 04:46:31 C 16 22 51.60 -02 45 50.5 u H21
2015-06-03 04:49:28 C 16 22 49.19 -02 45 51.7 u H21
2015-06-03 06:29:33 C 16 21 25.96 -02 46 32.0 u H21