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
2015-06-04 06:53:33 C 15 57 32.24 -02 57 55.2 o 926
2015-06-04 08:06:04 C 15 56 01.16 -02 59 05.0 17.2 r 718
2015-06-04 08:08:38 C 15 55 57.82 -02 59 05.8 17.3 r 718
2015-06-04 08:11:12 C 15 55 54.50 -02 59 08.0 16.8 r 718
2015-06-04 08:16:19 C 15 55 48.03 -02 59 09.9 17.2 r 718
2015-06-04 20:51:06 C 15 38 33.27 -03 07 20.0 q K61
2015-06-04 20:52:37 C 15 38 30.86 -03 07 21.0 q K61
2015-06-04 20:54:40 C 15 38 27.59 -03 07 22.4 q K61
2015-06-04 20:55:47 C 15 38 25.81 -03 07 22.9 q K61
2015-06-04 21:19:15 C 15 37 48.77 -03 07 25.9 q 560
2015-06-04 21:19:39 C 15 37 48.12 -03 07 26.1 q 560
2015-06-04 21:19:56 C 15 37 47.65 -03 07 26.4 q 560
2015-06-04 21:27:11 C 15 37 36.27 -03 07 31.3 q 203
2015-06-04 21:37:25 C 15 37 19.61 -03 07 38.1 q 203
2015-06-04 21:46:51 C 15 37 04.23 -03 07 44.3 q 203
2015-06-05 03:53:05 C 15 26 50.83 -03 11 28.9 u H21
2015-06-05 03:54:33 C 15 26 48.16 -03 11 30.0 u H21
2015-06-05 03:56:00 C 15 26 45.48 -03 11 30.8 u H21
2015-06-05 03:57:27 C 15 26 42.78 -03 11 31.9 u H21
2015-06-05 03:58:54 C 15 26 40.09 -03 11 32.8 u H21
2015-06-05 04:00:21 C 15 26 37.41 -03 11 33.7 u H21
2015-06-05 04:01:49 C 15 26 34.73 -03 11 34.9 u H21
2015-06-05 04:03:16 C 15 26 32.04 -03 11 35.8 u H21
2015-06-05 04:04:43 C 15 26 29.35 -03 11 36.8 u H21
2015-06-05 04:06:10 C 15 26 26.65 -03 11 37.8 u H21
2015-06-05 04:07:37 C 15 26 23.96 -03 11 38.8 u H21
2015-06-05 04:09:05 C 15 26 21.26 -03 11 39.9 u H21
2015-06-05 04:10:32 C 15 26 18.58 -03 11 40.8 u H21
2015-06-05 04:11:59 C 15 26 15.87 -03 11 41.7 u H21
2015-06-05 04:13:39 C 15 26 12.78 -03 11 43.0 u H21
2015-06-05 06:44:07 C 15 21 32.58 -03 13 30.3 16.5 r 718
2015-06-05 06:45:16 C 15 21 30.38 -03 13 30.8 16.5 r 718
2015-06-05 06:46:25 C 15 21 28.10 -03 13 30.5 16.4 r 718
2015-06-05 06:47:33 C 15 21 25.84 -03 13 32.6 16.4 r 718
2015-06-05 06:48:42 C 15 21 23.63 -03 13 33.0 16.3 r 718
2015-06-05 22:02:46 C 14 47 42.57 -03 24 30.9 q G34
2015-06-05 22:07:01 C 14 47 31.30 -03 24 32.9 q G34
2015-06-05 22:11:15 C 14 47 20.03 -03 24 35.5 q G34
2015-06-06 05:53:00 C 14 25 45.83 -03 28 10.5 u H21
2015-06-06 05:54:57 C 14 25 39.79 -03 28 11.1 u H21
2015-06-06 05:56:44 C 14 25 34.30 -03 28 12.0 u H21
2015-06-06 05:58:32 C 14 25 28.77 -03 28 12.8 u H21
2015-06-06 06:06:30 C 14 25 10.07 -03 27 40.0 o 926
2015-06-06 06:08:02 C 14 25 05.33 -03 27 40.7 o 926
2015-06-06 06:08:59 C 14 24 56.52 -03 28 17.6 u H21
2015-06-06 06:09:34 C 14 25 00.54 -03 27 41.5 o 926
2015-06-06 06:10:40 C 14 24 51.34 -03 28 18.1 u H21
2015-06-06 06:12:20 C 14 24 46.18 -03 28 18.8 u H21
2015-06-06 06:13:57 C 14 24 41.17 -03 28 19.5 u H21
2015-06-06 07:11:27 C 14 21 46.18 -03 28 07.5 o 926