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
2015-05-14 12:48:23 C 17 35 42.949 -03 00 01.42 L F51
2015-05-14 13:05:40 C 17 35 42.547 -02 59 58.25 L F51
2015-05-14 13:22:59 C 17 35 42.123 -02 59 55.19 L F51
2015-05-24 08:07:58 C 17 25 59.99 -02 27 56.7 q G96
2015-05-24 08:14:00 C 17 25 59.40 -02 27 55.9 q G96
2015-05-24 08:20:02 C 17 25 58.79 -02 27 55.5 q G96
2015-05-24 09:48:38 C 17 25 49.80 -02 27 49.6 t H01
2015-05-24 09:58:09 C 17 25 49.06 -02 27 47.6 q G96
2015-05-24 09:58:52 C 17 25 48.99 -02 27 47.6 q G96
2015-05-24 09:59:36 C 17 25 48.90 -02 27 47.4 q G96
2015-05-24 10:00:19 C 17 25 48.84 -02 27 47.2 q G96
2015-05-24 10:06:10 C 17 25 48.07 -02 27 48.1 t H01
2015-05-24 10:16:56 C 17 25 47.01 -02 27 47.2 t H01
2015-05-24 10:30:29 C 17 25 45.68 -02 27 46.1 t H01
2015-05-24 11:11:57 C 17 25 44.517 -02 27 30.24 L F51
2015-05-24 11:29:33 C 17 25 42.714 -02 27 28.98 L F51
2015-05-24 12:04:45 C 17 25 39.102 -02 27 26.15 L F51
2015-05-25 02:20:54 C 17 24 21.61 -02 26 44.8 q I93
2015-05-25 02:42:45 C 17 24 19.24 -02 26 43.3 q I93
2015-05-25 07:25:59 C 17 23 54.42 -02 26 12.9 o 926
2015-05-25 07:42:19 C 17 23 52.56 -02 26 11.8 o 926
2015-05-25 07:58:41 C 17 23 50.65 -02 26 10.7 o 926
2015-05-25 07:58:45 C 17 23 50.55 -02 26 11.5 q I52
2015-05-25 07:59:51 C 17 23 50.50 -02 26 11.3 q I52
2015-05-25 08:00:56 C 17 23 50.40 -02 26 11.2 q I52
2015-05-25 08:02:02 C 17 23 50.28 -02 26 11.3 q I52
2015-05-25 10:22:11 C 17 23 34.55 -02 26 04.5 t 673
2015-05-25 10:29:16 C 17 23 33.73 -02 26 04.2 t 673
2015-05-25 11:09:00 C 17 23 31.675 -02 25 47.58 L F51
2015-05-25 11:26:42 C 17 23 29.561 -02 25 46.55 L F51
2015-05-25 11:44:17 C 17 23 27.465 -02 25 45.46 L F51
2015-05-25 12:01:59 C 17 23 25.347 -02 25 44.32 L F51
2015-05-26 06:33:37 C 17 21 28.00 -02 24 56.7 q I52
2015-05-26 06:34:43 C 17 21 27.86 -02 24 56.4 q I52
2015-05-26 06:35:49 C 17 21 27.69 -02 24 56.8 q I52
2015-05-26 06:36:55 C 17 21 27.54 -02 24 56.4 q I52
2015-05-27 08:15:37 C 17 18 09.23 -02 24 12.0 q H21
2015-05-27 08:22:07 C 17 18 08.16 -02 24 11.6 q H21
2015-05-27 08:28:38 C 17 18 07.17 -02 24 12.2 q H21
2015-05-27 21:26:00 C 17 16 17.57 -02 24 09.1 q A13
2015-05-27 21:32:13 C 17 16 16.53 -02 24 09.1 q A13
2015-05-27 22:17:53 C 17 16 08.85 -02 24 09.2 q A13
2015-05-27 22:24:04 C 17 16 07.80 -02 24 09.0 q A13
2015-05-28 00:08:08 C 17 15 49.74 -02 24 07.6 q 204
2015-05-28 00:26:15 C 17 15 46.57 -02 24 08.3 q 204
2015-05-28 06:46:01 C 17 14 43.74 -02 22 24.7 u 807
2015-05-28 06:50:27 C 17 14 42.90 -02 22 24.5 u 807
2015-05-28 06:55:07 C 17 14 42.03 -02 22 24.6 u 807
2015-05-28 06:59:23 C 17 14 41.23 -02 22 24.6 u 807
2015-05-28 07:04:03 C 17 14 40.35 -02 22 24.5 u 807