2015 LK21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6052569184 ± 6.45e-08
Semi-major axis (a)2.7625603005 AU ± 9.30e-08
Inclination (i)24.06100858° ± 6.51e-06
Long. of Asc. Node (Ω)166.01029023° ± 2.78e-05
Arg. of Perihelion (ω)203.65729293° ± 2.96e-05
Mean Anomaly (M)53.23463223° ± 1.89e-05
Mean Motion (n)0.2146567880°/day ± 1.08e-08
Perihelion dist (q)1.09050157 AU ± 1.82e-07
Aphelion dist (Q)4.43461903 AU ± 2.33e-07
Orbital Period4.59163809 yr ± 2.32e-07
Physical Parameters
H (abs. magnitude)17.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.284″
Uncertainty0
Orbit TypeAmor
MOID0.110970 AU
Observations Used125
Oppositions7
Arc Total2015-2024
First Observation Used2015-05-25
Last Observation Used2024-06-10
Observations (126)
Date Type RA Dec Mag Band Observatory
2015-08-19 04:30:44 C 15 58 08.30 +07 48 19.6 o 291
2015-08-19 04:36:40 C 15 58 08.48 +07 48 16.3 o 291
2015-09-04 23:54:08 C 16 12 36.20 +03 36 52.1 u 807
2015-09-05 00:03:50 C 16 12 36.64 +03 36 46.0 u 807
2015-09-05 00:13:17 C 16 12 37.08 +03 36 40.0 u 807
2017-02-27 02:56:39 C 10 30 24.79 +03 57 16.8 u 807
2017-02-27 03:13:12 C 10 30 24.16 +03 57 22.3 u 807
2017-02-27 03:29:47 C 10 30 23.58 +03 57 29.4 u 807
2017-03-05 05:01:44 C 10 25 13.80 +04 51 40.2 u 807
2017-03-05 05:26:46 C 10 25 12.91 +04 51 49.7 u 807
2017-03-05 05:51:34 C 10 25 12.00 +04 51 58.5 u 807
2020-04-23 11:25:57 C 21 08 37.67 +06 08 43.9 V I52
2020-04-23 11:32:01 C 21 08 38.31 +06 08 48.1 V I52
2020-04-23 11:36:25 C 21 08 38.80 +06 08 50.5 V I52
2020-04-23 11:40:50 C 21 08 39.26 +06 08 52.3 V I52
2020-05-02 10:25:44 C 21 32 19.82 +08 04 24.7 V G96
2020-05-02 10:33:11 C 21 32 20.66 +08 04 28.2 V G96
2020-05-02 10:40:41 C 21 32 21.52 +08 04 32.3 V G96
2020-05-02 10:48:10 C 21 32 22.41 +08 04 36.6 V G96
2020-06-10 10:58:22 C 23 39 40.37 +16 17 44.7 V I52
2020-06-10 10:59:16 C 23 39 40.54 +16 17 45.6 V I52
2020-06-10 11:00:07 C 23 39 40.67 +16 17 46.2 V I52
2020-06-10 11:00:59 C 23 39 40.81 +16 17 45.7 V I52
2020-06-13 00:57:07 C 23 50 01.65 +16 42 37.3 V L01
2020-06-13 01:03:19 C 23 50 02.75 +16 42 40.0 V L01
2020-06-13 01:10:38 C 23 50 03.98 +16 42 42.8 V L01
2020-06-13 01:17:24 C 23 50 05.10 +16 42 45.1 V L01
2020-06-13 01:24:14 C 23 50 06.28 +16 42 47.6 V L01
2020-06-23 00:55:21 C 00 32 50.50 +17 56 48.6 V A17
2020-06-23 01:18:02 C 00 32 54.73 +17 56 53.3 V A17
2020-06-23 01:40:43 C 00 32 58.98 +17 56 58.1 V A17
2020-07-20 01:53:56 C 02 46 01.01 +16 48 54.0 V C95
2020-07-20 02:07:49 C 02 46 03.98 +16 48 47.7 V C95
2020-07-20 02:21:39 C 02 46 06.90 +16 48 41.5 V C95
2020-07-20 02:49:18 C 02 46 12.79 +16 48 28.0 V C95
2020-07-22 14:24:12 C 02 58 57.036 +16 19 03.19 U F52
2020-07-22 14:29:43 C 02 58 58.188 +16 19 00.44 U F52
2020-07-22 14:40:43 C 02 59 00.522 +16 18 54.75 U F52
2020-07-23 01:13:19 C 03 01 15.46 +16 13 12.6 V A17
2020-07-23 01:47:32 C 03 01 22.73 +16 12 54.6 V A17
2020-07-23 01:53:12 C 03 01 23.94 +16 12 51.3 V A17
2020-07-31 14:05:53 C 03 44 15.35 +14 03 30.3 V T08
2020-07-31 14:10:32 C 03 44 16.37 +14 03 26.3 V T08
2020-07-31 14:38:15 C 03 44 22.05 +14 03 06.6 V T08
2020-07-31 14:38:54 C 03 44 22.14 +14 03 06.1 V T08
2020-07-31 14:53:53 C 03 44 25.17 +14 02 56.0 V T08
2020-10-09 11:59:03 C 07 41 00.63 -08 49 55.2 V G96
2020-10-09 12:07:22 C 07 41 01.25 -08 50 00.5 V G96
2020-10-09 12:15:42 C 07 41 01.86 -08 50 06.5 V G96
2020-10-09 12:24:01 C 07 41 02.50 -08 50 12.0 V G96