2015 LM21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7718657503 ± 7.99e-05
Semi-major axis (a)2.4345810598 AU ± 5.64e-04
Inclination (i)6.35851602° ± 6.52e-04
Long. of Asc. Node (Ω)121.12860854° ± 5.31e-03
Arg. of Perihelion (ω)36.94390850° ± 6.69e-03
Mean Anomaly (M)280.50254079° ± 3.75e-01
Mean Motion (n)0.2594632882°/day ± 9.01e-05
Perihelion dist (q)0.55541132 AU ± 2.33e-04
Aphelion dist (Q)4.31375080 AU ± 1.02e-03
Orbital Period3.79871191 yr ± 1.32e-03
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.352″
Uncertainty3
Orbit TypeApollo
MOID0.086931 AU
Observations Used61
Oppositions1
Arc Total2015-2015
First Observation Used2015-06-12
Last Observation Used2015-07-15
Observations (62)
Date Type RA Dec Mag Band Observatory
2015-06-02 17:43:47 S 14 46 12.31 +62 20 36.1 L C51
2015-06-12 08:23:25 C 16 03 00.57 +11 45 15.4 q 703
2015-06-12 08:31:23 C 16 03 01.26 +11 44 21.3 q 703
2015-06-12 08:39:22 C 16 03 01.79 +11 43 24.9 q 703
2015-06-12 08:47:21 C 16 03 02.60 +11 42 31.5 q 703
2015-06-12 09:24:46 C 16 03 05.74 +11 38 19.3 q 703
2015-06-12 09:33:09 C 16 03 06.45 +11 37 21.1 q 703
2015-06-12 09:41:33 C 16 03 07.18 +11 36 24.3 q 703
2015-06-12 09:49:55 C 16 03 07.89 +11 35 28.5 q 703
2015-06-12 11:31:33 C 16 03 17.745 +11 24 19.61 L F52
2015-06-12 11:48:57 C 16 03 19.135 +11 22 22.62 L F52
2015-06-12 12:06:17 C 16 03 20.526 +11 20 27.00 L F52
2015-06-12 12:23:38 C 16 03 21.934 +11 18 31.09 L F52
2015-06-12 15:01:36 C 16 03 39.08 +11 00 51.3 q O75
2015-06-12 15:05:15 C 16 03 39.46 +11 00 27.1 q O75
2015-06-13 03:43:37 C 16 04 46.26 +09 40 40.2 o 926
2015-06-13 03:51:59 C 16 04 46.87 +09 39 49.8 o 926
2015-06-13 04:00:20 C 16 04 47.45 +09 38 59.0 o 926
2015-06-13 04:41:51 C 16 04 50.49 +09 34 44.2 q I52
2015-06-13 04:42:29 C 16 04 50.51 +09 34 40.4 q I52
2015-06-13 04:43:06 C 16 04 50.55 +09 34 37.0 q I52
2015-06-13 04:43:43 C 16 04 50.64 +09 34 33.2 q I52
2015-06-13 06:16:10 C 16 04 57.18 +09 25 13.4 o 291
2015-06-13 06:16:58 C 16 04 57.21 +09 25 08.1 o 291
2015-06-13 06:17:46 C 16 04 57.17 +09 25 04.0 o 291
2015-06-14 04:19:11 C 16 06 41.46 +07 19 25.1 q I52
2015-06-14 04:20:19 C 16 06 41.50 +07 19 18.2 q I52
2015-06-14 04:21:26 C 16 06 41.60 +07 19 13.5 q I52
2015-06-14 04:22:33 C 16 06 41.66 +07 19 07.0 q I52
2015-06-14 05:22:24 C 16 06 45.39 +07 13 47.0 o 926
2015-06-14 05:30:46 C 16 06 45.92 +07 13 02.2 o 926
2015-06-14 05:39:08 C 16 06 46.41 +07 12 17.6 o 926
2015-06-14 06:04:02 C 16 06 47.95 +07 10 04.1 o 926
2015-06-14 06:09:39 C 16 06 48.30 +07 09 34.0 o 926
2015-06-14 06:15:17 C 16 06 48.66 +07 09 04.0 o 926
2015-06-15 04:23:47 C 16 08 21.92 +05 17 10.1 q I52
2015-06-15 04:24:40 C 16 08 21.97 +05 17 05.1 q I52
2015-06-15 04:25:32 C 16 08 21.97 +05 17 01.8 q I52
2015-06-15 04:26:24 C 16 08 22.10 +05 16 57.4 q I52
2015-06-15 05:49:05 C 16 08 25.70 +05 10 19.0 u H21
2015-06-15 05:55:04 C 16 08 26.06 +05 09 50.6 u H21
2015-06-15 06:00:51 C 16 08 26.39 +05 09 23.4 u H21
2015-06-15 06:18:31 C 16 08 28.20 +05 08 04.3 o 926
2015-06-15 06:25:43 C 16 08 28.60 +05 07 30.7 o 926
2015-06-15 06:32:54 C 16 08 29.00 +05 06 56.7 o 926
2015-06-15 12:14:04 C 16 08 50.82 +04 41 14.6 t 474
2015-06-15 12:21:46 C 16 08 51.27 +04 40 38.9 t 474
2015-06-15 12:23:17 C 16 08 51.34 +04 40 31.8 t 474
2015-06-15 12:24:50 C 16 08 51.42 +04 40 24.4 t 474
2015-06-17 05:35:45 C 16 11 17.44 +01 47 01.8 q I52