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
2015-06-17 05:45:21 C 16 11 17.87 +01 46 24.9 q I52
2015-06-17 05:48:04 C 16 11 17.99 +01 46 14.6 q I52
2015-06-17 05:50:47 C 16 11 18.15 +01 46 04.3 q I52
2015-06-21 08:38:13 C 16 15 55.93 -03 22 20.8 q I52
2015-06-21 08:44:38 C 16 15 56.13 -03 22 36.9 q I52
2015-06-24 11:30:02 C 16 18 51.13 -06 10 08.9 t 474
2015-06-24 11:35:05 C 16 18 51.31 -06 10 19.3 t 474
2015-06-24 11:40:09 C 16 18 51.46 -06 10 29.3 t 474
2015-06-24 11:45:13 C 16 18 51.61 -06 10 39.0 t 474
2015-07-15 07:53:25 C 16 35 29.729 -15 23 14.51 t 568
2015-07-15 08:08:10 C 16 35 30.188 -15 23 23.73 t 568
2015-07-15 08:22:50 C 16 35 30.628 -15 23 32.97 t 568