2015 LL21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7161007000
Semi-major axis (a)2.1899782000 AU
Inclination (i)6.97545000°
Long. of Asc. Node (Ω)111.22906000°
Arg. of Perihelion (ω)56.58571000°
Mean Anomaly (M)102.35652000°
Mean Motion (n)0.3041195900°/day
Perihelion dist (q)0.62173330 AU
Aphelion dist (Q)3.75822310 AU
Orbital Period3.24085560 yr
Physical Parameters
H (abs. magnitude)19.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty6
Orbit TypeApollo
MOID0.052775 AU
Observations Used63
Oppositions1
Arc Total
First Observation Used
Last Observation Used2015-06-26
Observations (63)
Date Type RA Dec Mag Band Observatory
2015-06-15 08:52:47 C 19 55 15.61 -10 28 25.5 q I52
2015-06-15 08:53:23 C 19 55 15.46 -10 28 27.3 q I52
2015-06-18 08:19:44 C 19 41 21.67 -12 23 02.0 o 926
2015-06-18 08:28:00 C 19 41 20.05 -12 23 14.2 o 926
2015-06-18 08:39:16 C 19 41 17.91 -12 23 31.4 o 926
2015-06-19 07:39:47 C 19 37 04.77 -12 57 24.9 t 705
2015-06-19 07:41:39 C 19 37 04.45 -12 57 27.3 t 705
2015-06-20 09:36:59 C 19 32 27.14 -13 33 56.0 o 926
2015-06-20 09:47:38 C 19 32 25.25 -13 34 11.8 o 926
2015-06-20 09:55:40 C 19 32 23.78 -13 34 22.3 o 926
2015-06-26 03:57:30 C 19 10 28.23 -16 20 27.2 u 807
2015-06-26 04:05:24 C 19 10 27.05 -16 20 35.4 u 807
2015-06-26 04:13:11 C 19 10 25.89 -16 20 43.5 u 807