- (118379) 1999 HC12
Infobox Planet | discovery=yes | physical_characteristics=yes | bgcolour=#FFFFC0
name=mp|(118379) 1999 HC|12
discoverer=Kitt Peak National Observatory
discovered=April 18 ,1999
mp_name=mp|(118379) 1999 HC|12
alt_names="none"
mp_category=TNO
semimajor=45.614 AU
aphelion=56.370 AU
perihelion=34.858 AU
inclination=15.3°
eccentricity=0.236
mean_anomaly=51.8°
asc_node=57.0°
arg_peri=96.8°
abs_magnitude=7.6
dimensions=133
albedo=0.09 (assumed)mp|(118379) 1999 HC|12, also written as (118379) 1999 HC12, is a
trans-Neptunian object . It was discovered onApril 18 ,1999 atKitt Peak National Observatory .References
* 1.http://www.johnstonsarchive.net/astro/tnoslist.html
* 2.http://cfa-www.harvard.edu/iau/lists/TNOs.html
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