- (9948) 1990 QB2
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = mp|(9948) 1990 QB|2
symbol =
caption = Orbit of mp|(9948) 1990 QB|2
discovery = yes
discovery_ref =
discoverer =H. E. Holt
discovered =August 22 ,1990
designations = yes
mp_name = mp|(9948) 1990 QB|2
alt_names = mp|1979 SJ|6, mp|1990 SQ|26
mp_category =
orbit_ref =
epoch =October 27 ,2007
aphelion = 2.8987435 AU
perihelion = 1.8687523 AU
semimajor = 2.3837479 AU
eccentricity = 0.2160445
period = 1344.2774445 d
avg_speed =
inclination = 2.09158°
asc_node = 171.73950°
mean_anomaly = 250.71412°
arg_peri = 151.23916°
satellites =
physical_characteristics = yes
dimensions = ~17km [cite web|url = http://www.iop.org/EJ/article/1538-3881/123/2/1056/FP206.txt?request-id=ZkkEm1jA3BGTV3i82wi7Kg|title = The supplemental IRAS minor planet survey (SIMPS)|author = Tedesco E.F., Noah P.V., Noah M., Price S.D.]
mass =
density =
surface_grav =
escape_velocity =
sidereal_day = 3.532 h
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo = ~0.01
temperatures=yes
temp_name1 =Kelvin
mean_temp_1 =
max_temp_1 =
temp_name2 =Celsius
max_temp_2 =
spectral_type =S-type asteroid [cite web|url = http://people.roma2.infn.it/~masi/sdss_smass/|title = Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog|author = Gianluca Masi, Sergio Foglia & Richard P. Binzel]
abs_magnitude = 14.5mp|(9948) 1990 QB|2 is an S-type
main belt asteroid . It orbits theSun once every 3.68 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9948;orb=0;cov=0;log=0#elem|title = 9948 (1990 QB2)|work = JPL Small-Body Database Browser]Discovered on
August 22 ,1990 byH. E. Holt , it was given the provisional designation "mp|1990 QB|2". ["MPO 14997" Minor Planet Center]References
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