- 9997 COBE
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = 9997 COBE
symbol =
caption = Orbit of 9997 COBE (blue), planets (red) and theSun (black). The outermost planet visible isJupiter .
discovery = yes
discovery_ref = ["9997 COBE (1217 T-1)" JPL Small-Body Database Browser]
discoverer = C.J. van Houten, I. van Houten-Groeneveld & T. Gehrels
discovered =March 25 ,1971
designations = yes
mp_name =
alt_names = 1217 T-1, 1969 UJ, 1989 SW11, 1991 EZ3
mp_category =
orbit_ref =
epoch =October 27 ,2007
aphelion = 2.8355877 AU
perihelion = 2.2551011 AU
semimajor = 2.5453444 AU
eccentricity = 0.1140291
period = 1483.2632897 d
avg_speed =
inclination = 2.46241°
asc_node = 335.59647°
mean_anomaly = 108.60988°
arg_peri = 90.30224°
satellites =
physical_characteristics = yes
dimensions =
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo =
temperatures=yes
temp_name1 =Kelvin
mean_temp_1 =
max_temp_1 =
temp_name2 =Celsius
max_temp_2 =
spectral_type =
abs_magnitude = 13.79997 COBE is a
main belt asteroid . It orbits theSun once every 4.06year s.Discovered on
March 25 ,1971 by C. J. van Houten and I. van Houten-Groeneveld in archival data produced by T. Gehrels, it was given the provision designation 1217 T-1. It was later renamed 9997 COBE in honour of theCosmic Background Explorer . ["MPC 41571" Minor Planet Center]References
Wikimedia Foundation. 2010.