9997 COBE

9997 COBE

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = 9997 COBE
symbol =


caption = Orbit of 9997 COBE (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
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 = 13.7

9997 COBE is a main belt asteroid. It orbits the Sun once every 4.06 years.

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 the Cosmic Background Explorer. ["MPC 41571" Minor Planet Center]

References


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