- 21665 Frege
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Frege
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =P. G. Comba
discovery_site = Prescott
discovered =September 5 ,1999
designations = yes
mp_name = 21665
alt_names = 1999 RR1
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 2.5571676
perihelion = 1.9861846
semimajor =
eccentricity = 0.1256744
period = 1250.5989414
avg_speed =
inclination = 2.87041
asc_node = 309.20778
mean_anomaly = 296.53658
arg_peri = 287.95987
satellites =
physical_characteristics = yes
dimensions =
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo =
temperatures=
temp_name1 =
mean_temp_1 =
max_temp_1 =
temp_name2 =
max_temp_2 =
spectral_type =
abs_magnitude = 16.221665 Frege (1999 RR1) is a
Main-belt Asteroid discovered onSeptember 5 ,1999 byP. G. Comba at Prescott.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=21665+Frege JPL Small-Body Database Browser on 21665 Frege]
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