- 23889 Hermanngrassmann
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Hermanngrassmann
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =P. G. Comba
discovery_site = Prescott
discovered =September 26 ,1998
designations = yes
mp_name = 23889
alt_names = 1998 SC28
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.6169062
perihelion = 2.5841824
semimajor =
eccentricity = 0.1665391
period = 1994.1385621
avg_speed =
inclination = 0.77259
asc_node = 159.62596
mean_anomaly = 320.34416
arg_peri = 162.50384
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 = 14.823889 Hermanngrassmann (1998 SC28) is a
Main-belt Asteroid discovered onSeptember 26 ,1998 byP. G. Comba at Prescott.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=23889+Hermanngrassmann JPL Small-Body Database Browser on 23889 Hermanngrassmann]
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