(9990) 1997 SO17

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = mp|(9990) 1997 SO|17
symbol =


caption = Orbit of mp|(9990) 1997 SO|17 (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
discovery = yes
discovery_ref =
discoverer = T. Okuni
discovered = September 30, 1997
designations = yes
mp_name =
alt_names = 1978 TC5, 1995 ES8
mp_category =
orbit_ref =
epoch = October 27, 2007
aphelion = 3.0662844 AU
perihelion = 2.5951522 AU
semimajor = 2.8307183 AU
eccentricity = 0.0832178
period = 1739.5760015 d
avg_speed =
inclination = 2.0927°
asc_node = 168.56208°
mean_anomaly = 81.23613°
arg_peri = 162.30810°
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 = 13.3

mp|(9990) 1997 SO|17 is a main belt asteroid. It orbits the Sun once every 4.76 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1997%20SO17;orb=0;cov=0;log=0#elem|title = 9990 (mp|1997 SO|17)|work = JPL Small-Body Database Browser]

It was discovered by Tomimaru Okuni on September 30, 1997 and given the provisional designation mp|1997 SO|17. ["MPO 101863" Minor Planet Center]

References