- 7158 IRTF
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = IRTF
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =S. J. Bus
discovery_site =Siding Spring Observatory
discovered =March 1 ,1981
designations = yes
mp_name = 7158
alt_names = 1981 ES8
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.3476532
perihelion = 2.6779838
semimajor =
eccentricity = 0.1111367
period = 1910.1078824
avg_speed =
inclination = 9.65679
asc_node = 207.28180
mean_anomaly = 235.15207
arg_peri = 159.52474
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 = 12.47158 IRTF (1981 ES8) is a
Main-belt Asteroid discovered onMarch 1 ,1981 byS. J. Bus atSiding Spring Observatory in the course of theU.K. Schmidt-Caltech Asteroid Survey .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=7158+IRTF JPL Small-Body Database Browser on 7158 IRTF]
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