- 3361 Orpheus
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
name = Orpheus
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =Carlos Torres
discovery_site =Cerro El Roble
discovered =April 24 ,1982
designations = yes
mp_name = 3361
alt_names = 1982 HR
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 1.600 AU
perihelion = 0.819 AU
semimajor = 1.209 AU
eccentricity = 0.323
period = 485.818 d
avg_speed =
inclination = 2.685°
asc_node = 189.603°
mean_anomaly = 261.176°
arg_peri = 301.651
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 = 19.033361 Orpheus (1982 HR) is an
Apollo asteroid that was discovered onApril 24 ,1982 byCarlos Torres atCerro El Roble Astronomical Station . Its eccentric orbit crosses that ofMars andEarth , and approachesVenus as well. From 1900 to 2100 it passes closer than 30 Gm to Venus 11, Earth 33, and Mars 14 times.External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3361+Orpheus JPL Small-Body Database Browser on 3361 Orpheus]
* [http://chemistry.unina.it/~alvitagl/solex/ SOLEX (approach predictions)]
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