3361 Orpheus

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 = 19.03

3361 Orpheus (1982 HR) is an Apollo asteroid that was discovered on April 24, 1982 by Carlos Torres at Cerro El Roble Astronomical Station. Its eccentric orbit crosses that of Mars and Earth, and approaches Venus 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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