52228 Protos

52228 Protos

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Protos
symbol =


caption =
discovery = yes
discovery_ref =
discoverer = L. D. Schmadel
discovery_site = European Southern Observatory
discovered = September 5, 1977
designations = yes
mp_name = 52228
alt_names = 1977 RN
mp_category =
orbit_ref =
epoch = May 14, 2008
aphelion = 3.5896889
perihelion = 2.8312817
semimajor =
eccentricity = 0.1181141
period = 2101.1374332
avg_speed =
inclination = 27.93324
asc_node = 48.40241
mean_anomaly = 86.02689
arg_peri = 332.49390
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 = 13.0

52228 Protos (1977 RN) is a Outer Main-belt Asteroid discovered on September 5, 1977 by L. D. Schmadel at the European Southern Observatory.

External links

* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=52228+Protos JPL Small-Body Database Browser on 52228 Protos]


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