- 3631 Sigyn
Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = Sigyn
symbol =
caption =
discovery = yes
discovery_ref =
discoverer =E. W. Elst
discovery_site =La Silla
discovered =January 25 ,1987
designations = yes
mp_name = 3631
alt_names = 1987 BV1
mp_category =
orbit_ref =
epoch =May 14 ,2008
aphelion = 3.3255086
perihelion = 2.8701748
semimajor =
eccentricity = 0.0734921
period = 1991.5318957
avg_speed =
inclination = 14.37738
asc_node = 151.20732
mean_anomaly = 155.73810
arg_peri = 154.01599
satellites =
physical_characteristics = yes
dimensions =
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo = 0.0901
temperatures=
temp_name1 =
mean_temp_1 =
max_temp_1 =
temp_name2 =
max_temp_2 =
spectral_type =
abs_magnitude = 10.503631 Sigyn (1987 BV1) is a
Main-belt Asteroid discovered onJanuary 25 ,1987 byE. W. Elst atLa Silla .External links
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3631+Sigyn JPL Small-Body Database Browser on 3631 Sigyn]
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