(9923) 1981 EB24

Infobox Planet
minorplanet = yes
width = 25em
bgcolour = #FFFFC0
apsis =
name = mp|(9923) 1981 EB|24
symbol =


caption = Orbit of mp|9923) 1981 EB|24 (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
discovery = yes
discovery_ref =
discoverer = S. J. Bus
discovered = March 7, 1981
designations = yes
mp_name = mp|(9923) 1981 EB|24
alt_names =
mp_category =
orbit_ref =
epoch = October 27, 2007
aphelion = 3.0133656 AU
perihelion = 2.6090116 AU
semimajor = 2.8111886 AU
eccentricity = 0.0719187
period = 1721.6045010 d
avg_speed =
inclination = 4.40647°
asc_node = 12.37704°
mean_anomaly = 305.23901°
arg_peri = 81.79311°
satellites =
physical_characteristics = yes
dimensions = 19.22 km [cite web|url = http://www.iop.org/EJ/article/1538-3881/123/2/1056/FP203.txt?request-id=PLXvUH_P3BGGbFMI3Ai7Kg|title = The supplemental IRAS minor planet survey (SIMPS)|author = Tedesco E.F., Noah P.V., Noah M., Price S.D.]
mass =
density =
surface_grav =
escape_velocity =
sidereal_day =
axial_tilt =
pole_ecliptic_lat =
pole_ecliptic_lon =
albedo = ~0.003
temperatures=yes
temp_name1 = Kelvin
mean_temp_1 =
max_temp_1 =
temp_name2 = Celsius
max_temp_2 =
spectral_type = S-type asteroid [cite web|url = http://people.roma2.infn.it/~masi/sdss_smass/|title = Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog|author = Gianluca Masi, Sergio Foglia & Richard P. Binzel]
abs_magnitude = 14.1

mp|(9923) 1981 EB|24 is an S-type main belt asteroid. It orbits the Sun every 4.71 years. [cite web|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9923|title = 9923 (1981 EB24)|work = JPL Small-Body Database Browser|publisher = JPL/NASA] It is associated with the Liberatrix family of asteroids. [cite web|url = http://www.psi.edu/pds/resource/family.html|author = Zappala, V., Ph. Bendjoya, A. Cellino, P. Farinella, and C. Froeschle|title = Asteroid Dynamical Families.|work = EAR-A-5-DDR-FAMILY-V4.1|publisher = NASA Planetary Data System|date = 1997]

Discovered on March 7, 1981 by Schelte Bus at the Siding Spring Observatory, it was given the provisional designation "mp|1981 EB|24". [(9923) 1981 EB24 "Minor Planet Center's Minor Planet Ephemeris Service"]

References