9903 Leonhardt

9903 Leonhardt

Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=9903 Leonhardt
minorplanet=yes


caption = Orbit of 9903 Leonhardt (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
discoverer = Paul Comba
discovered = July 4, 1997
mp_name = 9903 Leonhardt
alt_names = mp|1997 NA|1, mp|1976 UG|6
mp_category =
orbit_ref =
epoch = October 27, 2008
aphelion = 3.8315705 AU
perihelion = 2.3249657 AU
semimajor = 3.0782681 AU
eccentricity = 0.245011
period = 1972.6865113 d (5.40 a )
avg_speed = 16.98698062 km/s
inclination = 1.68359°
asc_node = 196.24030°
mean_anomaly = 303.78867°
arg_perihelion = 138.70838°
satellites =
physical_characteristics =yes
dimensions = ~17.8 km [cite web|url = http://www.iop.org/EJ/article/1538-3881/123/2/1056/FP206.txt?request-id=ZkkEm1jA3BGTV3i82wi7Kg|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 = ~0.01
temperatures=yes
abs_magnitude = 14.4

9903 Leonhardt is a main belt asteroid. It has an eccentricity of 0.245 and an orbital period of 5.40 years. Leonhardt has an average orbital speed of approximately 16.987 km/s and an inclination of 1.68°. [cite web | url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=9903 | title = 9903 Leonhardt (1997 NA1) | work = JPL Small-Body Database Browser | publisher = NASA/JPL | accessdate = 2008-02-07]

It was discovered in July 4, 1997 by Paul Comba at the Prescott Observatory. Originally given the provisional designation "mp|1997 NA|1", it was renamed "Leonhardt" after Gustav Leonhardt, the eminent Dutch harpsichordist, conductor and pedagogue. [MPC 34356 "Minor Planet Center"]

References


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