205 Martha

Infobox Planet | discovery=yes | physical_characteristics = yes | bgcolour=#FFFFC0 | name=205 Martha
discoverer=Johann Palisa
discovered=October 13, 1879
alt_names="n/a"
mp_category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=415.458 Gm (2.777 AU)
perihelion=400.314 Gm (2.676 AU)
aphelion=430.602 Gm (2.878 AU)
eccentricity=0.036
period=1690.412 d (4.63 a)
inclination=10.695°
asc_node=212.069°
arg_peri=171.423°
mean_anomaly=29.923°
avg_speed=17.87 km/s
dimensions=81.0 km
mass="unknown"
density="unknown"
surface_grav="unknown"
escape_velocity="unknown"
rotation=9.637 h
spectral_type=C
abs_magnitude=9.23
albedo=0.054
single_temperature="unknown"

205 Martha is a large Main belt asteroid. It is a dark, primitive carbonaceous C-type asteroid.

It was discovered by Johann Palisa on October 13, 1879 in Pola and was named after Martha, a woman in the New Testament.

References

* [ftp://ftp.lowell.edu/pub/elgb/astorb.html The Asteroid Orbital Elements Database]
* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html Minor Planet Discovery Circumstances]
* [http://www.psi.edu/pds/archive/lc.html Asteroid Lightcurve Parameters]
* [http://www.psi.edu/pds/archive/albedo.html Asteroid Albedo Compilation]