287 Nephthys

Minor Planet | name=287 Nephthys
discoverer=C. H. F. Peters
discovery_date=August 25, 1889
designations=
category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=352.002 Gm (2.353 AU)
perihelion=343.744 Gm (2.298 AU)
aphelion=360.26 Gm (2.408 AU)
eccentricity=0.023
period=1318.315 d (3.61 a)
inclination=10.023°
asc_node=142.493°
arg_peri=120.15°
mean_anomaly=59.725°
speed=19.42 km/s
dimensions=68.0 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation="unknown"
spectral_class=S
abs_mag=8.3
albedo="unknown"
temperature="unknown"

287 Nephthys is a large Main belt asteroid. It is classified as an S-type asteroid.

It was discovered by C. H. F. Peters on August 25, 1889 in Clinton, New York.