287 Nephthys

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287 Nephthys
Discovery
Discovered by C. H. F. Peters
Discovery date 25 August 1889
Designations
Named after
Nephthys
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 119.35 yr (43594 d)
Aphelion 2.4080 AU (360.23 Gm)
Perihelion 2.29814 AU (343.797 Gm)
2.3531 AU (352.02 Gm)
Eccentricity 0.023344
3.61 yr (1318.4 d)
19.42 km/s
125.74°
0° 16m 23.016s / day
Inclination 10.034°
142.381°
121.02°
Earth MOID 1.29505 AU (193.737 Gm)
Jupiter MOID 2.61483 AU (391.173 Gm)
Jupiter Tisserand parameter 3.535
Physical characteristics
Dimensions 67.60±1.4 km
7.605 h (0.3169 d)
0.1851±0.008
S
8.30,[1] 8.26[2]

287 Nephthys is a large Main belt asteroid that was discovered by German-American astronomer C. H. F. Peters on August 25, 1889 in Clinton, New York and named after Nephthys in Egyptian mythology.[3] It is classified as an S-type asteroid.

References[edit]

  1. ^ a b Yeomans, Donald K., "287 Nephthys", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 11 May 2016. 
  2. ^ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, 34, pp. 113–119, Bibcode:2007MPBu...34..113W. 
  3. ^ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names, Springer, p. 38, ISBN 3642297188. 

External links[edit]