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 the goddess, Nephthys in Egyptian mythology.[4] It is classified as an S-type asteroid.
Discovery | |
---|---|
Discovered by | C. H. F. Peters |
Discovery date | 25 August 1889 |
Designations | |
(287) Nephthys | |
Pronunciation | /ˈnɛfθɪs/[1] |
Named after | Nephthys |
A889 PB | |
Main belt | |
Orbital characteristics[2] | |
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) | |
125.74° | |
0° 16m 23.016s / day | |
Inclination | 10.034° |
142.381° | |
2022-Jul-13 | |
121.02° | |
Physical characteristics | |
Dimensions | 67.60±1.4 km |
7.605 h (0.3169 d) | |
0.1851±0.008 | |
S | |
8.30,[2] 8.26[3] | |
References
edit- ^ Noah Webster (1884) A Practical Dictionary of the English Language
- ^ a b Yeomans, Donald K., "287 Nephthys", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 11 May 2016.
- ^ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", The Minor Planet Bulletin, vol. 34, pp. 113–119, Bibcode:2007MPBu...34..113W.
- ^ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names (PDF), Springer, p. 38, ISBN 3642297188
External links
edit- 287 Nephthys at AstDyS-2, Asteroids—Dynamic Site
- 287 Nephthys at the JPL Small-Body Database