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Nereid: Facts & Figures
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Discovered By
G. Kuiper
Date of Discovery
1949
Orbit Size Around Neptune (semi-major axis)
Metric: 5,513,818 km
English: 3,426,128 miles
Periapsis (closest)
Metric: 1,374,595 km
Apoapsis (farthest)
Metric: 9,653,041 km
Orbit Circumference
Metric: 29,067,053.44 km
Average Orbit Velocity
Metric: 3,363.0 km/h
Orbit Eccentricity
0.7507
Orbit Inclination
7.09 degrees
Mean Radius
Metric: 170 km
Equatorial Circumference
Metric: 1,068.1 km
Volume
Metric: 20,579,526 km3
Mass
Metric: 30,872,569,721,802,200,000 kg
Scientific Notation: 3.0873 x 1019 kg
Density
Metric: 1.5 g/cm3
Surface Area
Metric: 363,168.11 km2
Surface Gravity
Metric: 0.071 m/s2
Escape Velocity
Metric: 560 km/h
English: 348 mph
Scientific Notation: 156 m/s

Additional Information:

References:
1. Kuiper, G. P. Publs Astr. Soc. Pacif. 61, 175-176 (1949).
2. Cruikshank, D. P. NASA Conf. 2330: Uranus and Neptune (ed. Bergstralh, J. T.) 425436 (NASA, Washington, 1984).
3. Veillet, C. Astr. Astrophys. 112, 277-280 (1982).
4. Mink, D. J. & Klemola, A. Astr. J. 90, 1894-1899 (1985).
5. Nicholson, P. D., McLeod, B. A., Gilmore, G., Buie, M. W. & Matthews, K. Astr. J. 95, 562575 (1988). | Article |
6. Stetson, P. B. Publs Astr. Soc. Pacif. 99, 191-222 (1987).
7. Rose, L. E. Astr. J. 79, 489-490 (1974).
8. Graham, J. A. Astr. J. 94, 244-265 (1982).
9. Thomas, P., Veverka, J. & Dermott, S. in Satellites (ed. Burns, J. A. & Matthews, M. S.) 802835 (University of Arizona Press, Tucson, 1980).
10. Degewij, J., Cruikshank, D. P. & Hartmann, W. K. Icarus 44, 541-547 (1980).
11. Tedesco, E. F. in Asteroids (ed. Gehrels, T.) 10981107 (University of Arizona Press, Tucson, 1979).
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Last Updated: 12 Aug 2013