718 Erida

718 Erida is a minor planet orbiting the Sun named for Erida Leuschner, daughter of astronomer Armin Otto Leuschner.[2]

718 Erida

Discovery
Discovered by	J. Palisa
Discovery site	Vienna Obs.
Discovery date	29 September 1911
Designations
MPC designation	(718) Erida
Alternative designations	1911 MS
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	113.31 yr (41388 d)
Aphelion	3.6666 AU (548.52 Gm)
Perihelion	2.4451 AU (365.78 Gm)
Semi-major axis	3.0559 AU (457.16 Gm)
Eccentricity	0.19985
Orbital period	5.34 yr (1951.2 d)
Mean anomaly	5.10173°
Mean motion	0° 11^m 4.2^s / day
Inclination	6.9294°
Longitude of ascending node	38.538°
Argument of perihelion	174.377°
Physical characteristics
Mean radius	36.47±2.45 km
Rotation period	17.447 h (0.7270 d)
Geometric albedo	0.0399±0.006
Absolute magnitude (H)	9.6

References

1. "718 Erida (1911 MS)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
2. Schmadel, Lutz D. (2007). "(718) Erida". Dictionary of Minor Planet Names – (718) Erida. Springer Berlin Heidelberg. p. 69. doi:10.1007/978-3-540-29925-7_719. ISBN 978-3-540-00238-3.

External links

• 718 Erida at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 718 Erida at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters