(9918) 1979 MK3

(9918) 1979 MK₃

Orbit of (9918) 1979 MK3 (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	E. F. Helin & S. J. Bus
Discovery date	25 June 1979
Designations
MPC designation	(9918) 1979 MK3
Alternative names	1988 CX
Minor planet category	Main Belt asteroid
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	22276 days (60.99 yr)
Aphelion	3.5239008 AU (527.16806 Gm)
Perihelion	2.6896887 AU (402.37170 Gm)
Semi-major axis	3.1067947 AU (464.76987 Gm)
Eccentricity	0.1342561
Orbital period	5.48 yr (2000.2 d)
Mean anomaly	68.070439°
Mean motion	0° 10^m 47.945^s / day
Inclination	6.150278°
Longitude of ascending node	133.72722°
Argument of perihelion	332.60095°
Earth MOID	1.70809 AU (255.527 Gm)
Jupiter MOID	1.61167 AU (241.102 Gm)
Physical characteristics
Surface temp. min mean max Kelvin Celsius
Absolute magnitude (H)	13.2

(9918) 1979 MK₃ is a main belt asteroid. It orbits the Sun once every 5.47 years.^[2] It is associated with the Hygiea family of asteroids.^[3]

Discovered on June 25, 1979, by Eleanor Helin and Schelte Bus at the Siding Spring Observatory, it was given the provisional designation "1979 MK₃".^[4]

References

1. "JPL Small-Body Database Browser: 9918 (1979 MK3)". Jet Propulsion Laboratory. Retrieved 4 April 2016.
2. "9918 (1979 MK3)". JPL Small-Body Database Browser. NASA/JPL. Retrieved 2008-02-01.
3. Zappalà, Vincenzo; Bendjoya, Philippe; Cellino, Alberto; Farinella, Paolo; Froeschlé, Claude (1997). "Asteroid Dynamical Families.". EAR-A-5-DDR-FAMILY-V4.1. NASA Planetary Data System.
4. (9918) 1979 MK3 Minor Planet Center's Minor Planet Ephemeris Service

External links

• (9918) 1979 MK3 at the JPL Small-Body Database
  • Discovery · Orbit diagram · Orbital elements · Physical parameters