9938 Kretlow

9938 Kretlow

Orbit of 9938 Kretlow (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	W. Landgraf
Discovery date	18 May 1988
Designations
MPC designation	9938 Kretlow
Alternative names	1988 KA, 1982 VE2, 1985 QL
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	12172 days (33.33 yr)
Aphelion	2.5454872 AU (380.79947 Gm)
Perihelion	1.7344121 AU (259.46436 Gm)
Semi-major axis	2.1399496 AU (320.13190 Gm)
Eccentricity	0.1895080
Orbital period	3.13 yr (1143.4 d)
Mean anomaly	277.78349°
Mean motion	0° 18^m 53.447^s / day
Inclination	3.801314°
Longitude of ascending node	86.091439°
Argument of perihelion	223.01332°
Earth MOID	0.720184 AU (107.7380 Gm)
Jupiter MOID	2.6947 AU (403.12 Gm)
Jupiter Tisserand parameter	3.688
Physical characteristics
Dimensions	~13.5 km[2]
Geometric albedo	~0.01
Surface temp. min mean max Kelvin Celsius
Absolute magnitude (H)	14.4

9938 Kretlow is a main belt asteroid. It orbits the Sun once every 3.13 years.^[1]

Discovered on May 18, 1988 by W. Landgraf at the European Southern Observatory, it was given the provisional designation "1988 KA". It was later named "Kretlow" after Mike Kretlow, a student at the University of Siegen who studied comets and a longtime friend of the discoverer of 9938 Kretlow.^[3]

References

1. "9938 Kretlow (1988 KA)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
2. Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
3. MPC 42359 Minor Planet Center

External links

• 9938 Kretlow at the JPL Small-Body Database
  
  • Discovery · Orbit diagram · Orbital elements · Physical parameters