9945 Karinaxavier

9945 Karinaxavier

Orbit of 9945 Karinaxavier (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	E. F. Helin
Discovery date	21 May 1990
Designations
MPC designation	9945 Karinaxavier
Alternative names	1971 UU2, 1981 UL24, 1987 QT11, 1993 FH2
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	16220 days (44.41 yr)
Aphelion	2.5386150 AU (379.77140 Gm)
Perihelion	1.883063 AU (281.7022 Gm)
Semi-major axis	2.2108390 AU (330.73681 Gm)
Eccentricity	0.148259
Orbital period	3.29 yr (1200.7 d)
Mean anomaly	266.9200°
Mean motion	0° 17^m 59.371^s / day
Inclination	5.436154°
Longitude of ascending node	104.79673°
Argument of perihelion	168.38268°
Known satellites	1
Earth MOID	0.865578 AU (129.4886 Gm)
Jupiter MOID	2.55317 AU (381.949 Gm)
Jupiter Tisserand parameter	3.637
Physical characteristics
Dimensions	~23.4km[2]
Geometric albedo	~0.01
Surface temp. min mean max Kelvin Celsius
Absolute magnitude (H)	13.6

9945 Karinaxavier is a main belt asteroid. It orbits the Sun once every 3.29 years.^[1]

Discovered on May 19, 1990 by E. F. Helin working at the Palomar Observatory, it was given the provisional designation "1990 KX".^[3]

References

1. "9945 Karinaxavier (1990 KX)". 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. MPO 97227 Minor Planet Center

External links

• 9945 Karinaxavier at the JPL Small-Body Database
  
  • Discovery · Orbit diagram · Orbital elements · Physical parameters