Astronomy:(230965) 2004 XA192

(230965) 2004 XA₁₉₂

Precovery image of 2004 XA192 taken by the Palomar Observatory in 1989
Discovery
Discovered by	Palomar
Discovery date	12 December 2004
Designations
Minor planet category	SDO (near or extended)
Orbital characteristics
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	9268 days (25.37 yr)
Earliest precovery date	29 August 1989
|{{{apsis}}}|helion}}	58.967 astronomical unit|AU (8.8213 Tm)
|{{{apsis}}}|helion}}	35.465 AU (5.3055 Tm)
Semi-major axis	47.216 AU (7.0634 Tm)
Eccentricity	0.24888
Orbital period	324.44 yr (118503 d)
Mean anomaly	356.376°
Mean motion	0° 0m 10.936s / day
Inclination	38.07711°
Longitude of ascending node	328.7517°
|{{{apsis}}}|helion}}	132.632°
Earth MOID	34.588 AU (5.1743 Tm)
Jupiter MOID	30.7418 AU (4.59891 Tm)
TJupiter	4.703
Physical characteristics
Dimensions	549 km 339+120 −95 km
Rotation period	7.88 h (0.328 d)
Sidereal rotation period	7.88
Geometric albedo	0.09 (assumed) 0.26+0.34 −0.15
Apparent magnitude	19.84
Absolute magnitude (H)	4.2 4.42±0.63 4.6

(230965) 2004 XA₁₉₂ is a Kuiper-belt object with a diameter of 339+120
−95 km. It has an absolute magnitude of approximately 4.42, and albedo around 26%. It was discovered on 12 December 2004 at Palomar Observatory.

It is currently at 35.8 AU from the Sun, near its perihelion.

External links

• (230965) 2004 XA192 at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters