623 Chimaera

623 Chimaera

Discovery
Discovered by	K. Lohnert
Discovery site	Heidelberg
Discovery date	22 January 1907
Designations
MPC designation	(623) Chimaera
Pronunciation	/kaɪˈmɪərə/[1]
Named after	Chimera
Alternative designations	1907 XJ
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	106.49 yr (38896 d)
Aphelion	2.7396 AU (409.84 Gm)
Perihelion	2.1819 AU (326.41 Gm)
Semi-major axis	2.4607 AU (368.12 Gm)
Eccentricity	0.11331
Orbital period	3.86 yr (1409.9 d)
Mean anomaly	186.178°
Mean motion	0° 15^m 19.224^s / day
Inclination	14.127°
Longitude of ascending node	308.337°
Argument of perihelion	124.416°
Physical characteristics
Mean radius	22.045±0.5 km
Rotation period	14.635 h (0.6098 d)
Geometric albedo	0.0372±0.002
Absolute magnitude (H)	10.97

623 Chimaera is a minor planet orbiting the Sun.

References

1. "Chimaera". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (Subscription or UK public library membership required.)
2. "623 Chimaera (1907 XJ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

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