424 Gratia

Gratia (minor planet designation: 424 Gratia) is a large Main belt asteroid.

424 Gratia

Discovery
Discovered by	Auguste Charlois
Discovery date	31 December 1896
Designations
MPC designation	(424) Gratia
Pronunciation	/ˈɡreɪʃ(i)ə/[1]
Named after	The Charites
Alternative designations	1896 DF
Minor planet category	Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	117.66 yr (42975 d)
Aphelion	3.07379 AU (459.832 Gm)
Perihelion	2.47464 AU (370.201 Gm)
Semi-major axis	2.77421 AU (415.016 Gm)
Eccentricity	0.10798
Orbital period	4.62 yr (1687.8 d)
Mean anomaly	350.256°
Mean motion	0° 12^m 47.887^s / day
Inclination	8.20911°
Longitude of ascending node	99.2454°
Argument of perihelion	331.822°
Physical characteristics
Dimensions	87.20±1.8 km
Rotation period	19.47 h (0.811 d)
Geometric albedo	0.0279±0.001
Absolute magnitude (H)	9.5

It was discovered by Auguste Charlois on 31 December 1896 in Nice.

References

1. "Gratiae". Dictionary.com Unabridged. Random House.
   "Gratian". Merriam-Webster Dictionary.
2. "424 Gratia (1896 DF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016.

External links

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