424 Gratia

424 Gratia is a large Main belt asteroid.

DiscoveredbyAuguste Charlois

Discoverydate31 December 1896

MPCdesignation

(424) Gratia

Pronunciation/ˈɡreɪʃ(i)ə/^[1]

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424 Gratia

Lightcurve-base 3D-model of 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 (sidereal)	4.62 yr (1687.8 d)
Mean anomaly	350.256°
Mean motion	0° 12m 47.887s / day
Inclination	8.20911°
Longitude of ascending node	99.2454°
Argument of perihelion	331.822°
Physical characteristics
Dimensions	102.565±0.644 km
Synodic rotation period	19.47 h (0.811 d)
Geometric albedo	0.0279±0.001
Absolute magnitude (H)	9.5

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It was discovered by Auguste Charlois on 31 December 1896 in Nice. It was named after the Gratiae from Greek mythology.