Gratia (minor planet designation: 424 Gratia) is a large Main belt asteroid.
Discovery | |
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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 | 87.20±1.8 km |
Synodic 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. It was named after the Gratiae from Greek mythology.
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