765 Mattiaca
765 Mattiaca is a minor planet, specifically an asteroid orbiting in the asteroid belt. Photometric observations made in 2011–2012 at the Organ Mesa Observatory in Las Cruces, New Mexico produced an irregular light curve and a period of 3.4640 ± 0.0001 hours with a brightness variation of 0.09 ± 0.01 in magnitude. Mattiacum was the Latin name for the city of Wiesbaden, Germany, birthplace of the discoverer.
| Discovery | |
|---|---|
| Discovered by | Franz Kaiser |
| Discovery site | Heidelberg |
| Discovery date | 26 September 1913 |
| Designations | |
MPC designation | (765) Mattiaca |
| Pronunciation | /məˈtaɪəkə/ |
Alternative designations | 1913 SV |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 102.56 yr (37459 d) |
| Aphelion | 3.2685 AU (488.96 Gm) |
| Perihelion | 1.8258 AU (273.14 Gm) |
Semi-major axis | 2.5472 AU (381.06 Gm) |
| Eccentricity | 0.28319 |
Orbital period (sidereal) | 4.07 yr (1484.8 d) |
Mean anomaly | 87.9802° |
Mean motion | 0° 14m 32.82s / day |
| Inclination | 5.5470° |
Longitude of ascending node | 326.657° |
| 71.022° | |
| Physical characteristics | |
Synodic rotation period | 3.4640 h (0.14433 d) |
| 12.3 | |
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