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.[3] Mattiacum was the Latin name for the city of Wiesbaden, Germany, birthplace of the discoverer.[4]

765 Mattiaca
Discovery
Discovered byFranz Kaiser
Discovery siteHeidelberg
Discovery date26 September 1913
Designations
(765) Mattiaca
Pronunciation/məˈtəkə/[1]
1913 SV
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc102.56 yr (37459 d)
Aphelion3.2685 AU (488.96 Gm)
Perihelion1.8258 AU (273.14 Gm)
2.5472 AU (381.06 Gm)
Eccentricity0.28319
4.07 yr (1484.8 d)
87.9802°
0° 14m 32.82s / day
Inclination5.5470°
326.657°
71.022°
Physical characteristics
3.4640 h (0.14433 d)
12.3

References

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  1. ^ 'Mattiacum' in Noah Webster (1884) A Practical Dictionary of the English Language
  2. ^ "765 Mattiaca (1913 SV)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
  3. ^ Pilcher, Frederick (July 2012), "Rotation Period Determinations for 46 Hestia, 223 Rosa, 225 Henrietta, 266 Aline, 750 Oskar, and 765 Mattiaca", The Minor Planet Bulletin, vol. 39, no. 3, pp. 171–173, Bibcode:2012MPBu...39..171P.
  4. ^ Schmadel, Lutz D., Dictionary of Minor Planet Names, Fourth Edition, page 116
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