Astronomy:619 Triberga

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619 Triberga
Discovery [1]
Discovered byAugust Kopff
Discovery siteHeidelberg Obs.
Discovery date22 October 1906
Designations
(619) Triberga
Named afterTriberg im Schwarzwald
1906 WC
Minor planet categoryMain belt[2]
Orbital characteristics[2][3]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc109.47 yr (39985 d)
|{{{apsis}}}|helion}}2.7084 astronomical unit|AU (405.17 Gm)
|{{{apsis}}}|helion}}2.3342 AU (349.19 Gm)
2.5213 AU (377.18 Gm)
Eccentricity0.074209
Orbital period4.00 yr (1462.3 d)
Mean anomaly188.954°
Mean motion0° 14m 46.284s / day
Inclination13.799°
Longitude of ascending node187.484°
178.250°
Physical characteristics
Mean diameter43 km
Rotation period
  • 26.311 h[2]
  • 29.37±0.06 h[4]
  • 29.412±0.003 h[5]
S[6]
Absolute magnitude (H)9.95 [7]


619 Triberga is a main belt asteroid discovered on 22 October 1906 by August Kopff at Heidelberg-Königstuhl State Observatory.[1] Since it has an orbit that repeats itself almost exactly every four years with respect to the position of the Sun and Earth, it has been suggested as a way to calculate the mass of the Moon.[8] Triberga was named for the German town of Triberg.[9]

Since it has an absolute magnitude of 9.9, it is roughly 43 km in diameter. It has an opposition apparent magnitude of 13.5.

References

  1. 1.0 1.1 "Discovery Circumstances: Numbered Minor Planets (1)–(5000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs000001.html. 
  2. 2.0 2.1 2.2 "619 Triberga (1906 WC)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=619;cad=1. 
  3. "(619) Triberga". AstDyS. Italy: University of Pisa. https://newton.spacedys.com/astdys/index.php?pc=1.1.0&n=619. 
  4. Oliver et al. (2008). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2008 March". The Minor Planet Bulletin 35 (4): 149–150. Bibcode2008MPBu...35..149O. 
  5. Pray (2006). "Lightcurve analysis of asteroids 326, 329, 426, 619, 1829, 1967, 2453, 10518 and 42267". The Minor Planet Bulletin 33 (1): 4–5. Bibcode2006MPBu...33....4P. 
  6. Neese (2005). "Asteroid Taxonomy". EAR-A-5-DDR-TAXONOMY-V5.0. Planetary Data System. http://www.psi.edu/pds/resource/taxonomy.html. 
  7. Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0.. Planetary Data System. http://www.psi.edu/pds/resource/astermag.html. 
  8. Brouwer, Dirk; Ashbrook, Joseph (1951). "The minor planet 619 Triberga and the mass of the moon". The Astronomical Journal 56 (3): 57–58. doi:10.1086/106513. Bibcode1951AJ.....56...57B. 
  9. Schmadel, Lutz (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 62. ISBN 3-540-00238-3. https://books.google.com/books?id=KWrB1jPCa8AC&pg=PA62. Retrieved 2008-12-26. 

External links