557 Violetta

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557 Violetta
Discovery
Discovered by M. F. Wolf
Discovery site Heidelberg
Discovery date January 26, 1905
Designations
1905 PY
Orbital characteristics[1]
Epoch August 18, 2005 (JDCT 2453600.5)
Aphelion 2.689 AU
Perihelion 2.195 AU
2.442 AU
Eccentricity 0.101
3.816 a
127.890°
Inclination 2.496°
293.094°
194.239°
Physical characteristics
5.0887[2] h

557 Violetta is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on January 26, 1905 in Heidelberg.

Photometric observations of this asteroid made during 2008 at the Organ Mesa Observatory in Las Cruces, New Mexico gave a light curve with a period of 5.0887 ± 0.0001 hours and a brightness variation of 0.25 ± 0.03 in magnitude.[2]

References[edit]

  1. ^ Yeomans, Donald K., "557 Violetta", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-30. 
  2. ^ a b Pilcher, Frederick (September 2008), "Period Determinations for 26 Proserpina, 34 Circe 74 Galatea, 143 Adria, 272 Antonia, 419 Aurelia, and 557 Violetta", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers 35 (3): 135–138, Bibcode:2008MPBu...35..135P. 

External links[edit]