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742 Edisona

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742 Edisona
Discovery
Discovered byFranz Kaiser
Discovery siteHeidelberg
Discovery date23 February 1913
Designations
(742) Edisona
1913 QU
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc102.98 yr (37,612 d)
Aphelion3.3678 AU (503.82 Gm)
Perihelion2.6535 AU (396.96 Gm)
3.0107 AU (450.39 Gm)
Eccentricity0.11862
5.22 yr (1,908.1 d)
65.177°
0° 11m 19.212s / day
Inclination11.219°
64.214°
284.294°
Earth MOID1.67537 AU (250.632 Gm)
Jupiter MOID2.11567 AU (316.500 Gm)
TJupiter3.210
Physical characteristics
22.80±1.75 km
18.52 h (0.772 d)
0.1286±0.022
9.55

742 Edisona is a minor planet, specifically an asteroid orbiting in the asteroid belt that was discovered by German astronomer Franz Kaiser on February 23, 1913. It was named for inventor Thomas Edison.[2] This asteroid is orbiting 3.01 AU with a period of 5.22 years and an eccentricity of 0.119. The orbital plane is inclined at an angle of 11.2° to the plane of the ecliptic.[1] This is a member of the dynamic Eos family of asteroids that most likely formed as the result of a collisional breakup of a parent body.[3]

Photometric observations made during 2008 were used to produce a light curve of 742 Edisona showing a rotation period of 18.52±0.01 with a brightness variation of 0.30±0.01 in magnitude.[4] It spans a girth of approximately 45.6 km.[1]

References

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  1. ^ a b c Yeomans, Donald K., "742 Edisona", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
  2. ^ Schmadel, Lutz D. (2013), Dictionary of Minor Planet Names, Springer Berlin Heidelberg, p. 113, ISBN 9783662028049.
  3. ^ Veeder, G. J.; et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry" (PDF), Icarus, 114: 186–196, Bibcode:1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi:10.1006/icar.1995.1053.
  4. ^ Brinsfield, James W. (October 2008), "Asteroid Lightcurve Analysis at the Via Capote Observatory: 2nd Quarter 2008", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers, 35 (4): 179–181, Bibcode:2008MPBu...35..179B.
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