Astronomy:503 Evelyn

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Short description: Main-belt asteroid
503 Evelyn
Discovery
Discovered byRaymond Smith Dugan
Discovery siteHeidelberg
Discovery date19 January 1903
Designations
(503) Evelyn
1903 LF
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc113.24 yr (41362 d)
|{{{apsis}}}|helion}}3.2031 astronomical unit|AU (479.18 Gm)
|{{{apsis}}}|helion}}2.2418 AU (335.37 Gm)
2.7225 AU (407.28 Gm)
Eccentricity0.17655
Orbital period4.49 yr (1640.7 d)
Mean anomaly98.1577°
Mean motion0° 13m 9.876s / day
Inclination5.0103°
Longitude of ascending node68.903°
42.058°
Physical characteristics
Dimensions87.58 ± 3.58 km[2]
81.68±4.9 km[1]
Mass(2.85 ± 0.34) × 1018 kg[2]
Mean density8.10 ± 1.38 g/cm3[2]
Rotation period38.728 h (1.6137 d)
Geometric albedo0.0585±0.008
Absolute magnitude (H)9.3


Evelyn (minor planet designation: 503 Evelyn) is a main belt asteroid discovered by Raymond Smith Dugan on 19 January 1903. The asteroid was named after Evelyn Smith Dugan, mother of the discoverer.

References

  1. ↑ 1.0 1.1 "503 Evelyn (1903 LF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=503;cad=1. 
  2. ↑ 2.0 2.1 2.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: pp. 98–118, doi:10.1016/j.pss.2012.03.009, Bibcode: 2012P&SS...73...98C.  See Table 1.