3428 Roberts

3428 Roberts
Discovery[1]
Discovered by Indiana Asteroid Program
Discovery site Goethe Link Observatory
Discovery date May 01, 1952
Designations
MPC designation 3428
Named after Walter Orr Roberts
Alternate name(s) 1952 JH
Minor planet
category		 Main belt [2]
Epoch November 30, 2008
Ap 3.1007 AU
Peri 2.2273 AU
Semi-major axis 2.66397 AU
Eccentricity 0.163923
Orbital period 1588.15 days (4.35 years)
Mean anomaly 53.91°
Inclination 8.841°
Longitude of ascending node 231.251°
Argument of peri 301.619°
Physical characteristics
Rotation period 3.278 ± 0.001 hours [4]
Absolute magnitude (H) 12.0 [5]

3428 Roberts (1952 JH) is a main-belt asteroid discovered on May 1, 1952 by the Indiana Asteroid Program at Goethe Link Observatory.[1] Named in honor of Walter Orr Roberts founding director of the National Center for Atmospheric Research.[6]

References

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs000001.html. Retrieved December 30, 2008. 
  2. ^ "3428 Roberts (1952 JH)". JPL Small-Body Database. Jet Propulsion Laboratory. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3428+Roberts. Retrieved December 31, 2008. 
  3. ^ "(3428) Roberts". AstDyS. Italy: University of Pisa. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.0&n=3428. Retrieved 31 December 2008. 
  4. ^ Oliver et al. (2008). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2008 March". The Minor Planet Bulletin 35 (4): 149–150. Bibcode 2008MPBu...35..149O. 
  5. ^ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0.. Planetary Data System. http://www.psi.edu/pds/resource/astermag.html. Retrieved December 30, 2008. 
  6. ^ Schmadel, Lutz; International Astronomical Union (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 286. ISBN 978-3-540-00238-3. http://books.google.com/?id=KWrB1jPCa8AC. Retrieved 2008-12-31. 
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