25000 Astrometria

25000 Astrometria
Discovery[1]
Discovered by Paul G. Comba
Discovery site Prescott Observatory
Discovery date July 28, 1998
Designations
MPC designation 25000
Named after Astrometry
Alternate name(s) 1998 OW5
Minor planet
category
Main belt [2]
Epoch November 30, 2008
Ap 3.4752 AU
Peri 2.8561 AU
Semi-major axis 3.16566 AU
Eccentricity 0.097771
Orbital period 2057.28 days (5.63 years)
Mean anomaly 114.333°
Inclination 14.974°
Longitude of ascending node 142.314°
Argument of peri 6.642°
Physical characteristics
Dimensions 22.77 kilometres (14.15 mi) ± 1.8 kilometres (1.1 mi)
Mean diameter[4]
Albedo 0.0311 ± 0.006 [4]
Absolute magnitude (H) 12.6 [5]

25000 Astrometria (1998 OW5) is a main-belt asteroid discovered on July 28, 1998 by Paul G. Comba at Prescott Observatory.[1] It is named after the technique of astrometry which is used to discover many minor planets.[6]

References

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (20001)-(25000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs020001.html. Retrieved January 7, 2009. 
  2. ^ "25000 Astrometria (1998 OW5)". JPL Small-Body Database. Jet Propulsion Laboratory. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=25000+Astrometria. Retrieved January 8, 2009. 
  3. ^ "(25000) Astrometria". AstDyS. Italy: University of Pisa. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.0&n=25000. Retrieved January 8, 2009. 
  4. ^ a b Tedesco et al. (2004). "Supplemental IRAS Minor Planet Survey (SIMPS)". IRAS-A-FPA-3-RDR-IMPS-V6.0. Planetary Data System. http://www.psi.edu/pds/resource/imps.html. Retrieved January 7, 2009. 
  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 January 7, 2009. 
  6. ^ Schmadel, Lutz (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 876. ISBN 3-540-00238-3. http://books.google.com/books?id=KWrB1jPCa8AC&pg=PA876. Retrieved January 8, 2009.