631 Philippina

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631 Philippina
Discovery
Discovered by August Kopff
Discovery site Heidelberg
Discovery date March 21, 1907
Designations
Alternative names 1907 YJ
Orbital characteristics[1]
Epoch August 18, 2005 (JDCT 2453600.5)
Aphelion 3.030 AU
Perihelion 2.553 AU
Semi-major axis 2.791 AU
Eccentricity 0.085
Orbital period 4.664 a
Mean anomaly 91.067°
Inclination 18.932°
Longitude of ascending node 224.786°
Argument of perihelion 279.337°

    631 Philippina is a minor planet orbiting the Sun that was discovered by German astronomer August Kopff on March 21, 1907.

    Photometric of this asteroid made in 1981 gave a light curve with a period of 5.92 ± 0.01 hours with a brightness variation of 0.20 in magnitude.[2] In 2007 lightcurve data showed that it rotates every 5.899 ± 0.001 hours.[3]

    See also

    References

    1. ↑ Yeomans, Donald K., "631 Philippina", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-30. 
    2. ↑ Schober, H. J. (July 1983), "The large C-type asteroids 146 Lucina and 410 Chloris, and the small S-type asteroids 152 Atala and 631 Philippina - Rotation periods and lightcurves", Astronomy and Astrophysics Supplement Series 53: 71-75, Bibcode:1983A&AS...53...71S. 
    3. ↑ Buchheim, Robert K. - Lightcurves for 122 Gerda, 217 Eudora, 631 Phillipina, 670 Ottegebe, and 972 Cohnia (2007)

    External links

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