Alternative names 1907 YJ Aphelion 3.0226 AU (452.17 Gm) Discovered 21 March 1907 Asteroid group Asteroid belt | Discovery date 21 March 1907 Observation arc 109.08 yr (39842 d) Perihelion 2.5641 AU (383.58 Gm) Inclination 18.917° | |
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Similar 625 Xenia, 528 Rezia, 509 Iolanda, 679 Pax, 540 Rosamunde | ||
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. In 2007 lightcurve data showed that it rotates every 5.899 ± 0.001 hours.
References
631 Philippina Wikipedia(Text) CC BY-SA