NationMaster - Encyclopedia: 147 Protogeneia

**147 Protogeneia**
Orbital characteristics ^{1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)}
Orbit type	Main belt
Semimajor axis	3.136 AU
Perihelion distance	3.029 AU
Aphelion distance	3.243 AU
Orbital period	5.55 years
Inclination	1.93�
Eccentricity	0.034
Physical characteristics ^{1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)}
Diameter	132.9 km
Spectral class	C
Abs. magnitude	8.27
Albedo ^{4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html)}	0.053
History ^{2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)}
Discoverer	L. Schulhof, 1875

147 Protogeneia is a large main belt asteroid. It has a dark surface and probably a primitive composition of carbonates.

It was discovered by Lip�t Schulhof on July 10, 1875, his only asteroid discovery. It is named after Protogeneia, one of the daughters of King Erechtheus in Greek mythology.

There is one reported stellar occultation by Protogeneia, on May 28, 2002 from Texas.

This article is a stub. You can help Wikipedia by expanding it (http://en.wikipedia.org/w/index.php?title=147_Protogeneia&action=edit).

Categories: Stub | Main Belt asteroids

Results from FactBites:

147 Protogeneia - Wikipedia, the free encyclopedia (142 words)
	147 Protogeneia is a large main belt asteroid.
	It is named after Protogeneia, one of the daughters of King Erechtheus in Greek mythology.
	There is one reported stellar occultation by Protogeneia, on May 28, 2002 from Texas.

RASNZ Occultation Section - Protogeneia Occultation Update (623 words)
	OCCULTATION BY (147) PROTOGENEIA - 2003 SEP 10
	On 2003 Sep 10 UT, the 132 km diameter asteroid (147) Protogeneia will occult a 9.8 mag star in the constellation Aquarius for observers along a path across Nicaragua and eastern Australia.
	In the case of an occultation, the combined light of the asteroid and the star will drop by 3.4 mag to 13.1 mag (the magnitude of the asteroid) for at most 17.3 seconds.

More results at FactBites »

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