FACTOID # 115: American planes take-off a staggering 8.5 million times per year - almost half the number of take-offs worldwide.
 
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Encyclopedia > 101 Helena
101 Helena
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Orbit type Main belt
Semimajor axis 2.583 AU
Perihelion distance 2.218 AU
Aphelion distance 2.947 AU
Orbital period 4.15 years
Inclination 10.20°
Eccentricity 0.141
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Diameter 65.8 km
Rotation period 23.08 hours
Spectral class S
Abs. magnitude 8.33
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) 0.190
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
Discoverer J. C. Watson, 1868


101 Helena is a fairly large, rocky Main belt asteroid.


It was discovered by J. C. Watson on August 15, 1868.



  Results from FactBites:
 
101 (number) - Wikipedia, the free encyclopedia (693 words)
101 is the sum of five consecutive primes (13 + 17 + 19 + 23 + 29).
On the seven-segment display of a calculator, 101 is both a strobogrammatic prime and a dihedral prime.
In mineralogy, a Miller index of 101 is a crystal face that crosses the horizontal axis (a) and 3d vertical axis (c) but does not cross the 2d vertical axis (b).
Printable Version (1063 words)
ANACONDA — The Helena Reps' hitting attack was just a tad more potent than Anaconda's Saturday as they swept the A's in an American Legion Central A Conference doubleheader at Washoe Park.
Helena had 10 hits in the second game and Anaconda belted nine.
Helena Firefighters won their ninth game of the season, with a record of 9-2.
  More results at FactBites »


 
 

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