1148 Rarahu

1148 Rarahu ^[1]

A three-dimensional model of 1148 Rarahu based on its light curve.
Discovery
Discovered by	Alexander Nikolaevich Deutsch
Discovery date	5 July 1929
Orbital characteristics [1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	86.77 yr (31693 days)
Aphelion	3.3518948 AU (501.43632 Gm)
Perihelion	2.6858377 AU (401.79560 Gm)
Semi-major axis	3.0188663 AU (451.61597 Gm)
Eccentricity	0.1103158
Orbital period	5.25 yr (1915.9 d)
Mean anomaly	203.69203°
Mean motion	0° 11^m 16.458^s / day
Inclination	10.84531°
Longitude of ascending node	145.52970°
Argument of perihelion	174.33219°
Earth MOID	1.67273 AU (250.237 Gm)
Jupiter MOID	1.96773 AU (294.368 Gm)
Jupiter Tisserand parameter	3.211
Physical characteristics
Mean radius	16.615±1.45 km
Rotation period	6.5447 h (0.27270 d)
Geometric albedo	0.1393±0.028
Spectral type	S   (Tholen) K   (SSMASSII)
Absolute magnitude (H)	10.15

1148 Rarahu is a main belt asteroid orbiting the Sun. Approximately 33 kilometers in diameter, it makes a revolution around the Sun once every 5 years. It completes one rotation once every 6 hours. It was discovered by Alexander Nikolaevich Deutsch on July 5, 1929.^[1] On July 28, it was independently discovered by Cyril V. Jackson and H.E. Wood in Johannesburg, South Africa. Rarahu is the Tahitian name for a girl, taken from the novel Le mariage de Loti (Loti's Marriage) by Louis Marie Julien Viaud, a.k.a. Pierre Loti.The asteroid's provisional name was 1929 NA.^[2]

References

1. "JPL Small-Body Database Browser". Retrieved 1 May 2016.
2. Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3.

External links

• 1148 Rarahu at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters