4923 Clarke

4923 Clarke
Discovery

Discovered by	Schelte J. Bus
Discovery date	2 March 1981
Designations
Named after	Arthur C. Clarke
Alternative names	1981 EO₂₇
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	15630 days (42.79 yr)
Aphelion	2.5769535 AU (385.50676 Gm)
Perihelion	1.7130659 AU (256.27101 Gm)
Semi-major axis	2.1450097 AU (320.88888 Gm)
Eccentricity	0.2013715
Orbital period	3.14 yr (1147.5 d)
Average orbital speed	0.31368764 degree/d
Mean anomaly	296.59370°
Mean motion	0° 18^m 49.439^s / day
Inclination	6.675685°
Longitude of ascending node	188.51060°
Argument of perihelion	108.64215°
Earth MOID	0.710431 AU (106.2790 Gm)
Jupiter MOID	2.64727 AU (396.026 Gm)
Jupiter Tisserand parameter	3.675
Physical characteristics
Rotation period	3.1787 h (0.13245 d)
Spectral type	S
Absolute magnitude (H)	14.3

4923 Clarke is an asteroid. It was discovered on March 2, 1981 by Schelte J. Bus who also discovered 5020 Asimov on the same day. It orbits within the main asteroid belt.†

The asteroid is named after the science fiction writer Arthur C. Clarke, author of 2001: A Space Odyssey. In the postscript to his novel 3001: The Final Odyssey, Clarke jokingly expresses disappointment that he did not receive asteroid 2001 as his namesake, instead it was named for Albert Einstein.

References

↑ "4923 Clarke (1981 EO27)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.

External links

JPL data sheet
Data concerning 4923 Clarke
4923 Clarke at the JPL Small-Body Database

Discovery · Orbit diagram · Orbital elements · Physical parameters

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