7345 Happer

Happer

Discovery
Discovered by	McNaught, R. H.
Discovery site	Siding Spring
Discovery date	28 July 1992
Designations
MPC designation	7345
Alternative names	1992 OF
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	9986 days (27.34 yr)
Aphelion	3.2447034 AU (485.40072 Gm)
Perihelion	1.6569616 AU (247.87793 Gm)
Semi-major axis	2.450833 AU (366.6394 Gm)
Eccentricity	0.3239189
Orbital period	3.84 yr (1401.4 d)
Mean anomaly	33.20361°
Mean motion	0° 15^m 24.775^s / day
Inclination	3.678884°
Longitude of ascending node	68.39701°
Argument of perihelion	281.17637°
Earth MOID	0.654043 AU (97.8434 Gm)
Jupiter MOID	2.18757 AU (327.256 Gm)
Jupiter Tisserand parameter	3.419
Physical characteristics
Absolute magnitude (H)	14.7

7345 Happer (1992 OF) is a Mars-crossing asteroid discovered on July 28, 1992, by Robert H. McNaught at Siding Spring.^[2] It is named after Felix Happer, the character played by Burt Lancaster in the film Local Hero, who wanted to find a comet to be named after him.^[2]

References

1. "7345 Happer (1992 OF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
2. Schmadel, Lutz D.; International Astronomical Union (2003). Dictionary of minor planet names. Berlin; New York: Springer-Verlag. p. 592. ISBN 978-3-540-00238-3. Retrieved 29 July 2012.

External links

• JPL Small-Body Database Browser on 7345 Happer
• 7345 Happer at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters