3225 Hoag

Hoag

Discovery
Discovered by	Carolyn and Eugene Shoemaker[1]
Discovery date	20 August 1982[1]
Designations
MPC designation	3225 Hoag
Named after	Arthur Hoag
Alternative names	1982 QQ; 1977 RN7; 1977 SY2
Minor planet category	main belt
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	13895 days (38.04 yr)
Aphelion	1.97960 AU (296.144 Gm)
Perihelion	1.77996 AU (266.278 Gm)
Semi-major axis	1.87978 AU (281.211 Gm)
Eccentricity	0.0531023
Orbital period	2.58 yr (941.37 d)
Average orbital speed	21.72394894 km/s
Mean anomaly	350.880°
Mean motion	0° 22^m 56.723^s / day
Inclination	25.0625°
Longitude of ascending node	188.86132°
Argument of perihelion	138.22063°
Earth MOID	0.794812 AU (118.9022 Gm)
Jupiter MOID	3.14545 AU (470.553 Gm)
Jupiter Tisserand parameter	3.855
Physical characteristics
Dimensions	12.8×12.8×12.8 km
Equatorial radius	6.4 km[2]
Rotation period	2.3717 h (0.09882 d)
Absolute magnitude (H)	13.2[1]

3225 Hoag is an inner main belt asteroid^[1] of 1.780 AU. It is a member of the Hungaria family.^[2] It has an eccentricity of 0.0530553 and an orbital period of ~941 days (2.58 years). Hoag has an average orbital speed of 21.72394894 km/s and an inclination of 25.0581°. The asteroid was discovered at the Palomar Observatory on August 20, 1982 by Carolyn and Eugene Shoemaker. It is named after the American astronomer Arthur Allen Hoag. Its Provisional designation was 1982 QQ.

References

1. Yeomans, Donald K. (2007-12-07). "3225 Hoag". JPL Small-Body Database Browser. Retrieved 14 April 2016.—The listed values were rounded at the magnitude of uncertainty (1-sigma).
2. Spratt, Christopher E. (April 1990). "The Hungaria group of minor planets". Journal of the Royal Astronomical Society of Canada 84 (2): 123–131. Bibcode:1990JRASC..84..123S. ISSN 0035-872X.

External links

• JPL Small-Body Database Browser
• 3225 Hoag at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters