477 Italia

Italia
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg
Discovery date	23 August 1901
Designations
MPC designation	(477) Italia
Pronunciation	/ɪˈtæliə/
Named after	Italy
Alternative designations	1901 GR; A905 UK
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	114.61 yr (41862 d)
Aphelion	2.8698979 AU (429.33061 Gm)
Perihelion	1.9640980 AU (293.82488 Gm)
Semi-major axis	2.416998 AU (361.5778 Gm)
Eccentricity	0.1873812
Orbital period (sidereal)	3.76 yr (1372.5 d)
Mean anomaly	224.20862°
Mean motion	0° 15m 44.261s / day
Inclination	5.288912°
Longitude of ascending node	10.68098°
Argument of perihelion	322.42220°
Physical characteristics
Dimensions	22.51±1.1 km
Synodic rotation period	19.413 h (0.8089 d)
Geometric albedo	0.2769±0.028
Spectral type	T/B
Absolute magnitude (H)	10.25

Italia (minor planet designation: 477 Italia) (1901 GR) is a main-belt asteroid that was discovered on 23 August 1901 by Italian astronomer Luigi Carnera at Heidelberg.

Photometric observations of this asteroid collected in 2005 gave a provisional rotation period of 19.4189 hours and a brightness variation of about 0.2 in magnitude.^[3]

References[]

^ "Italy, Italia". Merriam-Webster Dictionary.
^ Yeomans, Donald K., "477 Italia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 9 May 2016.
^ Buchheim, Robert K. (June 2006), "Photometry of asteroids 133 Cyrene, 454 Mathesis, 477 Italia, and 2264 Sabrina", Astronomy and Astrophysics Supplement Series, vol. 33, no. 2, pp. 29–30, Bibcode:2006MPBu...33...29B.

External links[]

477 Italia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
477 Italia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters

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[1] "Italy, Italia". Merriam-Webster Dictionary.

[JPL-2] Yeomans, Donald K., "477 Italia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 9 May 2016.

[Buchheim2006-3] Buchheim, Robert K. (June 2006), "Photometry of asteroids 133 Cyrene, 454 Mathesis, 477 Italia, and 2264 Sabrina", Astronomy and Astrophysics Supplement Series, vol. 33, no. 2, pp. 29–30, Bibcode:2006MPBu...33...29B.

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