| 词条 | 477 Italia |
| 释义 |
| minorplanet = yes | background = #D6D6D6 | name = Italia | image = | caption = | discovery_ref = | discoverer = Luigi Carnera | discovery_site = Heidelberg | discovered = 23 August 1901 | mpc_name = (477) Italia | alt_names = 1901 GR; A905 UK | named_after = Italy | mp_category = | orbit_ref = | epoch = 31 July 2016 (JD 2457600.5) | aphelion = {{Convert|2.8698979|AU|Gm|abbr=on|lk=on}} | perihelion = {{Convert|1.9640980|AU|Gm|abbr=on}} | semimajor = {{Convert|2.416998|AU|Gm|abbr=on}} | eccentricity = 0.1873812 | period = 3.76 yr (1372.5 d) | inclination = 5.288912° | asc_node = 10.68098° | mean_anomaly = 224.20862° | arg_peri = 322.42220° | satellites = | dimensions = {{val|22.51|1.1|ul=km}} | mass = | density = | albedo = {{val|0.2769|0.028}} | spectral_type = T/B | abs_magnitude = 10.25 | mean_motion = {{Deg2DMS|0.2622948|sup=ms}} / day | observation_arc = 114.61 yr (41862 d) | uncertainty = 0 | rotation = {{Convert|19.413|h|d|abbr=on|lk=on}} }} 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.[2]References1. ^1 {{Citation | last1 = Buchheim | first1 = Robert K. | title = Photometry of asteroids 133 Cyrene, 454 Mathesis, 477 Italia, and 2264 Sabrina | work = Astronomy and Astrophysics Supplement Series | volume = 33 | issue = 2 | pages = 29–30 |date=June 2006 | bibcode = 2006MPBu...33...29B | postscript= .}} [1]}} External links
8 : Background asteroids|Discoveries by Luigi Carnera|Minor planets named for places|Named minor planets|T-type asteroids|S-type asteroids (Tholen)|S-type asteroids (SMASS)|Astronomical objects discovered in 1901 |
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