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词条 472 Roma
释义

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{{Infobox planet
| minorplanet = yes
| background = #D6D6D6
| name = 472 Roma
| image =
| caption =
| discovery_ref =
| discoverer = Luigi Carnera
| discovered = 11 July 1901
| mpc_name = (472) Roma
| alt_names = 1901 GP
| mp_category =
| orbit_ref =
| epoch = 31 July 2016 (JD 2457600.5)
| aphelion = {{Convert|2.7825|AU|Gm|abbr=on|lk=on}} (Q)
| perihelion = {{Convert|2.3049|AU|Gm|abbr=on}} (q)
| semimajor = {{Convert|2.5437|AU|Gm|abbr=on}} (a)
| eccentricity = 0.093876 (e)
| period = 4.06 yr (1481.8 d)
| inclination = 15.803° (i)
| asc_node = 127.177° (Ω)
| mean_anomaly = 14.044° (M)
| satellites =
| dimensions = {{val|47.27|3.4|ul=km}}
| mass =
| density =
| sidereal_day = {{nowrap|9.8007 ± 0.0009 h}}[4]
| albedo = {{val|0.2138|0.034}}
| spectral_type =
| magnitude =
| abs_magnitude = 8.92
| arg_peri = 295.56° (ω)
| mean_motion = {{Deg2DMS|0.24295|sup=ms}} / day (n)
| observation_arc = 114.55 yr (41838 d)
| uncertainty = 0
| rotation = {{Convert|9.8007|h|d|abbr=on|lk=on}}
}}

Roma (minor planet designation: 472 Roma) is an asteroid. It was discovered by Luigi Carnera on July 11, 1901. Its provisional name was 1901 GP. This asteroid was named by Antonio Abetti for the city of Rome in Italy, the

native country of its discoverer.[7]

At 21:57 UT, on Thursday, July 8, 2010, this 50 km wide asteroid occulted the star Delta Ophiuchi in an event lasting about five seconds. The occultation path crossed central Europe along a band that ran through Stockholm, Copenhagen, Bremen, Nantes and Bilbao.

This is a member of the dynamic Maria family of asteroids that were probably formed as the result of a collisional breakup of a parent body.[8]

References

1. ^{{cite journal | title=Rotation periods and lightcurve photometry of 322 Phaeo and 472 Roma | author=Sheridan, Edwin E. | journal=The Minor Planet Bulletin | issn=1052-8091 | volume=30 | issue=2 | page=28 | year=2003 | bibcode=2003MPBu...30...28S }}
2. ^{{cite book | first=Lutz D. | last=Schmadel | title=Dictionary of minor planet names | series=Physics and astronomy online library | edition=5th | publisher=Springer | year=2003 | isbn=3-540-00238-3 | page=52 }}
3. ^{{Citation | last1 = Veeder | first1 = G. J. | last2 = Matson | first2 = D. L. | last3 = Owensby | first3 = P. D. | last4 = Gradie | first4 = J. C. | last5 = Bell | first5 = J. F. | last6 = Tedesco | first6 = E. F. | display-authors = 1 | title = Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry | work = Icarus | volume = 114 | pages = 186–196 |date=March 1995 | doi = 10.1006/icar.1995.1053 | bibcode = 1995Icar..114..186V | citeseerx = 10.1.1.31.2739 | accessdate= | postscript= .| url= https://trs.jpl.nasa.gov/bitstream/2014/29296/1/95-0212.pdf }}
[1][2][3]
}}

External links

  • {{JPL small body}}
{{Minor planets navigator|471 Papagena|number=472|473 Nolli}}{{Small Solar System bodies}}{{DEFAULTSORT:000472}}{{Beltasteroid-stub}}

6 : Maria asteroids|Discoveries by Luigi Carnera|Minor planets named for places|Named minor planets|S-type asteroids (Tholen)|Astronomical objects discovered in 1901

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