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词条 329 Svea
释义

  1. References

  2. External links

{{Infobox planet
| minorplanet=yes
| background=#D6D6D6
| name=329 Svea
| discoverer=Max Wolf
| discovered=21 March 1892
| mpc_name=(329) Svea
| alt_names=
| named_after=Sweden
| mp_category=Main belt
| epoch=31 July 2016 (JD 2457600.5)
| semimajor={{Convert|2.47715|AU|Gm|abbr=on}}
| perihelion={{Convert|2.41427|AU|Gm|abbr=on}}
| aphelion={{Convert|2.54003|AU|Gm|abbr=on|lk=on}}
| eccentricity=0.025383
| period=3.90 yr (1424.1 d)
| inclination=15.8826°
| asc_node=178.489°
| arg_peri=54.9542°
| mean_anomaly=283.525°
| dimensions={{val|77.80|1.4|ul=km}}
| mass=
| density=
| rotation={{Convert|22.778|h|d|abbr=on|lk=on}}[1]
{{nowrap|22.6 ± 0.01 hours}}
| spectral_type=C
| abs_magnitude=9.6
| albedo={{val|0.0399|0.001}}
| mean_motion={{Deg2DMS|0.252799|sup=ms}} / day
| orbit_ref=[1]
| observation_arc=124.07 yr (45316 d)
| uncertainty=0
}}Svea (minor planet designation: 329 Svea) is an asteroid from the asteroid belt and the namesake of the small Svea family, approximately {{convert|81|km|mi|abbr=off|sp=us}} in diameter. The C-type asteroid and is probably composed of carbonaceous material.[2]

It was discovered by Max Wolf on 21 March 1892 in Heidelberg.[3]

The light curve of 329 Svea shows a periodicity of {{nowrap|22.6 ± 0.01 hours}}, during which time the brightness of the object varies by {{nowrap|0.10 ± 0.03}} in magnitude.

References

1. ^{{Cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=329;cad=1 |title=329 Svea |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=11 May 2016}}
2. ^{{cite journal |last=Burbine |first=Thomas H |title=Could G-class asteroids be the parent bodies of the CM chondrites? |journal=Meteoritics & Planetary Science |volume=33 |number=2 |issn=1945-5100 |doi=10.1111/j.1945-5100.1998.tb01630.x |pages=253–258 |year=1998 |bibcode = 1998M&PS...33..253B }}
3. ^{{cite book|last=Hughes|first=Stefan|title=Catchers of the Light: The Forgotten Lives of the Men and Women Who First Photographed the Heavens|url=https://books.google.com/books?id=iZk5OOf7fVYC&pg=PA444|accessdate=10 June 2016|volume=1|year=2012|publisher=ArtDeCiel Publishing|isbn=978-1-62050-961-6|page=444|bibcode=2015JAHH...18..327O| oclc=859270626}}

}}

External links

  • {{AstDys|329}}
  • {{JPL small body}}
{{Minor planets navigator |328 Gudrun |number=329 |330 Adalberta}}{{Small Solar System bodies}}{{DEFAULTSORT:Svea}}{{C-beltasteroid-stub}}

6 : Svea asteroids|Discoveries by Max Wolf|Minor planets named for places|Named minor planets|C-type asteroids (Tholen)|Astronomical objects discovered in 1892

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