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{{Use dmy dates|date=October 2019}}
<div style="float: right; text-align: center;">
{{Infobox planet
'''654 Zelinda'''
| minorplanet= yes
{| width="280" style="border-color: #999999; border-style: solid; border-width: 1px;"
| background= #D6D6D6
! bgcolor="#ffffcc" colspan="2" | Name
| name= 654 Zelinda
|-
| mpc_name= (654) Zelinda
| '''Name'''
| alt_names= 1908 BM
| Zelinda
| discoverer= [[August Kopff]]
|-
| discovered= 4 January 1908
| '''Designation'''
| discovery_site= [[Heidelberg]]
| 1908 BM
| epoch= 31 July 2016 ([[Julian day|JD]] 2457600.5)
|-
| eccentricity= 0.23150
! bgcolor="#ffffcc" colspan="2" | Discovery
| semimajor= {{Convert|2.2970|AU|Gm|abbr=on}}
|-
| perihelion= {{Convert|1.7653|AU|Gm|abbr=on}}
| width="140" | '''Discoverer'''
| aphelion= {{Convert|2.8288|AU|Gm|abbr=on|lk=on}}
| [[August Kopff]]
| period= 3.48 [[Julian year (astronomy)|yr]] (1271.6 [[Julian year (astronomy)|d]])
|-
| inclination= 18.125°
| '''Discovery date'''
| asc_node= 278.460°
| January 4, 1908
| arg_peri= 214.008°
|-
| mean_anomaly= 51.9052[[Degree (angle)|°]]
| '''Discovery site'''
| dimensions=
| [[Heidelberg]]
| mean_radius= {{val|63.70|1.95}} [[Kilometre|km]]<ref name="jpldata" /><br/>63.915 ± 2.615 km<ref name="Carry2012"/>
|-
| mass= {{nowrap|(1.35 ± 0.14) × 10<sup>18</sup> kg<ref name="Carry2012"/>}}
! bgcolor="#ffffcc" colspan="2" | Orbital elements
| density= 1.23 ± 0.19 g/cm<sup>3</sup><ref name="Carry2012"/>
|-
| mean_motion= {{Deg2DMS|0.28311|sup=ms}} / day
| colspan="2" align="center" | <small>[[Epoch (astronomy)|Epoch]] October 10, 1999 ([[Julian day|JDCT]] 2451461.5)</small>
| orbit_ref= <ref name="jpldata">{{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=654;cad=1 |title=654 Zelinda (1908 BM) |work=[[JPL Small-Body Database]] |publisher=[[NASA]]/[[Jet Propulsion Laboratory]] |access-date=7 May 2016}}</ref>
|-
| observation_arc= 108.29 yr (39553 d)
| '''[[Eccentricity (orbit)|Eccentricity]] ''(e)'''''
| uncertainty= 0
| 0.232
| abs_magnitude= 8.52
|-
| rotation= {{Convert|31.735|h|d|abbr=on|lk=on}}
| '''[[Semimajor axis]] ''(a)'''''
| albedo= {{val|0.0425|0.003}}
| 2.297 [[Astronomical unit|AU]]
}}
|-
| '''[[Perihelion]] ''(q)'''''
| 1.765 [[Astronomical unit|AU]]
|-
| '''[[Aphelion]] ''(Q)'''''
| 2.829 [[Astronomical unit|AU]]
|-
| '''[[Orbital period]] ''(P)'''''
| 3.481 [[Julian year (astronomy)|a]]
|-
| '''[[Inclination]] ''(i)'''''
| 18.118°
|-
| '''[[Longitude of the ascending node]] ''(Ω)'''''
| 278.612°
|-
| '''[[Argument of Perihelion]] ''(ω)'''''
| 214.078°
|-
| '''[[Mean anomaly]] ''(M)'''''
| 113.367°
|}
</div>


'''654 Zelinda''' is a [[minor planet]] orbiting the [[Sun]].
'''654 Zelinda''' is a [[minor planet]] orbiting the [[Sun]] that was discovered on 4 January 1908 by German astronomer [[August Kopff]]. On favorable oppositions, it can be as bright as magnitude 10.0, as on January 30, 2016.

In 1988, this object was detected with [[radar]] from the [[Arecibo Observatory]] at a distance of 0.89 [[Astronomical unit|AU]]. The measured [[radar cross-section]] was 2,200&nbsp;km<sup>2</sup>.<ref name="Ostro1991"/> Measurements made using the [[adaptive optics]] system at the [[W. M. Keck Observatory]] give a diameter estimate of 131&nbsp;km. This is 13% smaller than the diameter estimated from the [[IRAS]] observatory measurements. It is roughly triangular in shape.<ref name="Marchis2006"/>

==References==
{{Reflist|refs=
<ref name="Marchis2006">{{Citation
| first1 = F.
| last1 = Marchis
| first2 = M.
| last2 = Kaasalainen
| first3 = E. F. Y.
| last3 = Hom
| first4 = J.
| last4 = Berthier
| first5 = J.
| last5 = Enriquez
| first6 = D.
| last6 = Hestroffer
| first7 = D.
| last7 = Le Mignant
| first8 = I.
| last8 = de Pater
| display-authors = 1
| title = Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey
| work = Icarus
| volume = 185
| issue = 1
| pages = 39–63
| date=November 2006
| access-date= 2013-03-27
| url = http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006Icar..185...39M&link_type=EJOURNAL&db_key=AST&high=
| bibcode = 2006Icar..185...39M
| doi = 10.1016/j.icarus.2006.06.001
| postscript= .
| pmid=19081813
| pmc=2600456
}}</ref>

<ref name="Ostro1991">{{Citation
| last1 = Ostro
| first1 = S. J.
| last2 = Jurgens
| first2 = R. F.
| last3 = Rosema
| first3 = K. D.
| last4 = Winkler
| first4 = R.
| last5 = Yeomans
| first5 = D. K.
| last6 = Campbell
| first6 = D. B.
| last7 = Chandler
| first7 = J. F.
| last8 = Shapiro
| first8 = I. I.
| last9 = Hine
| first9 = A. A.
| last10 = Velez
| first10 = R.
| display-authors = 1
| title = Asteroid radar astrometry
| work = Astronomical Journal
| volume = 102
| pages = 1490–1502
|date=October 1991
| bibcode = 1991AJ....102.1490O
| doi = 10.1086/115975
| postscript= .
}}</ref>

<ref name="Carry2012">{{Citation
| first1 = B.
| last1 = Carry
| title = Density of asteroids
| work = Planetary and Space Science
| volume = 73
| pages = 98–118
|date=December 2012
| doi = 10.1016/j.pss.2012.03.009
| bibcode = 2012P&SS...73...98C
| postscript= .
|arxiv = 1203.4336 }} See Table 1.</ref>

}} <!-- end of reflist -->


==External links==
==External links==
* [http://www.minorplanetobserver.com/pdolc/A654_2007.HTM Lightcurve plot of 654 Zelinda], Palmer Divide Observatory, ''[[Brian D. Warner|B. D. Warner]]'' (2007)
* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info] {{Webarchive|url=https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html |date=16 December 2017 }})
* [https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
* [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
* [https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
* {{AstDys|654}}
* {{JPL small body}}


{{MinorPlanets Navigator|653 Berenike|655 Briseïs}}
{{Minor planets navigator |653 Berenike |number=654 |655 Briseïs}}
{{Small Solar System bodies}}
{{Small Solar System bodies}}
{{Authority control}}


{{DEFAULTSORT:Zelinda}}
{{DEFAULTSORT:000654}}
[[Category:Main Belt asteroids]]
[[Category:Background asteroids]]
[[Category:Discoveries by August Kopff]]
[[Category:Discoveries by August Kopff|Zelinda]]
[[Category:Asteroids named for people]]
[[Category:Named minor planets|Zelinda]]
[[Category:Astronomical objects discovered in 1908]]
[[Category:C-type asteroids (Tholen)]]
[[Category:Ch-type asteroids (SMASS)]]
[[Category:Astronomical objects discovered in 1908|19080104]]




{{beltasteroid-stub}}
{{beltasteroid-stub}}

[[de:(654) Zelinda]]
[[es:(654) Zelinda]]
[[eu:654 Zelinda]]
[[fa:سیارک ۶۵۴]]
[[fr:(654) Zelinda]]
[[it:654 Zelinda]]
[[la:654 Zelinda]]
[[hu:654 Zelinda]]
[[ja:ツェリンダ (小惑星)]]
[[no:654 Zelinda]]
[[nn:654 Zelinda]]
[[pl:654 Zelinda]]
[[pt:654 Zelinda]]
[[sk:654 Zelinda]]
[[sr:654 Zelinda]]
[[tl:654 Zelinda]]
[[vi:654 Zelinda]]

Latest revision as of 16:27, 23 December 2023

654 Zelinda
Discovery
Discovered byAugust Kopff
Discovery siteHeidelberg
Discovery date4 January 1908
Designations
(654) Zelinda
1908 BM
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc108.29 yr (39553 d)
Aphelion2.8288 AU (423.18 Gm)
Perihelion1.7653 AU (264.09 Gm)
2.2970 AU (343.63 Gm)
Eccentricity0.23150
3.48 yr (1271.6 d)
51.9052°
0° 16m 59.196s / day
Inclination18.125°
278.460°
214.008°
Physical characteristics
63.70±1.95 km[1]
63.915 ± 2.615 km[2]
Mass(1.35 ± 0.14) × 1018 kg[2]
Mean density
1.23 ± 0.19 g/cm3[2]
31.735 h (1.3223 d)
0.0425±0.003
8.52

654 Zelinda is a minor planet orbiting the Sun that was discovered on 4 January 1908 by German astronomer August Kopff. On favorable oppositions, it can be as bright as magnitude 10.0, as on January 30, 2016.

In 1988, this object was detected with radar from the Arecibo Observatory at a distance of 0.89 AU. The measured radar cross-section was 2,200 km2.[3] Measurements made using the adaptive optics system at the W. M. Keck Observatory give a diameter estimate of 131 km. This is 13% smaller than the diameter estimated from the IRAS observatory measurements. It is roughly triangular in shape.[4]

References

[edit]
  1. ^ a b "654 Zelinda (1908 BM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 7 May 2016.
  2. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
  3. ^ Ostro, S. J.; et al. (October 1991), "Asteroid radar astrometry", Astronomical Journal, vol. 102, pp. 1490–1502, Bibcode:1991AJ....102.1490O, doi:10.1086/115975.
  4. ^ Marchis, F.; et al. (November 2006), "Shape, size and multiplicity of main-belt asteroids. I. Keck Adaptive Optics survey", Icarus, vol. 185, no. 1, pp. 39–63, Bibcode:2006Icar..185...39M, doi:10.1016/j.icarus.2006.06.001, PMC 2600456, PMID 19081813, retrieved 27 March 2013.
[edit]


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