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| mp_name = 6267 Rozhen | mp_name = 6267 Rozhen
| alt_names = {{mp|1987 SO|9}}{{·}}1971 SP<br />{{mp|1979 BR|2}} | alt_names = {{mp|1987 SO|9}}{{·}}1971 SP<br />{{mp|1979 BR|2}}
| named_after = ]<br />{{small|(discovering observatory)}}<ref name="springer" /> | named_after = ]<br />{{small|(discovering&nbsp;observatory)}}<ref name="springer" />
| mp_category = ]{{·}}]&thinsp;<ref name="lcdb" /> | mp_category = ]{{·}}]&thinsp;<ref name="lcdb" />
| orbit_ref = &thinsp;<ref name="jpldata" /> | orbit_ref = &thinsp;<ref name="jpldata" />
| epoch = 27 June 2015 (] 2457200.5) | epoch = 31 July 2016 (] 2457600.5)
| uncertainty = 0 | uncertainty = 0
| observation_arc = {{nowrap|64.53 yr (23,570 days)&nbsp;&nbsp;}} | observation_arc = {{nowrap|64.53 yr (23,570 days)}}
| aphelion = 2.3586 ] | aphelion = 2.3584 ]
| perihelion = 1.9656 AU | perihelion = 1.9661 AU
| semimajor = 2.1621 AU | semimajor = 2.1622 AU
| eccentricity = 0.0908 | eccentricity = 0.0907
| period = 3.18 ] (1,161 days) | period = 3.18 ] (1,161 days)
| mean_anomaly = 184.55] | mean_anomaly = 308.52]
| inclination = 2.1033° | mean_motion = {{Deg2DMS|0.3100|sup=ms}} / day
| asc_node = 136.74° | inclination = 2.1034°
| arg_peri = 315.51° | asc_node = 136.75°
| arg_peri = 315.53°
| dimensions = 3.02 km {{small|(calculated)}}<ref name="lcdb" /> | dimensions = 3.02 km {{small|(calculated)}}<ref name="lcdb" />
| rotation = {{val|3.9847|0.0007}} ]<ref name="Waszczak-2015" /><br />{{val|3.980|0.020}} h<ref name="Chang-2015" /> | rotation = {{val|3.980|0.020}} ]<ref name="Chang-2015" /><br />{{val|3.9847|0.0007}} h<ref name="Waszczak-2016" />
| albedo = 0.24 {{small|(assumed)}}<ref name="lcdb" /> | albedo = 0.24 {{small|(assumed)}}<ref name="lcdb" />
| spectral_type = ]&thinsp;<ref name="lcdb" /> | spectral_type = ]&thinsp;<ref name="lcdb" />
| abs_magnitude = {{val|14.270|0.120}} {{small|(R)}}<ref name="Chang-2015" /><br />14.3<ref name="jpldata" /><br />{{val|14.316|0.001}} {{small|(R)}}<ref name="Waszczak-2016" /><br />14.77<ref name="lcdb" /><br />{{val|14.79|0.28}}<ref name="Veres-2015" />
| abs_magnitude = 14.3<ref name="jpldata" />
}} }}


'''6267 Rozhen''', provisional designation {{mp|1987 SO|9}}, is a stony ] from the inner regions of the ], about 3 kilometers in diameter. It was discovered by Belgian astronomer ] at ] near Smoljan, Bulgaria, on 20 September 1987.<ref name="MPC-Rozhen" /> For four days, between 27 and 31 January 2005, it was briefly and erroneously renamed '''6267 Smolyan'''.<ref name="errata" /> '''6267 Rozhen''', provisional designation {{mp|1987 SO|9}}, is a stony Flora ] from the inner regions of the ], approximately 3 kilometers in diameter. It was discovered on 20 September 1987, by Belgian astronomer ] at ] near Smoljan, Bulgaria.<ref name="MPC-Rozhen" /> For four days, between 27 and 31 January 2005, the body was briefly and erroneously renamed '''6267 Smolyan'''.<ref name="errata" />


The ] asteroid is a member of the ], one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 2.0–2.4&nbsp;] once every 3 years and 2 months (1,161 days). Its orbit shows an ] of 0.09 and an ] of 2 degrees from the plane of the ].<ref name="jpldata" /> The ] asteroid is a member of the ], one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 2.0–2.4&nbsp;] once every 3 years and 2 months (1,161 days). Its orbit has an ] of 0.09 and an ] of 2] with respect to the plane of the ].<ref name="jpldata" /> The first ] was taken at ] in 1949, extending the asteroid's ] by 38 years prior to its discovery.<ref name="MPC-Rozhen" />


In 2014, two photometric ] analysis at the U.S. ], California, rendered a ] of {{val|3.9847|0.0007}} and {{val|3.980|0.020}} hours with a brightness amplitude of 0.14 and 0.12 in ] ({{small|1=U=]}}), respectively,<ref name="Waszczak-2015" /><ref name="Chang-2015" /> while the ''Collaborative Asteroid Lightcurve Link'' assumes an ] of 0.24, a typical value for asteroids with a stony surface composition, and identical to the albedo of the Flora family's namesake, the asteroid ].<ref name="lcdb" /> In January 2014, two rotational ]s for this asteroid were obtained from photometric observations at the U.S. ], California. They rendered a ] of {{val|3.9847|0.0007}} and {{val|3.980|0.020}} hours with a brightness variation of 0.14 and 0.12 in ] ({{small|]}}), respectively.<ref name="Chang-2015" /><ref name="Waszczak-2016" /> The ''Collaborative Asteroid Lightcurve Link'' assumes an ] of 0.24, derived from the Flora family's largest member and namesake, the asteroid ], and calculates a diameter of 3.0 kilometers, based on an absolute magnitude of 14.77.<ref name="lcdb" />


The minor planet was named after the discovering ''Rozhen Observatory'', also known as the ], that has been established at Rozhen in 1981. It is located not far from the city of ], close to the Greek border. At 1700 m altitude, the observatory profits from excellent instrumental and observational possibilities. In 1986 intensive searches for new minor planets were initiated there.<ref name="springer" /> The minor planet was named after the discovering ''Rozhen Observatory'', also known as the ], that has been established at Rozhen in 1981. It is located near the city of ] and in proximity to the border with Greece. At 1700 meters above sea leavel, the observatory benefits from superb instrumental and observational conditions. An exhaustive survey for the discovery of minor planets was launched at Rozhen in 1986.<ref name="springer" /> Naming citation was published on 20 November 2002 ({{small|] 47163}}).<ref name="MPC-Circulars-Archive" />


== References == == References ==
Line 46: Line 47:


<ref name="errata">{{cite web <ref name="errata">{{cite web
|title = Major News about Minor Planets
|url=http://www.hohmanntransfer.com/mn/0502/stak4.htm
|work = hohmanntransfer.com
|title=Major News about Minor Planets
|date = 28 February 2005
|work=hohmanntransfer.com
|url = http://www.hohmanntransfer.com/mn/0502/stak4.htm
|date=28 February 2005
|accessdate=January 2016}}</ref> |accessdate = January 2016}}</ref>

<ref name="lcdb">{{cite web
|title=LCDB Data for (6267) Rozhen
|publisher=Asteroid Lightcurve Database (LCDB)
|url=http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=6267%7CRozhen
|accessdate=January 2016}}</ref>


<ref name="jpldata">{{cite web <ref name="jpldata">{{cite web
|type=2014-06-05 last obs. |type = 2014-06-05 last obs.
|title=JPL Small-Body Database Browser: 6267 Rozhen (1987 SO9) |title = JPL Small-Body Database Browser: 6267 Rozhen (1987 SO9)
|url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2006267 |url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2006267
|publisher=Jet Propulsion Laboratory |publisher = Jet Propulsion Laboratory
|accessdate=January 2016}}</ref> |accessdate = July 2016}}</ref>


<ref name="springer">{{cite book <ref name="springer">{{cite book
|title = Dictionary of Minor Planet Names – (6267) Rozhen
|url=http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_5763
|last = Schmadel | first = Lutz D.
|title=Dictionary of Minor Planet Names – (6267) Rozhen
|publisher = Springer Berlin Heidelberg
|last=Schmadel |first=Lutz D.
|page = 522
|publisher=Springer Berlin Heidelberg
|date = 2007
|page=522
|url = http://link.springer.com/referenceworkentry/10.1007/978-3-540-29925-7_5763
|date=2007
|isbn=978-3-540-00238-3 |isbn = 978-3-540-00238-3
|accessdate=January 2016}}</ref> |accessdate = July 2016}}</ref>


<ref name="MPC-Rozhen">{{cite web <ref name="MPC-Rozhen">{{cite web
|title=6267 Rozhen (1987 SO9) |title = 6267 Rozhen (1987 SO9)
|work=Minor Planet Center |work = Minor Planet Center
|url=http://www.minorplanetcenter.net/db_search/show_object?object_id=6267 |url = http://www.minorplanetcenter.net/db_search/show_object?object_id=6267
|accessdate=January 2016}}</ref> |accessdate = July 2016}}</ref>


<ref name="Waszczak-2015">{{cite journal <ref name="MPC-Circulars-Archive">{{cite web
|title = MPC/MPO/MPS Archive
|display-authors = 6
|first1 = Adam |last1 = Waszczak |work = Minor Planet Center
|url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|first2 = Chan-Kao |last2 = Chang
|accessdate = July 2016}}</ref>
|first3 = Eran O. |last3 = Ofek

|first4 = Russ |last4 = Laher
<ref name="lcdb">{{cite web
|first5 = Frank |last5 = Masci
|first6 = David |last6 = Levitan |title = LCDB Data for (6267) Rozhen
|publisher = Asteroid Lightcurve Database (LCDB)
|first7 = Jason |last7 = Surace
|url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=6267%7CRozhen
|first8 = Yu-Chi |last8 = Cheng
|accessdate = July 2016}}</ref>
|first9 = Wing-Huen |last9 = Ip
|first10 = Daisuke |last10 = Kinoshita
|first11 = George |last11 = Helou
|first12 = Thomas A. |last12 = Prince
|first13 = Shrinivas |last13 = Kulkarni
|date = September 2015
|title = Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015AJ....150...75W
|journal = The Astronomical Journal
|volume = 150
|issue = 3
|page = 35
|bibcode = 2015AJ....150...75W
|doi = 10.1088/0004-6256/150/3/75
|access-date= January 2016|arxiv = 1504.04041 }}</ref>


<ref name="Chang-2015">{{cite journal <ref name="Chang-2015">{{cite journal
Line 131: Line 112:
|bibcode = 2015ApJS..219...27C |bibcode = 2015ApJS..219...27C
|doi = 10.1088/0067-0049/219/2/27 |doi = 10.1088/0067-0049/219/2/27
|access-date= January 2016|arxiv = 1506.08493 }}</ref> |arxiv = 1506.08493
|access-date= July 2016}}</ref>

<ref name="Waszczak-2016">{{cite journal
|display-authors = 6
|first1 = Adam |last1 = Waszczak
|first2 = Chan-Kao |last2 = Chang
|first3 = Eran O. |last3 = Ofek
|first4 = Russ |last4 = Laher
|first5 = Frank |last5 = Masci
|first6 = David |last6 = Levitan
|first7 = Jason |last7 = Surace
|first8 = Yu-Chi |last8 = Cheng
|first9 = Wing-Huen |last9 = Ip
|first10 = Daisuke |last10 = Kinoshita
|first11 = George |last11 = Helou
|first12 = Thomas A. |last12 = Prince
|first13 = Shrinivas |last13 = Kulkarni
|date = September 2015
|title = Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015AJ....150...75W
|journal = The Astronomical Journal
|volume = 150
|issue = 3
|page = 35
|bibcode = 2015AJ....150...75W
|doi = 10.1088/0004-6256/150/3/75
|arxiv = 1504.04041
|access-date= July 2016}}</ref>

<ref name="Veres-2015">{{cite journal
|display-authors = 6
|first1 = Peter |last1 = Veres
|first2 = Robert |last2 = Jedicke
|first3 = Alan |last3 = Fitzsimmons
|first4 = Larry |last4 = Denneau
|first5 = Mikael |last5 = Granvik
|first6 = Bryce |last6 = Bolin
|first7 = Serge |last7 = Chastel
|first8 = Richard J. |last8 = Wainscoat
|first9 = William S. |last9 = Burgett
|first10 = Kenneth C. |last10 = Chambers
|first11 = Heather |last11 = Flewelling
|first12 = Nick |last12 = Kaiser
|first13 = Eugen A. |last13 = Magnier
|first14 = Jeff S. |last14 = Morgan
|first15 = Paul A. |last15 = Price
|first16 = John L. |last16 = Tonry
|first17 = Christopher |last17 = Waters
|date = November 2015
|title = Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V
|journal = Icarus
|volume = 261
|pages = 34–47
|bibcode = 2015Icar..261...34V
|doi = 10.1016/j.icarus.2015.08.007
|arxiv = 1506.00762
|access-date= July 2016}}</ref>


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


== External links == == External links ==
* *
* , query form () * , query form ()
* , Google books * , Google books
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] ]
] ]
] ]
] ]


{{Beltasteroid-stub}}

Revision as of 20:23, 4 July 2016

6267 Rozhen
Discovery 
Discovered byE. W. Elst
Discovery siteRozhen Obs.
Discovery date20 September 1987
Designations
MPC designation6267 Rozhen
Named afterRozhen Observatory
(discovering observatory)
Alternative designations1987 SO9 · 1971 SP
1979 BR2
Minor planet categorymain-belt · Flora 
Orbital characteristics 
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc64.53 yr (23,570 days)
Aphelion2.3584 AU
Perihelion1.9661 AU
Semi-major axis2.1622 AU
Eccentricity0.0907
Orbital period (sidereal)3.18 yr (1,161 days)
Mean anomaly308.52°
Mean motion0° 18 36 / day
Inclination2.1034°
Longitude of ascending node136.75°
Argument of perihelion315.53°
Physical characteristics
Dimensions3.02 km (calculated)
Synodic rotation period3.980±0.020 h
3.9847±0.0007 h
Geometric albedo0.24 (assumed)
Spectral typeS 
Absolute magnitude (H)14.270±0.120 (R)
14.3
14.316±0.001 (R)
14.77
14.79±0.28

6267 Rozhen, provisional designation 1987 SO9, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 3 kilometers in diameter. It was discovered on 20 September 1987, by Belgian astronomer Eric Elst at Rozhen Observatory near Smoljan, Bulgaria. For four days, between 27 and 31 January 2005, the body was briefly and erroneously renamed 6267 Smolyan.

The S-type asteroid is a member of the Flora family, one of the largest groups of stony asteroids in the main-belt. It orbits the Sun at a distance of 2.0–2.4 AU once every 3 years and 2 months (1,161 days). Its orbit has an eccentricity of 0.09 and an inclination of 2° with respect to the plane of the ecliptic. The first precovery was taken at Palomar Observatory in 1949, extending the asteroid's observation arc by 38 years prior to its discovery.

In January 2014, two rotational light-curves for this asteroid were obtained from photometric observations at the U.S. Palomar Transient Factory, California. They rendered a rotation period of 3.9847±0.0007 and 3.980±0.020 hours with a brightness variation of 0.14 and 0.12 in magnitude (U=2/2), respectively. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24, derived from the Flora family's largest member and namesake, the asteroid 8 Flora, and calculates a diameter of 3.0 kilometers, based on an absolute magnitude of 14.77.

The minor planet was named after the discovering Rozhen Observatory, also known as the Bulgarian National Astronomical Observatory, that has been established at Rozhen in 1981. It is located near the city of Smoljan and in proximity to the border with Greece. At 1700 meters above sea leavel, the observatory benefits from superb instrumental and observational conditions. An exhaustive survey for the discovery of minor planets was launched at Rozhen in 1986. Naming citation was published on 20 November 2002 (M.P.C. 47163).

References

  1. ^ "JPL Small-Body Database Browser: 6267 Rozhen (1987 SO9)" (2014-06-05 last obs.). Jet Propulsion Laboratory. Retrieved July 2016. {{cite web}}: Check date values in: |accessdate= (help)
  2. ^ Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (6267) Rozhen. Springer Berlin Heidelberg. p. 522. ISBN 978-3-540-00238-3. Retrieved July 2016. {{cite book}}: Check date values in: |accessdate= (help)
  3. ^ "LCDB Data for (6267) Rozhen". Asteroid Lightcurve Database (LCDB). Retrieved July 2016. {{cite web}}: Check date values in: |accessdate= (help)
  4. ^ Chang, Chan-Kao; Ip, Wing-Huen; Lin, Hsing-Wen; Cheng, Yu-Chi; Ngeow, Chow-Choong; Yang, Ting-Chang; et al. (August 2015). "Asteroid Spin-rate Study Using the Intermediate Palomar Transient Factory". The Astrophysical Journal Supplement Series. 219 (2): 19. arXiv:1506.08493. Bibcode:2015ApJS..219...27C. doi:10.1088/0067-0049/219/2/27. Retrieved July 2016. {{cite journal}}: Check date values in: |access-date= (help)
  5. ^ Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv:1504.04041. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved July 2016. {{cite journal}}: Check date values in: |access-date= (help)
  6. Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. Retrieved July 2016. {{cite journal}}: Check date values in: |access-date= (help)
  7. ^ "6267 Rozhen (1987 SO9)". Minor Planet Center. Retrieved July 2016. {{cite web}}: Check date values in: |accessdate= (help)
  8. "Major News about Minor Planets". hohmanntransfer.com. 28 February 2005. Retrieved January 2016. {{cite web}}: Check date values in: |accessdate= (help)
  9. "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved July 2016. {{cite web}}: Check date values in: |accessdate= (help)

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