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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
2026 Cottrell , provisional designation 1955 FF , is a dark asteroid from the inner regions of the asteroid belt , approximately 12 kilometers in diameter.
The asteroid was discovered on 30 March 1955, by IU Indiana Asteroid Program at Goethe Link Observatory near Brooklyn, Indiana, United States.[12] Frederick Gardner Cottrell .[2]
Orbit and classification [ edit ]
Cottrell orbits the Sun in the inner main-belt at a distance of 2.2–2.7 AU eccentricity of 0.12 and an inclination of 2° with respect to the ecliptic .[1]
In March 1951, the asteroid was identified as 1951 EL1 at Nice Observatory and two days later at McDonald Observatory , extending the body's observation arc by four years prior to its official discovery observation at Goethe Link.[12]
Physical characteristics [ edit ]
Lightcurves [ edit ]
Two rotational lightcurve of Cottrell were obtained from photometric observations by astronomers at the Palomar Transient Factory in California. Analysis gave an identical rotation period of 4.499 hours for both lightcurves and a brightness variation of 0.42 and 0.44 magnitude , respectively (U=2/2 [9]
In February 2012, photometry at the Etscorn Campus Observatory (719 U=3 [10]
Diameter and albedo [ edit ]
According to the surveys carried out by the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Cottrell measures between 11.43 and 14.279 kilometers in diameter and its surface has an albedo between 0.050 and 0.088.[4] [5] [6] [7] [8]
The Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and consequently calculates a much smaller diameter of 7.46 kilometers based on an absolute magnitude of 13.0.[3]
This minor planet was named after American chemist Frederick Gardner Cottrell (1877–1948), who was a benefactor of the minor planet program at the discovering Goethe Link Observatory.[2] naming citation was published by the Minor Planet Center on 1 November 1978 (M.P.C. 4547[13]
References [ edit ]
^ a b c Schmadel, Lutz D. (2007). "(2026) Cottrell". Dictionary of Minor Planet Names – (2026) Cottrell . Springer Berlin Heidelberg . p. 164. doi :10.1007/978-3-540-29925-7_2027 . ISBN 978-3-540-00238-3
^ a b c d e f "LCDB Data for (2026) Cottrell" . Asteroid Lightcurve Database (LCDB). Retrieved 3 July 2017 .
^ a b c d Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos" . The Astronomical Journal . 152 (3 ): 12. arXiv :1606.08923 Bibcode :2016AJ....152...63N . doi :10.3847/0004-6256/152/3/63
^ a b c d Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan . 63 5 ): 1117–1138. Bibcode :2011PASJ...63.1117U . doi :10.1093/pasj/63.5.1117 . online , AcuA catalog p. 153 )
^ a b c d Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids" . The Astrophysical Journal Letters . 759 (1 ): 5. arXiv :1209.5794 Bibcode :2012ApJ...759L...8M . doi :10.1088/2041-8205/759/1/L8 . S2CID 46350317 . Retrieved 3 July 2017 .
^ a b c d Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal . 741 (2 ): 25. arXiv :1109.6407 Bibcode :2011ApJ...741...90M . doi :10.1088/0004-637X/741/2/90 . S2CID 35447010 .
^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters" . The Astrophysical Journal . 741 (2 ): 20. arXiv :1109.4096 Bibcode :2011ApJ...741...68M . doi :10.1088/0004-637X/741/2/68 . S2CID 118745497 . Retrieved 3 July 2017 .
^ a b c d 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 . S2CID 8342929 . Retrieved 3 July 2017 .
^ a b Klinglesmith, Daniel A., III (July 2012). "Asteroid Lightcurve Analysis at the Etscorn Campus Observatory for January and February 2012" . The Minor Planet Bulletin . 39 3 ): 109–110. Bibcode :2012MPBu...39..109K . ISSN 1052-8091 . Retrieved 3 July 2017 . {{cite journal }}: CS1 maint: numeric names: authors list (link )
^ 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 . S2CID 53493339 . Retrieved 3 July 2017 .
^ a b "2026 Cottrell (1955 FF)" . Minor Planet Center . Retrieved 3 July 2017 .
^ Schmadel, Lutz D. (2009). "Appendix – Publication Dates of the MPCs". Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008) 221 . doi :10.1007/978-3-642-01965-4 . ISBN 978-3-642-01964-7
External links [ edit ]
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=2026_Cottrell&oldid=1191634291 " C a t e g o r i e s : ● M i n o r p l a n e t o b j e c t a r t i c l e s ( n u m b e r e d ) ● B a c k g r o u n d a s t e r o i d s ● D i s c o v e r i e s b y I n d i a n a U n i v e r s i t y ( I n d i a n a A s t e r o i d P r o g r a m ) ● N a m e d m i n o r p l a n e t s ● A s t r o n o m i c a l o b j e c t s d i s c o v e r e d i n 1 9 5 5 H i d d e n c a t e g o r i e s : ● C S 1 m a i n t : n u m e r i c n a m e s : a u t h o r s l i s t ● U s e d m y d a t e s f r o m O c t o b e r 2 0 1 9 ● W e b a r c h i v e t e m p l a t e w a y b a c k l i n k s ● A r t i c l e s w i t h J P L S B D B i d e n t i f i e r s ● A r t i c l e s w i t h M P C i d e n t i f i e r s
● T h i s p a g e w a s l a s t e d i t e d o n 2 4 D e c e m b e r 2 0 2 3 , a t 1 9 : 0 2 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
