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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
2708 Burns (prov. designation 1981 WT ) is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt , approximately 19 kilometers (12 miles) in diameter. It was discovered on 24 November 1981, by American astronomer Edward Bowell at the Anderson Mesa Station near Flagstaff, Arizona, in the United States. It was named after American planetary scientist Joseph A. Burns .[1] B-type asteroid has a rotation period of 5.3 hours.[3]
Orbit and classification
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Burns is a Themistian asteroid that belongs to the Themis family (602 [3] [4] family of carbonaceous asteroids, named after 24 Themis .[11] outer main-belt at a distance of 2.5–3.6 AU semi-major axis of 3.08 AU ). Its orbit has an eccentricity of 0.18 and an inclination of 3° with respect to the ecliptic .[2]
The asteroid was first observed as A912 AE at Winchester Observatory (799 observation arc begins with a precovery taken at Goethe Link Observatory in February 1950, more than 31 years prior to its official discovery observation at Anderson Mesa.[1]
Naming
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This minor planet was named after Joseph A. Burns (born 1941), American planetary scientist and astronomer at Cornell University in New York,[1] a co-discoverer of the trans-Neptunian object (385191) at Palomar in 1997. The official naming citation was published by the Minor Planet Center on 4 August 1982 (M.P.C. 7158[12]
Physical characteristics
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In the SMASS classification , Burns is a carbonaceous B-type ,[2] [3] C-type asteroids .
Rotation period
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In March 2010, a rotational lightcurve of Burns was obtained from photometric observations by French amateur astronomer René Roy . Lightcurve analysis gave a well-defined rotation period of 5.315 hours with a brightness amplitude of 0.52 magnitude , indicative for a non-spherical shape (U=3 [10]
Diameter and albedo
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According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer , Burns measures between 13.63 and 22 kilometers in diameter and its surface has an albedo between 0.051 and 0.12.[5] [6] [7] [8] [9] Collaborative Asteroid Lightcurve Link assumes an albedo of 0.08 and calculates a diameter of 17.86 kilometers based on an absolute magnitude of 12.1.[3]
References
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^ a b c d e f "JPL Small-Body Database Browser: 2708 Burns (1981 WT)" (2016-07-15 last obs.). Jet Propulsion Laboratory . Retrieved 28 March 2018 .
^ a b c d e f g "LCDB Data for (2708) Burns" . Asteroid Lightcurve Database (LCDB). Retrieved 28 March 2018 .
^ a b "Asteroid 2708 Burns – Nesvorny HCM Asteroid Families V3.0" . Small Bodies Data Ferret . Retrieved 26 October 2019 .
^ a b c d Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal . 814 (2 ): 13. arXiv :1509.02522 Bibcode :2015ApJ...814..117N . doi :10.1088/0004-637X/814/2/117 .
^ 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 .
^ 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 .
^ a b c d Alí-Lagoa, V.; Licandro, J.; Gil-Hutton, R.; Cañ; ada-Assandri, M.; Delbo', M.; et al. (June 2016). "Differences between the Pallas collisional family and similarly sized B-type asteroids" . Astronomy and Astrophysics . 591 : 11. Bibcode :2016A&A...591A..14A . doi :10.1051/0004-6361/201527660 hdl :11336/63614
^ a b c d Alí-Lagoa, V.; de León, J.; Licandro, J.; Delbó, M.; Campins, H.; Pinilla-Alonso, N.; et al. (June 2013). "Physical properties of B-type asteroids from WISE data". Astronomy and Astrophysics . 554 : 16. arXiv :1303.5487 Bibcode :2013A&A...554A..71A . doi :10.1051/0004-6361/201220680 .
^ a b Behrend, Raoul. "Asteroids and comets rotation curves – (2708) Burns" . Geneva Observatory. Retrieved 28 March 2018 .
^ Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV . pp. 297–321. arXiv :1502.01628 Bibcode :2015aste.book..297N . doi :10.2458/azu_uapress_9780816532131-ch016 . ISBN 9780816532131
^ "MPC/MPO/MPS Archive" . Minor Planet Center . Retrieved 28 March 2018 .
External links
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R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=2708_Burns&oldid=1233142873 " 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 ) ● T h e m i s a s t e r o i d s ● D i s c o v e r i e s b y E d w a r d L . G . B o w e l l ● N a m e d m i n o r p l a n e t s ● B - t y p e a s t e r o i d s ( S M A S 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 8 1 H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● U s e d m y d a t e s f r o m M a r c h 2 0 1 8 ● 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 7 J u l y 2 0 2 4 , a t 1 4 : 0 1 ( 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
