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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
7742 Altamira , provisional designation 1985 US , is a Henan asteroid from the central region of the asteroid belt , approximately 7 kilometers in diameter. It was discovered by Czech astronomer Antonín Mrkos at the South Bohemian Kleť Observatory in the Czech Republic, on 20 October 1985.[9] Cave of Altamira in Spain.[2]
Orbit and classification
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Altamira is a member of the Henan family (532 [3] asteroid family in the intermediate main-belt, named after 2085 Henan .[10] : 23 central asteroid belt at a distance of 2.5–2.9 AU semi-major axis of 2.72 AU ). Its orbit has an eccentricity of 0.08 and an inclination of 4° with respect to the ecliptic .[1] observation arc begins at Palomar Observatory in May 1988, two and a half years after its official discovery observation at Klet.[9]
Physical characteristics
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Spectral type
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Altamira has been characterized as an L-type asteroid by Pan-STARRS photometric survey,[8] spectral type for members of the Henan family .[10] : 23
Rotation period
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In January 2014, a rotational lightcurve of Altamira was obtained from photometric observation by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a short rotation period of magnitude (U=2 [7]
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 , Altamira measures 6.5 kilometers in diameter, and its surface has an albedo of 0.184.[4] [5] Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057 and consequently calculates a larger diameter of 8.7 kilometers.[6]
Naming
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This minor planet was named after the famous Cave of Altamira , located in northern Spain. Discovered in 1879, its prehistoric cave paintings feature drawings of wild bison, deer, horses and boar, as well as handprints of the artists who created them. The cave with its paintings has been declared a UNESCO World Heritage Site . The asteroid's name was proposed by Czech astronomer Miloš Tichý .[2] Minor Planet Center on 24 June 2002 (M.P.C. 46008[11]
References
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^ a b c Schmadel, Lutz D. (2007). "(7742) Altamira". Dictionary of Minor Planet Names . Springer Berlin Heidelberg . p. 613. doi :10.1007/978-3-540-29925-7_6653 . ISBN 978-3-540-00238-3
^ a b "Asteroid 7742 Altamira – Nesvorny HCM Asteroid Families V3.0" . Small Bodies Data Ferret . Retrieved 27 October 2019 .
^ 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 . Retrieved 13 May 2016 .
^ 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 . Retrieved 4 December 2016 .
^ a b c d e "LCDB Data for (7742) Altamira" . Asteroid Lightcurve Database (LCDB). Retrieved 13 May 2016 .
^ a b c 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 13 May 2016 .
^ a b c 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 13 May 2016 .
^ a b "7742 Altamira (1985 US)" . Minor Planet Center . Retrieved 13 May 2016 .
^ a b 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 978-0-8165-3213-1
^ "MPC/MPO/MPS Archive" . Minor Planet Center . Retrieved 13 May 2016 .
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=7742_Altamira&oldid=1191629520 " 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 ) ● H e n a n a s t e r o i d s ● D i s c o v e r i e s b y A n t o n í n M r k o s ● 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 8 5 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 m a t c h e s W i k i d a t a ● 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 8 : 2 8 ( 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
