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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
3268 De Sanctis , provisional designation 1981 DD , is a Vestian asteroid from the inner regions of the asteroid belt , approximately 6 kilometers (3.7 miles) in diameter. It was discovered on 26 February 1981, by European astronomers Henri Debehogne and Giovanni de Sanctis at ESO's La Silla Observatory in northern Chile. The asteroid was named after the second discoverer.[1] S-type asteroid has a rotation period of 17 hours.[2]
Orbit and classification
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De Sanctis a member of the Vesta family (401 hierarchical clustering method to its proper orbital elements .[3] eucrites and are thought to have originated deep within 4 Vesta 's crust, possibly from the Rheasilvia crater , a large impact crater on its southern hemisphere near the South pole, formed as a result of a subcatastrophic collision.[9] [10] orbital elements , De Sanctis has also been classified as a member of the Flora family (402 asteroid family and the largest family of stony asteroids in the main-belt.[2]
The asteroid orbits the Sun in the inner main-belt at a distance of 2.0–2.6 AU semi-major axis of 2.35 AU ). Its orbit has an eccentricity of 0.13 and an inclination of 6° with respect to the ecliptic .[4]
The body's observation arc begins with a precovery taken at Palomar Observatory in December 1951, nearly three decades prior to its official discovery observation La Silla.[1]
Physical characteristics
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De Sanctis is an assumed stony S-type asteroid .[2]
Rotation period
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A first rotational lightcurve of De Sanctis was obtained from photometric observations by Polish astronomer Wiesław Wiśniewski at the University of Arizona. Lightcurve analysis gave a rotation period of 17 hours with a brightness amplitude of 0.4 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 , De Sanctis measures 6.033 kilometers in diameter and its surface has an albedo of 0.228,[5] [6] Collaborative Asteroid Lightcurve Link assumes an albedo of 0.24 – derived from 8 Flora , the parent body of the Flora family – and derives a diameter of 5.88 kilometers based on an absolute magnitude of 13.32.[2]
Naming
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This minor planet was named by the first discoverer after the second, Giovanni de Sanctis (born 1949), an Italian astronomer at the Observatory of Turin , who closely collaborated with Henri Debehogne at the European Southern Observatory in La Silla , Chile, during the early 1980s. The official naming citation was published by the Minor Planet Center on 22 June 1986 (M.P.C. 10849[11]
References
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^ a b c d e f g h i "LCDB Data for (3268) De Sanctis" . Asteroid Lightcurve Database (LCDB). Retrieved 15 March 2018 .
^ a b "Asteroid 3268 De Sanctis – Nesvorny HCM Asteroid Families V3.0" . Small Bodies Data Ferret . Retrieved 26 October 2019 .
^ a b c "JPL Small-Body Database Browser: 3268 De Sanctis (1981 DD)" (2017-06-05 last obs.). Jet Propulsion Laboratory . Retrieved 15 March 2018 .
^ 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 .
^ 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 118700974 .
^ a b c Wisniewski, W. Z. (March 1991). "Physical studies of small asteroids. I - Lightcurves and taxonomy of 10 asteroids". Icarus . 90 1 ): 117–122. Bibcode :1991Icar...90..117W . doi :10.1016/0019-1035(91 )90073-3 . ISSN 0019-1035 .
^ 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 .
^ 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 S2CID 119280014 .
^ Kelley, Michael S.; Vilas, Faith; Gaffey, Michael J.; Abell, Paul A. (September 2003). "Quantified mineralogical evidence for a common origin of 1929 Kollaa with 4 Vesta and the HED meteorites" . Icarus . 165 (1 ): 215–218. Bibcode :2003Icar..165..215K . doi :10.1016/S0019-1035(03 )00149-0 .
^ "MPC/MPO/MPS Archive" . Minor Planet Center . Retrieved 15 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=3268_De_Sanctis&oldid=1191630903 " 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 ) ● V e s t a a s t e r o i d s ● D i s c o v e r i e s b y H e n r i D e b e h o g n e ● D i s c o v e r i e s b y G i o v a n n i d e S a n c t i 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 1 H i d d e n c a t e g o r i e s : ● U s e d m y d a t e s f r o m M a r c h 2 0 1 8 ● 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 : 3 6 ( 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
