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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
1118 Hanskya (prov. designation 1927 QD ) is a large background asteroid , approximately 77 kilometers (48 miles) in diameter, located in the outer regions of the asteroid belt . Discovered by Sergey Belyavsky and Nikolaj Ivanov in 1927, it was named after Russian astronomer Aleksey Hansky . The presumed dark C-type asteroid has a rotation period of 15.6 hours.
Discovery
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Hanskya was discovered on 29 August 1927, by Russian astronomers Sergey Belyavsky and Nikolaj Ivanov at the Simeiz Observatory on the Crimean peninsula.[3] Karl Reinmuth at the German Heidelberg Observatory – who observed the body only one day later and announced it first – and by Belgian astronomer Eugène Delporte at Uccle Observatory on 17 September.[2]
Orbit and classification
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Hanskya is a non-family asteroid of the main belt's background population when applying the hierarchical clustering method to its proper orbital elements .[4] [5] outer asteroid belt at a distance of 3.1–3.4 AU eccentricity of 0.04 and an inclination of 14° with respect to the ecliptic .[1]
The body's observation arc begins at Heidelberg or Simeiz one night after its official discovery observation.[3]
Naming
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This minor planet was named on the 25th anniversary of the death of Russian Aleksey Hansky (1870–1908), whose initiative lead to the construction of the discovering Simeiz Observatory.[2]
Physical characteristics
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Hanskya is an assumed carbonaceous C-type asteroid .[8]
Rotation period
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In October 21010, a rotational lightcurve of Hanskya was obtained from photometric observations at the Sunflower Observatory in Kansas, United States (739 rotation period of 15.61 hours with a brightness amplitude of 0.18 magnitude (U=2 [14]
More recent observations at the Palomar Transient Factory and by French amateur astronomer René Roy gave a longer period of 25.31 and 25.3481 hours and an amplitude of 0.38 and 0.25, respectively (U=2/2 [16] [15]
Diameter and albedo
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According to the surveys carried out by the Infrared Astronomical Satellite IRAS , the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer , Hanskya measures between 70.954 and 90.29 kilometers in diameter and its surface has an albedo between 0.029 and 0.056.[6] [7] [9] [10] [11] [12] [13]
The Collaborative Asteroid Lightcurve Link derives a low albedo of 0.0358 and a diameter of 77.03 kilometers based on an absolute magnitude of 9.8.[8]
References
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^ a b c Schmadel, Lutz D. (2007). "(1118) Hanskya". Dictionary of Minor Planet Names – (1118) Hanskya . Springer Berlin Heidelberg . p. 95. doi :10.1007/978-3-540-29925-7_1119 . ISBN 978-3-540-00238-3
^ a b c "1118 Hanskya (1927 QD)" . Minor Planet Center . Retrieved 29 August 2017 .
^ a b "Asteroid 1118 Hanskya – Proper Elements" . AstDyS-2, Asteroids – Dynamic Site. Retrieved 13 March 2020 .
^ a b "Asteroid 1118 Hanskya" . Small Bodies Data Ferret . Retrieved 13 March 2020 .
^ a b c Masiero, Joseph R.; Grav, T.; Mainzer, A. K.; Nugent, C. R.; Bauer, J. M.; Stevenson, R.; et al. (August 2014). "Main-belt Asteroids with WISE/NEOWISE: Near-infrared Albedos" . The Astrophysical Journal . 791 (2 ): 11. arXiv :1406.6645 Bibcode :2014ApJ...791..121M . doi :10.1088/0004-637X/791/2/121 . Retrieved 14 September 2016 .
^ 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 d e f "LCDB Data for (1118) Hanskya" . Asteroid Lightcurve Database (LCDB). Retrieved 14 September 2016 .
^ a b c d Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0" . NASA Planetary Data System . 12 Bibcode :2004PDSS...12.....T . Retrieved 22 October 2019 .
^ 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 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 . S2CID 9341381 . Retrieved 29 August 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 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 14 September 2016 .
^ a b Robinson, L. E. (June 2002). "Lightcurve Photometry of 551 Ortrud, 1118 Hanskya, and 1916 Boreas from Sunflower Observatory" . The Minor Planet Bulletin . 29 Bibcode :2002MPBu...29...37R . Retrieved 14 September 2016 .
^ a b 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 14 September 2016 .
^ Behrend, Raoul. "Asteroids and comets rotation curves – (1118) Hanskya" . Geneva Observatory . Retrieved 14 September 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=1118_Hanskya&oldid=1195680082 " 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 S e r g e i B e l y a v s k y ● D i s c o v e r i e s b y N i k o l a j I v a n o v ● 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 2 7 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 ● 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 1 4 J a n u a r y 2 0 2 4 , a t 2 1 : 2 9 ( 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
