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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
2169 Taiwan , provisional designation 1964 VP1 , is a carbonaceous Astridian asteroid from the central regions of the asteroid belt , approximately 17 kilometers in diameter. It was discovered on 9 November 1964, by astronomers at the Purple Mountain Observatory near Nanking, China.[13] Taiwan .[2]
Orbit and classification
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Taiwan is a member of the Astrid family (515 asteroid family of nearly 500 carbonaceous asteroids. The family is located in the outermost central main-belt, near a prominent Kirkwood gap , that marks the 5:2 orbital resonance with Jupiter, and divides the asteroid belt into a central and outer part.[4] [14] [15] : 23
Taiwan orbits the Sun at a distance of 2.7–2.9 AU eccentricity of 0.05 and an inclination of 2° with respect to the ecliptic .[1]
The body's observation arc begins with its first identification as 1938 DV1 at Heidelberg Observatory in February 1938, almost 27 years prior to its official discovery observation at Nanking.[13]
Physical characteristics
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In the SMASS classification , and according to PanSTARRS photometric survey, Taiwan is a carbonaceous C-type asteroid .[1] [12]
Rotation period
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In September 2010, a rotational lightcurve of Taiwan was obtained from photometric observations in the R-band by astronomers at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 7.252 hours with a brightness variation of 0.17 magnitude (U=2 [11]
Diameter and albedo
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According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer , Taiwan measures between 16.52 and 19.263 kilometers in diameter and its surface has an albedo between 0.042 and 0.085.[5] [6] [7] [8] [9] [10]
The Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057 and calculates a diameter of 14.39 kilometers based on an absolute magnitude of 12.94.[3]
Naming
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This minor planet was named after the Taiwan Province .[2] Minor Planet Center on 1 February 1980 (M.P.C. 5184[16]
References
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^ a b c Schmadel, Lutz D. (2007). "(2169) Taiwan". Dictionary of Minor Planet Names . Springer Berlin Heidelberg . p. 176. doi :10.1007/978-3-540-29925-7_2170 . ISBN 978-3-540-00238-3
^ a b c d e f "LCDB Data for (2169) Taiwan" . Asteroid Lightcurve Database (LCDB). Retrieved 4 September 2017 .
^ a b "Asteroid 2169 Taiwan – Nesvorny HCM Asteroid Families V3.0" . Small Bodies Data Ferret . Retrieved 26 October 2019 .
^ 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 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 . Retrieved 4 September 2017 .
^ 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 . Retrieved 4 September 2017 .
^ 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 September 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 .
^ a b c 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 . Retrieved 4 September 2017 .
^ 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 4 September 2017 .
^ a b "2169 Taiwan (1964 VP1)" . Minor Planet Center . Retrieved 4 September 2017 .
^ Vokrouhlický, D.; Broz, M.; Bottke, W. F.; Nesvorný, D.; Morbidelli, A. (May 2006). "Yarkovsky/YORP chronology of asteroid families" (PDF) . Icarus . 182 (1 ): 118–142. Bibcode :2006Icar..182..118V . doi :10.1016/j.icarus.2005.12.010 . Retrieved 4 September 2017 .
^ 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 4 September 2017 .
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=2169_Taiwan&oldid=1233141263 " 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 ) ● A s t r i d a s t e r o i d s ● D i s c o v e r i e s b y t h e P u r p l e M o u n t a i n O b s e r v a t o r y ● N a m e d m i n o r p l a n e t s ● C - 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 6 4 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 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 7 J u l y 2 0 2 4 , a t 1 3 : 4 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
