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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
1062 Ljuba , provisional designation 1925 TD , is a carbonaceous background asteroid from the outer regions of the asteroid belt , approximately 58 kilometers (36 miles) in diameter. The asteroid was discovered on 11 October 1925, by Soviet–Russian astronomer Sergey Belyavsky at the Simeiz Observatory on the Crimean peninsula.[1] [2] C-type asteroid has a longer-than average rotation period of 33.8 hours.[4]
Orbit and classification [ edit ]
Ljuba is a non-family asteroid from the main belt's background population .[5] outer asteroid belt at a distance of 2.8–3.2 AU semi-major axis of 3 AU ). Its orbit has an eccentricity of 0.07 and an inclination of 6° with respect to the ecliptic .[3]
The asteroid was first observed as A904 TB at Heidelberg Observatory in October 1904. The body's observation arc also begins at Heidelberg in February 1929, or 16 months after its official discovery observation at Simeiz.[1]
Physical characteristics [ edit ]
In the Tholen classification , Ljuba is a carbonaceous C-type asteroid .[4]
Rotation period [ edit ]
In October 2003, a rotational lightcurve of Ljuba was obtained from photometric observations by American amateur astronomer Walter Cooney at this Blackberry Observatory (929 rotation period of 33.8 hours with a brightness variation of 0.17 magnitude (U=3 [12] Richard Binzel , René Roy and Laurent Bernasconi gave a somewhat longer period of 36, 41.5 and 42 hours, respectively (U=1/2/1 [13] [14] slow rotator , Ljuba 's period is significantly longer than that for most other asteroids, which rotate every 2–20 hours once around their axis.
Diameter and albedo [ edit ]
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 , Ljuba measures between 51.017 and 60.80 kilometers in diameter and its surface has an albedo between 0.060 and 0.12.[6] [7] [8] [9] [10] [11]
The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.0668 and a diameter of 55.10 kilometers based on an absolute magnitude of 9.85.[4]
This minor planet was named after Soviet parachutist Ljuba Berlin (1915–1936). The asteroids (1084) and (1086) were also named after Soviet female paratroopers, namely, Tamara Ivanova (1912–1936) and Nata Babushkina (1915–1936), respectively.[2]
References [ edit ]
^ a b c Schmadel, Lutz D. (2007). "(1062) Ljuba". Dictionary of Minor Planet Names – (1062) Ljuba . Springer Berlin Heidelberg. p. 91. doi :10.1007/978-3-540-29925-7_1063 . ISBN 978-3-540-00238-3
^ a b c d e "JPL Small-Body Database Browser: 1062 Ljuba (1925 TD)" (2017-06-05 last obs.). Jet Propulsion Laboratory . Retrieved 8 March 2018 .
^ a b c d e f "LCDB Data for (1062) Ljuba" . Asteroid Lightcurve Database (LCDB). Retrieved 8 March 2018 .
^ a b "Asteroid 1062 Ljuba – Proper Elements" . AstDyS-2, Asteroids – Dynamic Site. Retrieved 28 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 . S2CID 35447010 .
^ 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 8 March 2018 .
^ 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 . S2CID 119293330 .
^ 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 Cooney, Walter R., Jr. (March 2005). "Lightcurve results for minor planets 228 Agathe, 297 Caecilia, 744 Aguntina 1062 Ljuba, 1605 Milankovitch, and 3125 Hay" . The Minor Planet Bulletin . 32 1 ): 15–16. Bibcode :2005MPBu...32...15C . ISSN 1052-8091 . Retrieved 8 March 2018 . {{cite journal }}: CS1 maint: numeric names: authors list (link )
^ a b c Binzel, R. P. (October 1987). "A photoelectric survey of 130 asteroids" . Icarus . 72 1 ): 135–208. Bibcode :1987Icar...72..135B . doi :10.1016/0019-1035(87 )90125-4 . ISSN 0019-1035 . Retrieved 8 March 2018 .
^ a b c Behrend, Raoul. "Asteroids and comets rotation curves – (1062) Ljuba" . Geneva Observatory. Retrieved 8 March 2018 .
External links [ edit ]
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=1062_Ljuba&oldid=1191754244 " 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 ● 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 5 H i d d e n c a t e g o r i e s : ● C S 1 m a i n t : n u m e r i c n a m e s : a u t h o r s l i s t ● 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 5 D e c e m b e r 2 0 2 3 , a t 1 5 : 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
