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8405 Asbolus is a centaur orbiting in the outer Solar System between the orbits of Jupiter and Neptune . It was discovered on 5 April 1995, by James Scotti and Robert Jedicke of Spacewatch (credited) at Kitt Peak Observatory in Arizona, United States. It is named after Asbolus , a centaur in Greek mythology and measures approximately 80 kilometers in diameter.[3]
Orbit and classification [ edit ]
Orbital perturbation : changes in Asbolus's semi-major axis during the next 5500 years. After the encounter with Jupiter in 2700 years, the orbit becomes unpredictable.[21]
Centaurs have short dynamical lifetimes due to perturbations by the giant planets. Asbolus is estimated to have an orbital half-life of about 860 kiloannum .[22] perihelion and Neptune controls the aphelion.[22]
It currently has a perihelion of 6.8 AU [1] [22] [23]
Predicting the overall orbit and position of Asbolus beyond a few thousand years is difficult because of errors in the known trajectory , error amplification by perturbations due to all of the giant planets , and the possibility of perturbation as a result of cometary outgassing and fragmentation. Compared to centaur 7066 Nessus , the orbit of Asbolus is currently much more chaotic.
This minor planet was named from Greek mythology after Asbolus (Greek for "sooty", "the black one"), a centaur capable to read omens in the flight of birds. He provoked a bloodbath in which the centaurs Chiron and Pholus met their deaths at Heracles ' hands. The minor planets 2060 Chiron , 5145 Pholus and 5143 Heracles are named after these mythological figures.[2] M.P.C. 36128 [24]
Physical characteristics [ edit ]
No resolved images of it have ever been made, but in 1998 spectral analysis of its composition by the Hubble Space Telescope revealed a fresh impact crater on its surface, less than 10 million years old.[25] Centaurs are dark in colour, because their icy surfaces have darkened after long exposure to solar radiation and the solar wind . However, fresh craters excavate more reflective ice from below the surface, and that is what Hubble has detected on Asbolus.
See also [ edit ]
References [ edit ]
^ a b "8405 Asbolus (1995 GO)" . Minor Planet Center . Retrieved 22 September 2016 .
^ a b c d e "LCDB Data for (8405) Asbolus" . Asteroid Lightcurve Database (LCDB). Retrieved 22 September 2016 .
^ "Horizons Batch for 8405 Asbolus (1995 GO) on 2078-Dec-17" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons . Retrieved 25 June 2022 .
^ Robert Johnston (5 September 2016). "List of Known Trans-Neptunian Objects" . Johnston's Archive. Retrieved 25 April 2017 .
^ a b Stansberry, J. A.; Cruikshank, D. P.; Grundy, W. G.; Margot, J. L.; Emery, J. P.; Fernandez, Y. R.; et al. (August 2005). "Albedos, Diameters (and a Density) of Kuiper Belt and Centaur Objects" . Bulletin of the American Astronomical Society . 37 Bibcode :2005DPS....37.5205S . Retrieved 22 September 2016 .
^ a b John Stansberry; Will Grundy; Mike Brown; Dale Cruikshank; John Spencer; David Trilling; Jean-Luc Margot (2007). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". arXiv :astro-ph/0702538
^ a b c Duffard, R.; Pinilla-Alonso, N.; Santos-Sanz, P.; Vilenius, E.; Ortiz, J. L.; Mueller, T.; et al. (April 2014). " . Astronomy and Astrophysics . 564 : 17. arXiv :1309.0946 Bibcode :2014A&A...564A..92D . doi :10.1051/0004-6361/201322377 . S2CID 119177446 .
^ a b Galád, A. (May 2010). "Accuracy of calibrated data from the SDSS moving object catalog, absolute magnitudes, and probable lightcurves for several asteroids" . Astronomy and Astrophysics . 514 : 10. Bibcode :2010A&A...514A..55G . doi :10.1051/0004-6361/201014029
^ Romanishin, W.; Tegler, S. C.; Levine, J.; Butler, N. (May 1997). "BVR Photometry of Centaur Objects 1995 GO, 1993 HA2, and 5145 Pholus" . Astronomical Journal . 113 : 1893–1898. Bibcode :1997AJ....113.1893R . doi :10.1086/118402 . Retrieved 22 September 2016 .
^ Brown, Warren R.; Luu, Jane X. (March 1997). "CCD Photometry of the Centaur 1995 GO" . Icarus . 126 (1 ): 218–224. Bibcode :1997Icar..126..218B . doi :10.1006/icar.1996.5643 . Retrieved 22 September 2016 .
^ Brucker, Melissa; Romanishin, W. J.; Tegler, S. C.; Consolmagno, G. J.; J., S.; Grundy, W. M. (September 2008). "Rotational Properties of Centaurs (32532) Thereus and (8405) Asbolus" . Bulletin of the American Astronomical Society . 40 Bibcode :2008DPS....40.4709B . Retrieved 22 September 2016 .
^ a b c Davies, John K.; McBride, Neil; Ellison, Sara L.; Green, Simon F.; Ballantyne, David R. (August 1998). "Visible and Infrared Photometry of Six Centaurs" . Icarus . 134 (2 ): 213–227. Bibcode :1998Icar..134..213D . doi :10.1006/icar.1998.5931 . Retrieved 22 September 2016 .
^ Fernández, Yanga R.; Jewitt, David C.; Sheppard, Scott S. (February 2002). "Thermal Properties of Centaurs Asbolus and Chiron". The Astronomical Journal . 123 (2 ): 1050–1055. arXiv :astro-ph/0111395 Bibcode :2002AJ....123.1050F . doi :10.1086/338436 . S2CID 11266670 .
^ Belskaya, Irina N.; Barucci, Maria A.; Fulchignoni, Marcello; Dovgopol, Anatolij N. (April 2015). "Updated taxonomy of trans-neptunian objects and centaurs: Influence of albedo" . Icarus . 250 : 482–491. Bibcode :2015Icar..250..482B . doi :10.1016/j.icarus.2014.12.004 . Retrieved 22 September 2016 .
^ Rabinowitz, David L.; Schaefer, Bradley E.; Tourtellotte, Suzanne W. (January 2007). "The Diverse Solar Phase Curves of Distant Icy Bodies. I. Photometric Observations of 18 Trans-Neptunian Objects, 7 Centaurs, and Nereid" . The Astronomical Journal . 133 (1 ): 26–43. arXiv :astro-ph/0605745 Bibcode :2007AJ....133...26R . doi :10.1086/508931 . S2CID 119406900 . Retrieved 22 September 2016 .
^ Romanishin, W.; Tegler, S. C. (December 2005). "Accurate absolute magnitudes for Kuiper belt objects and Centaurs" . Icarus . 179 (2 ): 523–526. Bibcode :2005Icar..179..523R . doi :10.1016/j.icarus.2005.06.016 . Retrieved 22 September 2016 .
^ Romanishin, W.; Tegler, S. C. (March 1999). "Rotation rates of Kuiper-belt objects from their light curves" . Nature . 398 (6723): 129–132.(NatureHomepage). Bibcode :1999Natur.398..129R . doi :10.1038/18168 . S2CID 4313184 .
^ Peixinho, N.; Delsanti, A.; Guilbert-Lepoutre, A.; Gafeira, R.; Lacerda, P. (October 2012). "The bimodal colors of Centaurs and small Kuiper belt objects" . Astronomy and Astrophysics . 546 : 12. arXiv :1206.3153 Bibcode :2012A&A...546A..86P . doi :10.1051/0004-6361/201219057 . S2CID 55876118 . Retrieved 22 September 2016 .
^ "Three clones of Centaur 8405 Asbolus making passes within 450Gm" . Archived from the original on 13 September 2015. Retrieved 2 May 2009 ."The SOLEX page" . Archived from the original on 29 April 2009.
^ a b c Horner, J.; Evans, N.W.; Bailey, M. E. (November 2004). "Simulations of the Population of Centaurs I: The Bulk Statistics". Monthly Notices of the Royal Astronomical Society 354 (3 ): 798–810. arXiv :astro-ph/0407400 Bibcode :2004MNRAS.354..798H . doi :10.1111/j.1365-2966.2004.08240.x . S2CID 16002759 .
^ "The perihelion (q ) of twenty-two clones of Centaur Asbolus" . Johnston's Archive. Archived from the original on 1 July 2013. Retrieved 26 April 2009 ."The SOLEX page" . Archived from the original on 29 April 2009.
^ "MPC/MPO/MPS Archive" . Minor Planet Center . Retrieved 22 September 2016 .
^ "Centaur's Bright Surface Spot Could be Crater of Fresh Ice" . Hubblesite (STScI-2000-31). 14 September 2000. Retrieved 12 April 2004 .
External links [ edit ]
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=8405_Asbolus&oldid=1223760187 " 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 ) ● C e n t a u r s ( s m a l l S o l a r S y s t e m b o d i e s ) ● D i s c o v e r i e s b y t h e S p a c e w a t c h p r o j e c t ● 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 9 5 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 A u g u s t 2 0 2 1 ● 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 1 4 M a y 2 0 2 4 , a t 0 5 : 0 0 ( 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
(astrological)
