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C o n t r i b u t e
● H e l p ● L e a r n t o e d i t ● C o m m u n i t y p o r t a l ● R e c e n t c h a n g e s ● U p l o a d f i l e
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Search
A p p e a r a n c e
● C r e a t e a c c o u n t ● L o g i n
P e r s o n a l t o o l s
● C r e a t e a c c o u n t ● L o g i n
P a g e s f o r l o g g e d o u t e d i t o r s l e a r n m o r e ● C o n t r i b u t i o n s ● T a l k
( T o p )
1 D i s c o v e r y
2 O r b i t a n d o r b i t a l e v o l u t i o n
3 P h y s i c a l p r o p e r t i e s
4 S e e a l s o
5 R e f e r e n c e s
6 F u r t h e r r e a d i n g
7 E x t e r n a l l i n k s
T o g g l e t h e t a b l e o f c o n t e n t s
2 0 2 0 P P 1
3 l a n g u a g e s
● F r a n ç a i s ● 日 本 語 ● T ü r k ç e
E d i t l i n k s
● A r t i c l e ● T a l k
E n g l i s h
● R e a d ● E d i t ● V i e w h i s t o r y
T o o l s
T o o l s
A c t i o n s
● R e a d ● E d i t ● V i e w h i s t o r y
G e n e r a l
● W h a t l i n k s h e r e ● R e l a t e d c h a n g e s ● U p l o a d f i l e ● S p e c i a l p a g e s ● P e r m a n e n t l i n k ● P a g e i n f o r m a t i o n ● C i t e t h i s p a g e ● G e t s h o r t e n e d U R L ● D o w n l o a d Q R c o d e ● W i k i d a t a i t e m
P r i n t / e x p o r t
● D o w n l o a d a s P D F ● P r i n t a b l e v e r s i o n
A p p e a r a n c e
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
2020 PP1 asteroid , classified as a near-Earth object of the Apollo group , that is a temporary quasi-satellite of the Earth . There are over a dozen known Earth quasi-satellites, some of which switch periodically between the quasi-satellite and horseshoe co-orbital states.[6]
Discovery
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2020 PP1 was discovered on 12 August 2020 by the Pan-STARRS 1 survey at the Haleakalā Observatory .[1] Karl Schwarzschild Observatory in August 2021, which allowed for precovery in earlier Pan-STARRS observations from 24 July 2017.[7]
Orbit and orbital evolution
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2020 PP1 is currently an Apollo asteroid (Earth-crossing but with a period longer than a year). Its semi-major axis (currently 1.001715 AU Earth (0.999789 AU ), but it has both low eccentricity (0.07384) and low orbital inclination (5.827°). It alternates between being an Aten asteroid and being an Apollo asteroid , although its orbital evolution is not fully stable and it can be considered as a temporary quasi-satellite of the Earth; its orbital evolution is akin to that of 469219 Kamoʻoalewa .[6]
Physical properties
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With an absolute magnitude of 26.6, it has a diameter in the range 10–30 meters (for an assumed albedo range of 0.20–0.04 respectively).[5]
See also
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54509 YORP
(419624) 2010 SO16
469219 Kamoʻoalewa
2015 SO2
2015 XX169
2015 YQ1
2015 YA
References
[ edit ]
^ a b "2020 PP1" . Minor Planet Center . International Astronomical Union. Retrieved 3 August 2021 .
^ "2020 PP1" . NEO Exchange . Las Cumbres Observatory . 13 August 2020. Retrieved 3 August 2021 .
^ a b c d "JPL Small-Body Database Browser: 2020 PP1" (2021-08-01 last obs.). Jet Propulsion Laboratory . Retrieved 3 August 2021 .
^ a b Bruton, Dan. "Conversion of Absolute Magnitude to Diameter for Minor Planets" . Department of Physics, Engineering, and Astronomy . Stephen F. Austin State University. Archived from the original on 23 July 2011. Retrieved 3 August 2021 .
^ a b de la Fuente Marcos, Carlos; de la Fuente Marcos, Raúl (March 2021). "Using Mars co-orbitals to estimate the importance of rotation-induced YORP break-up events in Earth co-orbital space" . Monthly Notices of the Royal Astronomical Society 501 (4 ): 6007–6025. arXiv :2101.02563 Bibcode :2021MNRAS.501.6007D . doi :10.1093/mnras/stab062 .
^ "MPEC 2021-P17 : 2020 PP1" . Minor Planet Electronic Circular . Minor Planet Center . 3 August 2021. Retrieved 3 August 2021 .
Further reading
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Understanding the Distribution of Near-Earth Asteroids Bottke, W. F., Jedicke, R., Morbidelli, A., Petit, J.-M., Gladman, B. 2000, Science , Vol. 288, Issue 5474, pp. 2190–2194.
A Numerical Survey of Transient Co-orbitals of the Terrestrial Planets Christou, A. A. 2000, Icarus , Vol. 144, Issue 1, pp. 1–20.
Debiased Orbital and Absolute Magnitude Distribution of the Near-Earth Objects Bottke, W. F., Morbidelli, A., Jedicke, R., Petit, J.-M., Levison, H. F., Michel, P., Metcalfe, T. S. 2002, Icarus , Vol. 156, Issue 2, pp. 399–433.
Transient co-orbital asteroids Brasser, R., Innanen, K. A., Connors, M., Veillet, C., Wiegert, P., Mikkola, S., Chodas, P. W. 2004, Icarus , Vol. 171, Issue 1, pp. 102–109.
A trio of horseshoes: past, present and future dynamical evolution of Earth co-orbital asteroids 2015 XX169 , 2015 YA and 2015 YQ1 de la Fuente Marcos, C., de la Fuente Marcos, R. 2016, Astrophysics and Space Science , Vol. 361, Issue 4, article 121 (13 pp).
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=2020_PP1&oldid=1187136828 " C a t e g o r i e s : ● A p o l l o a s t e r o i d 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 ( u n n u m b e r e d ) ● E a r t h - c r o s s i n g a s t e r o i d s ● E a r t h c o - o r b i t a l a s t e r o i d 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 2 0 2 0 ● H o r s e s h o e o r b i t 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 ● J P L S m a l l - B o d y D a t a b a s e I D s a m e a s W i k i d a t a ● 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
● T h i s p a g e w a s l a s t e d i t e d o n 2 7 N o v e m b e r 2 0 2 3 , a t 1 8 : 1 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
