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1129 Neujmina (prov. designation 1929 PH ) is an Eos asteroid from the outer regions of the asteroid belt . It was discovered on 8 August 1929, by astronomer Praskoviya Parchomenko at the Simeiz Observatory on the Crimean peninsula.[14] S-type asteroid has a rotation period of 5.1 hours and measures approximately 34 kilometers (21 miles) in diameter. It was named after Soviet astronomer Grigory Neujmin .[2]
Orbit and classification [ edit ]
Neujmina is a member the Eos family (606 [4] asteroid family of the outer main belt consisting of nearly 10,000 asteroids.[15] : 23 AU eccentricity of 0.08 and an inclination of 9° with respect to the ecliptic .[1] A914 WE at Simeiz in November 1911, followed by 1926 AE at Heidelberg in January 1926. The body's observation arc begins four weeks after its official discovery observation at Simeiz.[14]
This minor planet was named after Georgian–Russian astronomer Grigory Neujmin (1885–1946), a discoverer of minor planets and comets , observer at Pulkovo Observatory and college of Parchomenko at Simeiz Observatory . The naming was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 106 Neujmin was also named in his honor.[2]
Physical characteristics [ edit ]
In the Tholen classification , Neujmina is a stony S-type asteroid .[1]
Rotation period [ edit ]
In March 2011, a rotational lightcurve of Neujmina was obtained from photometric observations at the Oakley Southern Sky Observatory (E09 rotation period of 5.0844 hours with a brightness variation of 0.20 magnitude (U=3 [11] U=2/2 [12] [13]
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 , Neujmina measures between 30.99 and 39.246 kilometers in diameter and its surface has an albedo between 0.0999 and 0.138.[5] [6] [7] [8] [9] [10] Collaborative Asteroid Lightcurve Link derives an albedo of 0.1270 and a diameter of 34.80 kilometers based on an absolute magnitude of 10.15.[3]
References [ edit ]
^ a b c Schmadel, Lutz D. (2007). "(1129) Neujmina". Dictionary of Minor Planet Names Springer Berlin Heidelberg . p. 96 doi :10.1007/978-3-540-29925-7_1130 . ISBN 978-3-540-00238-3
^ a b c d e f "LCDB Data for (1129) Neujmina" . Asteroid Lightcurve Database (LCDB). Retrieved 9 September 2017 .
^ a b "Asteroid 1129 Neujmina – Nesvorny HCM Asteroid Families V3.0" . Small Bodies Data Ferret . Retrieved 30 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 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 9 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 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 9 September 2017 .
^ 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 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 Ditteon, Richard; West, Josh (October 2011). "Asteroid Lightcurve Analysis at the Oakley Southern Observatory: 2011 January thru April" (PDF) . Minor Planet Bulletin . 38 4 ): 214–217. Bibcode :2011MPBu...38..214D . ISSN 1052-8091 .
^ a b Carbo, Landy; Kragh, Katherine; Krotz, Jonathan; Meiers, Andrew; Shaffer, Nelson; Torno, Steven; et al. (July 2009). "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory and Oakley Observatory: 2008 September and October" (PDF) . Minor Planet Bulletin . 36 3 ): 91–94. Bibcode :2009MPBu...36...91C . ISSN 1052-8091 . Archived from the original (PDF) on 26 November 2021. Retrieved 14 March 2020 .
^ 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 9 September 2017 .
^ a b "1129 Neujmina (1929 PH)" . Minor Planet Center . Retrieved 9 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 9780816532131
External links [ edit ]
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=1129_Neujmina&oldid=1195680133 " 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 ) ● E o s a s t e r o i d s ● D i s c o v e r i e s b y P r a s k o v j y a P a r c h o m e n k o ● N a m e d m i n o r p l a n e t s ● S - t y p e a s t e r o i d s ( T h o l e n ) ● 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 9 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 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 : 3 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
