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'''2807 Karl Marx''', provisional designation {{mpf|1969 TH|6}}, is a carbonaceous [[asteroid]] from the middle region of the [[asteroid belt]], approximately 17 kilometers in diameter. It was discovered on 15 October 1969, by Russian female astronomer [[Lyudmila Chernykh]] at the [[Crimean Astrophysical Observatory]] in Nauchnyj on the Crimean peninsula.<ref name="MPC-Karl Marx" />
'''2807 Karl Marx''', provisional designation {{mpf|1969 TH|6}}, is a [[carbonaceous asteroid]] from the middle region of the [[asteroid belt]], approximately 17 kilometers in diameter. It was discovered on 15 October 1969, by Russian astronomer [[Lyudmila Chernykh]] at the [[Crimean Astrophysical Observatory]] in Nauchnyj on the Crimean peninsula.<ref name="MPC-Karl Marx" />


The asteroid is classified as a dark [[C-type asteroid|C-type]] asteroid in the [[SMASS classification|SMASS]] taxonomy. ''Karl Marx'' is also a member of the [[Dora family]].{{citation needed|date=December 2015}} It orbits the Sun at a distance of 2.3–3.3&nbsp;[[Astronomical unit|AU]] once every 4 years and 8 months (1,707 days). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.18 and an [[orbital inclination|inclination]] of 8[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" /> First identified as {{mpf| 1924 BE}} at [[Heidelberg Observatory]] in 1924, its first used observation was a [[precovery]] taken at [[Palomar Observatory]] in 1954, extending the body's [[observation arc]] by 15 years prior to its official discovery observation.<ref name="MPC-Karl Marx" />
The asteroid is classified as a dark [[C-type asteroid]] in the [[SMASS classification|SMASS]] taxonomy. ''Karl Marx'' is also a member of the [[Dora family]].{{citation needed|date=December 2015}} It orbits the Sun at a distance of 2.3–3.3&nbsp;[[Astronomical unit|AU]] once every 4 years and 8 months (1,707 days). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.18 and an [[orbital inclination|inclination]] of 8[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" /> First identified as {{mpf| 1924 BE}} at [[Heidelberg Observatory]] in 1924, its first used observation was a [[precovery]] taken at [[Palomar Observatory]] in 1954, extending the body's [[observation arc]] by 15 years prior to its official discovery observation.<ref name="MPC-Karl Marx" />


According to the survey carried out by NASA's [[Wide-field Infrared Survey Explorer]] with its subsequent [[NEOWISE]] mission, the asteroid measures 16.9 kilometers in diameter and its surface has an [[astronomical albedo|albedo]] of 0.057.<ref name="Masiero-2011" />
According to the survey carried out by NASA's [[Wide-field Infrared Survey Explorer]] with its subsequent [[NEOWISE]] mission, the asteroid measures 16.9 kilometers in diameter and its surface has an [[astronomical albedo|albedo]] of 0.057.<ref name="Masiero-2011" />
As of 2016, the body's [[rotation period]] and shape remains unknown.
As of 2016, the body's [[rotation period]] and shape remains unknown.


The minor planet is named after German philosopher, economist and revolutionary socialist Heinrich [[Karl Marx]] (1818–1883), student of the theories about society, economics and politics, and author of ''[[Capital: Critique of Political Economy|Das Kapital]]'', the foundational theoretical text of modern [[Communism|communist]] thought.<ref name="springer" /> Naming citation was published on 24 July 1983 ({{small|[[Minor Planet Circulars|M.P.C.]] 8065}}).<ref name="MPC-Circulars-Archive" />
The minor planet is named after German philosopher, economist and revolutionary socialist [[Karl Marx]] (1818–1883), student of the theories about society, economics and politics, and author of ''[[Das Kapital]]'', the foundational theoretical text of modern [[communist]] thought.<ref name="springer" /> Naming citation was published on 24 July 1983 ({{small|[[Minor Planet Circulars|M.P.C.]] 8065}}).<ref name="MPC-Circulars-Archive" />


== References ==
== References ==

Revision as of 15:27, 15 January 2017

2807 Karl Marx
Discovery [1]
Discovered byL. Chernykh
Discovery siteCrimean Astrophysical Obs.
Discovery date15 October 1969
Designations
2807 Karl Marx
Named after
Karl Marx
(revolutionary socialist)[2]
1969 TH6 · 1952 BD1
1974 XF · 1976 GD3
A924 BE
main-belt [3] · Dora family
Orbital characteristics [1]
Epoch 16 February 2017 (JD 2457800.5)
Uncertainty parameter 0
Observation arc92.77 yr (33,886 days)
Aphelion3.2975 AU
Perihelion2.2938 AU
2.7956 AU
Eccentricity0.1795
4.67 yr (1,707 days)
330.94°
0° 12m 39.24s / day
Inclination7.8785°
28.450°
92.448°
Physical characteristics
Dimensions16.866±0.144 km[4]
0.057±0.012[4]
SMASS = C [1]
12.7[1]

2807 Karl Marx, provisional designation 1969 TH6, is a carbonaceous asteroid from the middle region of the asteroid belt, approximately 17 kilometers in diameter. It was discovered on 15 October 1969, by Russian astronomer Lyudmila Chernykh at the Crimean Astrophysical Observatory in Nauchnyj on the Crimean peninsula.[3]

The asteroid is classified as a dark C-type asteroid in the SMASS taxonomy. Karl Marx is also a member of the Dora family.[citation needed] It orbits the Sun at a distance of 2.3–3.3 AU once every 4 years and 8 months (1,707 days). Its orbit has an eccentricity of 0.18 and an inclination of 8° with respect to the ecliptic.[1] First identified as 1924 BE at Heidelberg Observatory in 1924, its first used observation was a precovery taken at Palomar Observatory in 1954, extending the body's observation arc by 15 years prior to its official discovery observation.[3]

According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, the asteroid measures 16.9 kilometers in diameter and its surface has an albedo of 0.057.[4] As of 2016, the body's rotation period and shape remains unknown.

The minor planet is named after German philosopher, economist and revolutionary socialist Karl Marx (1818–1883), student of the theories about society, economics and politics, and author of Das Kapital, the foundational theoretical text of modern communist thought.[2] Naming citation was published on 24 July 1983 (M.P.C. 8065).[5]

References

  1. ^ a b c d e "JPL Small-Body Database Browser: 2807 Karl Marx (1969 TH6)" (2016-11-10 last obs.). Jet Propulsion Laboratory. Retrieved 1 December 2016.
  2. ^ a b Schmadel, Lutz D. (2007). Dictionary of Minor Planet Names – (2807) Karl Marx. Springer Berlin Heidelberg. p. 230. ISBN 978-3-540-00238-3. Retrieved 30 November 2016.
  3. ^ a b c "2807 Karl Marx (1969 TH6)". Minor Planet Center. Retrieved 30 November 2016.
  4. ^ 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 6 November 2016.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 30 November 2016.
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