1780 Kippes

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1780 Kippes
Discovery
Synodic rotation period
18.0 h[10]
0.0966±0.0173[9]
0.111±0.014[8]
0.1212±0.017[6]
0.126±0.013[7]
0.143±0.010[5]
S [3]
10.68[1][3][5][6][8][9][10] · 10.72±0.26[11]

1780 Kippes, provisional designation A906 RA, is an Eoan asteroid from the outer regions of the asteroid belt, approximately 28 kilometers in diameter. It was discovered on 12 September 1906, by astronomer August Kopff at the Heidelberg-Königstuhl State Observatory in southwest Germany.[12] The asteroid was named after German Catholic priest and amateur astronomer Otto Kippes.[2]

Orbit and classification

Kippes is a member the

606), the largest asteroid family of the outer main belt consisting of nearly 10,000 asteroids.[3][4][13]: 23  It orbits the Sun in the outer main-belt at a distance of 2.9–3.2 AU once every 5 years and 3 months (1,914 days). Its orbit has an eccentricity of 0.05 and an inclination of 9° with respect to the ecliptic.[1]

The body's observation arc begins at Heidelberg in 1906, one week after its official discovery observation.[12]

Physical characteristics

Kippes is an assumed

spectral type of the Eos family is that of a K-type.[13]
: 23 

Rotation period

In July 1984, a rotational

U=2).[10]

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite

albedo between 0.0966 and 0.143.[5][6][7][8][9]

The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.1212 and a diameter of 27.92 kilometers based on an absolute magnitude of 10.68.[3][6]

Naming

This

M.P.C. 3508).[15]

References

  1. ^ a b c d "JPL Small-Body Database Browser: 1780 Kippes (A906 RA)" (2017-01-27 last obs.). Jet Propulsion Laboratory. Retrieved 6 September 2017.
  2. ^
    ISBN 978-3-540-00238-3
    .
  3. ^ a b c d e f "LCDB Data for (1780) Kippes". Asteroid Lightcurve Database (LCDB). Retrieved 6 September 2017.
  4. ^ a b "Asteroid 1780 Kippes – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
  5. ^
    doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153
    )
  6. ^
    Bibcode:2004PDSS...12.....T
    . Retrieved 17 October 2019.
  7. ^
    doi:10.1088/0004-637X/791/2/121
    . Retrieved 6 September 2017.
  8. ^
    doi:10.1088/2041-8205/759/1/L8
    . Retrieved 6 September 2017.
  9. ^
    doi:10.1088/0004-637X/741/2/90
    .
  10. ^
    ISSN 0019-1035
    . Retrieved 6 September 2017.
  11. doi:10.1016/j.icarus.2015.08.007
    . Retrieved 6 September 2017.
  12. ^ a b "1780 Kippes (A906 RA)". Minor Planet Center. Retrieved 6 September 2017.
  13. ^
    ISBN 9780816532131
    .
  14. ^ Lehmann, Gerhard; Kandler, Jens; Knöfel, André (14 August 2013). "Amateurastronomen am Sternenhimmel" [Amateur astronomers in the starry sky] (in German). Archived from the original on 23 August 2007.
  15. ISBN 978-3-642-01964-7
    .

External links
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