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1788 Kiess - Wikipedia

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1788 Kiess
Discovery^[1]
Discovered by	Indiana University (Indiana Asteroid Program)
Discovery site	Goethe Link Obs.
Discovery date	25 July 1952
Designations
MPC designation	(1788) Kiess
Named after	Carl C. Kiess (astronomer)^[2]
Alternative designations	1952 OZ · 1935 NE 1964 WP
Minor planet category	main-belt · Themis^[3]
Orbital characteristics^[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc	64.78 yr (23,660 days)
Aphelion	3.5961 AU
Perihelion	2.6381 AU
Semi-major axis	3.1171 AU
Eccentricity	0.1537
Orbital period (sidereal)	5.50 yr (2,010 days)
Mean anomaly	323.37°
Mean motion	0° 10^m 44.76^s / day
Inclination	0.6816°
Longitude of ascending node	161.91°
Argument of perihelion	143.60°
Physical characteristics
Dimensions	19.59 km (calculated)^[3] 20.993±0.271 km^[4]^[5]
Synodic rotation period	11.0335±0.0071 h^[6] 12±2 h^[7]
Geometric albedo	0.070±0.014^[4]^[5] 0.08 (assumed)^[3]
Spectral type	C^[3]
Absolute magnitude (H)	11.801±0.002 (R)^[6] · 11.9^[1]^[3]^[4] · 11.93±0.26^[8]

1788 Kiess, provisional designation 1952 OZ, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 20 kilometers in diameter. It was discovered on 25 July 1952, by the Indiana Asteroid Program at the U.S. Goethe Link Observatory near Brooklyn, Indiana, United States, and later named after astronomer Carl Kiess.^[2]^[9]

Orbit and classification

The C-type asteroid is a member of the Themis family, a dynamical family of outer-belt asteroids with nearly coplanar ecliptical orbits. The asteroid orbits the Sun in the outer main-belt at a distance of 2.6–3.6 AU once every 5 years and 6 months (2,010 days). Its orbit has an eccentricity of 0.15 and an inclination of 1° with respect to the ecliptic.^[1] Kiess was first identified as 1935 NE at Algiers Observatory in 1935. Its observation arc begins with its official discovery observation.^[9]

Physical characteristics

Rotation period

In 2010, two rotational lightcurves were obtained from photometric observations at the Palomar Transient Factory in California. Lightcurve analysis gave a rotation period of 12 and 11.0335 hours with a brightness variation of 0.25 and 0.30 magnitude, respectively (U=2-/2).^[7]^[6]

Diameter and albedo

According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Kiess measures 20.99 kilometers in diameter, and its surface has an albedo of 0.07.^[4] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.08 and calculates a diameter of 19.59 kilometers with an absolute magnitude of 11.9.^[3]

Naming

This minor planet was named for American astronomer Carl C. Kiess (1887–1967), a graduate of Indiana University, who made distinguished contributions both in astronomy and spectroscopy at the U.S. National Bureau of Standards where he worked for over 40 years.^[2] The official naming citation was published by the Minor Planet Center on 15 June 1973 (M.P.C. 3508).^[10] Kiess was also a member of several eclipse expeditions. The lunar crater Kiess was named in his honour.^[2]

References

^ ^a ^b ^c ^d "JPL Small-Body Database Browser: 1788 Kiess (1952 OZ)" (2017-05-05 last obs.). Jet Propulsion Laboratory. Retrieved 8 June 2017.
^ ^a ^b ^c ^d Schmadel, Lutz D. (2007). "(1788) Kiess". Dictionary of Minor Planet Names – (1788) Kiess. Springer Berlin Heidelberg. p. 143. doi:10.1007/978-3-540-29925-7_1789. ISBN 978-3-540-00238-3.
^ ^a ^b ^c ^d ^e ^f "LCDB Data for (1788) Kiess". Asteroid Lightcurve Database (LCDB). Retrieved 19 December 2016.
^ ^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 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 19 December 2016.
^ ^a ^b ^c Waszczak, Adam; Chang, Chan-Kao; Ofek, Eran O.; Laher, Russ; Masci, Frank; Levitan, David; et al. (September 2015). "Asteroid Light Curves from the Palomar Transient Factory Survey: Rotation Periods and Phase Functions from Sparse Photometry". The Astronomical Journal. 150 (3): 35. arXiv:1504.04041. Bibcode:2015AJ....150...75W. doi:10.1088/0004-6256/150/3/75. Retrieved 19 December 2016.
^ ^a ^b Polishook, D.; Ofek, E. O.; Waszczak, A.; Kulkarni, S. R.; Gal-Yam, A.; Aharonson, O.; et al. (April 2012). "Asteroid rotation periods from the Palomar Transient Factory survey". Monthly Notices of the Royal Astronomical Society. 421 (3): 2094–2108. arXiv:1201.1930. Bibcode:2012MNRAS.421.2094P. doi:10.1111/j.1365-2966.2012.20462.x.
^ Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. Retrieved 19 December 2016.
^ ^a ^b "1788 Kiess (1952 OZ)". Minor Planet Center. Retrieved 19 December 2016.
^ Schmadel, Lutz D. (2009). "Appendix – Publication Dates of the MPCs". Dictionary of Minor Planet Names – Addendum to Fifth Edition (2006–2008). Springer Berlin Heidelberg. p. 221. Bibcode:2009dmpn.book.....S. doi:10.1007/978-3-642-01965-4. ISBN 978-3-642-01964-7.

External links

Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
Dictionary of Minor Planet Names, Google books
Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
1788 Kiess at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
1788 Kiess at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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