Misplaced Pages

183 Istria

Article snapshot taken from Wikipedia with creative commons attribution-sharealike license. Give it a read and then ask your questions in the chat. We can research this topic together.

183 Istria
Lightcurve-based 3D-model of Istria
Discovery
Discovered byJ. Palisa
Discovery siteAustrian Naval Obs.
Discovery date8 February 1878
Designations
MPC designation(183) Istria
Pronunciation/ˈɪstriə/
Named afterIstrian Peninsula
(in the Adriatic Sea)
Alternative designationsA878 CD; 1948 CG
Minor planet categorymain-belt · (middle)
background
Orbital characteristics
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc112.08 yr (40,937 d)
Aphelion3.7699 AU
Perihelion1.8117 AU
Semi-major axis2.7908 AU
Eccentricity0.3508
Orbital period (sidereal)4.66 yr (1,703 d)
Mean anomaly61.603°
Mean motion0° 12 41.04 / day
Inclination26.391°
Longitude of ascending node141.95°
Argument of perihelion264.12°
Physical characteristics
Mean diameter30.779±0.278 km
32.927±0.168 km
34.55±0.84 km
35.43±2.8 km
Synodic rotation period11.6±0.5 h
11.77 h
Geometric albedo0.1890±0.034
0.201±0.012
0.227±0.038
0.2582±0.0384
Spectral typeTholen = S
SMASS = S
S
B–V = 0.842
U–B = 0.359
Absolute magnitude (H)9.56±0.45
9.66
9.68

183 Istria is a stony background asteroid from the central regions of the asteroid belt, approximately 33 kilometers (21 miles) in diameter. It was discovered on 8 February 1878, by Austrian astronomer Johann Palisa at the Austrian Naval Observatory in Pola, in what is now Croatia. The S-type asteroid has a rotation period of 11.77 hours. It was named for the Istrian Peninsula.

Orbit and classification

Istria is a non-family asteroid from the main belt's background population. It orbits the Sun in the central main-belt at a distance of 1.8–3.8 AU once every 4 years and 8 months (1,703 days; semi-major axis of 2.79 AU). Its orbit has an eccentricity of 0.35 and an inclination of 26° with respect to the ecliptic.

Physical characteristics

Istria has been characterized as a common, stony S-type asteroid in both the Tholen and SMASS classification.

Rotation period

In August 1979, a rotational lightcurve of Istria was obtained from photometric observations by American astronomer Alain Harris. Lightcurve analysis gave a well-defined rotation period of 11.77 hours with a brightness amplitude of 0.31 magnitude (U=3). Observations by French amateur astronomer Laurent Bernasconi gave a similar period of 11.6 hours (U=2).

Diameter and albedo

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, Istria measures between 30.779 and 35.43 kilometers in diameter and its surface has an albedo between 0.1890 and 0.2582.

Naming

This minor planet was named after the Istrian Peninsula in the Adriatic Sea, where the city of Pula (then Pola) with its discovering observatory is located. A the time the peninsula was part of the Austro-Hungarian Empire. The asteroid's name was given by Vice-Admiral Bernhard von Wüllerstorf-Urbair, who is known as the captain of the first Austrian circumnavigatory adventure with the sail frigate SMS Novara. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (H 183).

References

  1. ^ "183 Istria". Minor Planet Center. Retrieved 30 May 2018.
  2. Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ Schmadel, Lutz D. (2007). "(183) Istria". Dictionary of Minor Planet Names – (183) Istria. Springer Berlin Heidelberg. p. 31. doi:10.1007/978-3-540-29925-7_184. ISBN 978-3-540-00238-3.
  4. ^ "JPL Small-Body Database Browser: 183 Istria" (2018-03-23 last obs.). Jet Propulsion Laboratory. Retrieved 30 May 2018.
  5. ^ "Asteroid 183 Istria". Small Bodies Data Ferret. Retrieved 30 May 2018.
  6. ^ "Asteroid (183) Istria". AstDyS-2, Asteroids – Dynamic Site. Retrieved 30 May 2018.
  7. ^ 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. S2CID 35447010. (catalog)
  8. ^ 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. S2CID 119293330.
  9. ^ 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)
  10. ^ Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System. 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode:2004PDSS...12.....T. Retrieved 22 October 2019.
  11. ^ Behrend, Raoul. "Asteroids and comets rotation curves – (183) Istria". Geneva Observatory. Retrieved 30 May 2018.
  12. ^ Harris, A. W.; Young, J. W. (April 1983). "Asteroid rotation. IV". Icarus. 54 (1): 59–109. Bibcode:1983Icar...54...59H. doi:10.1016/0019-1035(83)90072-6. ISSN 0019-1035.
  13. ^ "LCDB Data for (183) Istria". Asteroid Lightcurve Database (LCDB). Retrieved 30 May 2018.
  14. Belskaya, I. N.; Fornasier, S.; Tozzi, G. P.; Gil-Hutton, R.; Cellino, A.; Antonyuk, K.; et al. (March 2017). "Refining the asteroid taxonomy by polarimetric observations". Icarus. 284: 30–42. Bibcode:2017Icar..284...30B. doi:10.1016/j.icarus.2016.11.003. hdl:11336/63617.
  15. ^ 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. S2CID 53493339.

External links

Minor planets navigator
Small Solar System bodies
Minor planets
Asteroid
Distant minor planet
Comets
Other
Categories: