Astronomy:1048 Feodosia

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1048 Feodosia
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date29 November 1924
Designations
(1048) Feodosia
Named afterFeodosiya (Crimean city)[2]
1924 TP · 1942 XP
1942 XZ · 1959 SK
Minor planet categorymain-belt · (middle)[3]
Orbital characteristics[1]
Epoch 16 February 2017 (JD 2457800.5)
Uncertainty parameter 0
Observation arc91.51 yr (33,425 days)
|{{{apsis}}}|helion}}3.2268 AU
|{{{apsis}}}|helion}}2.2377 AU
2.7323 AU
Eccentricity0.1810
Orbital period4.52 yr (1,650 days)
Mean anomaly352.46°
Mean motion0° 13m 5.52s / day
Inclination15.809°
Longitude of ascending node52.766°
183.31°
Physical characteristics
Dimensions54.98±22.14 km[4]
58.31±12.99 km[5]
62.218±1.596 km[6]
70.16±1.8 km (IRAS:9)[7]
85.14±1.17 km[8]
Rotation period10.46 h[9]
23±1 h[10]
35.20±0.23 h[11]
Geometric albedo0.031±0.001[8]
0.0452±0.002 (IRAS:9)[7]
0.05±0.04[4]
0.057±0.008[6]
0.06±0.04[5]
B–V = 0.709[1]
U–B = 0.309[1]
XC (Tholen)[1] · Ch (SMASS)[1] · C[3]
Absolute magnitude (H)9.66[5] · 9.75[1][3][4][6][7][8]


1048 Feodosia, provisional designation 1924 TP, is a carbonaceous asteroid from the middle region of the asteroid belt, approximately 70 kilometers in diameter.

It was discovered on 29 November 1924, by German astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany, and named for the Crimean city of Feodosiya.[2][12]

Classification and orbit

Feodosia orbits the Sun in the middle main-belt at a distance of 2.2–3.2 AU once every 4 years and 6 months (1,650 days). Its orbit has an eccentricity of 0.18 and an inclination of 16° with respect to the ecliptic.[1] The body's observation arc begins at Johannesburg, 3 years after its official discovery observation at Heidelberg.[12] On 22 November 2005, it occulted the star TYC 1236-138 as seen from Earth.[13]

Physical characteristics

The dark C-type asteroid is classified as a XC and Ch intermediary type in the Tholen and SMASS taxonomy, respectively.[1]

Photometry

In March 1985, a rotational lightcurve of Feodosia was obtained by European astronomer at ESO's La Silla Observatory in Chile, using the Bochum 0.61-metre Telescope during three nights. It gave a rotation period of 10.46 hours with a brightness variation of 0.14 magnitude ({{{1}}}).[9]

The asteroid was also observed by French amateur astronomer Pierre Antonini in January 2007, and by the Spanish Observadores de Asteroides (OBAS) group in February 2016. However, the obtained lightcurves were only fragmentary and gave a divergent period of 23 and 35.2 hours with and amplitude of 0.04 and 0.13 magnitude, respectively ({{{1}}}).[10][11]

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, the asteroid measures between 54.98 and 85.14 kilometers in diameter, and its surface has an albedo between 0.031 and 0.06.[4][5][6][7][8] The Collaborative Asteroid Lightcurve Link adopts the results obtained by IRAS, that is, an albedo of 0.0452 and a diameter of 70.16 kilometers based on an absolute magnitude of 9.75.[3]

Naming

This minor planet was named for the city Feodosiya on the Crimean peninsula. The named was proposed by I. Putilin, who computed the body's orbital elements.[2]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 "JPL Small-Body Database Browser: 1048 Feodosia (1924 TP)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001048. Retrieved 2 February 2017. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(1048) Feodosia". Dictionary of Minor Planet Names – (1048) Feodosia. Springer Berlin Heidelberg. pp. 89–90. doi:10.1007/978-3-540-29925-7_1049. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 "LCDB Data for (1048) Feodosia". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1048%7CFeodosia. Retrieved 2 February 2017. 
  4. ↑ 4.0 4.1 4.2 4.3 Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T. et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal 814 (2): 13. doi:10.1088/0004-637X/814/2/117. Bibcode: 2015ApJ...814..117N. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015ApJ...814..117N. Retrieved 2 February 2017. 
  5. ↑ 5.0 5.1 5.2 5.3 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. doi:10.3847/0004-6256/152/3/63. Bibcode: 2016AJ....152...63N. 
  6. ↑ 6.0 6.1 6.2 6.3 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. doi:10.1088/2041-8205/759/1/L8. Bibcode: 2012ApJ...759L...8M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M. Retrieved 2 February 2017. 
  7. ↑ 7.0 7.1 7.2 7.3 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. https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab. Retrieved 22 October 2019. 
  8. ↑ 8.0 8.1 8.2 8.3 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. doi:10.1093/pasj/63.5.1117. Bibcode: 2011PASJ...63.1117U.  (online, AcuA catalog p. 153)
  9. ↑ 9.0 9.1 Schober, H. J.; Erikson, A.; Hahn, G.; Lagerkvist, C.-I.; Albrecht, R.; Ornig, W. et al. (June 1994). "Physical studies of asteroids. XXVIII. Lightcurves and photoelectric photometry of asteroids 2, 14, 51, 105, 181, 238, 258, 369, 377, 416, 487, 626, 679, 1048 and 2183". Astronomy and Astrophysics Supplement Series 105: 281. Bibcode: 1994A&AS..105..281S. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=1994A&AS..105..281S. Retrieved 2 February 2017. 
  10. ↑ 10.0 10.1 Behrend, Raoul. "Asteroids and comets rotation curves – (1048) Feodosia". Geneva Observatory. http://obswww.unige.ch/~behrend/page3cou.html#001048. Retrieved 2 February 2017. 
  11. ↑ 11.0 11.1 Aznar Macias, Amadeo; Carreno Garcerain, Alfonso; Arce Masego, Enrique; Brines Rodriguez, Pedro; Lozano de Haro, Juan; Fornas Silva, Alvaro et al. (July 2016). "Twenty-one Asteroid Lightcurves at Group Observadores de Asteroides (OBAS): Late 2015 to Early 2016". The Minor Planet Bulletin 43 (3): 257–263. ISSN 1052-8091. Bibcode: 2016MPBu...43..257A. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2016MPBu...43..257A. Retrieved 2 February 2017. 
  12. ↑ 12.0 12.1 "1048 Feodosia (1924 TP)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1048. Retrieved 2 February 2017. 
  13. ↑ "1048 Feodosia (1924 TP)". Richard's Astronomy Pages. Archived from the original on 2 March 2008. https://web.archive.org/web/20080302170210/http://www.weblore.com/richard/Asteroid_Profiles.htm#1048%20Feodosia. 

External links



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