Astronomy:1044 Teutonia

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1044 Teutonia
Discovery[1]
Discovered byK. Reinmuth
Discovery siteHeidelberg Obs.
Discovery date10 May 1924
Designations
(1044) Teutonia
Pronunciation/tjuːˈtoʊniə/
Named afterLand of the Teutons[2]
1924 RO · 1925 XF
1929 RP · 1949 KX
1954 UY1 · 1958 RG
1958 UP · A907 EE
Minor planet categorymain-belt · (middle)
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc109.95 yr (40,158 days)
|{{{apsis}}}|helion}}2.9470 AU
|{{{apsis}}}|helion}}2.2044 AU
2.5757 AU
Eccentricity0.1442
Orbital period4.13 yr (1,510 days)
Mean anomaly147.35°
Mean motion0° 14m 18.24s / day
Inclination4.2515°
Longitude of ascending node59.962°
228.45°
Physical characteristics
Dimensions15.20±1.3 km[3]
15.30 km (derived)[4]
16.85±0.61 km[5]
17.511±0.213 km[6]
17.929±0.192 km[7]
Rotation period2.84±0.04 h[8]
3.140±0.0010 h[9]
3.153±0.003 h[10]
3.157±0.001 h[11]
3.158±0.001 h[12]
3.18±0.02 h[10]
Geometric albedo0.2449±0.0196[7]
0.251±0.049[6]
0.273±0.021[5]
0.3340±0.063[3]
0.3613 (derived)[4]
S[4]
Absolute magnitude (H)10.533±0.002 (R)[9] · 10.8[1][4] · 10.9[3][5][7]


1044 Teutonia, provisional designation 1924 RO, is a stony asteroid from the central regions of the asteroid belt, approximately 16 kilometers in diameter. It was discovered on 10 May 1924, by astronomer Karl Reinmuth at Heidelberg Observatory in southwest Germany.[13] The asteroid was named after the land inhabited by the Teutonic people.[2]

Classification and orbit

Teutonia orbits the Sun in the central main-belt at a distance of 2.2–2.9 AU once every 4 years and 2 months (1,510 days). Its orbit has an eccentricity of 0.14 and an inclination of 4° with respect to the ecliptic.[1]

The asteroid's observation arc begin 17 years prior to its official discovery observation, with its first identification as A907 EE at Taunton Observatory (803) in March 1907.[13]

Physical characteristics

Lightcurves

Images of the object made during 2007 were used to produce a light curve that gave a synodic period of 2.84 ± 0.04 h. However, a study made in 2006 gave a period of 3.153 ± 0.003, which can not yet be ruled out. The brightness of the object varied by 0.20 ± 0.03 in magnitude over the course of each rotation.[8]

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, Teutonia measures between 15.20 and 17.929 kilometers in diameter and its surface has an albedo between 0.2449 and 0.3340.[3][5][6][7] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.3613 and a diameter of 15.30 kilometers based on an absolute magnitude of 10.8.[4]

Naming

This minor planet was named for the land once inhabited by the Teutons, a Germanic tribe that lived in what is now Jutland. The name was proposed by astronomer Gustav Stracke.[2]

References

  1. ↑ 1.0 1.1 1.2 1.3 "JPL Small-Body Database Browser: 1044 Teutonia (1924 RO)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001044. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(1044) Teutonia". Dictionary of Minor Planet Names – (1044) Teutonia. Springer Berlin Heidelberg. p. 89. doi:10.1007/978-3-540-29925-7_1045. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 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. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 "LCDB Data for (1044) Teutonia". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1044%7CTeutonia. 
  5. ↑ 5.0 5.1 5.2 5.3 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)
  6. ↑ 6.0 6.1 6.2 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. doi:10.1088/0004-637X/791/2/121. Bibcode: 2014ApJ...791..121M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014ApJ...791..121M. Retrieved 30 June 2017. 
  7. ↑ 7.0 7.1 7.2 7.3 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. doi:10.1088/0004-637X/741/2/90. Bibcode: 2011ApJ...741...90M. 
  8. ↑ 8.0 8.1 Betzler, Alberto Silva; Ferreira, Diogo Henrique; Dos Santos, Tarcio Henrique Ribeiro; Novaes, Alberto Brum (March 2008). "Lightcurve and Rotation Period of 1044 Teutonia". The Minor Planet Bulletin 35 (1): 26. ISSN 1052-8091. Bibcode: 2008MPBu...35...26B. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2008MPBu...35...26B. Retrieved 30 June 2017. 
  9. ↑ 9.0 9.1 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. doi:10.1088/0004-6256/150/3/75. Bibcode: 2015AJ....150...75W. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015AJ....150...75W. Retrieved 30 June 2017. 
  10. ↑ 10.0 10.1 Behrend, Raoul. "Asteroids and comets rotation curves – (1044) Teutonia". Geneva Observatory. http://obswww.unige.ch/~behrend/page3cou.html#001044. 
  11. ↑ Klinglesmith, Daniel A. III; Hanowell, Jesse; Risley, Ethan; Turk, Janek; Vargas, Angelica; Warren, Curtis Alan (July 2014). "Lightcurves for Inversion Model Candidates". The Minor Planet Bulletin 41 (3): 139–143. ISSN 1052-8091. Bibcode: 2014MPBu...41..139K. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2014MPBu...41..139K. Retrieved 30 June 2017. 
  12. ↑ Klinglesmith, Daniel A. III (January 2017). "Asteroid Photometry Results from Etscorn Observatory". The Minor Planet Bulletin 44 (1): 69–72. ISSN 1052-8091. Bibcode: 2017MPBu...44...69K. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2017MPBu...44...69K. Retrieved 30 June 2017. 
  13. ↑ 13.0 13.1 "1044 Teutonia (1924 RO)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1044. 

External links



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