10551 Göteborg

Short description: Asteroid

10551 GöteborgDiscovery[1]

Discovered by| E. W. Elst
Discovery site| CERGA (Caussols Obs.)
Discovery date| 18 December 1992
Designations

MPC designation

| (10551) Göteborg
Named after| Gothenburg
(Swedish city)[2]

Alternative designations

| 1992 YL2 * 1931 AK
1994 EB3
Minor planet category| main-belt * Eos[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc| 85.88 yr (31,367 days)
|{{{apsis}}}|helion}}| 3.1824 AU
|{{{apsis}}}|helion}}| 2.8048 AU

Semi-major axis

| 2.9936 AU
Eccentricity| 0.0631
Orbital period| 5.18 yr (1,892 days)
Mean anomaly| 271.72°
Mean motion| 0° 11m 25.08s / day
Inclination| 11.381°
Longitude of ascending node| 93.068°

|{{{apsis}}}|helion}}

| 8.4760°
Physical characteristics
Dimensions| 11.53 km (calculated)[3]
15.491±0.101 km[4]
15.689±0.128[5]
Rotation period| 335.3458±4.6612 h[6]
Geometric albedo| 0.084±0.010[5]
0.1169±0.0139[4]
0.14 (assumed)[3]

Spectral type

| S[3]
Absolute magnitude (H)| 11.993±0.005 (R)[6] * 12.0[4] * 12.03±0.33[7] * 12.1[1] * 12.44[3]

10551 Göteborg, provisional designation 1992 YL2, is a stony Eoan asteroid and slow rotator from the outer region of the asteroid belt, approximately 13 kilometers in diameter. It was discovered on 18 December 1992, by Belgian astronomer Eric Elst at CERGA in Caussols (010), southeastern France.[8] The asteroid was named after the Swedish city of Gothenburg (Göteborg).[2]

## Contents

* 1 Orbit and classification
* 2 Physical characteristics
* 2.1 Slow rotator
* 2.2 Diameter and albedo
* 3 Naming
* 4 References
* 5 External links

## Orbit and classification

Göteborg is a member of the Eos family, an orbital group of more than 4,000 asteroids, which are well known for mostly being of stony composition with a relatively high albedo. It orbits the Sun in the outer main-belt at a distance of 2.8–3.2 AU once every 5 years and 2 months (1,892 days). Its orbit has an eccentricity of 0.06 and an inclination of 11° with respect to the ecliptic.[1]

The body's observation arc begins 61 years prior to its official discovery observation, with a precovery taken the night before its first identification as 1931 AK at Lowell Observatory in January 1931.[8]

## Physical characteristics

### Slow rotator

In September 2012, photometric observations of Göteborg at the Palomar Transient Factory, California, rendered a rotational lightcurve with a period of 335.3458 hours, or 14 days, and a brightness variation of 0.70 magnitude ({{{1}}}).[6] This makes a slow rotator, as most asteroids of this size typically have much shorter rotation periods.

### Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Göteborg measures 15.491 and 15.689 kilometers in diameter and its surface has an albedo of 0.084 and 0.1169, respectively[4][5] The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.14, taken from 221 Eos, the family's largest member and namesake – and calculates a diameter of 11.53 kilometers based on an absolute magnitude of 12.44.[3]

## Naming

This minor planet was named after Gothenburg (Göteborg), Sweden's second-largest city and the largest port in the Nordic countries, located on the country's southwest coast. Founded in the early 17th century and heavily influenced by the Dutch, the city still has its typical canal system. Later, the Swedes acquired political power over Gothenburg and the city flourished with the development of the Swedish East India Company in the early 18th century.[2] The approved naming citation was published by the Minor Planet Center on 20 March 2000 (M.P.C. 39655).[9]

## References

1. ↑ 1.0 1.1 1.2 1.3 "JPL Small-Body Database Browser: 10551 Goteborg (1992 YL2)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2010551.
2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(10551) Göteborg". Dictionary of Minor Planet Names – (10551) Göteborg. Springer Berlin Heidelberg. p. 737. doi:10.1007/978-3-540-29925-7_8015. ISBN 978-3-540-00238-3.
3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "LCDB Data for (10551) Goteborg". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=10551|Goteborg.
4. ↑ 4.0 4.1 4.2 4.3 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. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...90M. Retrieved 17 May 2016.
5. ↑ 5.0 5.1 5.2 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. doi:10.1088/0004-637X/741/2/68. Bibcode: 2011ApJ...741...68M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M. Retrieved 4 December 2016.
6. ↑ 6.0 6.1 6.2 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 17 May 2016.
7. ↑ 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. doi:10.1016/j.icarus.2015.08.007. Bibcode: 2015Icar..261...34V. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V. Retrieved 17 May 2016.
8. ↑ 8.0 8.1 "10551 Goteborg (1992 YL2)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=10551.
9. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html.

## External links

* Asteroid Lightcurve Database (LCDB), query form (info )
* Dictionary of Minor Planet Names, Google books
* Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
* Discovery Circumstances: Numbered Minor Planets (10001)-(15000) – Minor Planet Center
* 10551 Göteborg at AstDyS-2, Asteroids—Dynamic Site
* Ephemeris * Observation prediction * Orbital info * Proper elements * Observational info
* 10551 Göteborg at the JPL Small-Body Database
* Close approach * Discovery * Ephemeris * Orbit diagram * Orbital elements * Physical parameters

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