Astronomy:1767 Lampland
_Lampland.png) Shape model of Lampland from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | Indiana University (Indiana Asteroid Program) |
| Discovery site | Goethe Link Obs. |
| Discovery date | 7 September 1962 |
| Designations | |
| (1767) Lampland | |
| Named after | Carl Lampland[2] (American astronomer) |
| 1962 RJ · 1941 SP 1967 SC | |
| Minor planet category | main-belt · (outer) Eos[3] |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 75.52 yr (27,585 days) |
| |{{{apsis}}}|helion}} | 3.3209 AU |
| |{{{apsis}}}|helion}} | 2.7160 AU |
| 3.0185 AU | |
| Eccentricity | 0.1002 |
| Orbital period | 5.24 yr (1,915 days) |
| Mean anomaly | 201.21° |
| Mean motion | 0° 11m 16.44s / day |
| Inclination | 9.8418° |
| Longitude of ascending node | 192.22° |
| 135.41° | |
| Physical characteristics | |
| Dimensions | 15.448±2.805 km[4] |
| Geometric albedo | 0.116±0.057[5] |
| Tholen = XC[1] B–V = 0.750[1] U–B = 0.340[1] | |
| Absolute magnitude (H) | 12.20[1] |
1767 Lampland, provisional designation 1962 RJ, is an Eoan asteroid from the outer regions of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 7 September 1962, by astronomers of the Indiana Asteroid Program at Goethe Link Observatory in Indiana, United States.[6] The asteroid was named after American astronomer Carl Lampland.[2]
Orbit and classification
Lampland a member the Eos family (606), the largest asteroid family in the outer main belt consisting of nearly 10,000 asteroids.[3][7]:23 It orbits the Sun at a distance of 2.7–3.3 AU once every 5 years and 3 months (1,915 days). Its orbit has an eccentricity of 0.10 and an inclination of 10° with respect to the ecliptic.[1]
The asteroid was first identified as 1941 SP at Uccle Observatory in September 1941. The body's observation arc begins with a precovery at Palomar Observatory in August 1951, more than 11 years prior to its official discovery observation at Goethe Link.[6]
Physical characteristics
In the Tholen classification, its spectral type is ambiguous, closest to the X-type asteroid and with some resemblance to the C-type asteroids,[1] while the overall spectral type of the Eos family is that of a K-type.[7]:23
Rotation period
As of 2017, no rotational lightcurve of Lampland has been obtained from photometric observations. The asteroid's rotation period, poles and shape remain unknown.[8]
Diameter and albedo
According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Lampland measures 15.448 kilometers in diameter and its surface has an albedo of 0.116.[4][5]
Naming
This minor planet was named after American astronomer Carl Lampland (1873–1951), a graduate of Indiana University, best known for his radiometric measurements of planetary temperatures.[2]
Lampland is also honored by a lunar and by a Martian crater. The name was proposed by Frank K. Edmondson, who initiated the Indiana Asteroid Program.[2] The official naming citation was published by the Minor Planet Center on 20 February 1971 (M.P.C. 3144).[9]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 "JPL Small-Body Database Browser: 1767 Lampland (1962 RJ)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001767. Retrieved 6 September 2017.
- ↑ 2.0 2.1 2.2 2.3 Schmadel, Lutz D. (2007). "(1767) Lampland". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 141. doi:10.1007/978-3-540-29925-7_1768. ISBN 978-3-540-00238-3.
- ↑ 3.0 3.1 "Asteroid 1767 Lampland – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=1767+Lampland#Asteroid%201767%20LamplandEAR-A-VARGBDET-5-NESVORNYFAM-V3.0. Retrieved 26 October 2019.
- ↑ 4.0 4.1 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 6 September 2017.
- ↑ 5.0 5.1 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 6 September 2017.
- ↑ 6.0 6.1 "1767 Lampland (1962 RJ)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=1767. Retrieved 6 September 2017.
- ↑ 7.0 7.1 Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN 9780816532131. Bibcode: 2015aste.book..297N.
- ↑ "LCDB Data for (1767) Lampland". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1767%7CLampland. Retrieved 6 September 2017.
- ↑ 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. doi:10.1007/978-3-642-01965-4. ISBN 978-3-642-01964-7. https://archive.org/details/dictionaryminorp2008schm.
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 (1)-(5000) – Minor Planet Center
- 1767 Lampland at AstDyS-2, Asteroids—Dynamic Site
- 1767 Lampland at the JPL Small-Body Database
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