1767 Lampland

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1767 Lampland
001767-asteroid shape model (1767) Lampland.png
Shape model of Lampland from its lightcurve
Discovery [1]
Discovered by Indiana University
(Indiana Asteroid Program)
Discovery site Goethe Link Obs.
Discovery date7 September 1962
Designations
(1767) Lampland
Named after
 Carl Lampland [2]
(American astronomer)
1962 RJ ·1941 SP
1967 SC
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)
Aphelion 3.3209 AU
Perihelion 2.7160 AU
3.0185 AU
Eccentricity 0.1002
5.24 yr (1,915 days)
201.21°
0° 11m 16.44s / day
Inclination 9.8418°
192.22°
135.41°
Physical characteristics
Dimensions15.448±2.805 km [4]
0.116±0.057 [5]
Tholen = XC [1]
B–V = 0.750 [1]
U–B = 0.340 [1]
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]

    Contents

    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]

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    References

    1. 1 2 3 4 5 6 7 8 "JPL Small-Body Database Browser: 1767 Lampland (1962 RJ)" (2017-03-30 last obs.). Jet Propulsion Laboratory . Retrieved 6 September 2017.
    2. 1 2 3 4 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. 1 2 "Asteroid 1767 Lampland – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
    4. 1 2 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. arXiv: 1209.5794 . Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8 . Retrieved 6 September 2017.
    5. 1 2 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. arXiv: 1509.02522 . Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117 . Retrieved 6 September 2017.
    6. 1 2 "1767 Lampland (1962 RJ)". Minor Planet Center. Retrieved 6 September 2017.
    7. 1 2 Nesvorný, D.; Broz, M.; Carruba, V. (December 2014). "Identification and Dynamical Properties of Asteroid Families". Asteroids IV. pp. 297–321. arXiv: 1502.01628 . Bibcode:2015aste.book..297N. doi:10.2458/azu_uapress_9780816532131-ch016. ISBN   9780816532131.
    8. ↑ "LCDB Data for (1767) Lampland". Asteroid Lightcurve Database (LCDB). Retrieved 6 September 2017.
    9. ↑ 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.
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