1776 Kuiper

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1776 Kuiper
Discovery [1]
Discovered by C. J. van Houten
I. van Houten-G.
T. Gehrels
Discovery site Palomar Obs.
Discovery date24 September 1960
Designations
(1776) Kuiper
Named after
 Gerard Kuiper [2]
(Dutch astronomer)
2520 P-L ·1930 EB
1931 KK ·1938 SU
1952 DQ2 ·1963 FJ
main-belt  ·(outer)
Eos [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 87.08 yr (31,805 days)
Aphelion 3.1442 AU
Perihelion 3.0618 AU
3.1030 AU
Eccentricity 0.0133
5.47 yr (1,996 days)
36.958°
0° 10m 49.08s / day
Inclination 9.4929°
176.68°
306.29°
Physical characteristics
Dimensions35.96±1.6 km (IRAS:9) [4]
39.952±0.432 [5]
0.033±0.005 [5]
0.0544±0.005(IRAS:9) [4]
11.3 [1]

    1776 Kuiper, provisional designation 2520 P-L, is a dark Eoan asteroid from the outer region of the asteroid belt, approximately 38 kilometers in diameter.

    Contents

    It was discovered on 24 September 1960, by Dutch astronomer couple Ingrid and Cornelis van Houten in collaboration with Dutch–American astronomer Tom Gehrels at the U.S. Palomar Observatory in California, and named after Dutch astronomer Gerard Kuiper. [2] [6]

    Orbit and classification

    Kuiper is a member of 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 in the outer asteroid belt at a distance of 3.1–3.1  AU once every 5 years and 6 months (1,996 days). Its orbit has an eccentricity of 0.01 and an inclination of 9° with respect to the ecliptic. [1] Kuiper was first identified as 1930 EB at Heidelberg Observatory in 1930, extending its observation arc by 30 years prior to its official discovery observation. [6]

    Palomar–Leiden survey

    The survey designation "P-L" stands for Palomar–Leiden, named after Palomar and Leiden Observatory, which collaborated on the fruitful Palomar–Leiden survey in the 1960s. Gehrels used Palomar's Samuel Oschin telescope (also known as the 48-inch Schmidt Telescope), and shipped the photographic plates to Ingrid and Cornelis van Houten at Leiden Observatory where astrometry was carried out. The trio are credited with the discovery of several thousand minor planets. [8]

    Physical characteristics

    According to the surveys carried out by the Infrared Astronomical Satellite IRAS and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Kuiper measures 36.0 and 40.0 kilometers in diameter, and its surface has a low albedo of 0.033 and 0.054, respectively. [4] [5] Typical value for C-, D- or P-type asteroids in the outer main-belt. However, as of 2017, Kuiper's composition, as well as its rotation period and shape remain unknown. [9]

    Naming

    This minor planet is named after Dutch–American astronomer Gerard Kuiper (1905–1973), initiator of the Palomar-Leiden survey. He was a well-known authority in the field of planetary science and director at the Lunar and Planetary Laboratory and at Yerkes Observatory. He discovered Miranda and Nereid, satellites of Uranus and Neptune, respectively. [2]

    The third zone of the Solar System, the Kuiper belt, is named after him. Also, the Mercurian crater Kuiper , the Martian crater Kuiper and the lunar crater Kuiper all bear his name. [2] The official naming citation was published by the Minor Planet Center on 25 September 1971 ( M.P.C. 3185). [10]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 1776 Kuiper (2520 P-L)" (2017-03-30 last obs.). Jet Propulsion Laboratory . Retrieved 8 June 2017.
    2. 1 2 3 4 Schmadel, Lutz D. (2007). "(1776) Kuiper". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. p. 142. doi:10.1007/978-3-540-29925-7_1777. ISBN   978-3-540-00238-3.
    3. 1 2 "Asteroid 1776 Kuiper – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 26 October 2019.
    4. 1 2 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 . Retrieved 22 October 2019.
    5. 1 2 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. arXiv: 1209.5794 . Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8 . Retrieved 8 December 2016.
    6. 1 2 "1776 Kuiper (2520 P-L)". Minor Planet Center. Retrieved 24 June 2016.
    7. ↑ 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. ↑ "Minor Planet Discoverers". Minor Planet Center. 28 December 2015. Retrieved 1 January 2016.
    9. ↑ "LCDB Data for (1776) Kuiper". Asteroid Lightcurve Database (LCDB). Retrieved 4 April 2017.
    10. ↑ 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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