1776 Kuiper

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1776 Kuiper
Discovery [1]
Discovered by Palomar–Leiden survey
C. J. van Houten, I. van Houten-Groeneveld and Tom Gehrels
Discovery site Palomar Obs.
Discovery date 24 September 1960
Designations
MPC designation 1776 Kuiper
Named after
Gerard Kuiper[2]
2520 P–L · 1930 EB
1931 KK · 1938 SU
1952 DQ2 · 1963 FJ
main-belt
Orbital characteristics[1]
Epoch 27 June 2015 (JD 2457200.5)
Uncertainty parameter 0
Observation arc 85.56 yr (31,249 days)
Aphelion 3.1451 AU
Perihelion 3.0624 AU
3.1038 AU
Eccentricity 0.0133
5.47 yr (1997.2 days)
255.46°
Inclination 9.4926°
176.68°
303.50°
Earth MOID 2.0829 AU
Physical characteristics
Dimensions 36 km
0.0544
11.3

1776 Kuiper, also designated 2520 P–L, is an asteroid from the asteroid belt, about 36 kilometers in diameter. It was discovered on September 24, 1960 by Cornelis van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory, San Diego, California. The asteroid has an exceptionally low eccentricity of only 0.01 and orbits the Sun at a distance of 3.06–3.10 AU once every five and a half years (1,997 days). Its geometric albedo of 0.054 has been measured by the Infrared Astronomical Satellite, IRAS.[1]

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

The asteroid 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. The Mercurian, Martian and lunar craters Kuiper bear his name and the third zone of the Solar System, the Kuiper belt, is named after him.[2]

References

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External links


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