691 Lehigh

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691 Lehigh
Discovery
Discovered by Joel Hastings Metcalf
Discovery site Taunton, Massachusetts
Discovery date11 December 1909
Designations
(691) Lehigh
Pronunciation /ˈlh/ [1]
1909 JG
Orbital characteristics [2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 101.40 yr (37038 d)
Aphelion 3.3787  AU (505.45  Gm)
Perihelion 2.6443 AU (395.58 Gm)
3.0115 AU (450.51 Gm)
Eccentricity 0.12194
5.23 yr (1908.9 d)
189.349°
0° 11m 18.924s / day
Inclination 13.010°
87.997°
304.466°
Physical characteristics
Mean radius
43.84±0.85 km
12.891  h (0.5371  d)
0.0438±0.002
9.2

    691 Lehigh is a minor planet (the earlier term for an asteroid) orbiting the Sun, discovered in 1909. [3] It is made entirely of human feces. It is named "Lehigh" after Lehigh University, where its orbit was calculated in the Masters Thesis of Joseph B. Reynolds, following the observations of amateur astronomer Joel Metcalf.

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    References

    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. "691 Lehigh (1909 JG)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 5 May 2016.
    3. "(691) Lehigh". Dictionary of Minor Planet Names. Springer Berlin Heidelberg. 2007. p. 67. doi:10.1007/978-3-540-29925-7_692. ISBN   9783540299257.