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Orthosie (moon)

From Wikipedia, the free encyclopedia
Moon of Jupiter

Orthosie
Discovery image of Orthosie by theCanada-France-Hawaii Telescope in December 2001
Discovery [1]
Discovered byScott S. Sheppard
David C. Jewitt
Yanga R. Fernandez
Discovery siteMauna Kea Observatory
Discovery date11 December 2001
Designations
Designation
Jupiter XXXV
Pronunciation/ɔːrˈθoʊziː/
Named after
ΟρθωσίαOrthōsia
S/2001 J 9
AdjectivesOrthosian[2]/ɔːrˈθoʊʒiən/[3]
Orbital characteristics [4]
Epoch 17 December 2020 (JD 2459200.5)
Observation arc16.29yr (5,949 days)
0.1415163 AU (21,170,540 km)
Eccentricity0.4837243
–629.29 d
333.61997°
0° 34m 19.449s / day
Inclination148.48740° (toecliptic)
287.90005°
261.21085°
Satellite ofJupiter
GroupAnanke group
Physical characteristics[5]
2 km
Albedo0.04 (assumed)
23.1[6]
16.6[4]

Orthosie/ɔːrˈθoʊziː/, also known asJupiter XXXV, is anatural satellite ofJupiter. It was discovered by a team of astronomers from theUniversity of Hawaii led byScott S. Sheppard in 2001, and given the temporary designationS/2001 J 9.[7][1]

Orthosie is about 2 kilometres in diameter, and orbits Jupiter at an average distance of 21,075,662 km in 625.07 days, at aninclination of 146.46° to theecliptic (143° to Jupiter's equator), in aretrograde direction and with aneccentricity of 0.3376.[8]

It was named in August 2003 afterOrthosie, theGreekgoddess of prosperity and one of theHorae.[9] The Horae (Hours) were daughters ofZeus andThemis.

Orthosie belongs to theAnanke group.

References

[edit]
  1. ^abBrian G. Marsden (15 May 2003)."MPEC 2002-J54: Eleven New Satellites of Jupiter". International Astronomical Union Minor Planet Center.
  2. ^William Beloe (1821)Herodotus, translated from the Greek, with notes, vol. 2, p. 451
  3. ^per 'Orthosia' in Noah Webster (1884)A Practical Dictionary of the English Language
  4. ^ab"M.P.C. 127087"(PDF).Minor Planet Circular. Minor Planet Center. 17 November 2020.
  5. ^"Planetary Satellite Physical Parameters".Jet Propulsion Laboratory. 19 February 2015. Retrieved26 November 2020.
  6. ^Sheppard, Scott."Scott S. Sheppard - Jupiter Moons".Department of Terrestrial Magnetism. Carnegie Institution for Science. Retrieved26 November 2020.
  7. ^Daniel W. E. Green (16 May 2002)."IAUC 7900: Satellites of Jupiter".International Astronomical Union.
  8. ^"Ephemeris of Orthosie, Epoch 2017 Feb. 16.0 TT = JDT 2457800.5".MPC. Retrieved13 August 2018.
  9. ^Daniel W. E. Green (8 August 2003)."IAUC 8177: Satellites of Jupiter, Saturn, Uranus". International Astronomical Union.
Listed in increasing approximate distance from Jupiter
Inner moons
Galilean moons
Themisto
Himalia group (9)
Carpo group (2)
Valetudo
Ananke group (27)
Carme group (31)
Pasiphae group (18)
See also
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