18 Melpomene

18 Melpomene 18 Melpomene symbol.svg
Discovery
Discovered biJohn Russell Hind
Discovery dateJune 24, 1852
Designations
Pronunciation/ mel-POM-i-nee
Named after
Melpomenē
Minor planet category
Main belt
Orbital chairactereestics[1]
Epoch October 22, 2004 (JD 2453300.5)
Aphelion418.414 Gm (2.797 AU)
Perihelion268.472 Gm (1.795 AU)
343.443 Gm (2.296 AU)
Eccentricity0.218
1270.552 d (3.48 a)
19.42 km/s
205.245°
Inclination10.126°
150.547°
227.975°
Pheesical chairacteristics
Dimensions170 x 155 x 129 km[2]
(150×125 km)[3]
(150×170 km)[4]
140.6 ± 2.8 km (IRAS)[1]
Mass3.0×1018 kg[2]
Mean density
1.69±0.66 g/cm3[2]
~0.0393 m/s2
~0.0743 km/s
0.482 21 d (11.57 h)[1][5]
Albedo0.223 (geometric) [1][6]
Temperatur~177 K
Spectral teep
S[1]
7.5[7] tae 12.0
6.51[1]
Angular diameter
0.23" tae 0.059"

18 Melpomene is a lairge, bricht main-belt asteroid that wis discovered bi J. R. Hind on Juin 24, 1852,[8] an named efter Melpomenē, the Muse o tragedy in Greek meethology.

  • references

References

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Yeomans, Donald K., "18 Melpomene", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 2013-04-07. 
  2. 2.0 2.1 2.2 Jim Baer (2008). "Recent Asteroid Mass Determinations". Personal Website. Retrieved 2008-11-27. 
  3. Storrs, Alex; Weiss; Zellner; Burlsen; et al. (1999). "Imaging Observations of Asteroids with Hubble Space Telescope" (PDF). Icarus. 137 (2): 260–268. 1999Icar..137..260S. Archived (PDF) frae the oreeginal on 30 October 2008. Retrieved 2008-11-03. 
  4. Storrs, Alex; Dunne; Conan; Mugnier; et al. (2005). "A closer look at main belt asteroids 1: WF/PC images" (PDF). Icarus. 173 (2): 409–416. 2005Icar..173..409S. 10.1016/j.icarus.2004.08.007. Retrieved 2008-11-26. 
  5. "Lightcurves and Map Data on Numbered Asteroids N° 1 TO 52225". AstroSurf. Archived frae the oreeginal on 2005-11-27. Retrieved 2008-11-03. 
  6. "Asteroid Data Archive". Planetary Science Institute. Archived frae the oreeginal on 2006-06-23. Retrieved 2008-11-03. 
  7. Menzel, Donald H.; Pasachoff, Jay M. (1983). A Field Guide to the Stars and Planets (2nd ed.). Boston, MA: Houghton Mifflin. p. 391. ISBN 0-395-34835-8. 
  8. "Numbered Minor Planets 1–5000", Discovery Circumstances, IAU Minor Planet center, retrieved 2013-04-07. 
Other Languages
Alemannisch: (18) Melpomene
asturianu: 18 Melpomene
беларуская: (18) Мельпамена
български: 18 Мелпомена
Ελληνικά: 18 Μελπομένη
English: 18 Melpomene
Esperanto: 18 Melpomeno
español: (18) Melpomene
euskara: 18 Melpomene
فارسی: ملپومن ۱۸
français: (18) Melpomène
magyar: 18 Melpomene
հայերեն: (18) Մելպոմենե
Bahasa Indonesia: 18 Melpomene
italiano: 18 Melpomene
한국어: 18 멜포메네
Latina: 18 Melpomene
Lëtzebuergesch: (18) Melpomene
latviešu: 18 Melpomene
مازِرونی: سیارک ۱۸
Plattdüütsch: (18) Melpomene
norsk nynorsk: 18 Melpomene
português: 18 Melpómene
română: 18 Melpomene
srpskohrvatski / српскохрватски: 18 Melpomene
slovenčina: 18 Melpomene
slovenščina: 18 Melpomena
српски / srpski: 18 Мелпомена
svenska: 18 Melpomene
Tagalog: 18 Melpomene
українська: 18 Мельпомена
Tiếng Việt: 18 Melpomene
Yorùbá: 18 Melpomene
中文: 司曲星
Bân-lâm-gú: 18 Melpomene
粵語: 司曲星