Larissa Neptunning beshinchi eng yaqin ichki sunʼiy yoʻldoshidir. Poseydonning sevgilisi Larissa sharafiga shunday nomlangan (Rim xudosi Neptunning yunoncha ekvivalenti).

Larissa
Kashf etilishi
Kashf etilgan Harold J. Reitsema, William B. Hubbard, Larry A. Lebofsky, and David J. Tholen[1]
Kashf etilgan sanasi 1981-yil 24-may
Tasnifi
Neptun VII
Talaffuzi /ləˈrɪsə/
Kimning sharafiga nomlangan Λάρισσα Lārissa
S/1989 N 2 S/1981 N 1
Sifatlari Larissean[2], Larissan[3], Larissian[4] /ləˈrɪs(i)ən/
Mehvar tasnifi[5][6]
Davr 1989-yil 18-avgust
Katta yarim oʻqi 73 548.26 km
Ekssentrisiteti 0.001393 ± 0.00008
Orbital davri 0.55465332 ± 0.00000001 d
Chekinish
  • 0.251 ± 0.009° (Neptun ekvatoriga)
  • 0.205° (Laplacega)
Tabiiy yoʻldoshi Neptun
Fizik tasnifi
Oʻlchamlari 216 × 204 × 168 km (± ~10 km)[7]
Oʻrtacha radiusi 97 ± 5.4 km[6]
Yuzasi 118,236.98 km2[8]
Hajmi ~3.5×106 km³
Massasi ~4.2×1018 kg (taxminan)
Zichlik ~1.2 g/cm3 (taxminan)[9]
Aylanish davri sinxron
Ekliptikaga ogʻish burchagi zero
Albedo 0.09[7][9]
Harorat ~51 K mean (taxminan)
Koʻrinma yulduz kattaligi 21.5[9]

Gretsiyaning Fessaliya shahri xuddi shu nomdagi nimfasidir.

Manbalar

tahrir
  1. „Larissa In Depth“. solarsystem.nasa.gov/. 2021-yil 24-sentyabrda asl nusxadan arxivlangan. Qaraldi: 2020-yil 3-sentyabr.
  2. Boccaccio (1974) The book of Theseus
  3. Livy (1850 trans.) The history of Rome, v. 3
  4. Bell (1790) Bell’s New pantheon
  5. Jacobson, R. A.; Owen, W. M. Jr. (2004). "The orbits of the inner Neptunian satellites from Voyager, Earthbased, and Hubble Space Telescope observations". Astronomical Journal 128 (3): 1412–1417. doi:10.1086/423037. 
  6. 6,0 6,1 Showalter, M. R.; de Pater, I.; Lissauer, J. J.; French, R. S. (2019). "The seventh inner moon of Neptune". Nature 566 (7744): 350–353. doi:10.1038/s41586-019-0909-9. PMID 30787452. PMC 6424524. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=6424524. 
  7. 7,0 7,1 Karkoschka, Erich (2003). "Sizes, shapes, and albedos of the inner satellites of Neptune". Icarus 162 (2): 400–407. doi:10.1016/S0019-1035(03)00002-2. 
  8. „Larissa In Depth“. solarsystem.nasa.gov/. 2022-yil 27-yanvarda asl nusxadan arxivlangan. Qaraldi: 2020-yil 3-sentyabr.
  9. 9,0 9,1 9,2 „Planetary Satellite Physical Parameters“. JPL (Solar System Dynamics) (2010-yil 18-oktyabr). Qaraldi: 2011-yil 11-oktyabr.

Havolalar

tahrir