Makemake

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Makemake  🝼
Makemake dideleng mawa teleskop luar akasa Hubble
Panemon
Panemu Michael E. Brown,
Chad Trujillo,
David Rabinowitz
Tanggal ditemokaké 31 Maret 2005
Penamaan
Penamaan MPC (136472) Makemake
Nama alternatif2005 FY9
Kategori
planet minor
planit cilik, plutoid, TNO (cubewano)[1]
Epos 28 Januari 1955 (dina Julian 2 435 135,5)
Aphelion7.939,7 Gm (53,074 SA)
Perihelion 5.760,8 Gm (38,509 SA)
Sumbu semi-mayor 6.850,3 Gm (45,791 SA)
Eksentrisitas 0,159
Periode orbit 113,183 dina (309,88 taun)
Kecepatan orbit rata-rata 4,419 km/det
Anomali rata-rata 85,13°
Inklinasi 28,96°
Bujur node menaik 79,382°
Argumen perihelion 298,41°
Ciri-ciri fisik
Dimensi 1.300–1.900 km
Jari-jari rata-rata 750+200 km[4]
Luas permukaan ~7.000.000 km²
Volume ~1,8 × 109 km³
Massa ~4 × 1021 kg
Kepadatan rata-rata ~2 g/cm³ (asumsi)
Gravitasi permukaan di khatulistiwa~0,47 m/s²
Kecepatan lepas~0,84 km/s
Hari sideris ora dikawruhi
Kemiringan sumbu ora dikawruhi
Albedo78,2+10,3 (geometrik)[4]
Suhu 30–35 K [d](asumsi albedo yang sama)
Magnitudo tampak 16,7 (oposisi)[5][6]
Magnitudo mutlak (H) -0,48[3]
Makemake

Makemake (simbol: 🝼;[7] pocapan jroning basa Inggris /ˌmɑːkiːˈmɑːkiː/, utawa sajeroning Rapanui Cithakan:Audio-IPA[8]), kanthi resmi diarani (136472) Makemake, iku planit cilik ing Tata Surya sing ana ing sabuk Kuiper. Dhiameter planit cilik iki watara telung prapat Pluto.[9] Makemake ora duwé satelit. Rata-rata suhuné sing asor banget (watara 30 K) nuduhaké yèn lapisan Makemake kapérang saka metana, etana lan kamungkinan ès nitrogen.[9]

Jeneng[besut | besut sumber]

Jeneng Makemake asalé saka jeneng déwa pangripta lan kasuburan ing Pulo Paskah.[10]

Cathetan sikil[besut | besut sumber]

  1. "MPEC 2009-P26 :Distant Minor Planets (2009 AUG. 17.0 TT)". IAU Minor Planet Center. 2009-08-07. Dibukak ing 2009-08-28.
  2. Marc W. Buie (2008-04-05). "Orbit Fit and Astrometric record for 136472". SwRI (Space Science Department). Dibukak ing 2008-07-13.
  3. a b "JPL Small-Body Database Browser: 136472 (2005 FY9)". NASA Jet Propulsion Laboratory. 2010-01-26. Dibukak ing 2008-06-11. {{cite web}}: Text "last obs" ignored (pitulung)
  4. a b J. Stansberry, W. Grundy, M. Brown; et al. (February 2007). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". The Solar System beyond Neptune. University of Arizona Press. Cithakan:Arxiv. {{cite journal}}: |access-date= requires |url= (pitulung); Explicit use of et al. in: |author= (pitulung)CS1 maint: multiple names: authors list (link)
  5. "AstDys (136472) Makemake Ephemerides". Department of Mathematics, University of Pisa, Italy. Dibukak ing 2009-03-19.
  6. "Asteroid 136472 Makemake (2005 FY9)". HORIZONS Web-Interface. JPL Solar System Dynamics. Dibukak ing 2008-07-01.
  7. JPL/NASA (2015-04-22). "What is a Dwarf Planet?". Jet Propulsion Laboratory. Dibukak ing 2022-01-19.
  8. Robert D. Craig (2004). Handbook of Polynesian Mythology. ABC-CLIO. kc. 63. ISBN 1576078949. Dibukak ing 2008-07-14.
  9. a b Michael E. Brown (2006). "The discovery of 2003 UB313 Eris, the 10th planit largest known dwarf planit". California Institute of Technology. Dibukak ing 2008-07-14.
  10. "Dwarf Planets and their Systems". Working Group for Planetary System Nomenclature (WGPSN). U.S. Geological Survey. 2008-11-07. Dibukak ing 2008-07-13.

Pranala njaba[besut | besut sumber]