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Facts about Namaka

12 facts squeezed so far
  1. 12

    Namaka's rapid orbital decay suggests it will eventually spiral into Jupiter within approximately 100 million years due to tidal dissipation gradually removing orbital energy.

    NamakaMay 14orbitalmechanicsastronomycelestialdynamics
  2. 11

    At roughly 94 kilometers across, Namaka is smaller than Earth's moon but massive enough to maintain a spheroidal shape despite its irregular orbit around Jupiter.

    NamakaMay 14measurementastronomycelestial
  3. 10

    Namaka's extreme orbital eccentricity of 0.3086 makes it one of Jupiter's most irregularly orbiting moons, second only to Pasiphae among the Nami family satellites.

    NamakaMay 14orbitalmechanicsastronomymeasurement
  4. 09

    In 1938, observations confirmed that Namaka's spectrum shows strong absorption features characteristic of water ice, distinguishing its surface composition from darker irregular moons in Jupiter's satellite system.

    NamakaMay 14astronomyspectroscopycomposition
  5. 08

    Namaka's mass is approximately 0.3 percent of Earth's moon, making it one of Jupiter's smallest known satellites with a density suggesting a composition of rock and ice.

    NamakaMay 14measurementcompositionplanetary
  6. 07

    Namaka's gravitational interaction with its neighboring moon히ia creates a resonance pattern that influences both bodies' orbital evolution around Jupiter.

    NamakaMay 14orbitalmechanicsgravitydynamics
  7. 06

    Tidal heating from Namaka's eccentric orbit likely maintains a subsurface ocean beneath its icy crust, similar to mechanisms observed on Europa and Enceladus.

    NamakaMay 14geologyorbitalmechanicsastrobiology
  8. 05

    Namaka belongs to the Nami family of irregular moons, a group of small Jovian satellites sharing similar orbital characteristics and likely originating from a common progenitor captured by Jupiter's gravity.

    NamakaMay 14astronomyorbitalclassification
  9. 04

    Namaka's surface likely consists of water ice mixed with darker materials, making it considerably less reflective than many of Jupiter's other icy moons.

    NamakaMay 14compositionastronomyjupiter
  10. 03

    Namaka's highly eccentric orbit causes its distance from Jupiter to vary by approximately 900,000 kilometers, creating extreme tidal forces that generate internal heat within the moon.

    NamakaMay 14orbitalphysicstidal
  11. 02

    Namaka orbits Jupiter at an average distance of 3.55 million kilometers and completes one revolution every 7.5 Earth days.

    NamakaMay 14astronomyorbitalmeasurement
  12. 01

    With a diameter of just 169 kilometers, Namaka is Jupiter's eighth-largest moon and was discovered by Seth Barnes Nicholson in 1914.

    NamakaMay 13astronomymeasurementdiscovery