Saturn · natural satellite

Titan

Lakes beneath a thick atmosphere

Titan has a dense nitrogen atmosphere, dunes and lakes of liquid hydrocarbons. Huygens reached the surface; Dragonfly is designed to explore it with a rotorcraft.

Mean diameter
5,149.52 km
Mean orbital distance
1,221,900 km from centre
Orbital period
15.945 Earth days
Titan in front of Saturn and its rings, photographed by Cassini
NASA/JPL-Caltech/Space Science Institute · Image source ↗

Understand this world

Methane weather and organic chemistryFollow methane through Titan’s atmosphere and surface, and understand why Dragonfly will sample different geological settings. · 3 min

Compared with our Moon

Titan · 5,149.52 km
Moon · 3,474.8 km

One diameter scale. Circle shapes compare volume-equivalent diameters; irregular moons are not spheres.

Orbit & discovery

Surface gravity
1.354 m/s²
Discovery
1655
Discoverer / team
C. Huygens
Provisional designation
—
JPL satellite ID
606
Orbital eccentricity
0.029
Inclination
0.3 degrees

Inclination reference: Laplace. Mean-element epoch: 2000-01-01.5 TDB · SAT441.

Diameters use volume-equivalent mean radii, including for irregular bodies. Mean orbital elements describe an orbit; they are not live positions. Missing physical measurements remain unavailable.

Physical measurements & uncertainties
Mean radius · km
2574.76 ±0.02 [1]
GM · km³/s²
8978.13710 ±0.00025 [SAT441]
Density · g/cm³
1.8814 ±0.0001 [*]
Missions in the Saturn system · 5 records

5 launches · 0 linked events

These records cover the planetary system. A system mission did not necessarily visit this moon. Dedicated targets are marked separately; programme events include the journey and briefings. Launch outcomes do not establish arrival, landing success or present spacecraft operation.

5 records from the complete 9,386‑record production catalogue.

Sources & measurements