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Tekto
Tekto thumn
Tekto as seen from orbit.
Moon of Sarnus
Orbital Characteristics
Semi-major axis 97 355 304 m [Note 1]
Apoapsis 100 081 253 m [Note 1]
Periapsis 94 629 356 m [Note 1]
Orbital eccentricity 0.028
Orbital inclination 9.4 °
Argument of periapsis 0 °
Longitude of the ascending node 55 °
Mean anomaly 2.1 rad (at 0s UT)
Sidereal orbital period 666 155 s
30 d 5 h 2 m 34.5 s
Synodic orbital period 667872.8 s
Orbital Velocity 893 to 944 m/s
Longest Time Eclipsed 11878 s
Physical Characteristics
Equatorial radius 280 000 m
Equatorial Circumference 1 759 292 m
Surface area 9.8520346×1011 m2
Mass 2.8834085×1021 kg
Standard gravitational parameter 1.9244099×1011 m3/s2
Density 31 357.648 kg/m3
Surface gravity 2.45 m/s2 (0.25 g)
Escape velocity 1 172.42 m/s
Sidereal rotation period 666 154.48 s
30 d 5 h 2 m 34.5 s
Sidereal rotational velocity 2.6410 m/s
Synchronous orbit 12 652.90 km
Sphere of influence 8 637 005.2 m [Note 1]
Atmospheric Characteristics
Atmosphere present ✓ Yes
Atmospheric Pressure 124.630 kPa
1.23 atm
Scale height  m
Atmospheric height 95 000 m
1.2×10-6 atm
Temperaturemin -206.17 °C 66.98 K
Temperaturemax -179.45 °C 93.7 K
Oxygen present × No
Scientific multiplier
Surface 6.5
Splashed 5.5
Lower atmosphere 5
Upper atmosphere 10
Near space 9
Outer space 8
Recovery 8

  1. 1.0 1.1 1.2 1.3 The distances are given from the bodies center not surface (unlike ingame)

Tekto is the fifth and last moon of Sarnus. It is the Titan analog to the game and is a small, low-gravity moon with a thick atmosphere.

Its high, inclined orbit increases the difficulty of missions to the moon and the thick atmosphere makes returning harder, but does however greatly reduce the ∆V requirements for landing through enabling the use of aerobraking and parachutes.

In-Game Description

This moon has a very dense atmosphere for a body its size. Combined with the low gravity, this means that a Kerbal with wings attached to his arms could lift off from the surface of the moon under his or her own power. Those wings would have to be made of some sturdy materials though, as Tekto's atmosphere appears to be very violent.

Kerbal Astronomical Society

Atmosphere

Tekto has an atmosphere thick and dense enough to support bodies of liquids on its surface. The atmosphere has a sea level pressure of 124.63 kilopascals (1.23 atmospheres), and a depth of 95,000 meters.

Like all other atmospheres in the game, Tekto's atmosphere fades exponentially as altitude increases. The scale height varies with altitude. The pressure-altitude profile is globally constant and independent of temperature. The following table gives the atmospheric pressure at various altitudes above the datum level.

Altitude (m) Pressure (Pa) Pressure (atm)
0 124 630 1.230
2 500 93 089 0.919
5 000 68 620 0.677
7 500 50 080 0.494
10 000 36 310 0.358
15 000 18 961 0.187
20 000 9 971 0.098
25 000 5 321 0.053
30 000 2 869 0.028
35 000 1 566 0.015
40 000 872.8 0.009
45 000 497.4 0.005
50 000 297.6 0.003
55 000 184.5 0.002
60 000 121.0 0.001
65 000 81.86 0.001
70 000 57.10 0.001
75 000 40.48 0.000
80 000 29.04 0.000
85 000 21.13 0.000
90 000 12.19 0.000
95 000 0 0.000

Composition

The average molecular weight of Tekto's air is 28.9644 g/mol, and its adiabatic index is 0.014. which indicates a composition of mostly nitrogen. Given the green color and the density of the gases, it is possible to estimate the atmosphere is 97.8% nitrogen and 2.2% chlorine.

The liquids on the surface are likely some sort of hydrocarbon, which can indicate a "water cycle" made of chlorine or hydrocarbons. As Tekto is the Titan analog, the lakes are probably liquid ethane.

Surface

With some graphical mods installed, it is difficult to make observations of the surface from orbit. The density of the moon suggests the following: a solid rock core, 201 km thick; a subsurface ocean 560 km deep; and an icy crust 22 km thick.

Biomes

Owing to its varied terrain and oceans, Tekto has a large number of biomes (22 in all).

Biome list

Tekto Biome Map

Tekto biome map

  • Geomagnetic Anomaly
  • Polar Rifts
  • Mount Avaritia
  • Twin Lakes
  • Southern Islands
  • Belial Island
  • Rhat Island
  • Malebolge Peninsula
  • Witvoogd Peninsula
  • Sarbian Islands
  • Medikohl Lake
  • Antenor Lake
  • Vexxus Lake
  • Tande Region
  • Pozine Region
  • Mammon Region
  • Det Region
  • Adnomimon Region
  • Dis Region
  • Sylandro Region
  • Silisko Sea
  • Inland Lagoons

Reference Frames

Warp Minimum Altitude
Any
5× 95 000 m (above the atmosphere)
10× 95 000 m (above the atmosphere)
50× 95 000 m (above the atmosphere)
100× 95 000 m (above the atmosphere)
1 000× 95 000 m (above the atmosphere)
10 000× 168 000 m
100 000× 336 000 m