Dres

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Dres
Dres as seen from orbit.
Dwarf planet of Kerbol
Orbital Characteristics
Semi-major axis		40 839 348 203 m
Apoapsis		46 761 053 692 m
Periapsis		34 917 642 714 m
Orbital eccentricity		0.145
Orbital inclination		5 °
Argument of periapsis		90 °
Longitude of the ascending node		280 °
Mean anomaly		3.14 rad (at 0s UT)
Sidereal orbital period		47 893 063 s
		2 217 d 1 h 37 m 43.1 s
Synodic orbital period		11 392 903.3 s
Orbital velocity		4 630 - 6 200 m/s
Physical Characteristics
Equatorial radius		138 000 m
Equatorial circumference		867 080 m
Surface area		2.3931396×1011 m2
Mass		3.2190937×1020 kg
Standard gravitational parameter		2.1484489×1010 m3/s2
Density		29 242.045 kg/m3
Surface gravity		1.13 m/s2 (0.115 g)
Escape velocity		558.00 m/s
Sidereal rotation period		34 800.000 s
		1 d 3 h 40 m 0 s
Solar day		34 825.305 s
		1 d 3 h 40 m 25.3 s
Sidereal rotational velocity		24.916 m/s
Synchronous orbit		732.24 km
Sphere of influence		32 832 840 m
Atmospheric Characteristics
Atmosphere present		No
Scientific multiplier
Surface		8
Splashed		N/A
Near space		7
Outer space		6
Recovery		6

Dres is the fifth planet in the Kerbol System. It is located between Duna and Jool in a somewhat eccentric and inclined orbit. It is considered to be the Ceres analog for the game. It is similar to Moho and Eeloo in that it has no atmosphere and no natural satellites (aside from a ring system of asteroids). Dres has the least gravity of any planet in the Kerbol system. Dres is considered a dwarf planet by the game because it has not "cleared its neighborhood"; in other terms, it has asteroids in close proximity.

In-game Description

“

Dres is a very small planet. It was the first planet considered to be a dwarf. It’s orbit is highly irregular and together with it’s size it took a long time to discover since half the time it was not where scientists expected to find a planet. Due to its nature of frequenting the bad parts of space, this dwarf planet was officially labeled as “Not to be trusted” by the scientific community.'' — Kerbal Astronomical Society

”

Topography

In KSP, the surface of Dres appears light grey and is rocky and uneven, similar to that of the Mun, with a surface covered in regolith rubble. Unlike the Mun, Dres has large patches of what appears to be ice. The highest points are just under 5.7 km in altitude. One notable geographic feature is a canyon which is called the "Dres Canyon" just south of the equator, which is several kilometers deep.

Cratering

The surface of Dres has several craters. However, unlike other planetary bodies, none are very prominent, the largest being slightly under 13 km in diameter.

In total, 42 craters have been positively identified. Another 5 are still waiting for confirmation. The spreading of the craters is biased to the western, particularly the northwestern, hemisphere of Dres.

Quadrant	No. of craters (%)	No. of Craters
North-East	19.0 %	8
South-East	7.5 %	4
North-West	42.9 %	18
South-West	28.6 %	12
Total	N/A	42

Biomes

Dres biome map (legend)

Dres has 8 biomes.

Biome list

Dres In-game biome map as of 1.2

Poles Highlands Midlands Lowlands Ridges Impact Ejecta Impact Craters Canyons

Interplanetary travel

From a 12 km Dres escape trajectory, the requirements for attaining an intercept trajectory of other celestials are:

Body	Delta-V	Phase Angle
Kerbol	~5730 m/s	N/A
Moho	~1510 m/s	-30º
Eve	~770 m/s	-205º
Kerbin	~670 m/s	-330º
Duna	~530 m/s	-146º
Jool	~410 m/s	52º
Eeloo	~580 m/s	69º

Reference Frames

Time warp	Minimum Altitude
1×	Any
5×	10 000 m
10×	10 000 m
50×	30 000 m
100×	50 000 m
1 000×	100 000 m
10 000×	200 000 m
100 000×	300 000 m

Gallery

→ Main article: Category:Images of Dres

• 

  A lander with three kerbonauts landed at Dres.

• 

  A topographical projection map of Dres; accurate as of 0.18.

• 

  A topographical height map of Dres as of version 0.18.1; made with the ISA MapSat plugin.

• 

  Bob Kerman at the bottom of the big canyon roughly 3 kilometers below the actual lander.

• 

  A beautiful sunrise over the big canyon.

• 

  A rover in front of a Breaking Ground crater, next to the Dres canyon. The high texture quality can be seen.

Changes

1.0

• Added "Dres-teroid" belt (will appear randomly after achieving a flyby)

0.90

• Added biomes

0.18

• Initial release

Trivia

• Dres was the subject of a Kerbal meme referring to the status of Dres as an interesting place or a boring place.
  • KSP Youtuber Felsmak created a youtube video about how Dres is boring.
  • Felsmak later made a video about how Dres is a hoax. This was a parody of the Bielefeld Conspiracy, not a serious video.
  • This had led some forumers to start the Dres Appreciation thread, and others to fight back.
  • That led to a flame war which essentially bled into unrelated forum posts.
  • Felsmak closed the thread on his Dres Hoax video, stating that "This Dres meme has gotten kinda spammy now, it seems, and I don't really want to encourage it any further."
• According to the International Astronomical Union, Dres would be considered a planet as it does not share an orbit with any other objects.
• The Dres-teroid belt is not an analogue of the asteroid belt, but rather a diffuse ring of debris orbiting Dres. This means that Dres actually has an unknown and variable amount of natural satellites.
  • According to the International Astronomical Union, this technically means that Dres has the most moons in the Kerbol System, as there is not an official definition of what qualifies as a moon.
• In KSP, Dres, Vall, Eeloo, and Moho are the only bodies in the solar system that are colored completely using a PQSMod_HeightColorMap. (Colors are based purely on the terrain height)