Kerbal Space Program (KSP) is a spacecraft simulation game for Mac, Linux or Windows. Players build, launch, and pilot spacecraft and airplanes through a fictional 7 planet star system.

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How can I calculate the right number/types of parachutes for my craft?

In earlier versions of Kerbal Space Program, even in Career Mode, parts cost and recovery was never an issue to be concerned about. So a typical space mission might only return to Kerbin with the ...
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2answers
105 views

When is the cost incurred for rejecting a contract in KSP?

I've noticed some of the contracts in Kerbal Space Program 0.24 have a fee associated with failure. When is this fee incurred? If I reject it at mission control? After x number of flights?
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75 views

Do Kerbal Contracts recur?

In Kerbal Space Program 0.24 the new contract system has been introduced. Do contracts recur, that is, if I do a mission once, will it come up again? I don't want to be repetitive doing the same ...
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2answers
1k views

How to satisfy a contract in Kerbal Space Program?

I've been flying a few contracts now that the contracts update has been released. I notice in my contract bar that all of the checkmarks for a contract are green, however I am not awarded the ...
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1answer
55 views

Is there a contract multiplier

In Kerbal Space Program .24, is there a multiplier on earnings for completing more contracts on a single mission than on multiple individual missions? I can see that fuel costs could be reduced by a ...
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1answer
274 views

How much money do you make for returning craft safely to Kerbin?

My understanding of KSP 0.24 (First Contract) is returning parts safely to Kerbin will result in profit. My question is, what percent of the part cost is returned? 100%? Also, if I drop parts, say ...
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2answers
734 views

How can I get science from my space station to cash in the points?

I have built a space station orbiting Kerbin with a lander, science Lab Jr., Mobile Processing Lab, Goo Containers, a "workhorse" multi-purpose ship, fuel depot, and living quarters. I currently have ...
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1answer
83 views

Does orbital rendezvous require six degrees of freedom?

I'm trying to accomplish my first orbital rendezvous by following the Gemini 6A and 7 mission tutorial on the KSP Wiki. I've gotten the orbiters on about the same orbital plane, and orbiting at about ...
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1answer
138 views

Mun Numbers and Data in Ksp?

In Kerbal Space Program, even with using plugins that show data like I need, I can never find a conversion or something that will show the required fuel needed get the Delta V to reach a Mun ...
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1answer
279 views

Do Kerbals die of natural causes?

So, I got a Kerbal stranded on Mun in my first successful landing attempt. No big deal, right? I'll just figure out this whole "getting there and back" thing, then put together a rescue mission. The ...
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1answer
113 views

Why has my Command Module's orbit not decayed?

On one mission to put Bob Kerman in orbit of Mun and bring him back, his rocket ran out of liquid fuel on the return trip. However, the orbit Bob ended up in was around Kerbin with a periapsis of less ...
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1answer
79 views

Why are my parachutes failing to deploy?

I have 3 parachutes on my plane's tail, and I'm trying to deploy them while the plane is landing. However, when I deploy the parachutes in sequence, all 3 fail to deploy. This is my scenario: The ...
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1answer
63 views

How to controll vessel without crew?

I am building a cart to throw it to Eve, where there are some astronauts waiting for it, but every time I click on "launch" it says "This vessel has no remote-controlled or manned modules. It won't be ...
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1answer
207 views

KSP - Welded parts not appearing

I am trying to weld parts together in KSP with the UbioWelding plugin. The "Weld It" button appears and the in game dialog to weld parts seems to work fine, but the finished part never appears in my ...
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2answers
178 views

Move kerbals in KSP - to save Jebediah from an unjust fate

I'm hoping for some help. I'm fairly new to the game so please bare with me. I recently reloaded a quicksave instead of creating one by accident. According to How would one undo loading a quicksave in ...
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1answer
543 views

What can be grabbed with the Advanced Grabbing Unit?

I'm curious as to what can be grabbed with the Advanced Grabbing Unit from the Asteroid Redirect Mission update. The wiki says that it can "pick up just about anything," but that's just not reassuring ...
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923 views

Interstellar KSP - Not getting science from IR Satellite

I have put the IR Satellite into orbit on my unmanned ship. But for some reason I'm not getting science. I have Helium Cryostats (3 with the dish connected directly on to them). I have power being ...
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1answer
134 views

Mun's orbit : clockwise or counter-clockwise

when viewing Kerbin's North pole, does Mun orbit clockwise or counter-clockwise ? I guess I could probably see for myself using timewarp, but I only have the demo, which doesn't have the feature.
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421 views

Can you land an asteroid?

I did it. I "docked" with an asteroid using the "Klaw" and changed it's orbit. Now it has a non-escape trajectory. But now I'm wondering... can I de-orbit it and land it safely on Kerbin? If I dock ...
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1answer
162 views

R&D center is closed in career

I'm playing with the new ARM stuff, and it's nice. But I tried to load up my research center, and it says it's closed. Some Googling quickly showed me that this happens in Sandbox mode. But my save is ...
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1answer
949 views

Can I get science from asteroids?

Wow, I've just noticed a load of asteroids appearing in KSP's space center. My first thought isn't "What if they hit Kerbin and wipe out the entire Kerbal race?". It's "How much science can I get from ...
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1answer
1k views

What Science can I perform on and near Kerbin?

I've decided to try the Career mode in Kerbal Space Program and I've flown a few rockets into orbit around Kerbin and landed them safely again. I've taken some mystery goo into orbit and I've taken ...
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2answers
1k views

When is the orbit of an asteroid determined?

So I've discovered and started tracking a fair number of asteroids in my short time playing the Asteroid Redirect Mission update. Some of them are completely harmless (at least for now), most have a ...
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2answers
418 views

How to prevent cargo from swinging inside fairings?

I'm using Ferram Aerospace Research to add some realism to drag. But this makes me to use fairings for my payload. Sad thing is, my payload swings. A lot. I tried both KW Rocketry and Procedural ...
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0answers
161 views

Corrupted save file

Something just went wrong with my ksp persistent.sfs (and quicksave.sfs) files. I launched the program like always, loaded everything just fine, made a rocket perfectly ok, then tried to launch and ...
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1answer
381 views

How do I get back from Eve?

I can now successfully land on Eve using a nuclear engine and several parachutes on my lander. I had originally tested taking off at Kerbin by equipping a pair of solid fuel boosters, but of course ...
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1answer
112 views

ksp: saving number of kerbals in ship

Is there any way to save the number of kerbals along with a ship? I always forget that these get reset and launch with less kerbals than expected only to realize my mistake midlanding somewhere.
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1answer
305 views

ksp: lv909 and nuclear engines flaming out?

I launched a ship into orbit around the sun and got to the point that I have to start using my small engines but when I decouple the previous poodle engine, all four of my lv909/nuclear engines die: ...
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2answers
450 views

Getting to Gilly and back

Been trying to get to Gilly (in career mode) to get more science but I can't seem to ever have enough fuel to get back. I don't know if it's because I have too much weight or not enough fuel but no ...
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3answers
2k views

Can I abandon my Kerbonaut in space?

My little Kerbonaut is currently circling the planet in a stable orbit, and seems to be having a grand ol' time with it. You should see the smile on his face. He's been circling now for what looks ...
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1answer
804 views

Reuse mystery goo transmit in career mode and multiple science for same canister

Is there a way to transmit data and not have the object be unusable anymore?
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1answer
2k views

What altitude do I need to be to register as being above a biome?

In KSP, I can do science "from space just above Kerbin's Deserts" or "while flying over Kerbin's Water". At what altitude do I stop "flying over" and start sciencing "from space just above"? At what ...
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1answer
3k views

In KSP-Interstellar, is there a way to disable a fission reactor?

I've installed KSP-Interstellar and I'm enthusiastic of this beautiful mod, but I'm still far from understanding all of its complex mechanics. One of the problems I'm facing now is the excess of ...
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2answers
715 views

How to install 2 instances of Kerbal Space Program from Steam, on one computer?

KSP loads slowly. Sometimes very slowly. More parts and addons, slower loading. So I want to have a second instance, with no mods and only some of the stock parts, to quickly test things. I bought my ...
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1answer
244 views

How can I kill Kerbals? From what drop height can they not survive?

What are all the ways a Kerbal in KSP might die? I know that they always wear space suits, so they (seemingly) can't suffocate. Side Question: How far must a Kerbal fall to die?
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1answer
88 views

Do I have to land ships that contains parts I will not have access to, before updating addon?

I'm playing career mode. I have 2 mini-stations at Mun and Minmus. But they contains parts from an add-on that did not have any technology tree entries and I added them as I felt right. Now there is ...
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2answers
399 views

How to make sure directions on navball correspond to directions I see my ship flying?

When I land on celestial body without atmosphere, I can't count on drag to nullify my horizontal velocity. So I need to use translation RCS for the final 3-5 m/s I can't nullify with manoeuvres. But I ...
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4answers
682 views

how to keep a kerbal on the command module

How do I keep a Kerbal on the command module? I can barely get in orbit be for I run out of fuel and I need more science to get farther, but I can't without an EVA report and a review report for it, ...
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1answer
5k views

Editing Kerbal Space Program save files for KSO

Currently I've got a communications satellite in almost geosynchronous orbit around Kerbin. Unfortunately, it is not where I want it (I'd like it to be over the space center) and the orbit is off by ...
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1answer
609 views

Kraken ate Jebediah - any way to resurrect him?

I landed on Minmus. Some parts exploded, but that's only to be expected, it's Kerbal Space Program after all. I got Jebediah EVA to take some samples, and Hell Kraken ate him. Screen got blank, ...
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2answers
396 views

KSP Lag when above Kerbin

I'm getting some heavy lag when flying over kerbin (or on the surface) sometimes. Still have not figured out any pattern. It does not happen as soon as I move above the ocean. Changing settings.cfg ...
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1answer
2k views

How to get kerbals out of Mobile Processing Lab MPL-LG-2?

I have a space station on Duna orbit, equipped with Mobile Processing Lab MPL-LG-2. I plan to decommission it and bring my kerbals back (or move them to the new station). But I have no idea how to ...
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3answers
1k views

Focus current craft on orbit map

I lost focus of my craft on the orbit map and I'm flying far away from any celestial bodies that I can focus. I have to plan a maneuver but a single pixel on my current flight path represents a couple ...
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2answers
186 views

A way to practice certain stages?

I'm wondering if there is a way of practicing different stages of a flight. I am currently trying to land on the Mun and after some hours i just made my first semi successful attempt at it. But most ...
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1answer
256 views

Turning too fast makes me lose control

I am building a Space plane. Its very simple, I have a completely symmetrical design with the center of lift near the edge of the center of mass sphere (so behind but not WAY behind). The problem I'm ...
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1answer
216 views

Can I move my Kerbals inside a pod?

How can I move my Kerbals inside the Lander-can, Hitchhiker, or Command pod? If it isn't possible by default, is there a mod allowing me to do that?
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1answer
810 views

How to produce an EVA report

I'm in carreer mode, I've finally managed to reach the orbit, I see the EVA button, but when I'm outside the only thing I can do is to climb the ladder up and down and eventually get lost in space :) ...
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5answers
3k views

With KSP Interstellar, how can I tell what my velocity vector will be when I turn off my warp drive?

I've been trying to figure out some stuff with the KSP Interstellar, and my biggest problem is that I don't know how to enter orbit of another planet. When I leave warp, I'm basically left with a ...
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1answer
294 views

Kerbal Orbital intercept pre-approach

I have finally figure out how to align inclination and rotate my orbit so that my Kerbal and the stranded one are chasing each other around Kerbin. So the last part before approach is to get closer. ...
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1answer
1k views

How do I calculate necessary Delta-V for circularization burn?

I'm trying to write a launch into orbit program. I could use wait until periapsis > x, but this seems inaccurate, because I can't start the burn at the exactly right time, because I don't know how ...