Landing spaceX style...

[The_space_monke]

Hi.... I have been playing ksp for a year now... and i wanted to learn how to land accurately on any planet. I always seem to overshoot or land some 100km before the desired site.. and when im doing surface bases, it is always a pain to not get the landing accurately

Is there any mod or a simple trick which could help me overcome this problem?? 

[Echo__3]

I use a couple mods to help with landing. Trajectories and Kerbal Engineer Redux both have a landing prediction marker. Trajectories is able to calculate the effects of an atmosphere and account for the planet/moon's rotation. KER has a wealth of information including a suicide burn timer to help with those "hover slam" landings like SpaceX. Trajectories is also able to help calculate aerobraking passes. 

A higher Thrust to Weight Ratio can help you. You'll be able to start your deorbit burn later and more easily come "straight down" onto your target area. 

[AtomicTech]

KER's suicide burn marker doesn't work well in an atmosphere but outside of one it works like a charm!

[Vanamonde]

Outside of mods, it just takes practice. And it will be different on different worlds. I usually just save the game and make several tries until I get close enough.  

Meanwhile, the thread has been moved to Gameplay since it is seeking help rather than offering. 

[AHHans]

If you want to land close to an existing base then you should select that base as a target early, so that you the the target prograde () and target retrograde () markers on the navball. Now - in theory - if you always keep the target retrograde and your retrograde () (in surface mode of the navball) markers on top of each other then you'll land next to (on top? ) the base! In reality you want to plan your approach to overshoot the target, i.e. keep your retrograde  marker closer to the horizon than the target retrograde marker. Now push your retrograde marker around the navball: when far away you can just burn retrograde; when it looks like you overshoot too far then burn closer to the horizon; when it looks like you will fall short then burn closer to straight up. (Note: when firing your engines you will push the retrograde marker "away" from the center of the navball == the direction your engines push you.) Always keep the retrograde marker on the line from the target retrograde marker to the horizon, until you are straight above your target in which case you can "just land"^(TM). (Well, except when you get too low, then push the retrograde marker below the horizon so you gain more altitude.)

Bring enough fuel (significantly more than for a suicide burn) and this should get you to the target. With enough practice you should be able to reduce the amount of extra fuel you'll need for a close landing.

[18Watt]

The method @AHHans described works well for me.  It works so well that I am consistently in danger of landing on top of the targeted vessel.  I have to remember to purposely offset my approach path in the last few km. 
Learn to use the NavBall, which takes practice.