Engineer
Major
Orbits are not fixed. They only appear fixed because the attitude control systems on each satellite keep the orbital parameters more or less constant. Even so, the uneveness in Earth's geoid, positions of celestial bodies such as the sun and the moon, and even tides can shift the orbits. And once you get to low earth orbit, there is also atmospheric drag to wreck havoc on theories. Calling interception in space "straight forward" shows you have absolutely no clue as to how fast things can diverge in space.The capabilities are not really comparable. Orbital mechanics determine the course for 99% of the satellites in space. Those orbits are fixed (very few are manueverable based on a threat), and therefore placing an anti-sat KV in its path is fairly straight forward if you have the technology to get it there.
It takes some 10 minutes for an object to reach low earth orbit. During that time, a satellite at the same altitude would have moved 7 km/s * 60s/min * 10min, which is 4200 km. Show me a ship that can move 4200 km in 10 minutes.A vessel on the high seas is manueverable and will have moved significantrly from where it was initially spotted before the warhead arrives...and will also employ a wealth of ECM to further decrease the BMs chance of finding and hitting it.
As for ECM, it is nothing in comparasion to radiation in space.
The challenge involved, and the amount of assets and capabilities required to intercept a target in space is no less than those required to intercept a target at sea. As an example, due to different requirements, a facility which can accurately track an object in space will not likely to be at the same place as the launch location for a ASAT weapon, so the problems of target data forwarding still have to be dealt with. Another example, a ship can be tracked to a considerable distance away using radars that utilize long wavelength. The cross section of a satellite however, places a restriction on the minimium frequency which can be used. This frequency restriction will be much higher than that for tracking a ship. So for the same power, a radar intended to track objects in space will not be able to see as far as one that is used to track objects at sea. The small size of a satellite also means that the amount of radar reflection is much smaller. So in order to capture a return signal, you must use a "pencil beam" and aim the antenna directly at the satellite, which is a challenge by itself. As for "hypervelocity", a ship at sea would appear to be "stationary" to the warhead, and the relative speed between the two would only be ~7km/s. Two objects in space however, would be closing at 14 km/s.This will vary on the type of missile and type of launch platform...but particularly for the very long range capabilities being discussed...land launched against vessels very far out to sea, this will hold. You have to have the capability to find the vessel 1st far out to sea, which requires significant assets and capability, then you have to have the capability to communicate that location (target info) back to your launch platform, then you have to reaquire the target once the weapon gets close. Once re-aquired, you have to be able to manuever a hypervelocity incoming warhead onto the target.
I have a short memory span, but I seem to recall someone just described interception in space as "straight forward".None of those are as straight forward as the vast majority of your sat kills...
I have shown you that an object in space moves significantly faster than a ship at sea. I have also shown that tracking and intercepting a target in space is no less challenging than doing the same for a target far from the shores. The technologies used in smacking a KV to a satellite can be adapted to smack the warhead from a ballistic missile on to the deck of a ship. I hope these are enough to make you see that ASBM capabilities already exists....which will generally involve putting the kill vehicle at a known location at a known time. If you have the capability to reliably get the kill vehicle into space, then making it arrive at that known place at the known time is more straight forward than hitting a manuevering target in a potentially heavy ECM environment which you have to reaquire once the warhead gets there.
Last edited: