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option 2 is much more plausible. Option 1 requires sending an energy beam (usually a laser) through the atmosphere at the satellite. Trouble with this is that as the laser heats the air around it it can create a condition called thermal blooming, which causes the laser to dissipate all its energy before it hits the sat. Also, if a laser were to hit something in the atmosphere on the way up (bird, parachutist, pilot) it would cause a rather dazzling explosion which could, if close enough, blind anyone who happened to be looking in that direction. Plus, such a system would be ineffective on cloudy, hazy, or smoggy days.
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