Is the Earth getting heavier or lighter?

Is the Earth getting heavier or lighter? After all, we've littered outer space with a lot of space vehicles, satellites and other objects, along with vapor escaping from the atmosphere. However, there's a lot more people and meteorites around nowadays. So which is it?

Definitely heavier, it's believed the Earth gains anywhere from several dozen to several hundred tonnes per day due to meteorites and meteoritic dust, that is 10,000 to 100,000 tonnes a year. Also, mankind has not appreciably altered the mass of the Earth, which is reliably estimated at around 6 sextillion tonnes. The weight of people, incidentally, has not increased the mass of the Earth at all, as we are made up of the things we consume, which are already on Earth (you truly are what you eat).