Kill it

[Halico]

Armor piercing gatling

With platinum armor piercing bullets

[Xeilumardrox]

If it left the asteroid belt, then I push it back in with rocketships. If it didn't, then I let the asteroids continually smash into it.

[Halico]

Armor piercing shotgun
With platinum armor piercing drill-shaped bullets

[ShadowSpectre]

Throw an OsO4 coated XeF3 grenade at the tank.

Then another.

And another.

Until it learns how science works.

[Xeilumardrox]

I use a spaceship to ram it into the red spot of Jupiter (which is apparently a giant storm), causing it to crash into the planet itself and buffeted by the storm.

[Halico]

Order a kamikaze rocket that is aimed at the tank and is multiple times bigger than the tank

[SnipeHeart]

SS, since when is science involved?
-SS GETS PENALTY IN THE NAME OF SCIENCE-

Now this is just stupid. Here's a list of questions / recommendations / complaints for you:

1.) Do you have any idea how dense titanium really is?

2.) Do you know what Osmium Tetroxide is?

3.) You do realize you're penalizing someone for knowing more, right?

4.) Why the heck is there a HP bar for the tank if, in its abilities, it says "Invincibility"? (Which is just another stupid thing in itself.)

5.) The FIRST Atomic Bomb demolished unleashed a force of ~20,000 tonnes of TNT, enlighten me on how a piece of titanium with a gun on it survive that. A MODERN DAY nuclear device has the capability of unleashing ~1.1 million tonnes of TNT, force-wise.

6.) How can killing the drivers of the tank do a negligible amount of damage? You gave an amount, so you implied that Lord Badass of Win succeeded in doing so.

7.) The Schwerer Gustav could fire 7 tonne shells 65 Kilometers away, explain how anything made out of titanium could survive the force of this shell. (And this was all prior to WWII, imagine a modern day equivalent.)

8.) Do you know how fast and how much force an asteroid could have? No? I'll give you a few hints: One wiped out those giant lizard things we like to call dinosaurs, another created the moon, and once could potentially wipe out life on Earth again.

That said...
I destroy the tank via logic and very, VERY basic knowledge.

[[][][][]]

With logic comes a nuclear rocket aimed at the tank.

Saturn V + Hydrogen bomb = Nuclear rocket.

Both are of modern tech, and is not considered futuristic.

And besides, this is just an advancement of the ICBM [Inter-Continental Ballistic Missile].

It is the IPNM [Inter-Planetary Nuclear Missile].

Also @SnipeHeart: Awesome analysis.

[CoreShooter]

"DESTROYENEMY",1,0

"END"

[[][][][]]

Also, all nukes on earth. are retrofitted with rockets strong enough to leave Earth.

Aimed at the tank.

LAUNCH THE MISSILES NOW!