He must take over manual control and fly the spacecraft into position.
Engineers hope to get the spacecraft into a stable orbit until the glitch can be fixed.
One strategy is to crash a massive spacecraft into the asteroid and change its trajectory.
But even without a scientific breakthrough, getting a spacecraft into orbit round Mars will demonstrate Indian prowess.
A second wheel failed in May, putting the spacecraft into safe mode and jeopardizing the exoplanet search.
A Boeing Delta II rocket will send the 6,542-pound 6,542-poundinto a 438-mile-high polar orbit.
Blue Origin is flying only suborbital rockets, which are not fast enough to put spacecraft into orbit around Earth.
The second firing, due in around 20 days, will send the spacecraft into its operational orbit around the sun.
Any suitable runway will do.In addition, an air launch promises a lot more scope to find a good "launch window" to get the spacecraft into orbit.
The evidence turned conclusive with the deliberate crash of a NASA spacecraft into one of the craters last October, kicking up about 26 gallons of water.
"They're the ones who will take our spacecraft into flight, and if we're not building it the way they want it we're doing something wrong.
