Telemetry data indicated that Laika's vital signs were normal for the first three orbits, but during the fourth orbit, the cabin temperature rose to followed by movements of the dog. Data received on the second day showed no signs of breathing, heart rate, or blood pressure, but the cardio sensor was still registering a heart beat. By the morning of 6 November, there were no signs of life in the capsule. On 10 November, the batteries in the spacecraft ran out and all data transmission ceased, after 150 separate telemetry sessions. Sputnik 2 reentered the atmosphere on 14 April 1958 after 162 days in space and about 2500 orbits. Reentry was sighted from the east coast of the United States and surviving debris impacted in the Amazon region of South America.