BEIJING, Nov. 6 (Xinhua) -- China's first lunar probe, Chang'e-1, started its second braking on Tuesday's morning, which will further decelerate the satellite to get it closer to its final orbit.

Instructions for the braking was issued by the Beijing Aerospace Control Center (BACC) at around 11:21 a.m.

The braking, when completed, will help Chang'e-1 to slow down its speed to 1.8 km per second to enter a 3.5-hour orbit with a perilune of 200 km and an apolune of 1,700 km.

The probe is expected to brake for the third time at around 8:00 a.m. on Nov. 7, which will further slow down its speed to 1.59 km per second to put it on a 127-minute round polar circular orbit.

The round orbit is also the probe's final destination where it is supposed to start "working" formally.

Before the second braking, Chang'e-1 was traveling along a 12-hour elliptical moon orbit, with a perilune of about 210 km and an apolune of about 8,600 km.

Chang'e-1 successfully completed its first braking and entered the moon's orbit at around 11:37 a.m. on Monday, which made it become a "real" circumlunar satellite.

The probe, named after a legendary Chinese goddess who flew to the moon, blasted off on a Long March 3A carrier rocket on Oct. 24 from the Xichang Satellite Launch Center in southwestern Sichuan Province.

China's first lunar probe enters moon's orbit

BEIJING, Nov. 5 (Xinhua) -- China's first lunar probe, Chang'e-1, successfully completed its first braking at perilune and enters the moon's orbit Monday morning. Full story

The CCTV footage shows that China's first lunar probe Chang'e-1 successfully completed its first braking at perilune and enters the moon's orbit Monday morning, Nov. 5, 2007. (Photo: CCTV.com)

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Chang'e-1 starts braking before entering moon's orbit

BEIJING, Nov. 5 (Xinhua) -- China's first lunar probe, Chang'e-1, started braking at perilune, which will help it slow down to enter the moon's orbit. Full story

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