Chandrayaan 2 -- GSLV Mk.III -- Шрихарикота -- 22.07.2019, 09:13 UTC

[tnt22]

09/06/2019 22:58 Stephen Clark

Indian prime minister Narendra Modi has arrived at the Chandrayaan 2 control center in Bengaluru to observe today's landing on the moon.

[Liss]

Ну что ж, поехали...

[tnt22]

09/06/2019 23:02 Stephen Clark
The Chandrayaan 2 mission's three components each carry a suite of scientific instruments:

[/li]
• Orbiter
  
• Mass: 5,244 pounds (2,379 kilograms)
  
• Dimensions: 3.2 x 5.8 x 2.1 meters (10.5 x 19.0 x 6.9 feet)
  
• Power: 1,000 watts
  
• Description: The Chandrayaan 2 orbiter — designed for a one-year mission — carries eight scientific instruments, including a high-resolution stereo imaging camera, a dual-frequency synthetic aperture radar look for evidence of water ice at the lunar poles, an imaging infrared spectrometer to aid in the search for water, and sensors to study the moon's tenuous atmosphere. The orbiter will also provide data relay services the Vikram lander.
  
• Vikram Lander
  
• Mass: 3,243 pounds (1,471 kilograms)
  
• Dimensions: 2.54 x 2.0 x 1.2 meters (8.33 x 6.6 x 3.9 feet)
  
• Power: 650 watts
  
• Description: The Vikram lander's targeted touchdown zone is located in a highland region on the the near side of the moon at approximately 70.9 degrees south latitude, closer to the moon's south pole than any previous lunar landing mission. Vikram will use five throttleable liquid-fueled engines to slow down for landing. The stationary landing craft carries a suite of multiple cameras and three science instruments, including a seismometer to listen for moonquakes, a thermal probe to reach a depth of up to 4 inches (10 centimeters) to measure the vertical temperature gradient in the lunar crust, sensors to investigate plasma near the moon's surface, and a NASA-provided laser retroreflector array to help scientists locate the lander's exact position on the moon. The Vikram lander is designed to last 14 days on the moon, equivalent to one lunar day.
  
• Pragyan Rover
  
• Mass: 59 pounds (27 kilograms)
  
• Dimensions: 0.9 x 0.75 x 0.85 meters (3.0 x 2.46 x 2.79 feet)
  
• Power: 50 watts
  
• Description: The solar-powered Pragyan rover has a range of up to 500 meters, or 1,640 feet, during its 14-day mission on the moon. The AI-enabled rover has six wheels and will relay science data and images through a radio link with the Vikram lander. Indian scientists installed an alpha particle X-ray spectrometer to measure the elemental composition of the rocks at the Chandrayaan 2 landing site, along with a laser-induced breakdown spectroscope. The Pragyan rover is named for the Sanskrit word for "wisdom."
  

[tnt22]

 

[tnt22]

 

[tnt22]

09/06/2019 23:06 Stephen Clark

The latest guidance information was uploaded to the Vikram lander a few hours ago. The descent sequence is entirely automated.

[Liss]

Двигатели включены на торможение.

[tnt22]

 

[tnt22]

 

[tnt22]

09/06/2019 23:10 Stephen Clark

Four retrorockets have ignited on India's Vikram lander to begin the mission's 15-minute descent to the moon.

[tnt22]

09/06/2019 23:12 Stephen Clark

Three minutes into the braking maneuver, the Vikram lander's velocity has slowed from 1,600 km/second to about 1,300 km/second.

[Liss]

1070 м/с.
Первый этап торможения до 140 м/с.

[tnt22]

 

[Liss]

T+5:30 -- 948 м/с.

[tnt22]

Chris G - NSF‏ @ChrisG_NSF 4 мин. назад

Timeline. #Chandrayaan2 #India #MoonLanding #VikramLander

[Liss]

115 км до точки посадки.

[tnt22]

 

[tnt22]

 
 

[Liss]

Вертикальная 72 м/с.

[Liss]

Высота 7,5 км.