WATCH: President Trump, Ivanka call NASA astronauts in space

This event has ended.

President Donald Trump will be joined by first daughter Ivanka Trump in the Oval Office on Monday to call NASA astronaut Peggy Whitson live on board the International Space Station.

The call, which NASA astronaut Kate Rubins is scheduled to join as well, will be to congratulate Whitson on her record-breaking stay aboard the International Space Station.

Whitson, commander of the station's Expedition 51 crew, officially broke the American record for most cumulative days in space on Monday, surpassing NASA astronaut Jeff Williams' prior record of 534 days. Russian cosmonaut Gennady Padalka holds the world (or out-of-this-world) record, having spent 879 total days in space.

She is the first woman of any nationality to command the space station twice. She also holds the record for most spacewalks conducted by a female astronaut.

The call is scheduled to start at 10 a.m. EDT and last for 20 minutes.

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The International Space Station (ISS) crew member Peggy Whitson of the U.S., waves before a space suit check at the Baikonur cosmodrome, Kazakhstan, November 17, 2016. REUTERS/Shamil Zhumatov
The International Space Station (ISS) crew member Peggy Whitson of the U.S., walks for space suit check at the Baikonur cosmodrome, Kazakhstan, November 17, 2016. REUTERS/Shamil Zhumatov
The International Space Station (ISS) crew member, Peggy Whitson of the U.S. speaks prior to the launch of Soyuz MS-3 space ship at Baikonur cosmodrome, Kazakhstan, November 17, 2016. REUTERS/Dmitri Lovetsky/ Pool
The International Space Station (ISS) crew member Peggy Whitson of the U.S. is pictured before boarding spacecraft at the Baikonur cosmodrome, Kazakhstan 17 November 2016. REUTERS/Kirill Kudryavtsev/ Pool
The International Space Station (ISS) crew members Peggy Whitson of the U.S., Oleg Novitskiy of Russia and Thomas Pesquet of France walk to board the Soyuz MS-03 spacecraft for the launch at the Baikonur cosmodrome, Kazakhstan 17 November 2016. REUTERS/Kirill Kudryavtsev/ Pool
The International Space Station (ISS) crew member Peggy Whitson of the U.S. tests a space suit during the pre-launch preparations at Baikonur cosmodrome, Kazakhstan 17 November 2016. REUTERS/Yuri Kochetov/ Pool
The International Space Station (ISS) crew members (L-R) Peggy Whitson of the U.S., Oleg Novitskiy of Russia and Thomas Pesquet of France walk from a hotel for a pre-launch preparation at the Baikonur cosmodrome, Kazakhstan November 17, 2016. REUTERS/Shamil Zhumatov
Crew members of the International Space Station (ISS) expedition 50/51 Thomas Pesquet (L) of France, Peggy Whitson (R) of the U.S. and Oleg Novitsky of Russia pose for a picture as they attend an examination training session in Star City outside Moscow, Russia, October 25, 2016. REUTERS/Maxim Zmeyev
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