SNIPE (satellite)
| Mission type | Space weather observations |
|---|---|
| Spacecraft properties | |
| Manufacturer | Korea Astronomy and Space Science Institute |
| Launch mass | 10 kilograms (22 lb) |
| Start of mission | |
| Launch date | 25 May 2023 UTC+9 |
| Rocket | Nuri (KSLV-II) |
| Launch site | Naro Space Center |
SNIPE (Korean: 도요샛) is a CubeSat (small satellite) of South Korea. SNIPE 1, 2, 3, and 4 were launched with the third launch of Nuri on May 25, 2023. There is a plan to conduct joint research with NASA using data observed by SNIPE.
Design
[edit]SNIPE (Small scale magNetospheric and Ionospheric Plasma Experiment) is a CubeSat developed by the Korea Astronomy and Space Science Institute (KASI) for five years to observe space weather.[1] It is the world's first CubeSat to be equipped with a formation flight function that can change the distance between satellites and flight pattern, allowing for precise observation of the space environment.[2] Four 10kg cube satellites are designed to fly in a horizontal, vertical, and formation configuration to observe space weather, including space storms, and their microstructures.[3]
Mission
[edit]It has the mission of observing the temporal and spatial changes of plasma by utilizing multiple satellites to overcome the limitations of observing the fine structure of space weather using a single satellite. The satellite group flies in a north-south direction in a single orbital plane to observe the temporal changes of space weather.[1]
There are also plans to conduct joint research with NASA using data observed by SNIPE.[1]
After being launched on board Nuri (KSLV-II) on May 25, 2023, it achieved the target altitude of 550km and the target launch speed of 7.58km/s without error.[4]
However, the SNIPE 3 (also known as Dasol) failed to eject. Subsequent analysis concluded that the ejection tube door on the third stage of the Nuri rocket did not open. There was no problem with the electrical system from the launch vehicle to the ejection tube.[5]
Unit 4 (also known as Raon) sent a beacon signal to Earth. At approximately 6:24 PM on May 26, 2023, the Daejeon ground station successfully received Unit 4's beacon signal.[2]
See also
[edit]References
[edit]- ^ a b c "[누리호 발사준비] ② 첫 탑승하는 실용위성…국산영상레이더도 최초운용". Yonhap News. 7 May 2023.
- ^ a b "다누리 편광카메라, 군집위성 도요샛…천문연이 뽑은 '올해 10대 뉴스'". Chosun Biz. 28 December 2023.
- ^ "도요샛 셋째 다솔아 어딨니…도요새처럼 높이 꿈꿔야지". The Hankyoreh. 28 May 2023.
- ^ "'도요샛' 1기 우주 미아 됐지만 "누리호 탑승 후회 없어"". KBS News. 6 June 2023.
- ^ "도요샛 3호기 우주행 불발 원인 규명…"사출관 문 안 열렸다"". Kyunghyang Shinmun. 23 June 2023.
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