[PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (X.S. ); [EMAIL_ADDRESS] (Y.Z. ); [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.W.) [PERSON]  
1 State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China; [EMAIL_ADDRESS] (X.S. ); 2019314900008 by weather conditions such as clouds and rain, the development trend of satellite technology is to conduct networked observations by launching multiple low-cost microsatellites. Microsatellites are a type of satellite with a mass less than 500 kg. They have comparable functions to similar large-scale satellites, and have advantages such as flexible launch methods, high function density, simple structure, light weight, and small size. Based on these advantages, it is easy to construct a satellite constellation with microsatellites which have a shorter revisit period within 24 h. In the first half of 2021 alone, a total of 1262 satellites were launched globally, of which over 1100 were microsatellites, accounting for nearly 90%. SpaceX's second-generation Starlink plan anticipates launching 29,988 microsatellites. Amazon's \"Project Kuiper\" aims to launch 3296 microsatellites. The global microsatellite industry is experiencing explosive growth. \"Ice Pathfinder\" (code: BNU-1) is the first satellite of the microsatellite constellation designed for monitoring polar climate and environmental changes.