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Cosmos 1821 Rocket - Close encounters

The following table lists the upcoming close encounters with all other known orbiting objects for which orbital elements are available (over 16000). Only objects which come within 5 km are included. Please note that the accuracy of these predictions is limited by the accuracy of the latest orbital elements. A position accuracy of approximately 1 km is typical. Click on a row to get more details about the encounter and a graphical representation.

Time (UTC) Distance Relative speed Other object
km km/s Name ID Radar cross section
2021 May 16 03:42:102.71613.165deb Agena D5446small
2021 May 16 12:30:061.71711.006Meteor 2-1517290large
2021 May 18 15:08:512.53912.748COSMOS 2251 DEB35835small
2021 May 20 07:07:262.20313.495FENGYUN 1C DEB37036small
2021 May 20 08:51:304.96710.618COSMOS 1275 DEB42197small
2021 May 20 18:40:042.17913.873COSMOS 2251 DEB38056small