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Location: St. Louis
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Explorer 11/Cluster Stage 4 - 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 Dec 09 12:40:014.31211.899FENGYUN 1C DEB32443small
2021 Dec 09 22:13:142.93313.012AISAT40054medium
2021 Dec 12 10:10:253.4639.905ZHUHAI-1 OHS-0143439medium
2021 Dec 12 18:27:024.6565.941COSMOS 2251 DEB36626small
2021 Dec 12 20:03:164.14413.629FENGYUN 1C DEB30966small