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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 22:13:143.14413.012AISAT40054medium
2021 Dec 11 15:19:222.1237.936XJS H45612large
2021 Dec 12 10:26:454.60112.490deb Chang Zheng 420879medium
2021 Dec 13 05:10:083.9529.972NOAA 17 DEB48616small
2021 Dec 14 04:34:263.6339.121PSLV DEB29104small
2021 Dec 15 00:55:172.46113.652OBJECT G49321medium
2021 Dec 15 19:55:181.15510.123Cosmos 130012785large