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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 Jun 21 04:45:391.79711.957deb Delta21475small
2021 Jun 22 10:52:244.3295.278Sep Motor Cover22575small
2021 Jun 25 09:55:074.79313.016FENGYUN 1C DEB31938small
2021 Jun 25 16:54:243.9278.831FENGYUN 1C DEB36685small
2021 Jun 25 17:57:254.50910.870COSMOS 1867 COOLANT39644small
2021 Jun 25 19:38:474.09211.630COSMOS 2251 DEB37499small