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Vanguard 1 - 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 Mar 08 19:24:123.81813.783FENGYUN 1C DEB32118small
2021 Mar 10 09:04:073.1049.071FENGYUN 1C DEB30731small
2021 Mar 12 00:37:393.61012.107PAYLOAD A27430large
2021 Mar 12 18:20:134.64811.806FENGYUN 1C DEB31355small