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Vanguard 1 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 Jun 19 14:24:262.64614.268OV1 5 Rocket2123medium
2021 Jun 21 10:11:474.3806.500Cosmos 1066 Rocket11166large
2021 Jun 24 20:29:004.34310.317ORBCOMM FM 2933062medium