User: anonymous   Login
Location: Balaclava NSW 2575, Australia
(34.4510°S, 150.4953°E)
Time: 21:05:19

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 Jun 13 18:42:453.24712.698COSMOS 2251 DEB35076small
2021 Jun 13 23:24:551.6557.131deb Kosmos- 182318725medium
2021 Jun 16 13:08:373.28212.108Cosmos 1140 Rocket11574large