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Location: San Antonio
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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
2025 Jun 16 11:12:311.4496.224COSMOS 2251 DEB33848small
2025 Jun 17 06:41:313.5189.147deb Delta 987075medium
2025 Jun 18 07:10:534.31112.057FENGYUN 1C DEB33633small
2025 Jun 19 18:30:523.99511.927FENGYUN 1C DEB29974small
 

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