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SSETI-EXPRESS - 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
2023 Jun 10 12:17:384.17711.861CZ-6A DEB56240small
2023 Jun 10 16:21:502.3725.775CZ-4B R/B38039large
2023 Jun 10 19:37:403.38612.924Iridium 5125262large
2023 Jun 11 07:06:224.2836.617DMSP BIV-1 Rocket2422large
2023 Jun 11 22:40:552.57411.363FENGYUN 1C DEB36996small
2023 Jun 12 05:24:183.58514.424FENGYUN 1C DEB31652small
2023 Jun 14 09:03:563.96111.581CSL-04 DEB26158medium
2023 Jun 14 10:20:552.69913.529Asterix1778medium