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Hubble Space Telescope - 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 May 16 03:44:042.4849.090COSMOS 921 DEB39690small
2021 May 16 19:39:004.84311.068CZ-4 DEB35398small
2021 May 17 00:00:381.36612.070Molniya-122671large
2021 May 17 13:30:594.67413.491AMGU-1 (AMURSAT)44394small
2021 May 18 03:59:290.86112.706LilacSat-240908small
2021 May 18 04:51:170.83012.111CZ-2D R/B28738large
2021 May 19 15:53:400.99710.741Cosmos 160215331large
2021 May 19 23:11:573.91513.262DMSat-147940medium
2021 May 20 05:32:121.7189.237FLOCK 4V 446314small
2021 May 20 06:19:531.1979.219FLOCK 4V 346322medium
2021 May 21 11:43:290.7198.967FLOCK 4V 146313medium
2021 May 21 22:23:482.26912.922LEMUR 2 LILLYJO44396small