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CZ-4B R/B - 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 Jul 24 12:26:272.3854.810METEOR-M35865large
2021 Jul 24 15:48:334.4336.102FENGYUN 1C DEB41833small
2021 Jul 24 19:11:431.8540.369DMSP 5D-2 F13 DEB40562small
2021 Jul 25 05:44:170.58414.693FENGYUN 1C DEB32331small
2021 Jul 25 12:13:273.9886.732DMSP 5D-2 F13 DEB40489small
2021 Jul 25 20:40:424.7615.841deb Ariane17203small
2021 Jul 26 10:15:404.58314.659deb Kosmos-127517619small
2021 Jul 26 17:31:141.81615.003FENGYUN 1C DEB30863small
2021 Jul 27 01:18:593.63213.703Tiros 4 despin weight227small
2021 Jul 27 19:14:143.72914.160FENGYUN 1C DEB31524small
2021 Jul 28 19:04:352.78113.375deb Agena D4158medium
2021 Jul 29 17:15:184.72714.466COSMOS 1275 DEB42213small