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Location: Tucson
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AO-91 - 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 Dec 07 05:16:174.76612.787COSMOS 2251 DEB33757medium
2021 Dec 07 11:58:293.24314.797COSMOS 1275 DEB42169small
2021 Dec 08 01:25:164.70715.038ZHUHAI-1 OHS-0243441medium
2021 Dec 08 02:18:564.68314.555COSMOS 2251 DEB40228small
2021 Dec 08 07:27:024.41914.353FENGYUN 1C DEB33600small
2021 Dec 08 22:04:192.71114.367DMSP 5D-2 F13 DEB40518small
2021 Dec 09 18:44:034.16814.859Cosmos 614 Rocket6966large
2021 Dec 10 06:17:073.52812.969FENGYUN 1C DEB31510small
2021 Dec 10 08:31:074.12315.078DIDO 346284medium
2021 Dec 10 10:14:431.74615.009FLOCK 4A 844092small
2021 Dec 10 15:30:134.32813.610RLFL1446268medium
2021 Dec 10 16:06:274.54211.060IRIDIUM 33 DEB34091small
2021 Dec 11 01:46:333.06311.902deb Feng Yun 1B23259small
2021 Dec 11 04:22:412.44514.729FLOCK 3M 142995small
2021 Dec 11 04:30:191.15514.453STARLINK-237447913large
2021 Dec 11 11:38:322.40613.006NOAA 16 DEB42424small
2021 Dec 11 13:42:540.54615.089NAPA-146320medium
2021 Dec 11 17:02:534.06115.066FLOCK 4P 1244810medium
2021 Dec 12 03:28:123.96114.838Orbcomm 1 Rocket23548large
 

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