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NOAA 15 - 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 Apr 21 00:49:453.69514.825COSMOS 2251 DEB35645small
2021 Apr 21 16:36:091.9763.208SL-16 Debris25402small
2021 Apr 22 04:22:093.4411.326DMSP 5D-2 F13 DEB42310small
2021 Apr 22 17:53:303.45110.955FENGYUN 1C DEB37416small
2021 Apr 22 22:02:103.6120.138FENGYUN 1C DEB31510small
2021 Apr 23 00:34:232.3632.591deb Chang Zheng 420850medium
2021 Apr 23 04:46:004.3687.429PSLV R/B41878large
2021 Apr 23 09:19:204.6939.430deb Delta 13214563small
2021 Apr 23 14:09:440.47111.884COSMOS 1867 COOLANT39656small
2021 Apr 23 18:21:121.10714.039deb Zenit24866small
2021 Apr 24 06:02:172.5692.534FENGYUN 1C DEB30697small
2021 Apr 24 12:03:141.39611.863COSMOS 1867 COOLANT43324small
2021 Apr 25 01:25:491.9275.427CZ-4B DEB28438small
2021 Apr 25 11:28:354.70610.612FENGYUN 1C DEB30746small
2021 Apr 25 13:08:130.64811.821COSMOS 2251 DEB35881small
2021 Apr 25 15:24:423.34214.901In-Cosmos 22 Rocket12646large
2021 Apr 25 17:13:540.49414.535deb r/b Ablestar417small
2021 Apr 25 19:53:343.73211.489CZ-4B DEB35573small
2021 Apr 25 22:33:174.00113.983SL-16 DEB39848small
2021 Apr 26 15:17:053.2524.248FENGYUN 1C DEB37040small
2021 Apr 26 22:04:153.7518.639IRS-P323827large
 

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