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NPP - 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 Sep 19 06:17:144.1479.426DMSP 5D-3 F19 DEB43416small
2021 Sep 19 13:52:502.23911.538FENGYUN 1C DEB29796small
2021 Sep 19 18:03:054.44613.883NOAA 16 DEB42412small
2021 Sep 19 19:44:343.55513.883NOAA 16 DEB42412small
2021 Sep 19 22:23:573.6762.201FENGYUN 1C DEB32333small
2021 Sep 20 03:18:553.70114.268NOAA 16 DEB41360small
2021 Sep 20 06:43:533.17410.719COSMOS 1670 DEB44569small
2021 Sep 20 11:44:152.10914.441NOAA 16 DEB41212small
2021 Sep 20 12:06:523.97714.433NOAA 16 DEB41425small
2021 Sep 20 23:46:094.36313.894deb Kosmos-127512713small
2021 Sep 21 04:44:553.8508.842COSMOS 2251 DEB36424small
2021 Sep 21 09:46:584.29614.122NOAA 16 DEB41377small
2021 Sep 21 09:48:593.9109.916deb Agena D4149small
2021 Sep 21 16:39:292.7957.239DMSP 5D-2 F13 DEB42285small
2021 Sep 22 18:02:563.2891.683FENGYUN 1C DEB30804small
2021 Sep 23 10:55:574.25310.227FENGYUN 1C DEB30731small
2021 Sep 23 12:37:182.96710.637FENGYUN 1C DEB29779small
2021 Sep 23 17:54:031.39514.297NOAA 16 DEB41420small
2021 Sep 23 21:08:372.82313.302METEOR 2-7 DEB43302small
2021 Sep 24 06:40:152.07214.824SL-18 DEB28292small
 

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