Conjunctions Database

A database of conjunction data messages, collecting information about orbital traffic. It tracks assets which could impact with debris or other satellites in their trajectory and it reports probability of collision as well as minimum ranges at the time of closest approach between the objects.

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Interactive space conjunctions data charts

Daily conjunctions in space

An overview of the number of conjunctions registered per day.

Conjunctions by object type

A classification of conjunctions by type. Filtering by object type is available.

Conjunctions overview

Mapping of conjunctions with an estimated miss distance under 1000 [m] and a probability of collision above 1 in 10'000 (i.e. > 0.01%).

Filtered table of conjunctions

List of all conjunctions queried from database, according to your filter preferences. Sort the table by clicking on its headers and access each detailed conjunction page with the green arrow.

Primary TCA Probability Miss distance Type Orbit Conjuncting
COSMOS 1275 DEB Sept. 6, 2025, 9:36 p.m. 0.000196904 400.0 (m) DEBRIS LEO COSMOS 516
COSMOS 516 Sept. 6, 2025, 9:36 p.m. 0.000196904 400.0 (m) PAYLOAD LEO COSMOS 1275 DEB
FENGYUN 1C DEB Sept. 6, 2025, 9:08 a.m. 0.0001248664 165.0 (m) DEBRIS SSO NOAA 16 DEB
COSMOS 783 Sept. 5, 2025, 11:30 p.m. 0.000707301 409.0 (m) PAYLOAD LEO FENGYUN 1C DEB
FENGYUN 1C DEB Sept. 5, 2025, 11:30 p.m. 0.000707301 409.0 (m) DEBRIS SSO COSMOS 783
DELTA 1 DEB Sept. 5, 2025, 5:32 p.m. 0.000109995 75.0 (m) DEBRIS SSO ATLAS 2AS CENTAUR R/B
ATLAS 2AS CENTAUR R/B Sept. 5, 2025, 5:32 p.m. 0.000109995 75.0 (m) ROCKET BODY LEO DELTA 1 DEB
SL-8 R/B Sept. 5, 2025, 4:30 p.m. 0.0003693496 554.0 (m) ROCKET BODY LEO FENGYUN 1C DEB
FENGYUN 1C DEB Sept. 5, 2025, 4:30 p.m. 0.0003693496 554.0 (m) DEBRIS SSO SL-8 R/B
DELTA 1 DEB Sept. 5, 2025, 3:59 p.m. 0.0001901366 858.0 (m) DEBRIS LEO OAO 1

Total items: 21005 | Page 1 of 2101


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