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
THOR ABLESTAR DEB Dec. 16, 2025, 10:46 p.m. 0.0001498875 795.0 (m) DEBRIS LEO DELTA 1 DEB
DELTA 1 DEB Dec. 16, 2025, 10:46 p.m. 0.0001498875 795.0 (m) DEBRIS SSO THOR ABLESTAR DEB
PSLV R/B Dec. 16, 2025, 6:20 p.m. 0.0002002383 792.0 (m) ROCKET BODY SSO YAOGAN 4 DEB
COSMOS 1275 DEB Dec. 16, 2025, 4:02 p.m. 0.0009497751 47.0 (m) DEBRIS LEO DELTA 1 DEB
DELTA 1 DEB Dec. 16, 2025, 4:02 p.m. 0.0009497751 47.0 (m) DEBRIS SSO COSMOS 1275 DEB
PEGASUS DEB Dec. 16, 2025, 1:34 p.m. 0.00022353 32.0 (m) DEBRIS LEO FENGYUN 1C DEB
FENGYUN 1C DEB Dec. 16, 2025, 1:34 p.m. 0.00022353 32.0 (m) DEBRIS SSO PEGASUS DEB
COSMOS 2288 (GLONASS) Dec. 16, 2025, 11:15 a.m. TBA 4678.0 (m) PAYLOAD MEO COSMOS 2294 (GLONASS)
COSMOS 2294 (GLONASS) Dec. 16, 2025, 11:15 a.m. TBA 4678.0 (m) PAYLOAD MEO COSMOS 2288 (GLONASS)
KITSAT B Dec. 16, 2025, 9:39 a.m. 0.0002983739 645.0 (m) PAYLOAD SSO FENGYUN 1C DEB

Total items: 24576 | Page 1 of 2458


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