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
NOAA 16 Dec. 15, 2025, 11:25 p.m. 0.0001689768 201.0 (m) PAYLOAD SSO DELTA 1 DEB
DELTA 1 DEB Dec. 15, 2025, 11:25 p.m. 0.0001689768 201.0 (m) DEBRIS SSO NOAA 16
DELTA 1 DEB Dec. 15, 2025, 10:53 p.m. 0.0004600103 60.0 (m) DEBRIS SSO COSMOS 877
COSMOS 877 Dec. 15, 2025, 10:53 p.m. 0.0004600103 60.0 (m) PAYLOAD LEO DELTA 1 DEB
DELTA 1 R/B Dec. 15, 2025, 6:47 p.m. 0.0005286966 76.0 (m) ROCKET BODY SSO COSMOS 1294
COSMOS 1294 Dec. 15, 2025, 6:47 p.m. 0.0005286966 76.0 (m) PAYLOAD LEO DELTA 1 R/B
COSMOS 2294 (GLONASS) Dec. 15, 2025, 12:44 p.m. TBA 4560.0 (m) PAYLOAD MEO COSMOS 2288 (GLONASS)
COSMOS 2288 (GLONASS) Dec. 15, 2025, 12:44 p.m. TBA 4560.0 (m) PAYLOAD MEO COSMOS 2294 (GLONASS)
FENGYUN 1C DEB Dec. 15, 2025, 11:23 a.m. 0.0002326856 570.0 (m) DEBRIS SSO SL-16 R/B DEB
SL-16 R/B DEB Dec. 15, 2025, 11:23 a.m. 0.0002326856 570.0 (m) DEBRIS LEO FENGYUN 1C DEB

Total items: 24535 | Page 1 of 2454


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