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
PICOSAT 6 Sept. 8, 2025, 9:29 p.m. 0.000180503 522.0 (m) PAYLOAD SSO SL-8 DEB
SL-8 DEB Sept. 8, 2025, 9:29 p.m. 0.000180503 522.0 (m) DEBRIS LEO PICOSAT 6
DELTA 1 DEB Sept. 8, 2025, 6:56 p.m. 0.0001182086 209.0 (m) DEBRIS SSO COSMOS 2251 DEB
EXPLORER 30 Sept. 8, 2025, 5:02 p.m. 0.001889457 509.0 (m) PAYLOAD LEO FENGYUN 1C DEB
COSMOS 2288 (GLONASS) Sept. 8, 2025, 4:32 p.m. TBA 3647.0 (m) PAYLOAD MEO COSMOS 2294 (GLONASS)
COSMOS 2294 (GLONASS) Sept. 8, 2025, 4:32 p.m. TBA 3647.0 (m) PAYLOAD MEO COSMOS 2288 (GLONASS)
COSMOS 1084 Sept. 8, 2025, 2:24 p.m. 0.0001447192 869.0 (m) PAYLOAD LEO SL-14 DEB
SL-14 DEB Sept. 8, 2025, 2:24 p.m. 0.0001447192 869.0 (m) DEBRIS LEO COSMOS 1084
INMARSAT 2-F4 Sept. 8, 2025, 1:30 p.m. TBA 1336.0 (m) PAYLOAD OTHER SL-12 R/B(2)
SL-12 R/B(2) Sept. 8, 2025, 1:30 p.m. TBA 1336.0 (m) ROCKET BODY OTHER INMARSAT 2-F4

Total items: 21061 | Page 1 of 2107


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