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
OAO 1 Sept. 5, 2025, 3:59 p.m. 0.0001097577 698.0 (m) PAYLOAD LEO DELTA 1 DEB
EXPLORER 30 Sept. 5, 2025, 3:45 p.m. 0.000218653 235.0 (m) PAYLOAD LEO DMSP 5D-2 F13 DEB
DMSP 5D-2 F13 DEB Sept. 5, 2025, 3:45 p.m. 0.000218653 235.0 (m) DEBRIS SSO EXPLORER 30
COSMOS 2251 DEB Sept. 5, 2025, 7:23 a.m. 0.0001466462 304.0 (m) DEBRIS LEO CZ-6A DEB
CZ-6A DEB Sept. 5, 2025, 7:23 a.m. 0.0001466462 304.0 (m) DEBRIS LEO COSMOS 2251 DEB
FENGYUN 1C DEB Sept. 5, 2025, 4:35 a.m. 0.0001226987 682.0 (m) DEBRIS SSO CZ-6A DEB
CZ-6A DEB Sept. 5, 2025, 4:35 a.m. 0.0001226987 682.0 (m) DEBRIS SSO FENGYUN 1C DEB
ANIK A3 (TELESAT-3) Sept. 4, 2025, 6:41 p.m. TBA 808.0 (m) PAYLOAD OTHER INTELSAT 33E DEB
INTELSAT 33E DEB Sept. 4, 2025, 6:41 p.m. TBA 808.0 (m) DEBRIS GEO ANIK A3 (TELESAT-3)
COSMOS 2251 Sept. 4, 2025, 1:37 p.m. 0.0001775172 872.0 (m) PAYLOAD LEO COSMOS 252 DEB

Total items: 20974 | Page 1 of 2098


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