COSMOS 970 DEB IRS 1B

0.018% collision chance on 2025-08-17 19:08:28z

CDM information

Conjunction Data Message description

COSMOS 970 DEB is risking orbital collision with IRS 1B. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 17, 2025, 7:28 p.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 262.0 meters.

Key information

Parameters and calculations for this potential in-orbit collision event.

CDM image for a debris

TCA: 2025-08-17 19:28:04z

CDM ID: 1118843507

Miss distance: 262.0 (m)

Collision probability: 0.0001758333 (~0.018%)

Objects comparison

A comparison of the two objects interested by this conjunction data message.

COSMOS 970 DEB Name IRS 1B
65007 Norad ID 21688
DEBRIS Type PAYLOAD
LEO Orbit SSO
65.84° Inclination 99.41°
SMALL Size LARGE
CIS Country IND
Dec. 21, 1977 Launch date Aug. 29, 1991
Full details

Live tracking

Real-time ground track for COSMOS 970 DEB and IRS 1B.


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