COSMOS 2251 DEB ARIANE 1 DEB

0.018% collision chance on 2025-05-05 18:05:22z

CDM information

Conjunction Data Message description

COSMOS 2251 DEB is risking orbital collision with ARIANE 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at May 5, 2025, 6:22 p.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 350.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 2251 DEB in its detailed page.

Key information

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

TCA: 2025-05-05 18:22:57z

CDM ID: 1015068785

Miss distance: 350.0 (m)

Collision probability: 0.0001831694 (~0.018%)

Last Updated: 4 days, 7 hours ago

Objects comparison

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

COSMOS 2251 DEB	Name	ARIANE 1 DEB
39591	Norad ID	35408
DEBRIS	Type	DEBRIS
LEO	Orbit	SSO
74.02°	Inclination	98.38°
SMALL	Size	SMALL
CIS	Country	FR
June 16, 1993	Launch date	Feb. 22, 1986
	Full details

Live tracking

Real-time ground track for COSMOS 2251 DEB and ARIANE 1 DEB.

Return to all CDMs

Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.