COSMOS 2251 DEB DELTA 1 R/B

0.203% collision chance on 2025-09-24 16:09:39z

CDM information

Conjunction Data Message description

COSMOS 2251 DEB is risking orbital collision with DELTA 1 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 24, 2025, 4:39 p.m., with a collision probability of 0.203%. The closest distance at TCA is estimated to be 60.0 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: 2025-09-24 16:39:20z

CDM ID: 1164987488

Miss distance: 60.0 (m)

Collision probability: 0.0020309 (~0.203%)

Last Updated: 1 month ago

Objects comparison

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

COSMOS 2251 DEB	Name	DELTA 1 R/B
37959	Norad ID	1433
DEBRIS	Type	ROCKET BODY
LEO	Orbit	SSO
74.01°	Inclination	98.55°
SMALL	Size	MEDIUM
CIS	Country	US
June 16, 1993	Launch date	July 2, 1965
	Full details

Live tracking

Real-time ground track for COSMOS 2251 DEB and DELTA 1 R/B.

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