DELTA 1 DEB DMSP 5D-2 F11 DEB

0.017% collision chance on 2025-10-11 13:10:55z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with DMSP 5D-2 F11 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Oct. 11, 2025, 1:55 p.m., with a collision probability of 0.017%. The closest distance at TCA is estimated to be 246.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object DELTA 1 DEB in its detailed page.

Key information

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

TCA: 2025-10-11 13:55:38z

CDM ID: 1182995762

Miss distance: 246.0 (m)

Collision probability: 0.000167558 (~0.017%)

Last Updated: 2 months ago

Objects comparison

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

DELTA 1 DEB	Name	DMSP 5D-2 F11 DEB
17764	Norad ID	28304
DEBRIS	Type	DEBRIS
SSO	Orbit	SSO
99.02°	Inclination	98.71°
SMALL	Size	SMALL
US	Country	US
March 5, 1978	Launch date	Nov. 28, 1991
	Full details

Live tracking

Real-time ground track for DELTA 1 DEB and DMSP 5D-2 F11 DEB.

Return to all CDMs

Newsletter sign-up

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