ERS 1 PEGASUS DEB

0.028% collision chance on 2025-11-28 01:11:07z

CDM information

Conjunction Data Message description

ERS 1 is risking orbital collision with PEGASUS DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 28, 2025, 1:07 a.m., with a collision probability of 0.028%. The closest distance at TCA is estimated to be 146.0 meters.

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

Key information

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

TCA: 2025-11-28 01:07:00z

CDM ID: 1242212855

Miss distance: 146.0 (m)

Collision probability: 0.0002783721 (~0.028%)

Last Updated: 2 weeks, 4 days ago

Objects comparison

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

ERS 1	Name	PEGASUS DEB
21574	Norad ID	25442
PAYLOAD	Type	DEBRIS
SSO	Orbit	LEO
98.79°	Inclination	81.75°
LARGE	Size	SMALL
ESA	Country	US
July 17, 1991	Launch date	May 19, 1994
	Full details

Live tracking

Real-time ground track for ERS 1 and PEGASUS DEB.

Return to all CDMs

Newsletter sign-up

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