COSMOS 2251 DEB PORCUPINE 1

0.018% collision chance on 2025-04-28 07:04:35z

CDM information

Conjunction Data Message description

COSMOS 2251 DEB is risking orbital collision with PORCUPINE 1. The time of closest approach (TCA) between the two objects is calculated to be at April 28, 2025, 7:35 a.m., with a collision probability of 0.018%. The closest distance at TCA is estimated to be 177.0 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: 2025-04-28 07:35:40z

CDM ID: 1006619519

Miss distance: 177.0 (m)

Collision probability: 0.0001821309 (~0.018%)

Last Updated: 2 weeks, 3 days ago

Objects comparison

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

COSMOS 2251 DEB	Name	PORCUPINE 1
34760	Norad ID	1272
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
74.06°	Inclination	70.08°
SMALL	Size	MEDIUM
CIS	Country	US
June 16, 1993	Launch date	March 9, 1965
	Full details

Live tracking

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

Return to all CDMs

Newsletter sign-up

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