COSMOS 877 DELTA 1 DEB

0.046% collision chance on 2025-12-15 22:12:53z

CDM information

Conjunction Data Message description

COSMOS 877 is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 15, 2025, 10:53 p.m., with a collision probability of 0.046%. 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 877 in its detailed page.

Key information

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

TCA: 2025-12-15 22:53:34z

CDM ID: 1263480849

Miss distance: 60.0 (m)

Collision probability: 0.0004600103 (~0.046%)

Last Updated: 19 hours ago

Objects comparison

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

COSMOS 877	Name	DELTA 1 DEB
9594	Norad ID	8084
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
74.03°	Inclination	98.65°
MEDIUM	Size	SMALL
CIS	Country	US
Dec. 7, 1976	Launch date	July 23, 1972
	Full details

Live tracking

Real-time ground track for COSMOS 877 and DELTA 1 DEB.

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