COSMOS 1256 DELTA 1 DEB

0.279% collision chance on 2025-11-19 04:11:12z

CDM information

Conjunction Data Message description

COSMOS 1256 is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 19, 2025, 4:12 a.m., with a collision probability of 0.279%. The closest distance at TCA is estimated to be 116.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object COSMOS 1256 in its detailed page.

Key information

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

TCA: 2025-11-19 04:12:05z

CDM ID: 1234192817

Miss distance: 116.0 (m)

Collision probability: 0.002787338 (~0.279%)

Last Updated: 1 month ago

Objects comparison

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

COSMOS 1256	Name	DELTA 1 DEB
12326	Norad ID	12533
PAYLOAD	Type	DEBRIS
LEO	Orbit	SSO
74.03°	Inclination	101.74°
MEDIUM	Size	SMALL
CIS	Country	US
March 6, 1981	Launch date	July 29, 1976
	Full details

Live tracking

Real-time ground track for COSMOS 1256 and DELTA 1 DEB.

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