DELTA 1 DEB COSMOS 1660

0.021% collision chance on 2025-11-25 23:11:20z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with COSMOS 1660. The time of closest approach (TCA) between the two objects is calculated to be at Nov. 25, 2025, 11:20 p.m., with a collision probability of 0.021%. The closest distance at TCA is estimated to be 214.0 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: 2025-11-25 23:20:08z

CDM ID: 1240526811

Miss distance: 214.0 (m)

Collision probability: 0.0002063195 (~0.021%)

Last Updated: 3 weeks, 5 days ago

Objects comparison

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

DELTA 1 DEB	Name	COSMOS 1660
10843	Norad ID	15821
DEBRIS	Type	PAYLOAD
SSO	Orbit	LEO
101.69°	Inclination	73.63°
SMALL	Size	LARGE
US	Country	CIS
July 29, 1976	Launch date	June 14, 1985
	Full details

Live tracking

Real-time ground track for DELTA 1 DEB and COSMOS 1660.

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