DELTA 1 DEB SL-3 R/B

0.021% collision chance on 2025-12-03 21:12:15z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with SL-3 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Dec. 3, 2025, 9:15 p.m., with a collision probability of 0.021%. The closest distance at TCA is estimated to be 513.0 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: 2025-12-03 21:15:19z

CDM ID: 1251353913

Miss distance: 513.0 (m)

Collision probability: 0.0002100229 (~0.021%)

Last Updated: 1 week, 4 days ago

Objects comparison

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

DELTA 1 DEB	Name	SL-3 R/B
14565	Norad ID	11963
DEBRIS	Type	ROCKET BODY
MEO	Orbit	LEO
29.21°	Inclination	81.28°
SMALL	Size	LARGE
US	Country	CIS
July 14, 1977	Launch date	Sept. 9, 1980
	Full details

Live tracking

Real-time ground track for DELTA 1 DEB and SL-3 R/B.

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