DELTA 1 DEB SL-8 R/B

0.031% collision chance on 2025-09-17 10:09:50z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with SL-8 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 17, 2025, 10:50 a.m., with a collision probability of 0.031%. The closest distance at TCA is estimated to be 313.0 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: 2025-09-17 10:50:16z

CDM ID: 1156003386

Miss distance: 313.0 (m)

Collision probability: 0.0003058026 (~0.031%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

DELTA 1 DEB	Name	SL-8 R/B
3812	Norad ID	27870
DEBRIS	Type	ROCKET BODY
SSO	Orbit	LEO
102.46°	Inclination	82.47°
SMALL	Size	LARGE
US	Country	CIS
Dec. 15, 1968	Launch date	Aug. 19, 2003
	Full details

Live tracking

Real-time ground track for DELTA 1 DEB and SL-8 R/B.

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