SL-12 R/B(AUX MOTOR) DELTA 1 DEB

0.011% collision chance on 2025-04-21 16:04:12z

CDM information

Conjunction Data Message description

SL-12 R/B(AUX MOTOR) is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at April 21, 2025, 4:12 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 108.0 meters.

Key information

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

CDM image for a rocket body

TCA: 2025-04-21 16:12:08z

CDM ID: 1001917298

Miss distance: 108.0 (m)

Collision probability: 0.0001133279 (~0.011%)

Objects comparison

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

SL-12 R/B(AUX MOTOR) Name DELTA 1 DEB
15773 Norad ID 7933
ROCKET BODY Type DEBRIS
LEO Orbit SSO
66.59° Inclination 99.0°
MEDIUM Size SMALL
CIS Country US
May 30, 1985 Launch date July 23, 1972
Full details

Live tracking

Real-time ground track for SL-12 R/B(AUX MOTOR) and DELTA 1 DEB.


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