DELTA 1 DEB SCOUT X-4 R/B

0.044% collision chance on 2025-09-30 18:09:00z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with SCOUT X-4 R/B. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 30, 2025, 6 p.m., with a collision probability of 0.044%. The closest distance at TCA is estimated to be 392.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-09-30 18:00:41z

CDM ID: 1171774785

Miss distance: 392.0 (m)

Collision probability: 0.0004407822 (~0.044%)

Objects comparison

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

DELTA 1 DEB Name SCOUT X-4 R/B
7839 Norad ID 1739
DEBRIS Type ROCKET BODY
SSO Orbit LEO
98.74° Inclination 59.7°
MEDIUM Size MEDIUM
US Country US
July 23, 1972 Launch date Nov. 19, 1965
Full details

Live tracking

Real-time ground track for DELTA 1 DEB and SCOUT X-4 R/B.


Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.