CZ-4 DEB DELTA 1 R/B(1)

0.023% collision chance on 2025-12-05 11:12:50z

CDM information

Conjunction Data Message description

CZ-4 DEB is risking orbital collision with DELTA 1 R/B(1). The time of closest approach (TCA) between the two objects is calculated to be at Dec. 5, 2025, 11:50 a.m., with a collision probability of 0.023%. The closest distance at TCA is estimated to be 572.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-12-05 11:50:04z

CDM ID: 1253031122

Miss distance: 572.0 (m)

Collision probability: 0.0002336445 (~0.023%)

Objects comparison

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

CZ-4 DEB Name DELTA 1 R/B(1)
28075 Norad ID 10793
DEBRIS Type ROCKET BODY
SSO Orbit LEO
98.65° Inclination 28.23°
SMALL Size LARGE
PRC Country US
Oct. 14, 1999 Launch date April 7, 1978
Full details

Live tracking

Real-time ground track for CZ-4 DEB and DELTA 1 R/B(1).


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