EXPLORER 25 (INJUN-4) DELTA 1 DEB

0.020% collision chance on 2024-08-30 00:08:05z

CDM information

Conjunction Data Message description

EXPLORER 25 (INJUN-4) is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Aug. 30, 2024, 12:05 a.m., with a collision probability of 0.020%. The closest distance at TCA is estimated to be 342.0 meters.

Key information

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

CDM image for a payload

TCA: 2024-08-30 00:05:11z

CDM ID: 802595319

Miss distance: 342.0 (m)

Collision probability: 0.0001977005 (~0.020%)

Objects comparison

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

EXPLORER 25 (INJUN-4) Name DELTA 1 DEB
932 Norad ID 21674
PAYLOAD Type DEBRIS
HEO Orbit SSO
81.34° Inclination 100.08°
MEDIUM Size SMALL
US Country US
Nov. 21, 1964 Launch date June 12, 1975
Full details

Live tracking

Real-time ground track for EXPLORER 25 (INJUN-4) and DELTA 1 DEB.


Newsletter sign-up

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