DELTA 1 DEB OAO 1

0.104% collision chance on 2025-09-05 15:09:59z

CDM information

Conjunction Data Message description

DELTA 1 DEB is risking orbital collision with OAO 1. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 5, 2025, 3:59 p.m., with a collision probability of 0.104%. The closest distance at TCA is estimated to be 375.0 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: 2025-09-05 15:59:48z

CDM ID: 1142362557

Miss distance: 375.0 (m)

Collision probability: 0.001042867 (~0.104%)

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	OAO 1
10629	Norad ID	2142
DEBRIS	Type	PAYLOAD
LEO	Orbit	LEO
29.83°	Inclination	35.04°
SMALL	Size	LARGE
US	Country	US
July 14, 1977	Launch date	April 8, 1966
	Full details

Live tracking

Real-time ground track for DELTA 1 DEB and OAO 1.

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