NOAA 1 COSMOS 1823 DEB

0.023% collision chance on 2025-05-21 03:05:30z

CDM information

Conjunction Data Message description

NOAA 1 is risking orbital collision with COSMOS 1823 DEB. The time of closest approach (TCA) between the two objects is calculated to be at May 21, 2025, 3:30 a.m., with a collision probability of 0.023%. The closest distance at TCA is estimated to be 39.0 meters.

Note: this is the latest available calculation for this conjunction event. Access all the most updated CDMs for object NOAA 1 in its detailed page.

Key information

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

TCA: 2025-05-21 03:30:35z

CDM ID: 1029159889

Miss distance: 39.0 (m)

Collision probability: 0.0002288389 (~0.023%)

Last Updated: 1 month, 2 weeks ago

Objects comparison

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

NOAA 1	Name	COSMOS 1823 DEB
4793	Norad ID	39820
PAYLOAD	Type	DEBRIS
SSO	Orbit	LEO
101.39°	Inclination	73.63°
LARGE	Size	SMALL
US	Country	CIS
Dec. 11, 1970	Launch date	Feb. 20, 1987
	Full details

Live tracking

Real-time ground track for NOAA 1 and COSMOS 1823 DEB.

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