COSMOS 252 DEB * NADEZHDA 1

0.015% collision chance on 2025-04-27 01:04:16z

CDM information

Conjunction Data Message description

COSMOS 252 DEB * is risking orbital collision with NADEZHDA 1. The time of closest approach (TCA) between the two objects is calculated to be at April 27, 2025, 1:16 a.m., with a collision probability of 0.015%. The closest distance at TCA is estimated to be 261.0 meters.

Key information

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

CDM image for a debris

TCA: 2025-04-27 01:16:14z

CDM ID: 1005874531

Miss distance: 261.0 (m)

Collision probability: 0.0001510934 (~0.015%)

Objects comparison

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

COSMOS 252 DEB * Name NADEZHDA 1
3686 Norad ID 20103
DEBRIS Type PAYLOAD
LEO Orbit LEO
62.26° Inclination 82.96°
SMALL Size LARGE
CIS Country CIS
Nov. 1, 1968 Launch date July 4, 1989
Full details

Live tracking

Real-time ground track for COSMOS 252 DEB * and NADEZHDA 1.


Newsletter sign-up

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