PORCUPINE 1 COSMOS 397 DEB *

0.014% collision chance on 2025-03-30 05:03:16z

CDM information

Conjunction Data Message description

PORCUPINE 1 is risking orbital collision with COSMOS 397 DEB *. The time of closest approach (TCA) between the two objects is calculated to be at March 30, 2025, 5:16 a.m., with a collision probability of 0.014%. The closest distance at TCA is estimated to be 165.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-03-30 05:16:39z

CDM ID: 981175133

Miss distance: 165.0 (m)

Collision probability: 0.000144564 (~0.014%)

Objects comparison

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

PORCUPINE 1 Name COSMOS 397 DEB *
1272 Norad ID 5527
PAYLOAD Type DEBRIS
LEO Orbit LEO
70.08° Inclination 66.89°
MEDIUM Size SMALL
US Country CIS
March 9, 1965 Launch date Feb. 25, 1971
Full details

Live tracking

Real-time ground track for PORCUPINE 1 and COSMOS 397 DEB *.


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