UME 1 (ISS 1) SL-16 R/B

0.952% collision chance on 2025-03-31 01:03:27z

CDM information

Conjunction Data Message description

UME 1 (ISS 1) is risking orbital collision with SL-16 R/B. The time of closest approach (TCA) between the two objects is calculated to be at March 31, 2025, 1:27 a.m., with a collision probability of 0.952%. The closest distance at TCA is estimated to be 81.0 meters.

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

Key information

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

TCA: 2025-03-31 01:27:03z

CDM ID: 981178311

Miss distance: 81.0 (m)

Collision probability: 0.009523358 (~0.952%)

Last Updated: 6 months, 2 weeks ago

Objects comparison

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

UME 1 (ISS 1)	Name	SL-16 R/B
8709	Norad ID	27006
PAYLOAD	Type	ROCKET BODY
LEO	Orbit	SSO
69.67°	Inclination	99.75°
LARGE	Size	LARGE
JPN	Country	CIS
Feb. 29, 1976	Launch date	Dec. 10, 2001
	Full details

Live tracking

Real-time ground track for UME 1 (ISS 1) and SL-16 R/B.

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