MOS 1B (MOMO 1B) DELTA 1 DEB

0.011% collision chance on 2025-09-15 23:09:18z

CDM information

Conjunction Data Message description

MOS 1B (MOMO 1B) is risking orbital collision with DELTA 1 DEB. The time of closest approach (TCA) between the two objects is calculated to be at Sept. 15, 2025, 11:18 p.m., with a collision probability of 0.011%. The closest distance at TCA is estimated to be 755.0 meters.

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

Key information

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

TCA: 2025-09-15 23:18:09z

CDM ID: 1153649387

Miss distance: 755.0 (m)

Collision probability: 0.0001055332 (~0.011%)

Last Updated: 1 month, 1 week ago

Objects comparison

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

MOS 1B (MOMO 1B)	Name	DELTA 1 DEB
20478	Norad ID	21347
PAYLOAD	Type	DEBRIS
SSO	Orbit	SSO
99.26°	Inclination	99.4°
LARGE	Size	SMALL
JPN	Country	US
Feb. 7, 1990	Launch date	June 12, 1975
	Full details

Live tracking

Real-time ground track for MOS 1B (MOMO 1B) and DELTA 1 DEB.

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