SOLRAD 7A MOS 1B (MOMO 1B)

0.027% collision chance on 2025-03-26 18:03:00z

CDM information

Conjunction Data Message description

SOLRAD 7A is risking orbital collision with MOS 1B (MOMO 1B). The time of closest approach (TCA) between the two objects is calculated to be at March 26, 2025, 6 p.m., with a collision probability of 0.027%. The closest distance at TCA is estimated to be 209.0 meters.

Key information

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

CDM image for a payload

TCA: 2025-03-26 18:00:24z

CDM ID: 978147897

Miss distance: 209.0 (m)

Collision probability: 0.0002730197 (~0.027%)

Objects comparison

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

SOLRAD 7A Name MOS 1B (MOMO 1B)
730 Norad ID 20478
PAYLOAD Type PAYLOAD
LEO Orbit SSO
69.91° Inclination 99.27°
MEDIUM Size LARGE
US Country JPN
Jan. 11, 1964 Launch date Feb. 7, 1990
Full details

Live tracking

Real-time ground track for SOLRAD 7A and MOS 1B (MOMO 1B).


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