Close approach between COMPASS-1, SICH-1

Here's some information from the AMSAT mail reflector:

"United States Joint Space Operations Center (JSpOC) has identified predicted
close approach between COMPASS-1 (#32787) and SICH-1 (#23657).
Jan 22 14:27 UTC - predicted distance: 429 m (overall)"

COMPASS-1 got a CW beacon on 437.275 MHz and an AX.25 downlink with image data on 437.405 MHz, SICH-1 uses 137.4 MHz but wasn't heard in a while.