"Tumble" refers to the most recent measurement of the apparent tumble (spin) period of the satellite.
The first number refers to the measured tumble period in seconds.
The numbers in parentheses refers to the month, day and year (MM / DD / YY) of the most recent observation.
The observers are colour coded as follows:
K. Fetter - Brockville, Ontario Canada
Y. Chia - Singapore
A. Scarbro - Grass Range, Montana U.S.A.
J. Glydewell - Mississippi U.S.A.
"?" refers to a satellite that is suspected of tumbling, having been observed to flare, or has been confirmed to tumble but has not been observed sufficiently to determine an accurate tumble period.
refers to an entry that
was later proven not to be a satellite and therefore the tumble period is not
applicable in this case.
CSC Legend: TUMBLE Was Last Modified On August 19, 2013