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A year with two letters and a number.
Also known as: Temporary asteroid designation, 1993 FW style designation
The designation given to a newly discovered minor planet before its orbit is well enough known to be numbered.
Designates a newly discovered minor planet before its orbit is known well enough for a permanent number.
Contexts: History
Encodes the half-month of discovery in its first letter and the order within that half-month in the second, running the second letter's sequence repeatedly with a rising subscript when more than twenty-five are found.
Contexts: History
A four-figure year followed by two capital letters, the second sometimes carrying a subscript number.