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This folder contains orbit counter files for GRACE satellites
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The data is provided in NASA CDF format (https://cdf.gsfc.nasa.gov/).
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File name:

For example:
GR1_ORBCNT_20020331T005634_20180324T231001_0101

GR1:             GRACE 1 (satellite identifier)
ORBCNT:          Orbit Counter
20180601T000000: yyyymmddThhhhhh (time of first entry)
20180601T235959: yyyymmddThhhhhh (time of last entry)
0101:            version 0101 (version identifier)
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Data categories

ORBCNT:     Preliminary Orbit Counter created from TLE's, https://sscweb.gsfc.nasa.gov/cgi-bin/Locator.cgi
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Contact:

Claudia Stolle (cstolle@gfz-potsdam.de)
Ingo Michaelis (ingo.michaelis@gfz-potsdam.de)
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License: CC BY 4.0