NAME
C
Name in a most familiar catalog as STF, STT, BU, A...
ADS
ADS number; missing for minority of binaries
PERIOD_Y
N
Period in years
PERIAS_T
Year of some passage of the periastron
ECCEN
Excentricity of the actual (not observed) orbit
SEMIAX
Large semiaxis (seconds of arc)
INCLIN
Inclination    (in degrees)
NODE
Position angle of ascending node ê (degrees)
LNGPER
Elongation of the periastron from ê -along the motion
A
blank (may be used by the user for some purpose)
G
Reliability of elements 1-5 (1 definitive, 5 prelim.)
MAG_A
Faintness of the component A (in magnitudes)
MAG_B
Faintness of the component B (in magnitudes)
ALPHA
Right ascension J2000.0 (in millidegrees),  from BSC5
DELTA
Declination J2000.0 (in millidegrees),  from the BSC5