JCAT - S followed by the US satcat number from space-track
Name - satellite name from GCAT
Type:
P Payload
R Rocket stage
C Debris - Discarded spacecraft part
D Debris - fragmentation debris
Z Spurious entry (excluded from file)
N Unused catalog number (excluded from file )
Area estimate 1, main bus length times diameter
Area estimate 2, main bus diameter times span of longest appendage
True area is likely between the two estimates.
When area1 and area2 are similar, it's well understood.
However area2 can be much, much larger than area1, especially in the case of tether experiments
(small sat with tether up to 20 km long)
Orbital status:
UP: in Earth orbit
DOWN: reentered or landed on Earth
DEEP: Beyond Earth orbit
Alive status: alive or dead
World it's currently on or orbiting, usually Earth
Constellation flag:
MEGA in a megaconstellation
LCON in a large but not mega constellation
NOT-CON Neither
Program name: Program name or constellation name.
Can be used to group related payloads.