Latitude
—
CHECKMATE
NORAD 56164 · COSPAR 2023-050C · ACTIVE
Orbit: #18031 @ 943 x 951 km x 80.9989 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-26 12:01 UTC · 19.1 h old
Orbit history
// altitude & velocity from orbital-data archiveTrend: —
Altitude —
Velocity —
Next visible passes
// click to checkCurrent TLE
// onowactive
CHECKMATE 4
1 56164U 23050C 26299.50115488 .00000053 00000-0 37150-4 0 09990
2 56164 80.9989 305.9147 0005277 352.9625 7.1456 13.84823387180312
TLE data & history
🚀 Launch manifest1 56164U 23050C 26299.50115488 .00000053 00000-0 37150-4 0 09990
2 56164 80.9989 305.9147 0005277 352.9625 7.1456 13.84823387180312
Spacecraft info
// UCS Satellite DatabaseLaunch date
April 2nd 2023
Spacecraft age
3 years, 6 months
Distance travelled
—
Expected lifetime
—
Operator
Space Development Agency
Purpose
Technology Demonstration
Orbit class
LEO · Polar
Launch site
Vandenberg AFB
Launch vehicle
Falcon 9
Contractor
York Space Systems
Launch mass
150 kg
Power
â
Orbit elements
// from current orbital elementsInclination
80.9989°
Period
103.98 min
Perigee
943 km
Apogee
951 km
Eccentricity
0.0005277
RAAN
305.9147°
Arg of Perigee
352.9625°
Mean Motion
13.84823387 rev/d