Latitude
—
CHECKMATE
NORAD 56164 · COSPAR 2023-050C · ACTIVE
Orbit: #18048 @ 943 x 951 km x 80.9988 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-27 17:30 UTC · 27.3 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 26300.72941089 .00000044 00000-0 29082-4 0 09996
2 56164 80.9988 304.7365 0005234 349.6293 10.4754 13.84823498180486
TLE data & history
🚀 Launch manifest1 56164U 23050C 26300.72941089 .00000044 00000-0 29082-4 0 09996
2 56164 80.9988 304.7365 0005234 349.6293 10.4754 13.84823498180486
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
80.9988°
Period
103.98 min
Perigee
943 km
Apogee
951 km
Eccentricity
0.0005234
RAAN
304.7365°
Arg of Perigee
349.6293°
Mean Motion
13.84823498 rev/d