Gravity Details

Acceleration of gravity at surface level:    9.7977 m/s²
Acceleration of gravity at  80.000 km (ASL): 9.5555 m/s²


Launch Site Details

Launch Date: 2026-10-04 03:00:00 UTC | 2026-10-04 12:00:00 Asia/Seoul
Launch Site Latitude: 35.57210°
Launch Site Longitude: 129.18220°
Reference Datum: WGS84
Launch Site UTM coordinates: 516509.51 E    3936505.05 N
Launch Site UTM zone: 52S
Launch Site Surface Elevation: 53.0 m


Atmospheric Model Details

Atmospheric Model Type: custom_atmosphere
custom_atmosphere Maximum Height: 80.000 km

Surface Atmospheric Conditions

Surface Wind Speed: 4.00 m/s
Surface Wind Direction: 315.00°
Surface Wind Heading: 135.00°
Surface Pressure: 1007.03 hPa
Surface Temperature: 293.15 K
Surface Air Density: 1.197 kg/m³
Surface Speed of Sound: 343.23 m/s


Earth Model Details

Earth Radius at Launch site: 6370.94 km
Semi-major Axis: 6378.14 km
Semi-minor Axis: 6356.75 km
Flattening: 0.0034

Nozzle Details
Nozzle Radius: 0.033 m
Nozzle Throat Radius: 0.011 m

Grain Details
Number of Grains: 5
Grain Spacing: 0.005 m
Grain Density: 1815 kg/m3
Grain Outer Radius: 0.033 m
Grain Inner Radius: 0.015 m
Grain Height: 0.12 m
Grain Volume: 0.000 m3
Grain Mass: 0.591 kg

Motor Details
Total Burning Time: 3.9 s
Total Propellant Mass: 2.956 kg
Structural Mass Ratio: 0.380
Average Propellant Exhaust Velocity: 2038.745 m/s
Average Thrust: 1545.218 N
Maximum Thrust: 2200.0 N at 0.15 s after ignition.
Total Impulse: 6026.350 Ns


Inertia Details

Rocket Mass: 14.426 kg (without motor)
Rocket Dry Mass: 16.241 kg (with unloaded motor)
Rocket Loaded Mass: 19.197 kg
Rocket Structural Mass Ratio: 0.846
Rocket Inertia (with unloaded motor) 11: 7.864 kg*m2
Rocket Inertia (with unloaded motor) 22: 7.864 kg*m2
Rocket Inertia (with unloaded motor) 33: 0.036 kg*m2
Rocket Inertia (with unloaded motor) 12: 0.000 kg*m2
Rocket Inertia (with unloaded motor) 13: 0.000 kg*m2
Rocket Inertia (with unloaded motor) 23: 0.000 kg*m2

Geometrical Parameters

Rocket Maximum Radius: 0.0635 m
Rocket Frontal Area: 0.012668 m2

Rocket Distances
Rocket Center of Dry Mass - Center of Mass without Motor: 0.105 m
Rocket Center of Dry Mass - Nozzle Exit: 1.150 m
Rocket Center of Dry Mass - Center of Propellant Mass: 0.753 m
Rocket Center of Mass - Rocket Loaded Center of Mass: 0.116 m


Aerodynamics Lift Coefficient Derivatives

Nose Cone Lift Coefficient Derivative: 2.000/rad
Fins Lift Coefficient Derivative: 6.280/rad
Tail Lift Coefficient Derivative: -1.061/rad

Center of Pressure

Nose Cone Center of Pressure position: 0.999 m
Fins Center of Pressure position: -1.100 m
Tail Center of Pressure position: -1.223 m

Stability

Center of Mass position (time=0): -0.221 m
Center of Pressure position (time=0): -0.500 m
Initial Static Margin (mach=0, time=0): 2.199 c
Final Static Margin (mach=0, time=burn_out): 3.112 c
Rocket Center of Mass (time=0) - Center of Pressure (mach=0): 0.279 m


Parachute Details

Parachute Main with a cd_s of 10.0000 m2
Ejection signal trigger: 800 m (AGL)
Ejection system refresh rate: 105.000 Hz
Time between ejection signal is triggered and the parachute is fully opened: 1.5 s


Parachute Details

Parachute Drogue with a cd_s of 1.0000 m2
Ejection signal trigger: At Apogee
Ejection system refresh rate: 105.000 Hz
Time between ejection signal is triggered and the parachute is fully opened: 1.5 s