{
  "executed_at_utc": "2026-10-04T13:38:28.452589+00:00",
  "versions": {
    "python": "3.13.5",
    "rocketpy": "1.13.0",
    "numpy": "2.5.3",
    "scipy": "1.18.1",
    "matplotlib": "3.11.2"
  },
  "seed": 20261004,
  "source_commit": "9bd6ad3af8f97bafa3201d4e70eba2877e66e040",
  "environment": {
    "latitude": 35.5721,
    "longitude": 129.1822,
    "elevation_m": 53,
    "date_KST": "2026-10-04T12:00:00+09:00",
    "temperature_K": 293.15,
    "wind_u_m_s": 2.83,
    "wind_v_m_s": -2.83,
    "pressure": "ISA",
    "surface_pressure_Pa": 100702.6485084289,
    "surface_density_kg_m3": 1.1967104981074137
  },
  "motor": {
    "total_impulse_N_s": 6026.35,
    "initial_propellant_mass_kg": 2.955911961392022,
    "burnout_time_s": 3.9
  },
  "initial_mass_kg": 19.196911961392022,
  "burnout_mass_kg": 16.241000001558245,
  "events": [
    {
      "event": "ignition",
      "time_s": 0.0,
      "agl_m": 0.0,
      "x_east_m": 0.0,
      "y_north_m": 0.0,
      "speed_m_s": 0.0,
      "vz_m_s": 0.0,
      "mach": 0.011660348202745323,
      "static_margin_c": 2.1987223036032297,
      "stability_margin_c": 2.198828187476868,
      "aoa_deg": 86.4667128053692,
      "attitude_deg": 85.0,
      "path_angle_deg": 0.0
    },
    {
      "event": "rail_exit",
      "time_s": 0.3677686646496706,
      "agl_m": 3.848553770309998,
      "x_east_m": -4.235164736271502e-22,
      "y_north_m": 0.3367048258720792,
      "speed_m_s": 26.20161646310521,
      "vz_m_s": 26.101911401978803,
      "mach": 0.07793008201383456,
      "static_margin_c": 2.2716135720667747,
      "stability_margin_c": 2.2763509362333254,
      "aoa_deg": 8.58875885817457,
      "attitude_deg": 84.99999999999999,
      "path_angle_deg": 85.0
    },
    {
      "event": "burnout",
      "time_s": 3.9,
      "agl_m": 650.5554686875337,
      "x_east_m": -27.751868864867646,
      "y_north_m": 95.62144838656245,
      "speed_m_s": 277.66450074846995,
      "vz_m_s": 273.7663693521655,
      "mach": 0.8107772938056238,
      "static_margin_c": 3.1118931584395026,
      "stability_margin_c": 3.6823644639097437,
      "aoa_deg": 7.357375631531794e-16,
      "attitude_deg": 79.68425958684014,
      "path_angle_deg": 80.38797063396454
    },
    {
      "event": "apogee",
      "time_s": 25.24423505945784,
      "agl_m": 3166.1010929249987,
      "x_east_m": -246.8148634687379,
      "y_north_m": 805.0279710083818,
      "speed_m_s": 29.842546316420353,
      "vz_m_s": 3.7911062551448067e-07,
      "mach": 0.09738187064121098,
      "static_margin_c": 3.1118931584395026,
      "stability_margin_c": 3.1192907174283158,
      "aoa_deg": 2.9158095130646666,
      "attitude_deg": 2.361030171158821,
      "path_angle_deg": 7.278681443548201e-07
    },
    {
      "event": "impact",
      "time_s": 303.3428801476106,
      "agl_m": -2.4158453015843406e-13,
      "x_east_m": 497.1776991854849,
      "y_north_m": 137.49091322680724,
      "speed_m_s": 6.528330950774617,
      "vz_m_s": -5.157376497312948,
      "mach": 0.015025845674963468,
      "static_margin_c": 3.1118931584395026,
      "stability_margin_c": 3.112068987876676,
      "aoa_deg": 65.57904809392151,
      "attitude_deg": -24.441210522108186,
      "path_angle_deg": -52.18544058156014
    }
  ],
  "parachutes": [
    {
      "name": "Drogue",
      "trigger_s": 25.24761904761905,
      "inflation_s": 26.74761904761905,
      "trigger_agl_m": 3166.1010373865515,
      "inflation_agl_m": 3155.1241682579407
    },
    {
      "name": "Main",
      "trigger_s": 155.7619047619048,
      "inflation_s": 157.2619047619048,
      "trigger_agl_m": 799.6695226434016,
      "inflation_agl_m": 773.9958906846123
    }
  ],
  "rail_forces": {
    "rail_button1_normal_force": {
      "max_abs_N": 1.489279085066992,
      "time_s": 0.3677686646496706
    },
    "rail_button1_shear_force": {
      "max_abs_N": 1.4949678892286535,
      "time_s": 0.3677686646496706
    },
    "rail_button2_normal_force": {
      "max_abs_N": 2.6544751534670006,
      "time_s": 0.3677686646496706
    },
    "rail_button2_shear_force": {
      "max_abs_N": 2.664614817316098,
      "time_s": 0.3677686646496706
    }
  },
  "frequency_peaks": {
    "attitude_frequency_response": {
      "frequency_Hz": 0.2,
      "amplitude": 0.9896516321193529
    },
    "omega1_frequency_response": {
      "frequency_Hz": 0.2,
      "amplitude": 0.0464876441961488
    },
    "omega2_frequency_response": {
      "frequency_Hz": 0.6000000000000001,
      "amplitude": 0.020686719817076885
    },
    "omega3_frequency_response": {
      "frequency_Hz": 0.2,
      "amplitude": 8.322525650995454
    }
  },
  "mass_sweep": [
    {
      "mass_without_motor_kg": 5.0,
      "apogee_agl_m": 3786.9633125658793,
      "rail_exit_speed_m_s": 37.90845234260282
    },
    {
      "mass_without_motor_kg": 6.666666666666667,
      "apogee_agl_m": 3807.223988998679,
      "rail_exit_speed_m_s": 34.807846735369644
    },
    {
      "mass_without_motor_kg": 8.333333333333334,
      "apogee_agl_m": 3771.115879545153,
      "rail_exit_speed_m_s": 32.31444411524205
    },
    {
      "mass_without_motor_kg": 10.0,
      "apogee_agl_m": 3699.4161643523316,
      "rail_exit_speed_m_s": 30.269694891233577
    },
    {
      "mass_without_motor_kg": 11.666666666666668,
      "apogee_agl_m": 3586.4694377180954,
      "rail_exit_speed_m_s": 28.542942774210477
    },
    {
      "mass_without_motor_kg": 13.333333333333334,
      "apogee_agl_m": 3352.905269378945,
      "rail_exit_speed_m_s": 27.06598837033506
    },
    {
      "mass_without_motor_kg": 15.0,
      "apogee_agl_m": 3064.4336046288377,
      "rail_exit_speed_m_s": 25.777299306470006
    },
    {
      "mass_without_motor_kg": 16.666666666666668,
      "apogee_agl_m": 2769.2206715324473,
      "rail_exit_speed_m_s": 24.642491666793166
    },
    {
      "mass_without_motor_kg": 18.333333333333336,
      "apogee_agl_m": 2498.044866824984,
      "rail_exit_speed_m_s": 23.6282917044422
    },
    {
      "mass_without_motor_kg": 20.0,
      "apogee_agl_m": 2249.357796696905,
      "rail_exit_speed_m_s": 22.722963264624408
    }
  ],
  "fin_sweep": [
    {
      "factor": -0.5,
      "fin_position_m": 0.52478,
      "static_margin_ignition_c": -9.132661738401717,
      "static_margin_rail_exit_c": -9.05973952964959,
      "static_margin_end_c": -8.219490883565445,
      "end_time_s": 5.0,
      "attitude_at_1.5s_deg": 27.653203155946578,
      "attitude_end_deg": 83.91942410094292,
      "max_aoa_deg": 179.7460134749691,
      "max_transverse_rate_rad_s": 21.334456543865485,
      "warnings": "The rocket has a negative static margin (-9.13 cal) at motor ignition (t=0), indicating an aerodynamically unstable configuration. Check the placement of fins and nose cone relative to the center of mass."
    },
    {
      "factor": -0.2,
      "fin_position_m": 0.20991200000000002,
      "static_margin_ignition_c": -7.0358992373822655,
      "static_margin_rail_exit_c": -6.962977028630138,
      "static_margin_end_c": -6.122728382545993,
      "end_time_s": 5.0,
      "attitude_at_1.5s_deg": -67.9393857986919,
      "attitude_end_deg": -54.383193501317855,
      "max_aoa_deg": 179.27715692161627,
      "max_transverse_rate_rad_s": 20.547438879632285,
      "warnings": "The rocket has a negative static margin (-7.04 cal) at motor ignition (t=0), indicating an aerodynamically unstable configuration. Check the placement of fins and nose cone relative to the center of mass."
    },
    {
      "factor": 0.1,
      "fin_position_m": -0.10495600000000001,
      "static_margin_ignition_c": -4.9391367363628165,
      "static_margin_rail_exit_c": -4.866214527610688,
      "static_margin_end_c": -4.0259658815265436,
      "end_time_s": 5.0,
      "attitude_at_1.5s_deg": 18.59188792599109,
      "attitude_end_deg": 52.18951762049094,
      "max_aoa_deg": 179.67155330757956,
      "max_transverse_rate_rad_s": 18.116457529423208,
      "warnings": "The rocket has a negative static margin (-4.94 cal) at motor ignition (t=0), indicating an aerodynamically unstable configuration. Check the placement of fins and nose cone relative to the center of mass."
    },
    {
      "factor": 0.4,
      "fin_position_m": -0.41982400000000003,
      "static_margin_ignition_c": -2.8423742353433648,
      "static_margin_rail_exit_c": -2.769452026591237,
      "static_margin_end_c": -1.9292033805070918,
      "end_time_s": 5.0,
      "attitude_at_1.5s_deg": 77.60119768401525,
      "attitude_end_deg": -59.19212810661391,
      "max_aoa_deg": 179.07605238502782,
      "max_transverse_rate_rad_s": 15.091181365369248,
      "warnings": "The rocket has a negative static margin (-2.84 cal) at motor ignition (t=0), indicating an aerodynamically unstable configuration. Check the placement of fins and nose cone relative to the center of mass."
    },
    {
      "factor": 0.7,
      "fin_position_m": -0.734692,
      "static_margin_ignition_c": -0.7456117343239144,
      "static_margin_rail_exit_c": -0.6726895255717863,
      "static_margin_end_c": 0.1675591205123586,
      "end_time_s": 5.0,
      "attitude_at_1.5s_deg": 85.71977295669669,
      "attitude_end_deg": 85.64597760874527,
      "max_aoa_deg": 10.805522816442409,
      "max_transverse_rate_rad_s": 0.10574249441011536,
      "warnings": "The rocket has a negative static margin (-0.75 cal) at motor ignition (t=0), indicating an aerodynamically unstable configuration. Check the placement of fins and nose cone relative to the center of mass."
    }
  ],
  "quaternion_norm_squared_max_error": 0.00046767190614072085,
  "callable_trigger_events_match": true,
  "solver_sensitivity": {
    "max_step_baseline_s": 0.05,
    "max_step_refined_s": 0.025,
    "apogee_difference_m": -0.06181197557043561,
    "rail_exit_speed_difference_m_s": 0.0010381591442367721
  },
  "solver_rows": 6526,
  "time_domain_quantities": 53,
  "print_methods_executed": [
    "initial_conditions",
    "surface_wind_conditions",
    "launch_rail_conditions",
    "out_of_rail_conditions",
    "burn_out_conditions",
    "apogee_conditions",
    "events_registered",
    "impact_conditions",
    "maximum_values"
  ],
  "baseline_mass_preserved": true
}