🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 10.7

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.58 AU - 0.58 AU

Year: 300 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,350,434 km

• M1: 133,740 km (0.078 R)
• M2: 511,026 km (0.052 R)
• M3: 905,815 km (0.116 R)
• M4: 1,388,268 km (0.043 R)
• M5: 1,822,850 km (0.03 R)
• M6: 2,416,903 km (0.094 R)
• M7: 2,832,636 km (0.077 R)
• M8: 3,350,394 km (0.036 R)
• M9: 3,881,915 km (0.097 R)
• M10: 4,271,019 km (0.117 R)
• M11: 4,840,239 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 11

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,350,434 km

• M1: 137,181 km (0.103 R)
• M2: 481,256 km (0.102 R)
• M3: 848,220 km (0.058 R)
• M4: 1,464,114 km (0.061 R)
• M5: 1,830,928 km (0.103 R)
• M6: 2,250,550 km (0.103 R)
• M7: 3,394,226 km (0.066 R)
• M8: 4,339,834 km (0.063 R)
• M9: 4,736,717 km (0.107 R)
• M10: 5,174,142 km (0.114 R)
• M11: 6,166,424 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 14.4

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.83 AU - 0.87 AU

Year: 532 Days

Day: 13.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,350,434 km

• M1: 179,817 km (0.101 R)
• M2: 664,963 km (0.043 R)
• M3: 1,168,659 km (0.118 R)
• M4: 1,652,458 km (0.069 R)
• M5: 2,341,057 km (0.082 R)
• M6: 2,832,636 km (0.088 R)
• M7: 3,507,472 km (0.092 R)
• M8: 4,221,951 km (0.051 R)
• M9: 4,813,162 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.5

Radius: 10.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.45 AU - 1.75 AU

Year: 1373 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,350,434 km

• M1: 129,402 km (0.096 R)
• M2: 498,161 km (0.1 R)
• M3: 977,772 km (0.051 R)
• M4: 1,588,430 km (0.109 R)
• M5: 2,392,818 km (0.101 R)
• M6: 3,375,526 km (0.059 R)
• M7: 3,783,480 km (0.117 R)
• M8: 4,378,430 km (0.107 R)
• M9: 4,809,123 km (0.068 R)
• M10: 5,150,505 km (0.11 R)
• M11: 5,839,702 km (0.114 R)
• M12: 6,520,822 km (0.12 R)
• M13: 6,916,358 km (0.052 R)
• M14: 7,476,902 km (0.09 R)
• M15: 7,910,436 km (0.091 R)
• M16: 9,025,688 km (0.111 R)
• M17: 9,606,278 km (0.09 R)
• M18: 10,058,063 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 8.3

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.55 AU - 2.81 AU

Year: 2976 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 65.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,350,434 km

• M1: 103,223 km (0.099 R)
• M2: 468,840 km (0.106 R)
• M3: 755,020 km (0.106 R)
• M4: 1,467,705 km (0.08 R)
• M5: 1,767,948 km (0.115 R)
• M6: 2,163,335 km (0.119 R)
• M7: 2,524,464 km (0.07 R)
• M8: 3,387,045 km (0.101 R)
• M9: 3,814,895 km (0.108 R)
• M10: 4,256,508 km (0.088 R)
• M11: 4,994,624 km (0.025 R)
• M12: 5,497,722 km (0.075 R)
• M13: 6,315,125 km (0.079 R)
• M14: 9,070,268 km (0.093 R)
• M15: 9,439,775 km (0.096 R)
• M16: 9,819,305 km (0.119 R)
• M17: 10,169,514 km (0.094 R)
• M18: 11,186,181 km (0.116 R)
• M19: 12,003,135 km (0.111 R)
• M20: 12,767,281 km (0.057 R)
• M21: 13,852,164 km (0.05 R)
• M22: 18,632,864 km (0.105 R)
• M23: 21,553,612 km (0.098 R)
• M24: 21,815,409 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.8

Radius: 12.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.47 AU - 2.93 AU

Year: 3009 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,350,434 km

• M1: 151,991 km (0.096 R)
• M2: 565,031 km (0.117 R)
• M3: 1,347,428 km (0.109 R)
• M4: 2,015,233 km (0.111 R)
• M5: 2,426,477 km (0.117 R)
• M6: 4,094,643 km (0.09 R)
• M7: 5,781,958 km (0.092 R)
• M8: 7,059,673 km (0.119 R)
• M9: 7,514,750 km (0.111 R)
• M10: 8,054,050 km (0.073 R)
• M11: 8,450,185 km (0.075 R)
• M12: 8,859,336 km (0.101 R)
• M13: 9,717,578 km (0.088 R)
• M14: 10,435,648 km (0.09 R)
• M15: 11,392,925 km (0.073 R)
• M16: 12,582,827 km (0.118 R)
• M17: 13,344,579 km (0.082 R)
• M18: 13,900,634 km (0.104 R)
• M19: 15,611,286 km (0.116 R)
• M20: 16,491,071 km (0.084 R)
• M21: 18,519,917 km (0.107 R)
• M22: 19,921,649 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 10

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.32 AU - 3.74 AU

Year: 3577 Days

Day: 13.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,350,434 km

• M1: 124,316 km (0.039 R)
• M2: 560,842 km (0.051 R)
• M3: 978,968 km (0.084 R)
• M4: 1,302,100 km (0.111 R)
• M5: 1,759,121 km (0.111 R)
• M6: 2,188,318 km (0.071 R)
• M7: 2,636,962 km (0.1 R)
• M8: 3,637,023 km (0.089 R)
• M9: 4,223,746 km (0.079 R)
• M10: 5,155,292 km (0.116 R)
• M11: 5,558,608 km (0.113 R)
• M12: 6,099,704 km (0.088 R)
• M13: 6,833,182 km (0.083 R)
• M14: 8,548,920 km (0.077 R)
• M15: 8,885,814 km (0.031 R)
• M16: 10,662,887 km (0.037 R)
• M17: 11,097,768 km (0.109 R)
• M18: 11,910,234 km (0.071 R)
• M19: 15,014,390 km (0.055 R)
• M20: 19,572,787 km (0.066 R)
• M21: 21,367,961 km (0.089 R)
• M22: 23,342,803 km (0.087 R)
• M23: 26,213,736 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.2

Radius: 3.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.03 AU - 6.51 AU

Year: 10649 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,350,434 km

• M1: 50,564 km (0.113 R)
• M2: 217,814 km (0.031 R)
• M3: 428,149 km (0.096 R)
• M4: 1,029,233 km (0.038 R)
• M5: 1,220,569 km (0.039 R)
• M6: 1,350,719 km (0.113 R)
• M7: 2,062,655 km (0.079 R)
• M8: 4,692,736 km (0.067 R)
• M9: 5,193,440 km (0.084 R)
• M10: 10,137,649 km (0.093 R)
• M11: 12,259,246 km (0.107 R)
• M12: 18,422,230 km (0.091 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 19,218 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit