🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.2

Radius: 9.2

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.44 AU - 0.64 AU

Year: 269 Days

Day: 14.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,099,436 km

• M1: 114,442 km (0.096 R)
• M2: 474,076 km (0.09 R)
• M3: 762,800 km (0.119 R)
• M4: 1,098,198 km (0.112 R)
• M5: 1,707,510 km (0.069 R)
• M6: 2,104,094 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 8.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.74 AU - 0.74 AU

Year: 432 Days

Day: 10.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 19,099,436 km

• M1: 109,506 km (0.058 R)
• M2: 541,993 km (0.096 R)
• M3: 1,601,744 km (0.104 R)
• M4: 2,151,965 km (0.101 R)
• M5: 3,021,428 km (0.119 R)
• M6: 3,424,295 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 9.2

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.75 AU - 1.23 AU

Year: 668 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,099,436 km

• M1: 114,442 km (0.081 R)
• M2: 421,716 km (0.06 R)
• M3: 725,400 km (0.032 R)
• M4: 1,019,210 km (0.057 R)
• M5: 1,365,679 km (0.081 R)
• M6: 1,739,674 km (0.12 R)
• M7: 2,743,775 km (0.048 R)
• M8: 3,318,829 km (0.112 R)
• M9: 3,808,463 km (0.1 R)
• M10: 4,708,593 km (0.095 R)
• M11: 7,125,047 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.6

Radius: 9.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.77 AU - 1.25 AU

Year: 688 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,099,436 km

• M1: 115,639 km (0.099 R)
• M2: 440,267 km (0.083 R)
• M3: 789,278 km (0.061 R)
• M4: 1,156,092 km (0.07 R)
• M5: 1,771,987 km (0.073 R)
• M6: 2,094,221 km (0.094 R)
• M7: 2,424,981 km (0.05 R)
• M8: 2,998,989 km (0.099 R)
• M9: 3,369,842 km (0.064 R)
• M10: 3,743,388 km (0.044 R)
• M11: 5,084,383 km (0.082 R)
• M12: 5,379,988 km (0.042 R)
• M13: 6,005,906 km (0.102 R)
• M14: 6,679,695 km (0.117 R)
• M15: 7,077,625 km (0.09 R)
• M16: 7,424,842 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 12.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.62 AU - 1.7 AU

Year: 1451 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,099,436 km

• M1: 157,975 km (0.073 R)
• M2: 642,822 km (0.084 R)
• M3: 1,163,871 km (0.055 R)
• M4: 1,607,878 km (0.089 R)
• M5: 2,034,980 km (0.061 R)
• M6: 2,561,864 km (0.092 R)
• M7: 3,098,471 km (0.113 R)
• M8: 3,755,056 km (0.088 R)
• M9: 4,332,205 km (0.109 R)
• M10: 4,967,846 km (0.102 R)
• M11: 5,366,973 km (0.115 R)
• M12: 6,251,695 km (0.109 R)
• M13: 8,416,376 km (0.104 R)
• M14: 10,142,436 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.7

Radius: 9.8

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.21 AU - 3.35 AU

Year: 3144 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 136.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,099,436 km

• M1: 122,072 km (0.118 R)
• M2: 577,298 km (0.116 R)
• M3: 888,611 km (0.079 R)
• M4: 1,415,944 km (0.058 R)
• M5: 1,782,010 km (0.108 R)
• M6: 2,282,415 km (0.099 R)
• M7: 3,171,026 km (0.061 R)
• M8: 3,724,837 km (0.094 R)
• M9: 4,432,136 km (0.111 R)
• M10: 8,078,435 km (0.038 R)
• M11: 8,927,702 km (0.036 R)
• M12: 10,111,470 km (0.069 R)
• M13: 10,473,945 km (0.113 R)
• M14: 11,012,797 km (0.083 R)
• M15: 11,483,133 km (0.117 R)
• M16: 13,694,339 km (0.084 R)
• M17: 15,903,750 km (0.107 R)
• M18: 17,292,317 km (0.104 R)
• M19: 17,811,422 km (0.074 R)
• M20: 20,564,471 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 13.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.32 AU - 4.54 AU

Year: 5284 Days

Day: 9.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,099,436 km

• M1: 165,455 km (0.102 R)
• M2: 590,014 km (0.096 R)
• M3: 1,041,500 km (0.114 R)
• M4: 1,789,340 km (0.109 R)
• M5: 2,220,332 km (0.048 R)
• M6: 2,781,922 km (0.081 R)
• M7: 3,213,512 km (0.08 R)
• M8: 3,995,011 km (0.075 R)
• M9: 5,269,735 km (0.05 R)
• M10: 8,608,909 km (0.112 R)
• M11: 9,289,579 km (0.108 R)
• M12: 11,070,093 km (0.096 R)
• M13: 11,958,255 km (0.082 R)
• M14: 17,286,184 km (0.109 R)
• M15: 18,315,267 km (0.053 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 19,439 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit