🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 10.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.64 AU - 0.68 AU

Year: 364 Days

Day: 12.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,420,401 km

• M1: 128,205 km (0.028 R)
• M2: 483,800 km (0.042 R)
• M3: 1,048,831 km (0.091 R)
• M4: 1,458,130 km (0.112 R)
• M5: 2,005,808 km (0.108 R)
• M6: 2,337,467 km (0.098 R)
• M7: 2,696,053 km (0.085 R)
• M8: 3,179,703 km (0.097 R)
• M9: 3,501,937 km (0.096 R)
• M10: 3,858,727 km (0.089 R)
• M11: 4,588,466 km (0.099 R)
• M12: 5,032,173 km (0.104 R)
• M13: 5,553,372 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 13.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.79 AU - 0.95 AU

Year: 550 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,420,401 km

• M1: 170,392 km (0.098 R)
• M2: 756,217 km (0.093 R)
• M3: 1,266,795 km (0.098 R)
• M4: 1,937,442 km (0.116 R)
• M5: 2,466,570 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.8

Radius: 11.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.9 AU - 1 AU

Year: 628 Days

Day: 11.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,420,401 km

• M1: 148,102 km (0.087 R)
• M2: 566,527 km (0.081 R)
• M3: 1,358,498 km (0.119 R)
• M4: 1,972,298 km (0.073 R)
• M5: 3,110,140 km (0.116 R)
• M6: 3,928,290 km (0.075 R)
• M7: 4,540,295 km (0.106 R)
• M8: 5,543,050 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 8.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.43 AU - 1.85 AU

Year: 1424 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,420,401 km

• M1: 112,198 km (0.059 R)
• M2: 500,854 km (0.059 R)
• M3: 831,465 km (0.075 R)
• M4: 1,387,520 km (0.067 R)
• M5: 1,854,565 km (0.057 R)
• M6: 3,275,296 km (0.102 R)
• M7: 4,563,932 km (0.079 R)
• M8: 5,985,261 km (0.065 R)
• M9: 6,714,102 km (0.107 R)
• M10: 7,050,996 km (0.035 R)
• M11: 8,540,991 km (0.075 R)
• M12: 9,315,609 km (0.116 R)
• M13: 9,857,602 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 8.2

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.93 AU - 4.37 AU

Year: 4730 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,420,401 km

• M1: 102,026 km (0.042 R)
• M2: 490,980 km (0.1 R)
• M3: 893,548 km (0.09 R)
• M4: 1,315,414 km (0.094 R)
• M5: 2,095,417 km (0.092 R)
• M6: 2,997,493 km (0.037 R)
• M7: 3,721,696 km (0.064 R)
• M8: 4,113,343 km (0.092 R)
• M9: 4,660,871 km (0.115 R)
• M10: 6,305,849 km (0.077 R)
• M11: 6,762,721 km (0.094 R)
• M12: 7,137,165 km (0.102 R)
• M13: 9,056,655 km (0.06 R)
• M14: 9,982,367 km (0.098 R)
• M15: 10,785,558 km (0.038 R)
• M16: 11,679,255 km (0.103 R)
• M17: 13,937,435 km (0.097 R)
• M18: 14,826,196 km (0.093 R)
• M19: 17,338,543 km (0.11 R)
• M20: 17,847,325 km (0.078 R)
• M21: 24,119,515 km (0.096 R)
• M22: 25,890,006 km (0.087 R)
• M23: 26,220,916 km (0.108 R)
• M24: 27,060,759 km (0.028 R)
• M25: 27,401,692 km (0.1 R)
• M26: 30,507,793 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.8

Radius: 4.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.2 AU - 6.8 AU

Year: 11240 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 67.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,420,401 km

• M1: 56,847 km (0.041 R)
• M2: 546,631 km (0.066 R)
• M3: 826,229 km (0.113 R)
• M4: 1,092,214 km (0.107 R)
• M5: 1,693,149 km (0.117 R)
• M6: 2,286,454 km (0.07 R)
• M7: 2,588,791 km (0.117 R)
• M8: 2,971,612 km (0.049 R)
• M9: 3,805,919 km (0.073 R)
• M10: 7,130,433 km (0.041 R)
• M11: 7,844,164 km (0.113 R)
• M12: 10,481,724 km (0.09 R)
• M13: 12,956,223 km (0.064 R)
• M14: 13,403,221 km (0.116 R)
• M15: 14,645,781 km (0.077 R)
• M16: 15,022,020 km (0.103 R)
• M17: 16,592,349 km (0.106 R)
• M18: 16,942,557 km (0.116 R)
• M19: 19,468,517 km (0.111 R)
• M20: 20,385,403 km (0.104 R)
• M21: 22,731,696 km (0.079 R)
• M22: 23,308,695 km (0.091 R)
• M23: 23,747,914 km (0.112 R)
• M24: 25,405,458 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 17,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit