🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 9.4

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.8 AU - 0.94 AU

Year: 541 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,416,656 km

• M1: 116,836 km (0.107 R)
• M2: 717,771 km (0.11 R)
• M3: 1,025,793 km (0.112 R)
• M4: 1,536,221 km (0.088 R)
• M5: 2,081,654 km (0.079 R)
• M6: 2,996,894 km (0.11 R)
• M7: 3,662,904 km (0.112 R)
• M8: 4,003,239 km (0.084 R)
• M9: 4,732,080 km (0.117 R)
• M10: 6,052,580 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 13.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.99 AU - 2.55 AU

Year: 2281 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,416,656 km

• M1: 169,494 km (0.074 R)
• M2: 871,108 km (0.041 R)
• M3: 1,699,282 km (0.051 R)
• M4: 2,174,555 km (0.064 R)
• M5: 2,911,175 km (0.075 R)
• M6: 4,208,637 km (0.112 R)
• M7: 5,117,294 km (0.093 R)
• M8: 6,179,738 km (0.115 R)
• M9: 8,536,802 km (0.111 R)
• M10: 10,331,977 km (0.029 R)
• M11: 10,956,398 km (0.043 R)
• M12: 11,730,567 km (0.096 R)
• M13: 12,281,088 km (0.052 R)
• M14: 14,036,619 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 12.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.9 AU - 5.42 AU

Year: 6708 Days

Day: 9.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,416,656 km

• M1: 154,983 km (0.1 R)
• M2: 667,805 km (0.107 R)
• M3: 1,172,997 km (0.093 R)
• M4: 1,998,029 km (0.111 R)
• M5: 2,408,975 km (0.102 R)
• M6: 2,876,917 km (0.119 R)
• M7: 3,272,154 km (0.071 R)
• M8: 4,354,495 km (0.094 R)
• M9: 5,208,399 km (0.06 R)
• M10: 5,717,032 km (0.034 R)
• M11: 6,587,841 km (0.052 R)
• M12: 7,248,466 km (0.078 R)
• M13: 7,987,629 km (0.111 R)
• M14: 9,113,801 km (0.074 R)
• M15: 10,719,735 km (0.116 R)
• M16: 12,648,650 km (0.077 R)
• M17: 13,128,560 km (0.115 R)
• M18: 13,670,403 km (0.075 R)
• M19: 15,440,295 km (0.076 R)
• M20: 15,878,168 km (0.077 R)
• M21: 21,459,216 km (0.083 R)
• M22: 22,629,819 km (0.117 R)
• M23: 23,481,480 km (0.035 R)
• M24: 24,280,782 km (0.086 R)
• M25: 24,724,339 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.8

Radius: 4.2

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.49 AU - 6.51 AU

Year: 11051 Days

Day: 22.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,416,656 km

• M1: 52,359 km (0.093 R)
• M2: 242,349 km (0.107 R)
• M3: 820,844 km (0.086 R)
• M4: 1,520,812 km (0.027 R)
• M5: 1,944,922 km (0.106 R)
• M6: 2,201,183 km (0.092 R)
• M7: 2,820,518 km (0.103 R)
• M8: 3,389,439 km (0.113 R)
• M9: 3,981,248 km (0.072 R)
• M10: 4,750,929 km (0.059 R)
• M11: 5,428,159 km (0.114 R)
• M12: 8,743,547 km (0.083 R)
• M13: 11,139,805 km (0.057 R)
• M14: 12,380,271 km (0.118 R)
• M15: 13,481,910 km (0.096 R)
• M16: 21,805,086 km (0.063 R)
• M17: 22,277,517 km (0.109 R)
• M18: 28,301,972 km (0.057 R)
• M19: 31,684,530 km (0.106 R)
• M20: 35,327,088 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 16,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit