🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 8.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.29 AU - 1.55 AU

Year: 1168 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,460,629 km

• M1: 109,506 km (0.097 R)
• M2: 537,206 km (0.107 R)
• M3: 845,228 km (0.113 R)
• M4: 1,216,530 km (0.08 R)
• M5: 1,490,144 km (0.092 R)
• M6: 1,835,715 km (0.104 R)
• M7: 2,487,813 km (0.091 R)
• M8: 3,252,407 km (0.082 R)
• M9: 3,751,615 km (0.063 R)
• M10: 4,740,158 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 13.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.52 AU - 3.94 AU

Year: 4007 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,460,629 km

• M1: 193,580 km (0.083 R)
• M2: 885,171 km (0.075 R)
• M3: 1,424,770 km (0.108 R)
• M4: 3,486,528 km (0.083 R)
• M5: 5,661,681 km (0.084 R)
• M6: 6,117,057 km (0.068 R)
• M7: 7,232,010 km (0.073 R)
• M8: 8,441,808 km (0.113 R)
• M9: 11,983,537 km (0.083 R)
• M10: 13,673,844 km (0.082 R)
• M11: 15,028,901 km (0.099 R)
• M12: 17,702,664 km (0.075 R)
• M13: 18,187,511 km (0.101 R)
• M14: 22,816,518 km (0.104 R)
• M15: 25,096,988 km (0.074 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.7

Radius: 6.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.73 AU - 10.71 AU

Year: 22552 Days

Day: 19.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,460,629 km

• M1: 85,869 km (0.107 R)
• M2: 345,122 km (0.112 R)
• M3: 617,241 km (0.097 R)
• M4: 866,172 km (0.087 R)
• M5: 1,347,278 km (0.045 R)
• M6: 5,060,597 km (0.11 R)
• M7: 5,733,338 km (0.079 R)
• M8: 6,131,867 km (0.085 R)
• M9: 6,421,788 km (0.046 R)
• M10: 7,073,885 km (0.047 R)
• M11: 8,307,469 km (0.1 R)
• M12: 9,349,269 km (0.11 R)
• M13: 9,733,735 km (0.027 R)
• M14: 12,330,904 km (0.119 R)
• M15: 21,283,887 km (0.112 R)
• M16: 27,000,770 km (0.085 R)
• M17: 29,267,926 km (0.114 R)
• M18: 30,209,196 km (0.086 R)
• M19: 34,047,877 km (0.095 R)
• M20: 38,618,391 km (0.09 R)
• M21: 41,342,568 km (0.064 R)
• M22: 54,397,825 km (0.082 R)
• M23: 55,998,672 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.8

Radius: 5.8

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.59 AU - 12.09 AU

Year: 22950 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,460,629 km

• M1: 76,893 km (0.085 R)
• M2: 441,763 km (0.118 R)
• M3: 667,655 km (0.107 R)
• M4: 1,924,277 km (0.1 R)
• M5: 3,468,726 km (0.087 R)
• M6: 4,129,051 km (0.057 R)
• M7: 6,737,738 km (0.052 R)
• M8: 8,530,220 km (0.06 R)
• M9: 11,873,134 km (0.113 R)
• M10: 14,178,886 km (0.083 R)
• M11: 15,473,656 km (0.081 R)
• M12: 26,921,334 km (0.074 R)
• M13: 28,450,972 km (0.031 R)
• M14: 30,618,495 km (0.102 R)
• M15: 44,608,589 km (0.058 R)
• M16: 53,227,371 km (0.1 R)
• M17: 54,248,377 km (0.095 R)
• M18: 57,212,359 km (0.052 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit