🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.1

Radius: 13.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.71 AU - 0.87 AU

Year: 485 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,742,781 km

• M1: 162,912 km (0.072 R)
• M2: 652,097 km (0.08 R)
• M3: 1,105,079 km (0.034 R)
• M4: 1,559,558 km (0.103 R)
• M5: 2,355,867 km (0.11 R)
• M6: 2,769,057 km (0.088 R)
• M7: 3,457,207 km (0.068 R)
• M8: 3,928,290 km (0.079 R)
• M9: 4,559,294 km (0.037 R)
• M10: 5,016,914 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 13.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.22 AU - 1.9 AU

Year: 1345 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,742,781 km

• M1: 169,345 km (0.111 R)
• M2: 700,567 km (0.071 R)
• M3: 1,330,374 km (0.093 R)
• M4: 2,338,664 km (0.05 R)
• M5: 3,508,220 km (0.115 R)
• M6: 3,963,596 km (0.098 R)
• M7: 4,439,766 km (0.078 R)
• M8: 5,892,511 km (0.115 R)
• M9: 6,741,329 km (0.036 R)
• M10: 7,261,929 km (0.086 R)
• M11: 8,325,570 km (0.101 R)
• M12: 10,348,582 km (0.102 R)
• M13: 12,295,299 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 13.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.24 AU - 3.5 AU

Year: 3356 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 119.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,742,781 km

• M1: 179,069 km (0.089 R)
• M2: 614,997 km (0.091 R)
• M3: 1,418,637 km (0.045 R)
• M4: 1,924,577 km (0.044 R)
• M5: 2,393,267 km (0.074 R)
• M6: 3,493,110 km (0.085 R)
• M7: 3,934,125 km (0.081 R)
• M8: 4,588,017 km (0.052 R)
• M9: 5,487,848 km (0.107 R)
• M10: 6,223,720 km (0.038 R)
• M11: 9,881,987 km (0.114 R)
• M12: 12,624,415 km (0.058 R)
• M13: 13,673,096 km (0.104 R)
• M14: 15,227,567 km (0.112 R)
• M15: 15,736,798 km (0.109 R)
• M16: 17,278,105 km (0.087 R)
• M17: 18,341,148 km (0.056 R)
• M18: 20,229,372 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.6

Radius: 7

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.91 AU - 7.39 AU

Year: 13197 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,742,781 km

• M1: 87,066 km (0.106 R)
• M2: 305,628 km (0.057 R)
• M3: 702,512 km (0.111 R)
• M4: 1,066,184 km (0.109 R)
• M5: 4,175,426 km (0.052 R)
• M6: 4,491,377 km (0.104 R)
• M7: 5,846,434 km (0.054 R)
• M8: 6,617,462 km (0.112 R)
• M9: 7,167,982 km (0.062 R)
• M10: 7,663,749 km (0.061 R)
• M11: 9,337,002 km (0.061 R)
• M12: 10,544,256 km (0.107 R)
• M13: 11,627,046 km (0.115 R)
• M14: 12,486,485 km (0.119 R)
• M15: 14,720,879 km (0.109 R)
• M16: 15,932,323 km (0.118 R)
• M17: 16,420,909 km (0.044 R)
• M18: 16,919,370 km (0.1 R)
• M19: 18,096,854 km (0.114 R)
• M20: 19,092,877 km (0.078 R)
• M21: 19,723,731 km (0.119 R)
• M22: 20,531,709 km (0.107 R)
• M23: 21,193,830 km (0.093 R)
• M24: 23,444,230 km (0.076 R)
• M25: 31,796,728 km (0.032 R)
• M26: 32,237,593 km (0.043 R)
• M27: 43,404,177 km (0.097 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: 421 - 14,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit