🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.7

Radius: 12.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.82 AU - 1.16 AU

Year: 646 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,155,160 km

• M1: 160,369 km (0.119 R)
• M2: 581,337 km (0.112 R)
• M3: 1,047,484 km (0.118 R)
• M4: 1,657,544 km (0.09 R)
• M5: 2,256,983 km (0.086 R)
• M6: 2,930,921 km (0.081 R)
• M7: 3,965,391 km (0.046 R)
• M8: 5,280,057 km (0.086 R)
• M9: 5,694,593 km (0.072 R)
• M10: 6,727,416 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 11.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.3 AU - 1.62 AU

Year: 1157 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,155,160 km

• M1: 140,772 km (0.074 R)
• M2: 552,465 km (0.056 R)
• M3: 904,469 km (0.055 R)
• M4: 1,284,896 km (0.069 R)
• M5: 2,386,535 km (0.025 R)
• M6: 3,408,288 km (0.116 R)
• M7: 3,847,956 km (0.025 R)
• M8: 4,292,412 km (0.113 R)
• M9: 4,770,975 km (0.12 R)
• M10: 5,342,290 km (0.094 R)
• M11: 5,795,272 km (0.119 R)
• M12: 6,688,820 km (0.1 R)
• M13: 7,795,096 km (0.079 R)
• M14: 9,184,561 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 9.7

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.82 AU - 2.82 AU

Year: 2318 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,155,160 km

• M1: 121,473 km (0.071 R)
• M2: 469,737 km (0.029 R)
• M3: 833,559 km (0.111 R)
• M4: 1,236,426 km (0.117 R)
• M5: 1,634,506 km (0.056 R)
• M6: 2,898,010 km (0.071 R)
• M7: 3,523,179 km (0.099 R)
• M8: 4,636,936 km (0.073 R)
• M9: 5,041,448 km (0.118 R)
• M10: 5,446,410 km (0.092 R)
• M11: 5,824,443 km (0.082 R)
• M12: 6,295,976 km (0.104 R)
• M13: 6,712,756 km (0.089 R)
• M14: 7,572,794 km (0.031 R)
• M15: 8,442,257 km (0.065 R)
• M16: 11,374,525 km (0.11 R)
• M17: 11,993,860 km (0.111 R)
• M18: 12,594,645 km (0.081 R)
• M19: 13,597,698 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.6

Radius: 3.2

Gravity: 32.09 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.85 AU - 11.19 AU

Year: 20807 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 122.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,155,160 km

• M1: 40,391 km (0.116 R)
• M2: 638,783 km (0.067 R)
• M3: 764,146 km (0.059 R)
• M4: 1,065,137 km (0.09 R)
• M5: 1,790,836 km (0.084 R)
• M6: 3,806,368 km (0.085 R)
• M7: 4,376,486 km (0.081 R)
• M8: 6,264,261 km (0.046 R)
• M9: 7,407,488 km (0.077 R)
• M10: 9,190,096 km (0.107 R)
• M11: 11,658,461 km (0.119 R)
• M12: 12,655,531 km (0.065 R)
• M13: 13,573,464 km (0.117 R)
• M14: 14,464,768 km (0.047 R)
• M15: 15,985,879 km (0.093 R)
• M16: 21,545,983 km (0.099 R)
• M17: 27,293,832 km (0.051 R)
• M18: 33,613,744 km (0.077 R)
• M19: 34,232,331 km (0.072 R)
• M20: 44,001,521 km (0.027 R)
• M21: 44,592,881 km (0.059 R)
• M22: 48,881,852 km (0.09 R)
• M23: 54,110,747 km (0.1 R)
• M24: 56,511,044 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 12,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit