🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.45 AU - 0.63 AU

Year: 252 Days

Day: 23.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,208,752 km

• M1: 12,566 km (0.069 R)

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 12.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.65 AU - 2.07 AU

Year: 1613 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 125.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,208,752 km

• M1: 155,432 km (0.12 R)
• M2: 549,623 km (0.059 R)
• M3: 1,306,887 km (0.087 R)
• M4: 1,799,812 km (0.064 R)
• M5: 2,674,361 km (0.113 R)
• M6: 3,547,115 km (0.108 R)
• M7: 4,203,999 km (0.101 R)
• M8: 4,758,858 km (0.116 R)
• M9: 5,233,382 km (0.099 R)
• M10: 7,565,613 km (0.077 R)
• M11: 8,448,241 km (0.052 R)
• M12: 9,462,065 km (0.106 R)
• M13: 9,883,034 km (0.111 R)
• M14: 10,520,919 km (0.108 R)
• M15: 11,879,118 km (0.039 R)
• M16: 12,407,947 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 9.7

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.9 AU - 3.12 AU

Year: 3320 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,208,752 km

• M1: 121,324 km (0.069 R)
• M2: 475,721 km (0.104 R)
• M3: 826,079 km (0.088 R)
• M4: 1,184,965 km (0.072 R)
• M5: 1,837,062 km (0.087 R)
• M6: 2,202,829 km (0.093 R)
• M7: 2,648,780 km (0.119 R)
• M8: 3,487,426 km (0.081 R)
• M9: 3,823,871 km (0.068 R)
• M10: 4,448,293 km (0.114 R)
• M11: 5,189,401 km (0.052 R)
• M12: 6,674,010 km (0.098 R)
• M13: 8,249,874 km (0.082 R)
• M14: 8,670,842 km (0.103 R)
• M15: 12,481,848 km (0.092 R)
• M16: 15,112,227 km (0.118 R)
• M17: 16,391,887 km (0.091 R)
• M18: 18,504,359 km (0.107 R)
• M19: 20,219,050 km (0.114 R)
• M20: 21,704,856 km (0.103 R)
• M21: 22,917,496 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.6

Radius: 9.6

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.08 AU - 4.06 AU

Year: 4289 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,208,752 km

• M1: 119,379 km (0.101 R)
• M2: 490,083 km (0.102 R)
• M3: 1,276,668 km (0.112 R)
• M4: 1,819,708 km (0.11 R)
• M5: 2,585,350 km (0.065 R)
• M6: 2,884,097 km (0.072 R)
• M7: 3,647,346 km (0.096 R)
• M8: 4,363,171 km (0.119 R)
• M9: 5,048,928 km (0.1 R)
• M10: 5,392,704 km (0.046 R)
• M11: 5,884,432 km (0.063 R)
• M12: 7,260,433 km (0.11 R)
• M13: 8,189,436 km (0.096 R)
• M14: 9,231,685 km (0.094 R)
• M15: 11,161,946 km (0.055 R)
• M16: 11,789,958 km (0.092 R)
• M17: 12,178,015 km (0.109 R)
• M18: 12,934,232 km (0.115 R)
• M19: 15,036,980 km (0.115 R)
• M20: 15,596,326 km (0.058 R)
• M21: 17,579,994 km (0.086 R)
• M22: 18,719,630 km (0.104 R)
• M23: 20,768,972 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 16,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit