🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.79 AU - 2.63 AU

Year: 1218 Days

Day: 41.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 8.3

Gravity: 14.49 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.87 AU - 7.45 AU

Year: 6374 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,226,226 km

• M1: 103,522 km (0.087 R)
• M2: 761,004 km (0.105 R)
• M3: 1,052,271 km (0.09 R)
• M4: 1,559,109 km (0.11 R)
• M5: 2,071,482 km (0.055 R)
• M6: 2,484,521 km (0.115 R)
• M7: 2,789,851 km (0.086 R)
• M8: 3,056,284 km (0.097 R)
• M9: 3,569,704 km (0.1 R)
• M10: 4,351,503 km (0.07 R)
• M11: 8,264,385 km (0.104 R)
• M12: 8,559,392 km (0.102 R)
• M13: 12,504,437 km (0.1 R)
• M14: 13,348,319 km (0.093 R)
• M15: 14,776,978 km (0.095 R)
• M16: 15,401,250 km (0.095 R)
• M17: 15,978,100 km (0.114 R)
• M18: 17,243,099 km (0.111 R)
• M19: 19,596,723 km (0.069 R)
• M20: 23,057,221 km (0.119 R)
• M21: 24,496,651 km (0.091 R)
• M22: 25,637,185 km (0.107 R)
• M23: 27,181,484 km (0.047 R)
• M24: 27,647,332 km (0.07 R)
• M25: 28,213,261 km (0.047 R)
• M26: 29,760,252 km (0.091 R)
• M27: 30,856,206 km (0.05 R)
• M28: 31,772,493 km (0.114 R)
• M29: 35,398,746 km (0.11 R)
• M30: 38,467,896 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40

Radius: 13.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.83 AU - 9.55 AU

Year: 7908 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,226,226 km

• M1: 173,234 km (0.032 R)
• M2: 904,469 km (0.044 R)
• M3: 2,269,699 km (0.095 R)
• M4: 3,287,862 km (0.102 R)
• M5: 5,183,117 km (0.104 R)
• M6: 6,190,659 km (0.102 R)
• M7: 9,934,944 km (0.076 R)
• M8: 12,784,484 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.9

Radius: 7.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.24 AU - 13.38 AU

Year: 16017 Days

Day: 19.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,226,226 km

• M1: 89,609 km (0.116 R)
• M2: 408,103 km (0.108 R)
• M3: 633,996 km (0.118 R)
• M4: 917,633 km (0.07 R)
• M5: 1,598,304 km (0.105 R)
• M6: 1,977,833 km (0.051 R)
• M7: 2,455,499 km (0.118 R)
• M8: 2,851,485 km (0.029 R)
• M9: 3,511,810 km (0.095 R)
• M10: 5,331,219 km (0.099 R)
• M11: 6,520,074 km (0.104 R)
• M12: 7,531,505 km (0.066 R)
• M13: 8,551,014 km (0.108 R)
• M14: 9,912,953 km (0.113 R)
• M15: 15,195,703 km (0.053 R)
• M16: 15,469,617 km (0.091 R)
• M17: 16,597,884 km (0.116 R)
• M18: 18,237,626 km (0.113 R)
• M19: 25,590,212 km (0.05 R)
• M20: 46,328,965 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 11,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit