🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.62 AU - 0.8 AU

Year: 252 Days

Day: 31.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.03 AU - 1.49 AU

Year: 597 Days

Day: 39.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.15 AU - 1.59 AU

Year: 676 Days

Day: 40.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,755,530 km

• M1: 183,706 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 12.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.34 AU - 4.1 AU

Year: 3026 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,755,530 km

• M1: 153,039 km (0.078 R)
• M2: 574,007 km (0.106 R)
• M3: 980,764 km (0.035 R)
• M4: 2,341,655 km (0.119 R)
• M5: 3,409,635 km (0.077 R)
• M6: 4,895,291 km (0.072 R)
• M7: 5,484,408 km (0.106 R)
• M8: 6,120,348 km (0.094 R)
• M9: 6,571,236 km (0.102 R)
• M10: 6,953,907 km (0.079 R)
• M11: 7,571,747 km (0.056 R)
• M12: 10,260,020 km (0.111 R)
• M13: 11,775,746 km (0.12 R)
• M14: 12,475,565 km (0.086 R)
• M15: 12,881,274 km (0.103 R)
• M16: 13,389,159 km (0.045 R)
• M17: 16,613,741 km (0.111 R)
• M18: 20,323,619 km (0.105 R)
• M19: 21,523,543 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 13.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.58 AU - 10.28 AU

Year: 10323 Days

Day: 6.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,755,530 km

• M1: 180,714 km (0.046 R)
• M2: 801,994 km (0.116 R)
• M3: 1,404,126 km (0.084 R)
• M4: 4,277,003 km (0.102 R)
• M5: 5,489,643 km (0.098 R)
• M6: 6,801,916 km (0.091 R)
• M7: 8,047,468 km (0.103 R)
• M8: 8,540,692 km (0.078 R)
• M9: 9,538,360 km (0.094 R)
• M10: 12,052,053 km (0.094 R)
• M11: 12,520,295 km (0.113 R)
• M12: 13,493,279 km (0.093 R)
• M13: 14,255,630 km (0.084 R)
• M14: 20,919,018 km (0.105 R)
• M15: 23,084,747 km (0.071 R)
• M16: 25,973,033 km (0.055 R)
• M17: 30,152,348 km (0.063 R)
• M18: 35,471,899 km (0.077 R)
• M19: 36,557,381 km (0.097 R)
• M20: 43,953,051 km (0.116 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: 440 - 16,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit