🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.78 AU - 0.96 AU

Year: 304 Days

Day: 32.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.15 AU - 2.43 AU

Year: 1299 Days

Day: 26.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.41 AU - 3.03 AU

Year: 1681 Days

Day: 39.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,464,196 km

• M1: 47,871 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 14.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.4 AU - 5.04 AU

Year: 3843 Days

Day: 9.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,464,196 km

• M1: 191,934 km (0.068 R)
• M2: 651,499 km (0.105 R)
• M3: 1,519,316 km (0.106 R)
• M4: 3,636,724 km (0.039 R)
• M5: 4,176,174 km (0.061 R)
• M6: 7,247,867 km (0.032 R)
• M7: 10,790,494 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 12.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.55 AU - 9.89 AU

Year: 11356 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,464,196 km

• M1: 160,519 km (0.032 R)
• M2: 632,201 km (0.117 R)
• M3: 1,175,241 km (0.107 R)
• M4: 1,585,139 km (0.083 R)
• M5: 2,109,180 km (0.059 R)
• M6: 3,489,969 km (0.083 R)
• M7: 4,012,065 km (0.056 R)
• M8: 4,529,225 km (0.104 R)
• M9: 5,121,633 km (0.118 R)
• M10: 6,534,734 km (0.048 R)
• M11: 6,982,780 km (0.101 R)
• M12: 7,693,519 km (0.097 R)
• M13: 9,030,176 km (0.062 R)
• M14: 11,291,348 km (0.111 R)
• M15: 12,839,836 km (0.11 R)
• M16: 14,714,596 km (0.097 R)
• M17: 18,040,755 km (0.114 R)
• M18: 20,943,253 km (0.067 R)
• M19: 26,046,036 km (0.041 R)
• M20: 27,754,444 km (0.108 R)
• M21: 29,840,437 km (0.096 R)
• M22: 30,352,211 km (0.106 R)
• M23: 34,099,787 km (0.107 R)
• M24: 35,452,751 km (0.114 R)
• M25: 36,026,907 km (0.078 R)
• M26: 37,076,037 km (0.113 R)
• M27: 41,350,198 km (0.063 R)
• M28: 42,114,643 km (0.092 R)
• M29: 43,148,364 km (0.108 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: 197 - 12,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit