🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.57 AU - 1.97 AU

Year: 831 Days

Day: 17.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.97 AU - 3.39 AU

Year: 2002 Days

Day: 17.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.55 AU - 4.89 AU

Year: 3621 Days

Day: 42.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 11.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.29 AU - 7.77 AU

Year: 5892 Days

Day: 11.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,338,994 km

• M1: 141,968 km (0.083 R)
• M2: 601,533 km (0.117 R)
• M3: 1,145,920 km (0.08 R)
• M4: 1,538,614 km (0.079 R)
• M5: 2,194,302 km (0.088 R)
• M6: 3,151,878 km (0.048 R)
• M7: 3,702,547 km (0.047 R)
• M8: 4,088,061 km (0.11 R)
• M9: 6,643,043 km (0.119 R)
• M10: 7,781,483 km (0.082 R)
• M11: 8,707,045 km (0.115 R)
• M12: 10,347,834 km (0.078 R)
• M13: 11,365,997 km (0.076 R)
• M14: 13,601,289 km (0.069 R)
• M15: 15,306,405 km (0.09 R)
• M16: 19,136,709 km (0.082 R)
• M17: 19,566,205 km (0.066 R)
• M18: 24,056,534 km (0.108 R)
• M19: 25,320,936 km (0.056 R)
• M20: 31,019,717 km (0.077 R)
• M21: 32,012,448 km (0.047 R)
• M22: 36,743,780 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 12.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.52 AU - 10.74 AU

Year: 11384 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,338,994 km

• M1: 160,070 km (0.066 R)
• M2: 555,906 km (0.078 R)
• M3: 2,080,757 km (0.062 R)
• M4: 3,264,974 km (0.074 R)
• M5: 3,890,891 km (0.107 R)
• M6: 4,746,591 km (0.105 R)
• M7: 5,313,118 km (0.033 R)
• M8: 10,329,284 km (0.108 R)
• M9: 12,379,224 km (0.056 R)
• M10: 16,495,858 km (0.118 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit