🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.48 AU - 0.72 AU

Year: 300 Days

Day: 24.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 7,041,592 km

• M1: 75,547 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 13.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.85 AU - 0.97 AU

Year: 561 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 68.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 7,041,592 km

• M1: 171,738 km (0.109 R)
• M2: 773,271 km (0.112 R)
• M3: 1,362,837 km (0.117 R)
• M4: 1,856,510 km (0.044 R)
• M5: 2,613,325 km (0.082 R)
• M6: 3,099,518 km (0.115 R)
• M7: 4,257,555 km (0.118 R)
• M8: 5,001,655 km (0.117 R)
• M9: 6,127,080 km (0.05 R)
• M10: 6,590,534 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.2

Radius: 12.1

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.83 AU - 1.21 AU

Year: 665 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 7,041,592 km

• M1: 150,495 km (0.073 R)
• M2: 661,971 km (0.083 R)
• M3: 1,142,629 km (0.073 R)
• M4: 1,528,890 km (0.044 R)
• M5: 1,976,936 km (0.073 R)
• M6: 2,472,703 km (0.097 R)
• M7: 3,088,149 km (0.081 R)
• M8: 3,612,340 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.9

Radius: 10.8

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.05 AU - 1.31 AU

Year: 828 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 7,041,592 km

• M1: 134,339 km (0.077 R)
• M2: 494,870 km (0.097 R)
• M3: 914,641 km (0.076 R)
• M4: 1,495,081 km (0.084 R)
• M5: 2,396,558 km (0.1 R)
• M6: 3,299,830 km (0.103 R)
• M7: 3,701,650 km (0.083 R)
• M8: 4,087,911 km (0.063 R)
• M9: 4,518,304 km (0.105 R)
• M10: 5,052,369 km (0.117 R)
• M11: 5,850,025 km (0.061 R)
• M12: 6,398,151 km (0.036 R)
• M13: 6,774,689 km (0.108 R)
• M14: 7,451,470 km (0.11 R)
• M15: 9,132,202 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 13.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.16 AU - 1.52 AU

Year: 1002 Days

Day: 10.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 7,041,592 km

• M1: 176,376 km (0.083 R)
• M2: 756,816 km (0.118 R)
• M3: 1,371,663 km (0.026 R)
• M4: 2,015,083 km (0.091 R)
• M5: 2,620,057 km (0.063 R)
• M6: 4,113,941 km (0.057 R)
• M7: 4,837,397 km (0.083 R)
• M8: 5,823,247 km (0.081 R)
• M9: 6,306,897 km (0.091 R)
• M10: 7,041,572 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 10,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit