🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.59 AU - 0.75 AU

Year: 360 Days

Day: 37.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 8.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.8 AU - 1.33 AU

Year: 716 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 168.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 13,022,971 km

• M1: 110,852 km (0.073 R)
• M2: 394,490 km (0.071 R)
• M3: 817,702 km (0.12 R)
• M4: 1,098,198 km (0.077 R)
• M5: 1,457,682 km (0.079 R)
• M6: 1,823,299 km (0.108 R)
• M7: 2,177,247 km (0.102 R)
• M8: 2,627,537 km (0.088 R)
• M9: 3,267,965 km (0.111 R)
• M10: 3,561,776 km (0.027 R)
• M11: 5,340,345 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.2

Radius: 12.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.46 AU - 1.8 AU

Year: 1365 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,022,971 km

• M1: 164,558 km (0.063 R)
• M2: 608,564 km (0.09 R)
• M3: 1,031,029 km (0.107 R)
• M4: 1,536,969 km (0.051 R)
• M5: 1,961,677 km (0.088 R)
• M6: 2,421,391 km (0.104 R)
• M7: 3,577,334 km (0.105 R)
• M8: 3,999,050 km (0.08 R)
• M9: 4,403,862 km (0.068 R)
• M10: 5,626,526 km (0.052 R)
• M11: 6,178,990 km (0.064 R)
• M12: 6,678,049 km (0.082 R)
• M13: 7,227,372 km (0.07 R)
• M14: 7,658,962 km (0.102 R)
• M15: 8,627,160 km (0.107 R)
• M16: 9,419,729 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 9.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.55 AU - 2.49 AU

Year: 1883 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 13,022,971 km

• M1: 120,725 km (0.052 R)
• M2: 451,935 km (0.117 R)
• M3: 862,731 km (0.116 R)
• M4: 1,392,906 km (0.113 R)
• M5: 1,812,079 km (0.108 R)
• M6: 2,278,974 km (0.063 R)
• M7: 2,677,353 km (0.044 R)
• M8: 3,006,169 km (0.055 R)
• M9: 3,377,621 km (0.045 R)
• M10: 3,863,814 km (0.096 R)
• M11: 4,976,672 km (0.079 R)
• M12: 6,056,919 km (0.103 R)
• M13: 7,182,643 km (0.092 R)
• M14: 7,605,257 km (0.07 R)
• M15: 10,037,120 km (0.12 R)
• M16: 10,565,798 km (0.046 R)
• M17: 11,358,368 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 20,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit