🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 13.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.42 AU - 0.68 AU

Year: 282 Days

Day: 6.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 12,511,195 km

• M1: 172,935 km (0.085 R)
• M2: 624,422 km (0.067 R)
• M3: 1,368,671 km (0.116 R)
• M4: 1,965,866 km (0.115 R)
• M5: 2,527,007 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 13.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.65 AU - 0.85 AU

Year: 448 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 12,511,195 km

• M1: 165,605 km (0.1 R)
• M2: 662,270 km (0.09 R)
• M3: 1,363,585 km (0.102 R)
• M4: 2,472,254 km (0.057 R)
• M5: 5,605,731 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 14.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 12.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,511,195 km

• M1: 182,809 km (0.113 R)
• M2: 692,339 km (0.077 R)
• M3: 1,674,449 km (0.099 R)
• M4: 2,242,023 km (0.086 R)
• M5: 3,073,189 km (0.076 R)
• M6: 3,909,441 km (0.096 R)
• M7: 4,613,598 km (0.054 R)
• M8: 5,200,471 km (0.106 R)
• M9: 5,837,010 km (0.111 R)
• M10: 6,315,125 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 12.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.62 AU - 1.8 AU

Year: 1543 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,511,195 km

• M1: 159,172 km (0.111 R)
• M2: 571,613 km (0.09 R)
• M3: 1,161,927 km (0.079 R)
• M4: 1,749,996 km (0.115 R)
• M5: 2,316,822 km (0.096 R)
• M6: 3,189,277 km (0.05 R)
• M7: 3,662,156 km (0.112 R)
• M8: 4,060,236 km (0.043 R)
• M9: 4,964,256 km (0.084 R)
• M10: 5,370,115 km (0.09 R)
• M11: 5,842,395 km (0.106 R)
• M12: 6,507,208 km (0.105 R)
• M13: 7,170,974 km (0.113 R)
• M14: 7,718,053 km (0.072 R)
• M15: 8,750,129 km (0.105 R)
• M16: 9,528,786 km (0.085 R)
• M17: 11,432,568 km (0.1 R)
• M18: 12,511,169 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 17,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit