🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.01 AU - 1.19 AU

Year: 511 Days

Day: 37.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,146,149 km

• M1: 965,355 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.51 AU - 2.49 AU

Year: 1253 Days

Day: 22.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,146,149 km

• M1: 21,991 km (0.08 R)

Asteroid Belt

Center: 3.14 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 14.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.57 AU - 4.99 AU

Year: 3922 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,146,149 km

• M1: 176,675 km (0.099 R)
• M2: 670,198 km (0.076 R)
• M3: 1,144,723 km (0.04 R)
• M4: 1,794,875 km (0.054 R)
• M5: 3,205,882 km (0.075 R)
• M6: 3,854,539 km (0.119 R)
• M7: 4,386,210 km (0.102 R)
• M8: 4,846,672 km (0.048 R)
• M9: 5,598,700 km (0.111 R)
• M10: 6,114,215 km (0.114 R)
• M11: 6,780,972 km (0.116 R)
• M12: 7,527,914 km (0.067 R)
• M13: 8,055,995 km (0.059 R)
• M14: 9,113,053 km (0.103 R)
• M15: 10,461,080 km (0.063 R)
• M16: 11,459,646 km (0.111 R)
• M17: 12,339,730 km (0.115 R)
• M18: 12,982,103 km (0.095 R)
• M19: 13,502,405 km (0.089 R)
• M20: 14,585,044 km (0.12 R)
• M21: 16,045,718 km (0.05 R)
• M22: 17,544,689 km (0.081 R)
• M23: 19,135,213 km (0.111 R)
• M24: 19,934,365 km (0.119 R)
• M25: 22,669,463 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 13

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.5 AU - 5.08 AU

Year: 3936 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,146,149 km

• M1: 161,865 km (0.086 R)
• M2: 579,243 km (0.103 R)
• M3: 1,045,988 km (0.107 R)
• M4: 1,464,862 km (0.117 R)
• M5: 2,271,494 km (0.044 R)
• M6: 3,268,115 km (0.09 R)
• M7: 4,068,314 km (0.106 R)
• M8: 4,694,381 km (0.078 R)
• M9: 6,004,709 km (0.06 R)
• M10: 6,444,826 km (0.109 R)
• M11: 6,877,014 km (0.111 R)
• M12: 7,608,996 km (0.112 R)
• M13: 8,092,347 km (0.077 R)
• M14: 8,527,976 km (0.073 R)
• M15: 9,779,213 km (0.074 R)
• M16: 10,785,258 km (0.103 R)
• M17: 15,055,081 km (0.094 R)
• M18: 15,459,294 km (0.067 R)
• M19: 17,369,510 km (0.043 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit