🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.45 AU - 0.67 AU

Year: 271 Days

Day: 31.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.54 AU - 0.68 AU

Year: 308 Days

Day: 35.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 13.3

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.86 AU - 2.86 AU

Year: 2341 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,454,668 km

• M1: 168,148 km (0.066 R)
• M2: 900,430 km (0.119 R)
• M3: 1,434,195 km (0.114 R)
• M4: 2,258,778 km (0.087 R)
• M5: 2,988,965 km (0.118 R)
• M6: 5,208,100 km (0.072 R)
• M7: 5,658,689 km (0.101 R)
• M8: 6,171,810 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.8

Radius: 4.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.68 AU - 7.7 AU

Year: 11173 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,454,668 km

• M1: 71,957 km (0.092 R)
• M2: 504,594 km (0.105 R)
• M3: 664,364 km (0.115 R)
• M4: 1,745,209 km (0.093 R)
• M5: 1,919,341 km (0.072 R)
• M6: 2,350,033 km (0.05 R)
• M7: 2,788,804 km (0.053 R)
• M8: 3,220,693 km (0.084 R)
• M9: 3,783,330 km (0.061 R)
• M10: 4,216,715 km (0.102 R)
• M11: 5,374,752 km (0.065 R)
• M12: 8,113,141 km (0.094 R)
• M13: 9,267,438 km (0.049 R)
• M14: 10,223,369 km (0.119 R)
• M15: 11,152,072 km (0.115 R)
• M16: 12,135,678 km (0.094 R)
• M17: 12,525,082 km (0.082 R)
• M18: 13,901,233 km (0.069 R)
• M19: 14,113,362 km (0.096 R)
• M20: 15,431,768 km (0.041 R)
• M21: 16,296,145 km (0.049 R)
• M22: 16,950,187 km (0.038 R)
• M23: 17,870,064 km (0.089 R)
• M24: 19,742,132 km (0.108 R)
• M25: 21,106,913 km (0.06 R)
• M26: 25,815,207 km (0.074 R)
• M27: 27,946,677 km (0.083 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 12,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit