🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.77 AU - 0.99 AU

Year: 253 Days

Day: 36.9 Hours

Environment

Temp: 264 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.99 AU - 1.21 AU

Year: 354 Days

Day: 41.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,770,721 km

• M1: 341,382 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.64 AU - 9.68 AU

Year: 7145 Days

Day: 25.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,770,721 km

• M1: 35,604 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.28 AU - 9.42 AU

Year: 8070 Days

Day: 34.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,770,721 km

• M1: 1,485,507 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.7

Radius: 4.3

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 14.35 AU - 19.15 AU

Year: 21012 Days

Day: 17 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,770,721 km

• M1: 53,556 km (0.094 R)
• M2: 281,394 km (0.059 R)
• M3: 467,045 km (0.097 R)
• M4: 603,328 km (0.108 R)
• M5: 783,594 km (0.103 R)
• M6: 1,523,505 km (0.07 R)
• M7: 4,039,143 km (0.117 R)
• M8: 22,597,357 km (0.092 R)
• M9: 23,889,284 km (0.08 R)
• M10: 29,348,858 km (0.11 R)
• M11: 30,059,299 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.7

Radius: 6.4

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 16.18 AU - 17.96 AU

Year: 21617 Days

Day: 17.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,770,721 km

• M1: 87,365 km (0.102 R)
• M2: 574,157 km (0.119 R)
• M3: 1,010,534 km (0.118 R)
• M4: 1,302,100 km (0.101 R)
• M5: 2,638,757 km (0.115 R)
• M6: 4,315,450 km (0.115 R)
• M7: 8,640,773 km (0.106 R)
• M8: 9,104,826 km (0.083 R)
• M9: 10,026,498 km (0.091 R)
• M10: 14,698,888 km (0.113 R)
• M11: 21,753,625 km (0.096 R)
• M12: 27,133,164 km (0.085 R)
• M13: 28,015,343 km (0.116 R)
• M14: 30,186,756 km (0.115 R)
• M15: 30,895,102 km (0.048 R)
• M16: 33,336,539 km (0.038 R)
• M17: 36,966,232 km (0.053 R)
• M18: 38,737,471 km (0.095 R)
• M19: 40,279,975 km (0.114 R)
• M20: 50,568,119 km (0.053 R)

Kuiper Belt

Range: 35.7 - 56.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 14,572 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit