🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.56 AU - 0.78 AU

Year: 208 Days

Day: 13.9 Hours

Environment

Temp: 106 °C

Axial Tilt: 64.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,853,454 km

• M1: 39,943 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.76 AU - 1.1 AU

Year: 340 Days

Day: 44.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.05 AU - 4.13 AU

Year: 3133 Days

Day: 14 Hours

Environment

Temp: -124 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,853,454 km

• M1: 233,821 km (0.087 R)
• M2: 475,572 km (0.099 R)

Asteroid Belt

Center: 7.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 11.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.29 AU - 12.31 AU

Year: 12520 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,853,454 km

• M1: 150,196 km (0.116 R)
• M2: 621,280 km (0.053 R)
• M3: 1,381,536 km (0.102 R)
• M4: 3,083,511 km (0.057 R)
• M5: 4,173,481 km (0.12 R)
• M6: 5,217,675 km (0.036 R)
• M7: 7,345,704 km (0.042 R)
• M8: 8,271,117 km (0.112 R)
• M9: 9,230,937 km (0.03 R)
• M10: 9,652,204 km (0.11 R)
• M11: 11,515,446 km (0.06 R)
• M12: 13,023,093 km (0.095 R)
• M13: 13,661,577 km (0.114 R)
• M14: 17,362,179 km (0.091 R)
• M15: 24,931,981 km (0.101 R)
• M16: 25,585,724 km (0.109 R)
• M17: 26,250,836 km (0.106 R)
• M18: 28,139,359 km (0.085 R)
• M19: 31,517,279 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.5

Radius: 5.8

Gravity: 25.13 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.39 AU - 19.29 AU

Year: 23877 Days

Day: 19.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,853,454 km

• M1: 72,705 km (0.053 R)
• M2: 283,189 km (0.119 R)
• M3: 515,215 km (0.038 R)
• M4: 731,982 km (0.098 R)
• M5: 1,203,515 km (0.091 R)
• M6: 1,685,220 km (0.1 R)
• M7: 1,878,650 km (0.108 R)
• M8: 6,079,358 km (0.091 R)
• M9: 15,425,635 km (0.111 R)
• M10: 16,018,342 km (0.103 R)
• M11: 17,887,268 km (0.12 R)
• M12: 20,396,622 km (0.101 R)
• M13: 31,959,640 km (0.06 R)
• M14: 33,060,681 km (0.05 R)
• M15: 36,515,344 km (0.056 R)
• M16: 39,886,682 km (0.061 R)
• M17: 48,308,593 km (0.072 R)
• M18: 60,719,083 km (0.101 R)
• M19: 75,576,695 km (0.079 R)
• M20: 91,578,431 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 17,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit