🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 150 Days

Day: 33.8 Hours

Environment

Temp: 236 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.83 AU - 2.59 AU

Year: 1206 Days

Day: 17.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.87 AU - 3.91 AU

Year: 2816 Days

Day: 28.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 9.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.55 AU - 6.59 AU

Year: 6182 Days

Day: 12.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,797,702 km

• M1: 118,182 km (0.063 R)
• M2: 454,927 km (0.096 R)
• M3: 755,619 km (0.104 R)
• M4: 1,188,555 km (0.064 R)
• M5: 1,677,142 km (0.081 R)
• M6: 2,636,363 km (0.077 R)
• M7: 3,336,781 km (0.057 R)
• M8: 4,992,081 km (0.064 R)
• M9: 6,530,396 km (0.113 R)
• M10: 8,020,241 km (0.095 R)
• M11: 9,620,190 km (0.078 R)
• M12: 10,185,969 km (0.089 R)
• M13: 11,152,372 km (0.115 R)
• M14: 11,856,529 km (0.064 R)
• M15: 13,181,068 km (0.084 R)
• M16: 15,974,958 km (0.099 R)
• M17: 16,467,883 km (0.095 R)
• M18: 17,021,844 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.3

Radius: 5.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 17.83 AU - 17.93 AU

Year: 27754 Days

Day: 24.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,797,702 km

• M1: 106,214 km (0.11 R)
• M2: 549,922 km (0.033 R)
• M3: 958,324 km (0.051 R)
• M4: 1,330,224 km (0.108 R)
• M5: 1,870,422 km (0.117 R)
• M6: 2,414,210 km (0.081 R)
• M7: 3,834,941 km (0.076 R)
• M8: 4,884,221 km (0.103 R)
• M9: 6,612,675 km (0.077 R)
• M10: 7,654,025 km (0.085 R)
• M11: 10,702,830 km (0.057 R)
• M12: 11,428,829 km (0.057 R)
• M13: 17,454,332 km (0.09 R)
• M14: 17,808,729 km (0.08 R)
• M15: 20,190,776 km (0.116 R)
• M16: 22,777,024 km (0.053 R)
• M17: 32,374,475 km (0.075 R)
• M18: 41,780,441 km (0.077 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: 471 - 18,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit