🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.51 AU - 0.55 AU

Year: 163 Days

Day: 27.3 Hours

Environment

Temp: 93 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.78 AU - 1.28 AU

Year: 441 Days

Day: 20 Hours

Environment

Temp: -55 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,830,893 km

• M1: 59,540 km (0.119 R)
• M2: 595,400 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.15 AU - 1.31 AU

Year: 575 Days

Day: 37.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 14.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.59 AU - 9.33 AU

Year: 10378 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,830,893 km

• M1: 176,675 km (0.066 R)
• M2: 707,149 km (0.117 R)
• M3: 1,195,586 km (0.076 R)
• M4: 2,175,751 km (0.101 R)
• M5: 2,660,598 km (0.039 R)
• M6: 3,667,541 km (0.105 R)
• M7: 4,130,547 km (0.076 R)
• M8: 4,632,896 km (0.118 R)
• M9: 5,412,002 km (0.11 R)
• M10: 6,052,281 km (0.096 R)
• M11: 7,107,694 km (0.093 R)
• M12: 10,045,198 km (0.086 R)
• M13: 10,576,719 km (0.085 R)
• M14: 11,812,248 km (0.068 R)
• M15: 15,113,125 km (0.09 R)
• M16: 18,508,548 km (0.057 R)
• M17: 21,937,481 km (0.095 R)
• M18: 34,732,138 km (0.026 R)
• M19: 41,108,747 km (0.063 R)
• M20: 44,714,355 km (0.088 R)
• M21: 48,224,968 km (0.04 R)
• M22: 48,827,548 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.6

Radius: 12.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.24 AU - 9.46 AU

Year: 11104 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,830,893 km

• M1: 158,723 km (0.05 R)
• M2: 1,118,842 km (0.051 R)
• M3: 1,621,342 km (0.049 R)
• M4: 2,219,733 km (0.079 R)
• M5: 3,146,193 km (0.11 R)
• M6: 4,642,770 km (0.08 R)
• M7: 5,373,705 km (0.114 R)
• M8: 5,911,509 km (0.104 R)
• M9: 6,655,609 km (0.05 R)
• M10: 7,648,790 km (0.036 R)
• M11: 8,397,826 km (0.096 R)
• M12: 11,596,378 km (0.118 R)
• M13: 13,168,652 km (0.077 R)
• M14: 15,027,405 km (0.111 R)
• M15: 16,254,856 km (0.052 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit