🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.55 AU - 0.61 AU

Year: 158 Days

Day: 27.1 Hours

Environment

Temp: 218 °C

Axial Tilt: 45.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.73 AU - 1.07 AU

Year: 306 Days

Day: 46.4 Hours

Environment

Temp: 111 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.03 AU - 1.69 AU

Year: 568 Days

Day: 44.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.75 AU - 2.75 AU

Year: 1209 Days

Day: 34.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 70.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.63 AU - 4.87 AU

Year: 3138 Days

Day: 17.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,611,563 km

• M1: 40,242 km (0.048 R)

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 8.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.14 AU - 7.22 AU

Year: 6184 Days

Day: 12.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 69.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,611,563 km

• M1: 103,971 km (0.09 R)
• M2: 771,925 km (0.107 R)
• M3: 1,195,437 km (0.111 R)
• M4: 1,509,293 km (0.091 R)
• M5: 4,202,503 km (0.062 R)
• M6: 4,897,984 km (0.085 R)
• M7: 5,200,920 km (0.103 R)
• M8: 5,537,964 km (0.064 R)
• M9: 6,162,684 km (0.073 R)
• M10: 7,135,669 km (0.102 R)
• M11: 7,632,184 km (0.076 R)
• M12: 8,607,113 km (0.07 R)
• M13: 9,352,560 km (0.095 R)
• M14: 12,101,421 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516

Radius: 11.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.99 AU - 10.15 AU

Year: 8986 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,611,563 km

• M1: 145,260 km (0.101 R)
• M2: 608,863 km (0.097 R)
• M3: 1,289,982 km (0.093 R)
• M4: 1,746,406 km (0.106 R)
• M5: 3,427,287 km (0.116 R)
• M6: 3,979,004 km (0.118 R)
• M7: 4,451,733 km (0.113 R)
• M8: 4,903,070 km (0.117 R)
• M9: 5,573,568 km (0.092 R)
• M10: 6,031,337 km (0.119 R)
• M11: 8,538,298 km (0.051 R)
• M12: 9,974,737 km (0.113 R)
• M13: 10,701,035 km (0.047 R)
• M14: 11,358,667 km (0.075 R)
• M15: 12,866,763 km (0.104 R)
• M16: 16,541,037 km (0.119 R)
• M17: 18,761,967 km (0.051 R)
• M18: 20,019,337 km (0.115 R)
• M19: 29,252,667 km (0.086 R)
• M20: 32,588,999 km (0.074 R)
• M21: 39,887,430 km (0.117 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 17,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit