🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.64 AU - 0.9 AU

Year: 246 Days

Day: 17 Hours

Environment

Temp: 185 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.87 AU - 1.15 AU

Year: 369 Days

Day: 15.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.22 AU - 1.86 AU

Year: 695 Days

Day: 31.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.73 AU - 1.99 AU

Year: 922 Days

Day: 41 Hours

Environment

Temp: -61 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,463,918 km

• M1: 1,468,154 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.41 AU - 3.53 AU

Year: 1860 Days

Day: 12.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 12.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.55 AU - 7.05 AU

Year: 5747 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,463,918 km

• M1: 154,235 km (0.096 R)
• M2: 624,870 km (0.077 R)
• M3: 1,671,607 km (0.118 R)
• M4: 2,558,423 km (0.094 R)
• M5: 4,001,444 km (0.074 R)
• M6: 6,027,149 km (0.094 R)
• M7: 7,431,723 km (0.112 R)
• M8: 8,090,552 km (0.082 R)
• M9: 8,620,577 km (0.101 R)
• M10: 9,436,634 km (0.051 R)
• M11: 10,350,677 km (0.075 R)
• M12: 11,173,166 km (0.087 R)
• M13: 12,622,470 km (0.043 R)
• M14: 13,561,346 km (0.068 R)
• M15: 13,961,371 km (0.09 R)
• M16: 18,968,112 km (0.066 R)
• M17: 29,391,942 km (0.053 R)
• M18: 32,952,372 km (0.098 R)
• M19: 34,411,400 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.6

Radius: 6.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 14.26 AU - 17.82 AU

Year: 23347 Days

Day: 22.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,463,918 km

• M1: 80,783 km (0.076 R)
• M2: 380,278 km (0.099 R)
• M3: 734,825 km (0.111 R)
• M4: 1,035,516 km (0.105 R)
• M5: 2,607,640 km (0.107 R)
• M6: 4,519,052 km (0.1 R)
• M7: 7,059,374 km (0.081 R)
• M8: 9,112,455 km (0.087 R)
• M9: 9,428,555 km (0.113 R)
• M10: 10,816,524 km (0.093 R)
• M11: 11,069,046 km (0.116 R)
• M12: 14,656,851 km (0.027 R)
• M13: 17,738,119 km (0.028 R)
• M14: 20,295,195 km (0.111 R)
• M15: 24,101,563 km (0.105 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 18,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit