🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.39 AU - 0.61 AU

Year: 130 Days

Day: 22.3 Hours

Environment

Temp: 239 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.48 AU - 0.56 AU

Year: 138 Days

Day: 18.8 Hours

Environment

Temp: 178 °C

Axial Tilt: 27.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.8 AU - 1.06 AU

Year: 331 Days

Day: 25.8 Hours

Environment

Temp: 45 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,377,086 km

• M1: 148,251 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.98 AU - 2.78 AU

Year: 1355 Days

Day: 44.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 11.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.89 AU - 7.05 AU

Year: 6072 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,377,086 km

• M1: 138,378 km (0.091 R)
• M2: 1,296,565 km (0.068 R)
• M3: 1,702,274 km (0.044 R)
• M4: 2,455,799 km (0.12 R)
• M5: 2,948,424 km (0.103 R)
• M6: 4,307,820 km (0.045 R)
• M7: 6,776,634 km (0.111 R)
• M8: 7,379,813 km (0.095 R)
• M9: 10,066,890 km (0.072 R)
• M10: 10,948,021 km (0.118 R)
• M11: 15,110,881 km (0.083 R)
• M12: 16,390,092 km (0.101 R)
• M13: 21,928,953 km (0.046 R)
• M14: 22,776,874 km (0.111 R)
• M15: 29,150,940 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 14.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.47 AU - 11.85 AU

Year: 11078 Days

Day: 13.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,377,086 km

• M1: 182,809 km (0.12 R)
• M2: 763,847 km (0.091 R)
• M3: 1,347,877 km (0.108 R)
• M4: 1,820,157 km (0.108 R)
• M5: 2,369,481 km (0.118 R)
• M6: 3,664,101 km (0.071 R)
• M7: 4,609,260 km (0.111 R)
• M8: 6,116,159 km (0.085 R)
• M9: 7,212,562 km (0.113 R)
• M10: 7,848,951 km (0.062 R)
• M11: 9,465,207 km (0.063 R)
• M12: 9,986,107 km (0.047 R)
• M13: 11,880,614 km (0.058 R)
• M14: 13,348,468 km (0.106 R)
• M15: 15,061,214 km (0.095 R)
• M16: 16,371,542 km (0.093 R)
• M17: 17,756,519 km (0.106 R)
• M18: 19,068,642 km (0.118 R)
• M19: 21,478,664 km (0.037 R)
• M20: 22,714,941 km (0.094 R)
• M21: 23,393,517 km (0.115 R)
• M22: 25,510,326 km (0.119 R)
• M23: 28,430,178 km (0.063 R)
• M24: 31,045,448 km (0.093 R)
• M25: 32,092,782 km (0.099 R)
• M26: 34,147,509 km (0.114 R)
• M27: 35,944,628 km (0.12 R)
• M28: 38,517,712 km (0.104 R)
• M29: 41,086,307 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 14,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit