🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.48 AU - 0.76 AU

Year: 149 Days

Day: 34.5 Hours

Environment

Temp: 287 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.68 AU - 0.7 AU

Year: 175 Days

Day: 12.1 Hours

Environment

Temp: 236 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.64 AU - 2.14 AU

Year: 794 Days

Day: 23.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.35 AU - 3.83 AU

Year: 2078 Days

Day: 36.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.06 AU - 4.44 AU

Year: 2218 Days

Day: 23.1 Hours

Environment

Temp: -64 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,965,840 km

• M1: 1,239,568 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.9

Radius: 12.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 11.01 AU - 12.45 AU

Year: 12271 Days

Day: 7.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,965,840 km

• M1: 155,582 km (0.101 R)
• M2: 766,689 km (0.071 R)
• M3: 1,454,390 km (0.103 R)
• M4: 2,506,961 km (0.052 R)
• M5: 3,930,684 km (0.112 R)
• M6: 5,044,739 km (0.108 R)
• M7: 6,474,745 km (0.107 R)
• M8: 7,582,817 km (0.06 R)
• M9: 9,602,987 km (0.117 R)
• M10: 22,369,370 km (0.12 R)
• M11: 23,279,673 km (0.094 R)
• M12: 31,023,158 km (0.094 R)
• M13: 40,193,806 km (0.087 R)
• M14: 44,318,369 km (0.1 R)
• M15: 46,776,711 km (0.102 R)
• M16: 48,565,752 km (0.084 R)
• M17: 49,324,512 km (0.077 R)
• M18: 53,559,179 km (0.111 R)
• M19: 54,532,164 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 10.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 11.62 AU - 14.32 AU

Year: 14267 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,965,840 km

• M1: 241,002 km (0.06 R)
• M2: 1,047,035 km (0.114 R)
• M3: 2,540,621 km (0.093 R)
• M4: 8,731,729 km (0.103 R)
• M5: 10,380,596 km (0.103 R)
• M6: 13,083,381 km (0.082 R)
• M7: 20,935,324 km (0.051 R)
• M8: 24,926,296 km (0.082 R)
• M9: 26,580,550 km (0.105 R)
• M10: 28,898,569 km (0.1 R)
• M11: 29,801,541 km (0.036 R)
• M12: 31,981,482 km (0.082 R)
• M13: 36,889,937 km (0.079 R)
• M14: 38,191,289 km (0.097 R)
• M15: 39,891,319 km (0.063 R)
• M16: 41,010,611 km (0.081 R)

Kuiper Belt

Range: 35.9 - 61.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 16,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit