🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.53 AU - 0.55 AU

Year: 140 Days

Day: 43 Hours

Environment

Temp: 273 °C

Axial Tilt: 49 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.62 AU - 0.92 AU

Year: 239 Days

Day: 19.9 Hours

Environment

Temp: 158 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,256,483 km

• M1: 354,397 km (0.093 R)
• M2: 470,934 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.83 AU - 0.95 AU

Year: 296 Days

Day: 46.2 Hours

Environment

Temp: 125 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.15 AU - 2.75 AU

Year: 1354 Days

Day: 24.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,256,483 km

• M1: 443,707 km (0.074 R)

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 10.2

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.9 AU - 6.14 AU

Year: 4579 Days

Day: 5.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,256,483 km

• M1: 127,009 km (0.085 R)
• M2: 451,636 km (0.094 R)
• M3: 857,944 km (0.054 R)
• M4: 1,218,026 km (0.106 R)
• M5: 1,667,867 km (0.063 R)
• M6: 2,707,572 km (0.099 R)
• M7: 3,399,312 km (0.112 R)
• M8: 3,787,220 km (0.087 R)
• M9: 5,499,517 km (0.115 R)
• M10: 5,944,571 km (0.108 R)
• M11: 7,180,399 km (0.098 R)
• M12: 7,568,306 km (0.079 R)
• M13: 8,386,157 km (0.037 R)
• M14: 8,936,528 km (0.069 R)
• M15: 10,066,142 km (0.073 R)
• M16: 10,870,529 km (0.084 R)
• M17: 13,808,781 km (0.058 R)
• M18: 14,354,664 km (0.114 R)
• M19: 14,801,513 km (0.071 R)
• M20: 15,841,068 km (0.073 R)
• M21: 18,324,542 km (0.109 R)
• M22: 22,074,063 km (0.087 R)
• M23: 29,142,563 km (0.099 R)
• M24: 29,499,653 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 12.3

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.29 AU - 9.21 AU

Year: 7618 Days

Day: 10.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,256,483 km

• M1: 153,487 km (0.106 R)
• M2: 967,300 km (0.049 R)
• M3: 1,499,270 km (0.095 R)
• M4: 1,891,815 km (0.097 R)
• M5: 2,320,861 km (0.11 R)
• M6: 3,444,641 km (0.115 R)
• M7: 3,851,846 km (0.097 R)
• M8: 4,240,950 km (0.099 R)
• M9: 4,710,239 km (0.058 R)
• M10: 5,691,900 km (0.099 R)
• M11: 6,565,103 km (0.081 R)
• M12: 7,267,764 km (0.069 R)
• M13: 8,216,065 km (0.049 R)
• M14: 9,504,551 km (0.103 R)
• M15: 10,971,358 km (0.115 R)
• M16: 13,392,151 km (0.09 R)
• M17: 14,874,516 km (0.118 R)
• M18: 21,076,694 km (0.077 R)
• M19: 22,998,728 km (0.047 R)
• M20: 28,447,232 km (0.119 R)
• M21: 29,276,752 km (0.113 R)
• M22: 30,598,898 km (0.108 R)
• M23: 31,469,707 km (0.117 R)
• M24: 32,957,608 km (0.092 R)
• M25: 34,181,169 km (0.1 R)
• M26: 34,804,244 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.4

Radius: 4.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 15.48 AU - 22.94 AU

Year: 29730 Days

Day: 23.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,256,483 km

• M1: 56,099 km (0.044 R)
• M2: 226,940 km (0.085 R)
• M3: 450,439 km (0.049 R)
• M4: 1,532,780 km (0.092 R)
• M5: 2,147,627 km (0.061 R)
• M6: 2,690,368 km (0.063 R)
• M7: 2,912,970 km (0.106 R)
• M8: 3,099,817 km (0.081 R)
• M9: 3,369,842 km (0.07 R)
• M10: 5,365,028 km (0.077 R)
• M11: 5,826,987 km (0.047 R)
• M12: 6,011,590 km (0.048 R)
• M13: 14,397,000 km (0.094 R)
• M14: 15,922,599 km (0.047 R)
• M15: 18,566,293 km (0.114 R)
• M16: 20,285,471 km (0.081 R)
• M17: 24,320,724 km (0.11 R)
• M18: 41,034,397 km (0.078 R)
• M19: 49,065,708 km (0.073 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 10,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit