🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.51 AU - 0.57 AU

Year: 252 Days

Day: 46.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.54 AU - 0.6 AU

Year: 274 Days

Day: 43.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 10.5

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.64 AU - 0.78 AU

Year: 380 Days

Day: 8.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,939,691 km

• M1: 130,599 km (0.117 R)
• M2: 600,486 km (0.077 R)
• M3: 1,109,717 km (0.061 R)
• M4: 1,461,422 km (0.114 R)
• M5: 1,895,854 km (0.05 R)
• M6: 2,354,670 km (0.105 R)
• M7: 2,846,997 km (0.116 R)
• M8: 4,403,862 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.5

Radius: 14.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.71 AU - 1.17 AU

Year: 579 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,939,691 km

• M1: 177,273 km (0.066 R)
• M2: 689,646 km (0.088 R)
• M3: 1,291,478 km (0.081 R)
• M4: 2,101,850 km (0.092 R)

Asteroid Belt

Center: 1.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 10.1

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.54 AU - 3.28 AU

Year: 3156 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,939,691 km

• M1: 125,662 km (0.066 R)
• M2: 616,044 km (0.115 R)
• M3: 934,388 km (0.072 R)
• M4: 1,614,909 km (0.116 R)
• M5: 1,997,880 km (0.116 R)
• M6: 2,550,644 km (0.05 R)
• M7: 3,239,841 km (0.106 R)
• M8: 3,855,736 km (0.111 R)
• M9: 4,667,005 km (0.083 R)
• M10: 5,242,358 km (0.101 R)
• M11: 5,808,437 km (0.106 R)
• M12: 6,504,665 km (0.047 R)
• M13: 8,929,946 km (0.085 R)
• M14: 9,347,324 km (0.071 R)
• M15: 9,857,303 km (0.053 R)
• M16: 11,192,165 km (0.062 R)
• M17: 12,549,466 km (0.117 R)
• M18: 13,122,127 km (0.097 R)
• M19: 14,422,581 km (0.061 R)
• M20: 15,972,116 km (0.066 R)
• M21: 16,644,857 km (0.068 R)
• M22: 18,776,328 km (0.103 R)
• M23: 21,485,994 km (0.079 R)
• M24: 21,893,349 km (0.115 R)
• M25: 22,513,881 km (0.095 R)
• M26: 24,226,178 km (0.116 R)
• M27: 24,741,543 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 11.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.19 AU - 4.07 AU

Year: 4397 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,939,691 km

• M1: 141,071 km (0.082 R)
• M2: 559,197 km (0.082 R)
• M3: 1,203,216 km (0.104 R)
• M4: 1,730,249 km (0.051 R)
• M5: 2,111,873 km (0.115 R)
• M6: 3,141,555 km (0.112 R)
• M7: 4,336,992 km (0.098 R)
• M8: 5,235,327 km (0.086 R)
• M9: 5,588,677 km (0.101 R)
• M10: 6,104,491 km (0.117 R)
• M11: 6,620,753 km (0.108 R)
• M12: 7,705,936 km (0.05 R)
• M13: 8,164,753 km (0.06 R)
• M14: 8,641,671 km (0.082 R)
• M15: 11,491,660 km (0.119 R)
• M16: 11,904,699 km (0.059 R)
• M17: 16,195,316 km (0.032 R)
• M18: 16,656,676 km (0.042 R)
• M19: 19,807,656 km (0.108 R)
• M20: 20,536,048 km (0.104 R)
• M21: 21,213,576 km (0.093 R)
• M22: 22,187,010 km (0.109 R)
• M23: 26,539,709 km (0.075 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 13,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit