🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.53 AU - 0.79 AU

Year: 352 Days

Day: 34.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 18,051,084 km

• M1: 49,218 km (0.045 R)
• M2: 83,625 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 12

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.83 AU - 1.15 AU

Year: 646 Days

Day: 5.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,051,084 km

• M1: 149,299 km (0.055 R)
• M2: 577,897 km (0.096 R)
• M3: 964,607 km (0.114 R)
• M4: 1,407,566 km (0.071 R)
• M5: 1,826,590 km (0.06 R)
• M6: 2,625,592 km (0.042 R)
• M7: 3,221,291 km (0.098 R)
• M8: 3,863,664 km (0.06 R)
• M9: 4,862,230 km (0.068 R)
• M10: 5,546,790 km (0.113 R)
• M11: 6,754,344 km (0.115 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 8.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.62 AU - 3.36 AU

Year: 3392 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,051,084 km

• M1: 104,569 km (0.069 R)
• M2: 416,780 km (0.083 R)
• M3: 736,620 km (0.083 R)
• M4: 1,249,741 km (0.077 R)
• M5: 1,581,698 km (0.111 R)
• M6: 1,898,846 km (0.111 R)
• M7: 2,191,010 km (0.095 R)
• M8: 2,756,042 km (0.094 R)
• M9: 3,733,215 km (0.118 R)
• M10: 4,740,757 km (0.067 R)
• M11: 5,332,566 km (0.116 R)
• M12: 7,282,724 km (0.082 R)
• M13: 7,812,450 km (0.108 R)
• M14: 9,302,594 km (0.036 R)
• M15: 9,703,067 km (0.093 R)
• M16: 10,114,910 km (0.03 R)
• M17: 12,308,165 km (0.096 R)
• M18: 13,654,695 km (0.117 R)
• M19: 15,296,382 km (0.095 R)
• M20: 19,969,221 km (0.075 R)
• M21: 20,270,511 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 11.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.3 AU - 3.76 AU

Year: 3460 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,051,084 km

• M1: 143,464 km (0.12 R)
• M2: 702,811 km (0.053 R)
• M3: 1,064,838 km (0.095 R)
• M4: 1,422,975 km (0.087 R)
• M5: 2,050,089 km (0.117 R)
• M6: 2,560,667 km (0.104 R)
• M7: 2,947,228 km (0.115 R)
• M8: 3,338,725 km (0.103 R)
• M9: 4,494,219 km (0.1 R)
• M10: 5,175,338 km (0.045 R)
• M11: 6,688,820 km (0.06 R)
• M12: 7,850,148 km (0.093 R)
• M13: 8,478,908 km (0.119 R)
• M14: 9,107,219 km (0.07 R)
• M15: 9,944,818 km (0.031 R)
• M16: 10,382,691 km (0.115 R)
• M17: 10,757,134 km (0.112 R)
• M18: 12,598,235 km (0.113 R)
• M19: 14,087,781 km (0.1 R)
• M20: 14,969,810 km (0.103 R)
• M21: 15,937,409 km (0.075 R)
• M22: 16,336,087 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 18,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit