🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 12.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.62 AU - 0.86 AU

Year: 411 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 10,688,159 km

• M1: 154,235 km (0.084 R)
• M2: 544,835 km (0.081 R)
• M3: 999,164 km (0.062 R)
• M4: 1,800,859 km (0.096 R)
• M5: 2,317,570 km (0.1 R)
• M6: 2,709,367 km (0.085 R)
• M7: 3,124,202 km (0.1 R)
• M8: 5,531,680 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 10.4

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.86 AU - 1.1 AU

Year: 626 Days

Day: 9.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,688,159 km

• M1: 134,339 km (0.106 R)
• M2: 483,949 km (0.051 R)
• M3: 923,767 km (0.112 R)
• M4: 1,431,053 km (0.117 R)
• M5: 1,754,633 km (0.05 R)
• M6: 2,459,987 km (0.046 R)
• M7: 2,873,027 km (0.115 R)
• M8: 3,981,697 km (0.085 R)
• M9: 4,460,261 km (0.12 R)
• M10: 5,533,027 km (0.106 R)
• M11: 5,863,788 km (0.078 R)
• M12: 6,646,484 km (0.114 R)
• M13: 7,234,852 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.1

Radius: 11.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.31 AU - 1.87 AU

Year: 1295 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 10,688,159 km

• M1: 140,472 km (0.065 R)
• M2: 580,589 km (0.078 R)
• M3: 1,304,493 km (0.078 R)
• M4: 1,882,091 km (0.05 R)
• M5: 2,504,568 km (0.059 R)
• M6: 2,864,799 km (0.069 R)
• M7: 3,675,919 km (0.049 R)
• M8: 4,077,290 km (0.107 R)
• M9: 4,930,895 km (0.105 R)
• M10: 5,772,234 km (0.118 R)
• M11: 6,521,121 km (0.067 R)
• M12: 7,185,635 km (0.088 R)
• M13: 7,764,728 km (0.109 R)
• M14: 8,649,749 km (0.097 R)
• M15: 9,247,243 km (0.088 R)
• M16: 10,304,002 km (0.102 R)
• M17: 11,041,071 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358

Radius: 8.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.66 AU - 1.78 AU

Year: 1456 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 10,688,159 km

• M1: 108,159 km (0.111 R)
• M2: 402,568 km (0.066 R)
• M3: 740,659 km (0.081 R)
• M4: 1,015,620 km (0.108 R)
• M5: 1,438,683 km (0.04 R)
• M6: 1,728,304 km (0.086 R)
• M7: 2,077,914 km (0.106 R)
• M8: 3,629,394 km (0.093 R)
• M9: 3,943,101 km (0.09 R)
• M10: 4,625,417 km (0.063 R)
• M11: 4,994,923 km (0.104 R)
• M12: 5,384,177 km (0.105 R)
• M13: 6,582,755 km (0.106 R)
• M14: 7,293,644 km (0.071 R)
• M15: 8,427,596 km (0.061 R)
• M16: 8,839,738 km (0.089 R)
• M17: 9,381,133 km (0.087 R)
• M18: 9,914,300 km (0.109 R)
• M19: 10,405,130 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 12,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit