🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 14.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.64 AU - 0.94 AU

Year: 494 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,134,121 km

• M1: 181,612 km (0.118 R)
• M2: 640,129 km (0.073 R)
• M3: 1,226,403 km (0.097 R)
• M4: 1,714,691 km (0.069 R)
• M5: 2,226,615 km (0.066 R)
• M6: 2,695,454 km (0.12 R)
• M7: 3,219,197 km (0.117 R)
• M8: 4,038,095 km (0.052 R)
• M9: 4,519,651 km (0.077 R)
• M10: 4,976,373 km (0.05 R)
• M11: 5,430,702 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.3

Radius: 10.6

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.84 AU - 1.24 AU

Year: 746 Days

Day: 5 Hours

Environment

Temp: -167 °C

Axial Tilt: 88.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,134,121 km

• M1: 134,488 km (0.069 R)
• M2: 478,713 km (0.073 R)
• M3: 1,060,948 km (0.093 R)
• M4: 1,607,280 km (0.119 R)
• M5: 1,974,542 km (0.05 R)
• M6: 2,344,797 km (0.095 R)
• M7: 2,870,185 km (0.101 R)
• M8: 3,214,260 km (0.106 R)
• M9: 3,571,649 km (0.116 R)
• M10: 5,817,113 km (0.078 R)
• M11: 8,226,686 km (0.085 R)
• M12: 8,900,176 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 9.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.84 AU - 3.06 AU

Year: 2696 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,134,121 km

• M1: 118,182 km (0.111 R)
• M2: 478,115 km (0.103 R)
• M3: 807,081 km (0.086 R)
• M4: 1,349,223 km (0.076 R)
• M5: 1,797,867 km (0.115 R)
• M6: 3,174,916 km (0.106 R)
• M7: 3,683,399 km (0.098 R)
• M8: 4,683,760 km (0.088 R)
• M9: 5,343,935 km (0.092 R)
• M10: 5,855,709 km (0.112 R)
• M11: 6,183,179 km (0.1 R)
• M12: 6,646,933 km (0.105 R)
• M13: 8,890,003 km (0.104 R)
• M14: 9,803,298 km (0.063 R)
• M15: 12,723,748 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 10.1

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.28 AU - 4.32 AU

Year: 6268 Days

Day: 6.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,134,121 km

• M1: 125,662 km (0.078 R)
• M2: 473,627 km (0.106 R)
• M3: 858,243 km (0.04 R)
• M4: 1,177,634 km (0.097 R)
• M5: 1,876,556 km (0.083 R)
• M6: 2,607,341 km (0.077 R)
• M7: 3,008,563 km (0.084 R)
• M8: 3,816,541 km (0.116 R)
• M9: 4,874,198 km (0.106 R)
• M10: 6,517,231 km (0.06 R)
• M11: 7,007,015 km (0.119 R)
• M12: 7,521,033 km (0.117 R)
• M13: 8,258,700 km (0.105 R)
• M14: 9,043,939 km (0.104 R)
• M15: 10,667,226 km (0.119 R)
• M16: 11,004,270 km (0.115 R)
• M17: 12,161,708 km (0.078 R)
• M18: 12,689,490 km (0.068 R)
• M19: 15,622,506 km (0.082 R)
• M20: 17,610,961 km (0.077 R)
• M21: 19,262,072 km (0.093 R)
• M22: 22,317,459 km (0.082 R)
• M23: 22,949,211 km (0.091 R)
• M24: 24,497,399 km (0.109 R)
• M25: 25,596,196 km (0.062 R)
• M26: 26,639,192 km (0.041 R)
• M27: 27,529,898 km (0.091 R)
• M28: 28,532,353 km (0.119 R)
• M29: 33,397,874 km (0.115 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: 176 - 11,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit