🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 12.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 8.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,230,615 km

• M1: 159,172 km (0.12 R)
• M2: 607,068 km (0.111 R)
• M3: 1,053,767 km (0.065 R)
• M4: 1,935,497 km (0.084 R)
• M5: 2,510,402 km (0.101 R)
• M6: 3,667,841 km (0.107 R)
• M7: 4,487,487 km (0.109 R)
• M8: 4,890,953 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.9

Radius: 15

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.54 AU - 0.82 AU

Year: 387 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,230,615 km

• M1: 186,549 km (0.099 R)
• M2: 737,368 km (0.074 R)
• M3: 1,498,821 km (0.12 R)
• M4: 2,067,592 km (0.078 R)
• M5: 2,680,195 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 9.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.66 AU - 0.74 AU

Year: 404 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,230,615 km

• M1: 120,576 km (0.107 R)
• M2: 459,116 km (0.1 R)
• M3: 835,504 km (0.107 R)
• M4: 1,207,404 km (0.109 R)
• M5: 1,734,288 km (0.086 R)
• M6: 2,060,262 km (0.088 R)
• M7: 2,827,998 km (0.074 R)
• M8: 3,330,946 km (0.117 R)
• M9: 3,814,147 km (0.104 R)
• M10: 4,798,950 km (0.053 R)
• M11: 5,189,101 km (0.108 R)
• M12: 5,499,667 km (0.111 R)
• M13: 6,033,133 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.2

Radius: 10.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.34 AU - 1.62 AU

Year: 1243 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,230,615 km

• M1: 129,851 km (0.071 R)
• M2: 725,849 km (0.082 R)
• M3: 1,060,948 km (0.034 R)
• M4: 2,096,315 km (0.115 R)
• M5: 2,721,036 km (0.048 R)
• M6: 3,091,889 km (0.036 R)
• M7: 4,285,829 km (0.095 R)
• M8: 5,007,340 km (0.06 R)
• M9: 5,397,491 km (0.086 R)
• M10: 6,426,725 km (0.064 R)
• M11: 7,932,277 km (0.11 R)
• M12: 8,811,464 km (0.105 R)
• M13: 11,768,565 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 14.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.86 AU - 2.12 AU

Year: 1938 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,230,615 km

• M1: 185,950 km (0.065 R)
• M2: 758,760 km (0.109 R)
• M3: 1,365,829 km (0.073 R)
• M4: 1,866,233 km (0.081 R)
• M5: 2,477,790 km (0.094 R)
• M6: 3,065,260 km (0.071 R)
• M7: 3,553,249 km (0.027 R)
• M8: 4,814,658 km (0.105 R)
• M9: 5,980,624 km (0.051 R)
• M10: 6,617,312 km (0.072 R)
• M11: 7,907,743 km (0.114 R)
• M12: 8,550,117 km (0.116 R)
• M13: 12,996,614 km (0.113 R)
• M14: 14,156,746 km (0.118 R)
• M15: 14,967,716 km (0.117 R)
• M16: 15,619,813 km (0.083 R)
• M17: 16,535,053 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.7

Radius: 5.2

Gravity: 15.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.64 AU - 6.46 AU

Year: 9025 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,230,615 km

• M1: 64,626 km (0.096 R)
• M2: 226,940 km (0.027 R)
• M3: 388,655 km (0.119 R)
• M4: 598,840 km (0.093 R)
• M5: 995,424 km (0.106 R)
• M6: 1,168,958 km (0.076 R)
• M7: 1,577,958 km (0.086 R)
• M8: 2,158,847 km (0.064 R)
• M9: 3,077,976 km (0.116 R)
• M10: 3,565,815 km (0.108 R)
• M11: 6,007,850 km (0.106 R)
• M12: 6,175,101 km (0.094 R)
• M13: 6,519,026 km (0.115 R)
• M14: 6,731,306 km (0.071 R)
• M15: 7,396,418 km (0.09 R)
• M16: 7,784,176 km (0.104 R)
• M17: 7,983,141 km (0.041 R)
• M18: 9,249,038 km (0.12 R)
• M19: 9,472,238 km (0.041 R)
• M20: 9,653,401 km (0.12 R)
• M21: 10,497,731 km (0.098 R)
• M22: 11,646,643 km (0.104 R)
• M23: 13,898,540 km (0.106 R)
• M24: 15,909,734 km (0.087 R)
• M25: 17,488,739 km (0.049 R)
• M26: 17,968,200 km (0.106 R)
• M27: 18,526,948 km (0.092 R)
• M28: 19,826,355 km (0.057 R)
• M29: 20,347,554 km (0.05 R)
• M30: 24,425,144 km (0.089 R)
• M31: 31,161,536 km (0.055 R)
• M32: 31,865,992 km (0.104 R)
• M33: 33,831,409 km (0.068 R)
• M34: 37,321,976 km (0.065 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: 406 - 12,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit