🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 12.7

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.56 AU - 0.78 AU

Year: 372 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,218,211 km

• M1: 157,975 km (0.118 R)
• M2: 715,676 km (0.09 R)
• M3: 1,165,816 km (0.118 R)
• M4: 1,613,263 km (0.101 R)
• M5: 2,044,105 km (0.086 R)
• M6: 2,560,966 km (0.104 R)
• M7: 3,223,984 km (0.119 R)
• M8: 3,872,790 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 13.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.06 AU - 1.4 AU

Year: 925 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,218,211 km

• M1: 199,414 km (0.101 R)
• M2: 809,474 km (0.052 R)
• M3: 1,592,021 km (0.112 R)
• M4: 2,361,103 km (0.114 R)
• M5: 2,994,501 km (0.088 R)
• M6: 3,409,784 km (0.1 R)
• M7: 3,992,019 km (0.11 R)
• M8: 4,877,190 km (0.096 R)
• M9: 6,038,668 km (0.105 R)
• M10: 7,278,684 km (0.096 R)
• M11: 8,355,639 km (0.025 R)
• M12: 8,848,564 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 10.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.71 AU - 2.85 AU

Year: 2335 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,218,211 km

• M1: 136,134 km (0.108 R)
• M2: 500,854 km (0.116 R)
• M3: 850,613 km (0.11 R)
• M4: 1,246,449 km (0.065 R)
• M5: 2,261,172 km (0.07 R)
• M6: 2,744,822 km (0.067 R)
• M7: 3,152,177 km (0.107 R)
• M8: 3,940,109 km (0.066 R)
• M9: 4,983,404 km (0.106 R)
• M10: 5,807,689 km (0.084 R)
• M11: 6,908,430 km (0.069 R)
• M12: 8,082,773 km (0.075 R)
• M13: 8,733,524 km (0.051 R)
• M14: 11,422,396 km (0.104 R)
• M15: 13,184,659 km (0.097 R)
• M16: 13,738,320 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 10.4

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.73 AU - 3.15 AU

Year: 3419 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,218,211 km

• M1: 130,749 km (0.058 R)
• M2: 725,998 km (0.059 R)
• M3: 1,143,676 km (0.046 R)
• M4: 2,007,753 km (0.098 R)
• M5: 3,763,882 km (0.09 R)
• M6: 4,470,882 km (0.068 R)
• M7: 6,713,354 km (0.08 R)
• M8: 8,548,770 km (0.111 R)
• M9: 9,109,164 km (0.097 R)
• M10: 10,225,762 km (0.119 R)
• M11: 11,939,256 km (0.11 R)
• M12: 15,978,549 km (0.114 R)
• M13: 16,883,466 km (0.11 R)
• M14: 18,737,283 km (0.027 R)
• M15: 20,107,001 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.5

Radius: 8.8

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.94 AU - 3.98 AU

Year: 4365 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,218,211 km

• M1: 109,506 km (0.119 R)
• M2: 442,361 km (0.089 R)
• M3: 717,920 km (0.112 R)
• M4: 1,043,595 km (0.084 R)
• M5: 1,402,779 km (0.089 R)
• M6: 1,678,937 km (0.084 R)
• M7: 3,213,512 km (0.109 R)
• M8: 3,721,995 km (0.099 R)
• M9: 4,052,158 km (0.115 R)
• M10: 5,003,600 km (0.113 R)
• M11: 5,434,292 km (0.05 R)
• M12: 6,126,781 km (0.1 R)
• M13: 6,494,492 km (0.075 R)
• M14: 11,160,899 km (0.041 R)
• M15: 12,325,668 km (0.117 R)
• M16: 12,813,656 km (0.066 R)
• M17: 13,263,796 km (0.119 R)
• M18: 13,984,858 km (0.066 R)
• M19: 17,925,714 km (0.068 R)
• M20: 18,742,968 km (0.089 R)
• M21: 22,840,005 km (0.097 R)
• M22: 25,959,868 km (0.086 R)
• M23: 26,358,696 km (0.116 R)
• M24: 26,680,780 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.7

Radius: 9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.48 AU - 5.12 AU

Year: 6048 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,218,211 km

• M1: 112,049 km (0.111 R)
• M2: 468,541 km (0.112 R)
• M3: 966,701 km (0.114 R)
• M4: 1,747,902 km (0.115 R)
• M5: 2,654,764 km (0.105 R)
• M6: 3,438,956 km (0.091 R)
• M7: 4,204,149 km (0.073 R)
• M8: 4,540,295 km (0.094 R)
• M9: 5,172,047 km (0.03 R)
• M10: 5,708,505 km (0.109 R)
• M11: 7,331,492 km (0.099 R)
• M12: 8,560,439 km (0.105 R)
• M13: 8,930,694 km (0.092 R)
• M14: 10,330,032 km (0.097 R)
• M15: 11,542,523 km (0.1 R)
• M16: 12,288,717 km (0.036 R)
• M17: 15,449,122 km (0.098 R)
• M18: 17,456,276 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.3

Radius: 6.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.21 AU - 7.23 AU

Year: 13158 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,218,211 km

• M1: 145,858 km (0.088 R)
• M2: 344,225 km (0.11 R)
• M3: 730,636 km (0.101 R)
• M4: 2,099,008 km (0.075 R)
• M5: 4,817,949 km (0.058 R)
• M6: 5,934,697 km (0.113 R)
• M7: 11,269,208 km (0.112 R)
• M8: 12,042,030 km (0.118 R)
• M9: 15,901,506 km (0.055 R)
• M10: 26,440,676 km (0.115 R)
• M11: 26,692,299 km (0.031 R)
• M12: 26,945,568 km (0.034 R)
• M13: 30,019,356 km (0.057 R)
• M14: 31,031,685 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 15,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit