🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 12.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.74 AU - 1 AU

Year: 516 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,323,166 km

• M1: 150,645 km (0.047 R)
• M2: 589,864 km (0.054 R)
• M3: 994,676 km (0.09 R)
• M4: 1,377,647 km (0.076 R)
• M5: 1,945,670 km (0.048 R)
• M6: 2,477,790 km (0.11 R)
• M7: 3,248,219 km (0.051 R)
• M8: 3,665,896 km (0.101 R)
• M9: 4,387,556 km (0.098 R)
• M10: 4,914,888 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 10.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.93 AU - 1.33 AU

Year: 764 Days

Day: 7.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,323,166 km

• M1: 132,394 km (0.119 R)
• M2: 617,540 km (0.103 R)
• M3: 1,041,650 km (0.099 R)
• M4: 1,634,357 km (0.105 R)
• M5: 2,247,558 km (0.114 R)
• M6: 2,626,789 km (0.071 R)
• M7: 3,405,446 km (0.05 R)
• M8: 4,229,281 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 10.2

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.03 AU - 1.45 AU

Year: 878 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,323,166 km

• M1: 126,859 km (0.12 R)
• M2: 509,830 km (0.116 R)
• M3: 847,023 km (0.11 R)
• M4: 1,224,459 km (0.101 R)
• M5: 1,900,043 km (0.104 R)
• M6: 2,598,814 km (0.114 R)
• M7: 3,402,604 km (0.079 R)
• M8: 4,063,078 km (0.118 R)
• M9: 4,520,100 km (0.097 R)
• M10: 5,578,056 km (0.089 R)
• M11: 6,274,434 km (0.119 R)
• M12: 6,678,199 km (0.107 R)
• M13: 8,309,264 km (0.086 R)
• M14: 10,069,433 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 13.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.8 AU - 2.6 AU

Year: 2075 Days

Day: 11.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,323,166 km

• M1: 172,935 km (0.076 R)
• M2: 737,368 km (0.11 R)
• M3: 1,231,340 km (0.098 R)
• M4: 1,811,181 km (0.1 R)
• M5: 2,437,548 km (0.103 R)
• M6: 3,907,796 km (0.099 R)
• M7: 5,073,462 km (0.1 R)
• M8: 5,737,826 km (0.12 R)
• M9: 6,204,123 km (0.095 R)
• M10: 6,856,220 km (0.103 R)
• M11: 7,669,733 km (0.087 R)
• M12: 8,145,604 km (0.04 R)
• M13: 8,800,244 km (0.062 R)
• M14: 11,201,290 km (0.08 R)
• M15: 12,011,662 km (0.088 R)
• M16: 12,614,242 km (0.119 R)
• M17: 13,491,634 km (0.105 R)
• M18: 15,555,785 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 13.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.62 AU - 2.62 AU

Year: 2696 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,323,166 km

• M1: 164,258 km (0.09 R)
• M2: 584,329 km (0.081 R)
• M3: 1,531,433 km (0.063 R)
• M4: 2,534,188 km (0.093 R)
• M5: 3,479,946 km (0.109 R)
• M6: 4,503,195 km (0.111 R)
• M7: 6,108,829 km (0.049 R)
• M8: 6,752,549 km (0.101 R)
• M9: 8,068,412 km (0.091 R)
• M10: 8,873,099 km (0.077 R)
• M11: 10,513,439 km (0.076 R)
• M12: 11,337,873 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 9.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.18 AU - 3.74 AU

Year: 4092 Days

Day: 6.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,323,166 km

• M1: 134,040 km (0.09 R)
• M2: 437,723 km (0.099 R)
• M3: 785,538 km (0.098 R)
• M4: 1,173,595 km (0.09 R)
• M5: 1,722,769 km (0.113 R)
• M6: 2,213,899 km (0.062 R)
• M7: 3,664,998 km (0.109 R)
• M8: 4,059,338 km (0.1 R)
• M9: 4,749,134 km (0.107 R)
• M10: 5,170,252 km (0.047 R)
• M11: 5,744,708 km (0.083 R)
• M12: 6,472,801 km (0.106 R)
• M13: 6,815,529 km (0.089 R)
• M14: 7,352,436 km (0.101 R)
• M15: 8,784,237 km (0.041 R)
• M16: 10,548,744 km (0.066 R)
• M17: 11,024,465 km (0.113 R)
• M18: 12,626,060 km (0.105 R)
• M19: 12,982,103 km (0.034 R)
• M20: 13,667,710 km (0.111 R)
• M21: 13,995,778 km (0.11 R)
• M22: 15,111,180 km (0.093 R)
• M23: 18,129,317 km (0.084 R)
• M24: 19,102,003 km (0.102 R)
• M25: 19,571,590 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.7

Radius: 6.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.84 AU - 7.3 AU

Year: 11953 Days

Day: 19.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,323,166 km

• M1: 84,523 km (0.113 R)
• M2: 692,489 km (0.105 R)
• M3: 933,790 km (0.117 R)
• M4: 1,361,789 km (0.118 R)
• M5: 2,398,652 km (0.112 R)
• M6: 2,805,409 km (0.11 R)
• M7: 3,451,073 km (0.081 R)
• M8: 4,982,507 km (0.08 R)
• M9: 5,240,713 km (0.049 R)
• M10: 5,507,894 km (0.068 R)
• M11: 6,215,792 km (0.114 R)
• M12: 6,730,857 km (0.068 R)
• M13: 6,951,065 km (0.082 R)
• M14: 7,273,897 km (0.096 R)
• M15: 8,267,227 km (0.055 R)
• M16: 9,504,102 km (0.106 R)
• M17: 10,859,609 km (0.109 R)
• M18: 16,761,245 km (0.094 R)
• M19: 18,729,653 km (0.07 R)
• M20: 21,451,138 km (0.109 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 16,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit