🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 8.1

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.76 AU - 0.78 AU

Year: 458 Days

Day: 5.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,919,977 km

• M1: 100,679 km (0.109 R)
• M2: 381,624 km (0.054 R)
• M3: 957,277 km (0.091 R)
• M4: 1,385,127 km (0.103 R)
• M5: 2,059,215 km (0.11 R)
• M6: 2,579,366 km (0.108 R)
• M7: 2,925,536 km (0.09 R)
• M8: 3,237,597 km (0.096 R)
• M9: 3,606,505 km (0.096 R)
• M10: 4,389,052 km (0.079 R)
• M11: 4,673,587 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.3

Radius: 10.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.76 AU - 0.78 AU

Year: 458 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,919,977 km

• M1: 130,599 km (0.116 R)
• M2: 503,247 km (0.09 R)
• M3: 984,055 km (0.108 R)
• M4: 1,334,862 km (0.094 R)
• M5: 1,713,644 km (0.104 R)
• M6: 2,317,570 km (0.074 R)
• M7: 2,821,865 km (0.095 R)
• M8: 3,679,060 km (0.05 R)
• M9: 4,026,127 km (0.087 R)
• M10: 4,408,948 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 12.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.01 AU - 1.31 AU

Year: 847 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,919,977 km

• M1: 154,385 km (0.086 R)
• M2: 736,919 km (0.102 R)
• M3: 1,142,928 km (0.117 R)
• M4: 1,783,655 km (0.118 R)
• M5: 2,267,754 km (0.117 R)
• M6: 2,764,419 km (0.069 R)
• M7: 3,549,658 km (0.057 R)
• M8: 4,392,493 km (0.088 R)
• M9: 5,305,638 km (0.097 R)
• M10: 6,563,906 km (0.028 R)
• M11: 9,344,781 km (0.089 R)
• M12: 10,079,306 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 12.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.6 AU - 2.04 AU

Year: 1665 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,919,977 km

• M1: 160,519 km (0.119 R)
• M2: 708,795 km (0.073 R)
• M3: 1,736,083 km (0.088 R)
• M4: 2,189,963 km (0.031 R)
• M5: 2,747,066 km (0.101 R)
• M6: 4,709,790 km (0.091 R)
• M7: 6,592,180 km (0.117 R)
• M8: 7,451,919 km (0.106 R)
• M9: 8,959,865 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.9

Radius: 8.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.14 AU - 3.3 AU

Year: 3043 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,919,977 km

• M1: 112,198 km (0.084 R)
• M2: 441,314 km (0.078 R)
• M3: 951,143 km (0.096 R)
• M4: 1,415,944 km (0.095 R)
• M5: 1,752,240 km (0.099 R)
• M6: 2,850,737 km (0.087 R)
• M7: 3,130,485 km (0.107 R)
• M8: 3,804,124 km (0.117 R)
• M9: 4,269,523 km (0.061 R)
• M10: 4,933,139 km (0.116 R)
• M11: 5,844,340 km (0.062 R)
• M12: 7,339,571 km (0.079 R)
• M13: 8,029,516 km (0.094 R)
• M14: 8,796,504 km (0.077 R)
• M15: 12,016,000 km (0.051 R)
• M16: 12,532,262 km (0.111 R)
• M17: 12,884,565 km (0.062 R)
• M18: 14,217,782 km (0.074 R)
• M19: 15,139,604 km (0.051 R)
• M20: 18,368,973 km (0.074 R)
• M21: 18,996,536 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 11.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.41 AU - 3.37 AU

Year: 3332 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,919,977 km

• M1: 146,456 km (0.056 R)
• M2: 564,582 km (0.107 R)
• M3: 934,987 km (0.119 R)
• M4: 1,383,930 km (0.037 R)
• M5: 1,873,115 km (0.063 R)
• M6: 2,249,054 km (0.089 R)
• M7: 2,995,847 km (0.113 R)
• M8: 3,977,658 km (0.085 R)
• M9: 4,650,100 km (0.078 R)
• M10: 5,420,828 km (0.096 R)
• M11: 5,938,138 km (0.105 R)
• M12: 7,274,346 km (0.088 R)
• M13: 7,690,677 km (0.091 R)
• M14: 8,801,740 km (0.065 R)
• M15: 9,413,296 km (0.025 R)
• M16: 9,800,904 km (0.08 R)
• M17: 10,797,675 km (0.099 R)
• M18: 12,106,357 km (0.119 R)
• M19: 12,565,174 km (0.093 R)
• M20: 13,035,659 km (0.105 R)
• M21: 15,421,147 km (0.104 R)
• M22: 15,960,896 km (0.066 R)
• M23: 16,922,661 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 8.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.79 AU - 5.27 AU

Year: 6539 Days

Day: 10.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,919,977 km

• M1: 341,083 km (0.064 R)
• M2: 1,343,688 km (0.114 R)
• M3: 3,319,726 km (0.089 R)
• M4: 4,732,828 km (0.115 R)
• M5: 6,672,813 km (0.036 R)
• M6: 8,690,888 km (0.095 R)
• M7: 12,580,134 km (0.061 R)
• M8: 14,023,005 km (0.119 R)
• M9: 14,760,971 km (0.052 R)
• M10: 16,264,131 km (0.098 R)
• M11: 17,078,542 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit