🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 12.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.17 AU - 1.33 AU

Year: 902 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,609,293 km

• M1: 150,495 km (0.112 R)
• M2: 830,268 km (0.046 R)
• M3: 1,570,030 km (0.09 R)
• M4: 2,553,336 km (0.118 R)
• M5: 3,054,041 km (0.102 R)
• M6: 3,655,424 km (0.08 R)
• M7: 4,060,834 km (0.053 R)
• M8: 4,804,036 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.6

Radius: 13.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.4 AU - 1.56 AU

Year: 1163 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,609,293 km

• M1: 169,195 km (0.108 R)
• M2: 698,772 km (0.046 R)
• M3: 1,187,807 km (0.109 R)
• M4: 1,745,658 km (0.088 R)
• M5: 2,359,607 km (0.087 R)
• M6: 2,939,748 km (0.101 R)
• M7: 4,455,473 km (0.031 R)
• M8: 5,038,456 km (0.035 R)
• M9: 6,463,825 km (0.069 R)
• M10: 6,964,529 km (0.106 R)
• M11: 7,397,615 km (0.086 R)
• M12: 7,970,575 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.4

Radius: 8.1

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.63 AU - 1.69 AU

Year: 1381 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,609,293 km

• M1: 101,128 km (0.107 R)
• M2: 361,578 km (0.095 R)
• M3: 665,711 km (0.117 R)
• M4: 996,920 km (0.069 R)
• M5: 1,539,811 km (0.088 R)
• M6: 2,165,130 km (0.094 R)
• M7: 2,800,173 km (0.053 R)
• M8: 3,383,904 km (0.052 R)
• M9: 3,680,706 km (0.084 R)
• M10: 4,363,171 km (0.105 R)
• M11: 4,830,814 km (0.106 R)
• M12: 5,249,090 km (0.116 R)
• M13: 5,756,526 km (0.038 R)
• M14: 6,698,693 km (0.111 R)
• M15: 7,270,307 km (0.052 R)
• M16: 8,174,327 km (0.118 R)
• M17: 9,241,109 km (0.027 R)
• M18: 10,561,460 km (0.076 R)
• M19: 11,198,298 km (0.118 R)
• M20: 11,683,893 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 13.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.61 AU - 3.05 AU

Year: 3074 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,609,293 km

• M1: 169,195 km (0.03 R)
• M2: 677,678 km (0.1 R)
• M3: 1,187,957 km (0.112 R)
• M4: 2,088,835 km (0.11 R)
• M5: 3,141,705 km (0.118 R)
• M6: 3,670,085 km (0.062 R)
• M7: 4,119,776 km (0.119 R)
• M8: 4,691,090 km (0.081 R)
• M9: 5,744,857 km (0.091 R)
• M10: 6,275,930 km (0.052 R)
• M11: 8,639,427 km (0.074 R)
• M12: 13,025,636 km (0.109 R)
• M13: 13,634,350 km (0.068 R)
• M14: 14,398,945 km (0.085 R)
• M15: 14,955,748 km (0.033 R)
• M16: 15,575,083 km (0.101 R)
• M17: 17,588,670 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.7

Radius: 6.9

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.89 AU - 8.09 AU

Year: 11932 Days

Day: 17.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,609,293 km

• M1: 85,869 km (0.116 R)
• M2: 653,743 km (0.102 R)
• M3: 930,648 km (0.098 R)
• M4: 1,247,347 km (0.096 R)
• M5: 2,403,888 km (0.074 R)
• M6: 4,324,725 km (0.079 R)
• M7: 10,257,477 km (0.1 R)
• M8: 11,246,469 km (0.081 R)
• M9: 12,118,026 km (0.083 R)
• M10: 12,418,269 km (0.106 R)
• M11: 12,662,113 km (0.106 R)
• M12: 14,392,213 km (0.082 R)
• M13: 15,002,422 km (0.094 R)
• M14: 15,488,765 km (0.107 R)
• M15: 19,765,619 km (0.032 R)
• M16: 23,354,172 km (0.075 R)
• M17: 26,540,607 km (0.028 R)
• M18: 26,945,568 km (0.025 R)
• M19: 36,679,752 km (0.089 R)
• M20: 51,912,855 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.9

Radius: 4

Gravity: 32.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.44 AU - 9.54 AU

Year: 18876 Days

Day: 16.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,609,293 km

• M1: 49,816 km (0.1 R)
• M2: 657,333 km (0.089 R)
• M3: 1,028,635 km (0.101 R)
• M4: 2,130,124 km (0.081 R)
• M5: 2,552,140 km (0.083 R)
• M6: 3,789,164 km (0.058 R)
• M7: 4,120,673 km (0.094 R)
• M8: 5,490,691 km (0.057 R)
• M9: 6,074,571 km (0.075 R)
• M10: 7,319,076 km (0.088 R)
• M11: 9,847,130 km (0.11 R)
• M12: 10,414,405 km (0.118 R)
• M13: 10,943,383 km (0.075 R)
• M14: 12,054,596 km (0.101 R)
• M15: 15,009,454 km (0.103 R)
• M16: 17,092,155 km (0.114 R)
• M17: 24,481,243 km (0.078 R)
• M18: 27,682,637 km (0.042 R)
• M19: 29,267,776 km (0.074 R)
• M20: 32,124,198 km (0.084 R)
• M21: 42,681,469 km (0.109 R)
• M22: 42,829,870 km (0.066 R)
• M23: 48,733,601 km (0.044 R)
• M24: 52,387,529 km (0.059 R)
• M25: 53,242,780 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 18,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit