🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 11.6

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.66 AU - 0.78 AU

Year: 429 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,537,516 km

• M1: 144,362 km (0.106 R)
• M2: 513,869 km (0.119 R)
• M3: 958,623 km (0.114 R)
• M4: 1,440,627 km (0.062 R)
• M5: 2,135,809 km (0.095 R)
• M6: 3,229,070 km (0.091 R)
• M7: 3,649,739 km (0.062 R)
• M8: 6,276,379 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 9.5

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 610 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,537,516 km

• M1: 119,977 km (0.062 R)
• M2: 454,778 km (0.065 R)
• M3: 1,012,628 km (0.076 R)
• M4: 1,514,379 km (0.116 R)
• M5: 2,299,319 km (0.118 R)
• M6: 2,845,052 km (0.086 R)
• M7: 3,259,289 km (0.107 R)
• M8: 4,078,038 km (0.072 R)
• M9: 4,481,653 km (0.114 R)
• M10: 4,813,910 km (0.065 R)
• M11: 5,581,945 km (0.114 R)
• M12: 6,853,078 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 10.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1.02 AU

Year: 651 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,537,516 km

• M1: 138,228 km (0.112 R)
• M2: 491,429 km (0.088 R)
• M3: 856,149 km (0.111 R)
• M4: 1,285,345 km (0.112 R)
• M5: 1,883,587 km (0.118 R)
• M6: 2,826,801 km (0.119 R)
• M7: 3,200,646 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.4

Radius: 14.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.59 AU - 1.61 AU

Year: 1423 Days

Day: 6.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,537,516 km

• M1: 184,604 km (0.094 R)
• M2: 695,032 km (0.095 R)
• M3: 1,297,911 km (0.071 R)
• M4: 2,226,166 km (0.053 R)
• M5: 2,710,713 km (0.07 R)
• M6: 4,125,610 km (0.107 R)
• M7: 5,257,617 km (0.11 R)
• M8: 5,919,887 km (0.044 R)
• M9: 6,787,704 km (0.119 R)
• M10: 8,160,713 km (0.109 R)
• M11: 9,330,270 km (0.12 R)
• M12: 9,808,983 km (0.101 R)
• M13: 10,472,749 km (0.105 R)
• M14: 13,312,266 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 14.5

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.35 AU - 1.95 AU

Year: 1490 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,537,516 km

• M1: 180,714 km (0.05 R)
• M2: 1,117,795 km (0.091 R)
• M3: 1,789,490 km (0.107 R)
• M4: 2,508,756 km (0.097 R)
• M5: 3,163,397 km (0.118 R)
• M6: 3,946,541 km (0.076 R)
• M7: 4,462,504 km (0.067 R)
• M8: 5,900,888 km (0.086 R)
• M9: 7,629,940 km (0.096 R)
• M10: 8,489,679 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 14.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.84 AU - 2.18 AU

Year: 2003 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,537,516 km

• M1: 186,100 km (0.114 R)
• M2: 710,291 km (0.08 R)
• M3: 2,062,955 km (0.09 R)
• M4: 2,682,888 km (0.088 R)
• M5: 3,801,282 km (0.096 R)
• M6: 5,375,051 km (0.104 R)
• M7: 6,088,484 km (0.036 R)
• M8: 7,233,356 km (0.114 R)
• M9: 8,778,553 km (0.106 R)
• M10: 10,759,976 km (0.039 R)
• M11: 12,768,029 km (0.071 R)
• M12: 13,285,039 km (0.082 R)
• M13: 14,041,555 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.1

Radius: 13.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.41 AU - 3.87 AU

Year: 3911 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,537,516 km

• M1: 166,652 km (0.051 R)
• M2: 631,303 km (0.04 R)
• M3: 1,204,861 km (0.093 R)
• M4: 1,790,238 km (0.07 R)
• M5: 2,282,714 km (0.099 R)
• M6: 2,954,259 km (0.105 R)
• M7: 3,776,149 km (0.044 R)
• M8: 4,218,510 km (0.086 R)
• M9: 4,720,411 km (0.036 R)
• M10: 5,618,298 km (0.101 R)
• M11: 6,817,025 km (0.065 R)
• M12: 7,579,825 km (0.106 R)
• M13: 8,288,769 km (0.079 R)
• M14: 9,275,966 km (0.026 R)
• M15: 11,393,374 km (0.084 R)
• M16: 12,468,683 km (0.112 R)
• M17: 14,338,806 km (0.119 R)
• M18: 15,816,983 km (0.074 R)
• M19: 18,314,968 km (0.097 R)
• M20: 20,997,258 km (0.058 R)
• M21: 21,689,148 km (0.111 R)
• M22: 23,485,819 km (0.08 R)
• M23: 24,458,354 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit