🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.3

Radius: 13.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.67 AU - 1.05 AU

Year: 532 Days

Day: 8 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,102,314 km

• M1: 165,455 km (0.096 R)
• M2: 679,474 km (0.085 R)
• M3: 1,261,858 km (0.116 R)
• M4: 1,857,856 km (0.076 R)
• M5: 2,495,741 km (0.095 R)
• M6: 3,616,379 km (0.097 R)
• M7: 4,618,834 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 9.1

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.05 AU - 1.15 AU

Year: 769 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,102,314 km

• M1: 113,395 km (0.115 R)
• M2: 426,204 km (0.069 R)
• M3: 716,574 km (0.114 R)
• M4: 1,101,639 km (0.103 R)
• M5: 1,589,926 km (0.069 R)
• M6: 1,994,738 km (0.096 R)
• M7: 3,105,353 km (0.062 R)
• M8: 3,757,749 km (0.075 R)
• M9: 4,214,172 km (0.112 R)
• M10: 4,602,079 km (0.111 R)
• M11: 5,013,623 km (0.104 R)
• M12: 6,485,367 km (0.116 R)
• M13: 8,887,310 km (0.098 R)
• M14: 9,217,323 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 11.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.32 AU - 1.52 AU

Year: 1128 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,102,314 km

• M1: 147,204 km (0.102 R)
• M2: 795,711 km (0.054 R)
• M3: 1,320,052 km (0.083 R)
• M4: 1,680,582 km (0.088 R)
• M5: 2,654,165 km (0.106 R)
• M6: 3,199,749 km (0.09 R)
• M7: 3,879,073 km (0.116 R)
• M8: 4,269,673 km (0.107 R)
• M9: 5,622,486 km (0.114 R)
• M10: 5,981,072 km (0.08 R)
• M11: 6,700,489 km (0.072 R)
• M12: 7,595,832 km (0.117 R)
• M13: 7,985,534 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.3

Radius: 12.1

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.2 AU - 1.94 AU

Year: 1312 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,102,314 km

• M1: 150,495 km (0.066 R)
• M2: 568,173 km (0.055 R)
• M3: 1,012,329 km (0.054 R)
• M4: 1,426,117 km (0.119 R)
• M5: 1,811,032 km (0.092 R)
• M6: 3,753,411 km (0.065 R)
• M7: 4,134,287 km (0.109 R)
• M8: 4,560,042 km (0.086 R)
• M9: 5,457,181 km (0.052 R)
• M10: 6,967,670 km (0.111 R)
• M11: 7,573,542 km (0.077 R)
• M12: 8,533,212 km (0.075 R)
• M13: 9,351,662 km (0.113 R)
• M14: 10,188,662 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.28 AU - 2.38 AU

Year: 2372 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,102,314 km

• M1: 136,882 km (0.045 R)
• M2: 551,567 km (0.093 R)
• M3: 982,110 km (0.064 R)
• M4: 1,496,876 km (0.078 R)
• M5: 1,858,454 km (0.089 R)
• M6: 2,239,331 km (0.101 R)
• M7: 2,657,756 km (0.073 R)
• M8: 3,095,180 km (0.045 R)
• M9: 4,217,613 km (0.09 R)
• M10: 4,883,473 km (0.077 R)
• M11: 5,349,171 km (0.117 R)
• M12: 5,819,058 km (0.04 R)
• M13: 6,289,394 km (0.118 R)
• M14: 6,672,813 km (0.111 R)
• M15: 8,463,051 km (0.066 R)
• M16: 9,381,133 km (0.059 R)
• M17: 9,737,625 km (0.115 R)
• M18: 10,668,423 km (0.107 R)
• M19: 11,057,078 km (0.106 R)
• M20: 14,705,022 km (0.115 R)
• M21: 16,182,002 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 12.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.25 AU - 4.35 AU

Year: 4940 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,102,314 km

• M1: 156,180 km (0.1 R)
• M2: 586,274 km (0.067 R)
• M3: 1,026,690 km (0.044 R)
• M4: 1,603,689 km (0.064 R)
• M5: 2,407,030 km (0.072 R)
• M6: 3,703,445 km (0.106 R)
• M7: 6,030,141 km (0.095 R)
• M8: 6,965,576 km (0.114 R)
• M9: 7,720,447 km (0.119 R)
• M10: 8,241,646 km (0.059 R)
• M11: 9,947,510 km (0.042 R)
• M12: 10,948,171 km (0.069 R)
• M13: 12,014,953 km (0.071 R)
• M14: 17,450,741 km (0.06 R)
• M15: 17,986,900 km (0.098 R)
• M16: 21,033,909 km (0.083 R)
• M17: 21,983,856 km (0.105 R)
• M18: 23,318,418 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.7

Radius: 7.1

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.81 AU - 6.35 AU

Year: 9997 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,102,314 km

• M1: 88,263 km (0.105 R)
• M2: 321,635 km (0.069 R)
• M3: 733,628 km (0.038 R)
• M4: 1,172,698 km (0.086 R)
• M5: 1,479,673 km (0.099 R)
• M6: 1,872,217 km (0.119 R)
• M7: 3,161,452 km (0.046 R)
• M8: 4,614,496 km (0.028 R)
• M9: 5,625,329 km (0.063 R)
• M10: 6,465,620 km (0.112 R)
• M11: 7,769,964 km (0.099 R)
• M12: 9,586,232 km (0.09 R)
• M13: 10,094,116 km (0.075 R)
• M14: 10,889,229 km (0.077 R)
• M15: 13,399,780 km (0.085 R)
• M16: 15,024,114 km (0.119 R)
• M17: 16,486,433 km (0.09 R)
• M18: 20,594,840 km (0.104 R)
• M19: 24,673,326 km (0.062 R)
• M20: 26,901,288 km (0.074 R)
• M21: 29,365,314 km (0.03 R)
• M22: 30,652,005 km (0.1 R)
• M23: 31,530,444 km (0.108 R)
• M24: 34,501,308 km (0.101 R)
• M25: 36,054,433 km (0.045 R)
• M26: 37,156,670 km (0.078 R)
• M27: 37,528,870 km (0.079 R)
• M28: 38,788,035 km (0.096 R)
• M29: 40,597,721 km (0.105 R)
• M30: 43,279,711 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 4.9

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.78 AU - 7.22 AU

Year: 11051 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,102,314 km

• M1: 71,059 km (0.093 R)
• M2: 277,205 km (0.091 R)
• M3: 1,081,593 km (0.111 R)
• M4: 1,593,517 km (0.104 R)
• M5: 1,819,110 km (0.098 R)
• M6: 2,401,046 km (0.057 R)
• M7: 4,261,445 km (0.032 R)
• M8: 7,996,754 km (0.064 R)
• M9: 9,314,711 km (0.086 R)
• M10: 11,288,356 km (0.067 R)
• M11: 11,921,006 km (0.118 R)
• M12: 13,363,279 km (0.098 R)
• M13: 14,803,158 km (0.119 R)
• M14: 18,315,567 km (0.056 R)
• M15: 25,256,010 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit