🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 10.3

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.59 AU - 0.75 AU

Year: 366 Days

Day: 6.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,401,797 km

• M1: 128,056 km (0.117 R)
• M2: 472,280 km (0.079 R)
• M3: 993,180 km (0.077 R)
• M4: 1,469,949 km (0.044 R)
• M5: 2,644,591 km (0.11 R)
• M6: 3,122,257 km (0.096 R)
• M7: 3,609,049 km (0.097 R)
• M8: 4,332,055 km (0.075 R)
• M9: 5,073,163 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 14.7

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.16 AU - 1.3 AU

Year: 910 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,401,797 km

• M1: 182,809 km (0.096 R)
• M2: 679,922 km (0.1 R)
• M3: 1,340,098 km (0.092 R)
• M4: 1,934,001 km (0.077 R)
• M5: 2,620,805 km (0.115 R)
• M6: 5,334,510 km (0.12 R)
• M7: 6,877,164 km (0.06 R)
• M8: 7,365,152 km (0.1 R)
• M9: 9,725,208 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.5

Radius: 10

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.46 AU - 2.12 AU

Year: 1597 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,401,797 km

• M1: 124,316 km (0.104 R)
• M2: 633,248 km (0.063 R)
• M3: 1,091,765 km (0.097 R)
• M4: 1,476,381 km (0.076 R)
• M5: 2,071,781 km (0.106 R)
• M6: 2,488,561 km (0.109 R)
• M7: 3,639,267 km (0.083 R)
• M8: 5,113,255 km (0.049 R)
• M9: 5,609,023 km (0.115 R)
• M10: 6,473,549 km (0.089 R)
• M11: 8,554,305 km (0.093 R)
• M12: 8,884,318 km (0.107 R)
• M13: 9,569,776 km (0.059 R)
• M14: 10,425,027 km (0.095 R)
• M15: 12,324,920 km (0.063 R)
• M16: 13,376,892 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 12.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.59 AU - 5.03 AU

Year: 5967 Days

Day: 8.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,401,797 km

• M1: 150,495 km (0.044 R)
• M2: 608,115 km (0.08 R)
• M3: 1,079,049 km (0.07 R)
• M4: 4,299,443 km (0.106 R)
• M5: 7,301,423 km (0.108 R)
• M6: 9,686,911 km (0.067 R)
• M7: 10,876,064 km (0.07 R)
• M8: 13,221,909 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 11.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.36 AU - 6.1 AU

Year: 9147 Days

Day: 7.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,401,797 km

• M1: 147,354 km (0.115 R)
• M2: 590,463 km (0.08 R)
• M3: 1,145,321 km (0.063 R)
• M4: 1,637,349 km (0.042 R)
• M5: 2,068,639 km (0.107 R)
• M6: 2,652,370 km (0.109 R)
• M7: 3,869,050 km (0.107 R)
• M8: 5,363,682 km (0.099 R)
• M9: 6,435,401 km (0.119 R)
• M10: 7,367,845 km (0.108 R)
• M11: 8,431,037 km (0.057 R)
• M12: 10,116,706 km (0.096 R)
• M13: 18,109,869 km (0.11 R)
• M14: 20,424,148 km (0.088 R)
• M15: 22,845,390 km (0.105 R)
• M16: 25,182,857 km (0.029 R)
• M17: 26,271,181 km (0.09 R)
• M18: 29,525,234 km (0.117 R)
• M19: 33,038,839 km (0.036 R)
• M20: 38,105,270 km (0.036 R)
• M21: 42,134,240 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.3

Radius: 5.6

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.57 AU - 7.49 AU

Year: 12430 Days

Day: 23.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,401,797 km

• M1: 69,713 km (0.118 R)
• M2: 482,004 km (0.088 R)
• M3: 1,010,833 km (0.05 R)
• M4: 1,306,737 km (0.078 R)
• M5: 1,628,672 km (0.119 R)
• M6: 1,933,253 km (0.096 R)
• M7: 2,677,652 km (0.112 R)
• M8: 3,150,082 km (0.069 R)
• M9: 3,393,777 km (0.11 R)
• M10: 5,468,251 km (0.071 R)
• M11: 5,821,003 km (0.089 R)
• M12: 6,930,271 km (0.106 R)
• M13: 7,816,638 km (0.079 R)
• M14: 9,558,556 km (0.107 R)
• M15: 10,817,572 km (0.065 R)
• M16: 12,183,251 km (0.116 R)
• M17: 12,481,549 km (0.038 R)
• M18: 13,405,914 km (0.05 R)
• M19: 16,235,857 km (0.109 R)
• M20: 20,595,588 km (0.052 R)
• M21: 23,868,041 km (0.062 R)
• M22: 25,871,456 km (0.099 R)
• M23: 26,364,381 km (0.103 R)
• M24: 29,561,886 km (0.108 R)
• M25: 29,992,428 km (0.096 R)
• M26: 30,318,103 km (0.106 R)
• M27: 34,293,367 km (0.116 R)
• M28: 36,467,024 km (0.119 R)
• M29: 41,622,616 km (0.09 R)
• M30: 44,233,248 km (0.065 R)
• M31: 45,793,404 km (0.077 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 11,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit