🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 8.1

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.47 AU - 0.73 AU

Year: 321 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,406,216 km

• M1: 100,679 km (0.058 R)
• M2: 403,017 km (0.093 R)
• M3: 873,053 km (0.055 R)
• M4: 1,169,407 km (0.115 R)
• M5: 1,600,697 km (0.083 R)
• M6: 1,963,173 km (0.107 R)
• M7: 2,643,544 km (0.055 R)
• M8: 2,916,560 km (0.08 R)
• M9: 3,321,222 km (0.103 R)
• M10: 3,591,546 km (0.11 R)
• M11: 4,044,079 km (0.059 R)
• M12: 4,394,288 km (0.042 R)
• M13: 4,691,688 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.7

Radius: 13.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.23 AU - 1.71 AU

Year: 1230 Days

Day: 11.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,406,216 km

• M1: 176,974 km (0.062 R)
• M2: 671,246 km (0.074 R)
• M3: 1,104,032 km (0.051 R)
• M4: 1,757,925 km (0.072 R)
• M5: 2,523,716 km (0.088 R)
• M6: 3,437,460 km (0.114 R)
• M7: 4,000,696 km (0.064 R)
• M8: 5,020,355 km (0.048 R)
• M9: 7,067,901 km (0.048 R)
• M10: 7,550,055 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 8.9

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.74 AU - 4.16 AU

Year: 5419 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,406,216 km

• M1: 112,946 km (0.088 R)
• M2: 746,194 km (0.085 R)
• M3: 1,267,543 km (0.071 R)
• M4: 2,106,637 km (0.099 R)
• M5: 2,747,066 km (0.095 R)
• M6: 3,339,772 km (0.086 R)
• M7: 3,734,711 km (0.071 R)
• M8: 5,575,812 km (0.11 R)
• M9: 6,262,017 km (0.12 R)
• M10: 6,933,712 km (0.118 R)
• M11: 7,877,824 km (0.059 R)
• M12: 8,341,278 km (0.043 R)
• M13: 13,261,253 km (0.106 R)
• M14: 15,774,497 km (0.117 R)
• M15: 21,947,653 km (0.107 R)
• M16: 22,634,008 km (0.117 R)
• M17: 22,943,526 km (0.041 R)
• M18: 24,615,582 km (0.116 R)
• M19: 24,943,051 km (0.077 R)
• M20: 25,774,367 km (0.084 R)
• M21: 26,624,083 km (0.067 R)
• M22: 29,468,836 km (0.064 R)
• M23: 32,904,500 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 11.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.68 AU - 5.68 AU

Year: 6988 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,406,216 km

• M1: 147,354 km (0.055 R)
• M2: 774,917 km (0.098 R)
• M3: 1,542,055 km (0.034 R)
• M4: 2,507,560 km (0.093 R)
• M5: 3,060,623 km (0.09 R)
• M6: 4,344,173 km (0.114 R)
• M7: 4,769,928 km (0.096 R)
• M8: 6,015,181 km (0.066 R)
• M9: 6,576,023 km (0.055 R)
• M10: 6,979,638 km (0.102 R)
• M11: 7,399,859 km (0.029 R)
• M12: 8,434,627 km (0.05 R)
• M13: 11,754,503 km (0.106 R)
• M14: 13,161,022 km (0.089 R)
• M15: 14,313,075 km (0.114 R)
• M16: 14,887,232 km (0.118 R)
• M17: 16,817,344 km (0.069 R)
• M18: 19,410,174 km (0.082 R)
• M19: 19,984,929 km (0.108 R)
• M20: 20,505,231 km (0.082 R)
• M21: 23,386,635 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.8

Radius: 6.9

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.42 AU - 8.58 AU

Year: 12784 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,406,216 km

• M1: 85,869 km (0.104 R)
• M2: 764,744 km (0.117 R)
• M3: 1,246,749 km (0.108 R)
• M4: 1,983,219 km (0.097 R)
• M5: 3,384,353 km (0.109 R)
• M6: 3,718,255 km (0.118 R)
• M7: 4,542,689 km (0.103 R)
• M8: 5,800,059 km (0.089 R)
• M9: 6,744,321 km (0.091 R)
• M10: 7,149,432 km (0.098 R)
• M11: 7,527,615 km (0.095 R)
• M12: 7,831,149 km (0.112 R)
• M13: 12,737,062 km (0.05 R)
• M14: 13,230,735 km (0.107 R)
• M15: 14,721,178 km (0.113 R)
• M16: 15,333,782 km (0.057 R)
• M17: 15,751,459 km (0.093 R)
• M18: 18,575,418 km (0.119 R)
• M19: 19,532,994 km (0.115 R)
• M20: 20,945,347 km (0.07 R)
• M21: 23,326,198 km (0.08 R)
• M22: 24,440,103 km (0.064 R)
• M23: 25,202,155 km (0.114 R)
• M24: 27,788,104 km (0.095 R)
• M25: 33,597,288 km (0.089 R)
• M26: 34,777,167 km (0.044 R)
• M27: 36,474,953 km (0.103 R)
• M28: 38,866,574 km (0.117 R)
• M29: 44,520,326 km (0.115 R)
• M30: 49,783,030 km (0.119 R)
• M31: 51,780,909 km (0.039 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: 254 - 15,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit