🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 10.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.64 AU - 0.78 AU

Year: 380 Days

Day: 10.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,153,436 km

• M1: 134,339 km (0.09 R)
• M2: 489,185 km (0.098 R)
• M3: 844,480 km (0.067 R)
• M4: 1,262,157 km (0.063 R)
• M5: 1,859,202 km (0.119 R)
• M6: 2,445,476 km (0.093 R)
• M7: 2,838,769 km (0.112 R)
• M8: 3,422,350 km (0.113 R)
• M9: 3,916,921 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 14.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.23 AU - 1.33 AU

Year: 921 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,153,436 km

• M1: 181,612 km (0.098 R)
• M2: 641,924 km (0.066 R)
• M3: 1,208,900 km (0.104 R)
• M4: 1,691,354 km (0.046 R)
• M5: 2,219,584 km (0.052 R)
• M6: 2,733,602 km (0.09 R)
• M7: 3,398,714 km (0.114 R)
• M8: 4,236,911 km (0.042 R)
• M9: 5,037,559 km (0.092 R)
• M10: 5,707,757 km (0.032 R)
• M11: 6,303,905 km (0.096 R)
• M12: 7,373,978 km (0.064 R)
• M13: 9,345,229 km (0.086 R)
• M14: 9,993,886 km (0.108 R)
• M15: 10,484,417 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 10.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.42 AU - 2.32 AU

Year: 1626 Days

Day: 12 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,153,436 km

• M1: 131,197 km (0.041 R)
• M2: 603,328 km (0.091 R)
• M3: 968,197 km (0.075 R)
• M4: 1,383,032 km (0.099 R)
• M5: 2,017,327 km (0.082 R)
• M6: 3,675,470 km (0.12 R)
• M7: 4,688,248 km (0.105 R)
• M8: 5,152,001 km (0.089 R)
• M9: 6,115,711 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 14.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.2 AU - 3.66 AU

Year: 3189 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,153,436 km

• M1: 177,273 km (0.069 R)
• M2: 626,217 km (0.069 R)
• M3: 1,204,562 km (0.065 R)
• M4: 1,745,209 km (0.087 R)
• M5: 2,477,790 km (0.092 R)
• M6: 3,540,383 km (0.103 R)
• M7: 4,494,369 km (0.06 R)
• M8: 5,155,143 km (0.082 R)
• M9: 5,692,797 km (0.1 R)
• M10: 6,761,375 km (0.111 R)
• M11: 9,038,554 km (0.069 R)
• M12: 12,007,024 km (0.058 R)
• M13: 13,808,781 km (0.072 R)
• M14: 17,655,989 km (0.102 R)
• M15: 19,732,408 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.5

Radius: 8.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.83 AU - 5.55 AU

Year: 7518 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,153,436 km

• M1: 107,112 km (0.071 R)
• M2: 1,120,937 km (0.065 R)
• M3: 1,485,956 km (0.093 R)
• M4: 1,845,290 km (0.104 R)
• M5: 4,721,309 km (0.032 R)
• M6: 5,682,924 km (0.072 R)
• M7: 7,219,892 km (0.114 R)
• M8: 11,620,314 km (0.101 R)
• M9: 12,831,309 km (0.114 R)
• M10: 22,214,985 km (0.071 R)
• M11: 23,994,152 km (0.083 R)
• M12: 26,795,223 km (0.106 R)
• M13: 29,898,930 km (0.108 R)
• M14: 31,110,373 km (0.099 R)
• M15: 32,354,130 km (0.109 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535

Radius: 7.6

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.65 AU - 8.33 AU

Year: 11750 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,153,436 km

• M1: 94,845 km (0.05 R)
• M2: 582,085 km (0.045 R)
• M3: 997,219 km (0.112 R)
• M4: 1,527,993 km (0.08 R)
• M5: 2,074,174 km (0.116 R)
• M6: 3,095,030 km (0.1 R)
• M7: 3,451,073 km (0.116 R)
• M8: 3,781,385 km (0.028 R)
• M9: 4,049,764 km (0.118 R)
• M10: 5,123,278 km (0.115 R)
• M11: 7,193,563 km (0.08 R)
• M12: 8,756,263 km (0.117 R)
• M13: 9,179,924 km (0.059 R)
• M14: 11,284,766 km (0.106 R)
• M15: 12,129,395 km (0.06 R)
• M16: 14,456,689 km (0.102 R)
• M17: 15,182,389 km (0.087 R)
• M18: 17,801,997 km (0.057 R)
• M19: 21,376,189 km (0.028 R)
• M20: 30,010,679 km (0.094 R)
• M21: 33,869,856 km (0.106 R)
• M22: 34,330,916 km (0.088 R)
• M23: 35,265,753 km (0.111 R)
• M24: 36,820,674 km (0.114 R)
• M25: 41,495,757 km (0.057 R)
• M26: 44,592,881 km (0.04 R)
• M27: 45,705,291 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 20,168 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit