🌌 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: 939

Radius: 10.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.56 AU - 0.88 AU

Year: 394 Days

Day: 7.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,661,692 km

• M1: 131,796 km (0.052 R)
• M2: 512,522 km (0.095 R)
• M3: 1,051,374 km (0.1 R)
• M4: 1,522,757 km (0.026 R)
• M5: 1,956,142 km (0.057 R)
• M6: 2,376,213 km (0.032 R)
• M7: 2,740,932 km (0.072 R)
• M8: 3,672,628 km (0.112 R)
• M9: 4,163,159 km (0.041 R)
• M10: 4,637,384 km (0.12 R)
• M11: 5,163,221 km (0.071 R)
• M12: 6,134,111 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 10.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.77 AU - 1.05 AU

Year: 561 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 109.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,661,692 km

• M1: 135,536 km (0.043 R)
• M2: 768,185 km (0.056 R)
• M3: 1,966,913 km (0.116 R)
• M4: 3,155,468 km (0.115 R)
• M5: 3,639,118 km (0.094 R)
• M6: 4,006,680 km (0.084 R)
• M7: 4,399,075 km (0.067 R)
• M8: 4,832,610 km (0.115 R)
• M9: 5,544,995 km (0.05 R)
• M10: 6,251,994 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 11.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.94 AU - 1.96 AU

Year: 1758 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,661,692 km

• M1: 139,276 km (0.068 R)
• M2: 535,112 km (0.08 R)
• M3: 920,924 km (0.086 R)
• M4: 1,372,860 km (0.059 R)
• M5: 2,002,218 km (0.077 R)
• M6: 2,506,812 km (0.114 R)
• M7: 3,026,963 km (0.082 R)
• M8: 3,452,420 km (0.094 R)
• M9: 5,407,215 km (0.064 R)
• M10: 6,715,149 km (0.118 R)
• M11: 7,097,222 km (0.116 R)
• M12: 10,317,915 km (0.076 R)
• M13: 10,892,819 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.2

Radius: 13.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.19 AU - 2.53 AU

Year: 2341 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,661,692 km

• M1: 164,707 km (0.1 R)
• M2: 591,360 km (0.07 R)
• M3: 1,012,329 km (0.111 R)
• M4: 1,511,836 km (0.085 R)
• M5: 2,024,209 km (0.04 R)
• M6: 2,476,593 km (0.112 R)
• M7: 2,997,044 km (0.085 R)
• M8: 3,664,849 km (0.028 R)
• M9: 4,177,521 km (0.115 R)
• M10: 4,943,462 km (0.113 R)
• M11: 6,063,650 km (0.069 R)
• M12: 6,900,202 km (0.074 R)
• M13: 7,376,970 km (0.069 R)
• M14: 8,101,024 km (0.082 R)
• M15: 9,045,884 km (0.088 R)
• M16: 9,801,802 km (0.109 R)
• M17: 10,638,353 km (0.039 R)
• M18: 11,439,749 km (0.119 R)
• M19: 12,410,639 km (0.081 R)
• M20: 14,324,445 km (0.095 R)
• M21: 15,053,435 km (0.12 R)
• M22: 15,858,122 km (0.055 R)
• M23: 16,585,617 km (0.097 R)
• M24: 18,163,425 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.5

Radius: 7.4

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.48 AU - 7.46 AU

Year: 11881 Days

Day: 19.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,661,692 km

• M1: 94,695 km (0.081 R)
• M2: 488,437 km (0.102 R)
• M3: 784,042 km (0.057 R)
• M4: 1,094,159 km (0.095 R)
• M5: 2,330,136 km (0.096 R)
• M6: 3,050,151 km (0.055 R)
• M7: 4,048,866 km (0.039 R)
• M8: 4,921,920 km (0.072 R)
• M9: 5,250,436 km (0.072 R)
• M10: 6,872,825 km (0.071 R)
• M11: 7,158,857 km (0.091 R)
• M12: 9,487,946 km (0.1 R)
• M13: 10,960,587 km (0.055 R)
• M14: 16,141,311 km (0.064 R)
• M15: 22,571,925 km (0.069 R)
• M16: 30,525,146 km (0.11 R)
• M17: 31,746,763 km (0.074 R)
• M18: 33,232,120 km (0.044 R)
• M19: 37,460,504 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.2

Radius: 3.5

Gravity: 26.87 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.7 AU - 8.42 AU

Year: 12112 Days

Day: 23.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,661,692 km

• M1: 55,202 km (0.088 R)
• M2: 181,612 km (0.076 R)
• M3: 309,069 km (0.084 R)
• M4: 555,307 km (0.12 R)
• M5: 670,348 km (0.116 R)
• M6: 1,126,622 km (0.04 R)
• M7: 1,337,854 km (0.061 R)
• M8: 2,132,966 km (0.105 R)
• M9: 2,437,847 km (0.062 R)
• M10: 3,201,095 km (0.06 R)
• M11: 3,773,756 km (0.104 R)
• M12: 4,966,051 km (0.082 R)
• M13: 7,368,742 km (0.102 R)
• M14: 7,936,167 km (0.078 R)
• M15: 8,575,698 km (0.103 R)
• M16: 8,930,544 km (0.1 R)
• M17: 13,801,900 km (0.079 R)
• M18: 15,040,720 km (0.087 R)
• M19: 15,168,476 km (0.115 R)
• M20: 15,361,607 km (0.065 R)
• M21: 15,752,656 km (0.049 R)
• M22: 16,150,287 km (0.053 R)
• M23: 20,896,728 km (0.083 R)
• M24: 22,441,775 km (0.106 R)
• M25: 24,236,351 km (0.093 R)
• M26: 27,531,095 km (0.104 R)
• M27: 27,722,430 km (0.046 R)
• M28: 29,384,612 km (0.071 R)
• M29: 33,993,124 km (0.096 R)
• M30: 40,896,617 km (0.092 R)
• M31: 42,661,722 km (0.07 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: 462 - 12,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit