🌌 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: 849.7

Radius: 13.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.48 AU - 0.72 AU

Year: 315 Days

Day: 11.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,836,234 km

• M1: 173,085 km (0.075 R)
• M2: 628,461 km (0.083 R)
• M3: 1,272,629 km (0.069 R)
• M4: 1,825,692 km (0.07 R)
• M5: 2,353,025 km (0.065 R)
• M6: 3,012,602 km (0.027 R)
• M7: 3,511,361 km (0.1 R)
• M8: 3,952,525 km (0.106 R)
• M9: 4,404,161 km (0.101 R)
• M10: 4,919,077 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 8.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.59 AU - 0.87 AU

Year: 423 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,836,234 km

• M1: 109,805 km (0.119 R)
• M2: 454,478 km (0.083 R)
• M3: 834,607 km (0.102 R)
• M4: 1,156,092 km (0.116 R)
• M5: 1,497,475 km (0.03 R)
• M6: 2,161,689 km (0.074 R)
• M7: 2,658,205 km (0.079 R)
• M8: 3,481,591 km (0.092 R)
• M9: 3,806,967 km (0.102 R)
• M10: 4,320,087 km (0.116 R)
• M11: 4,682,862 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899

Radius: 9

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.78 AU - 1.18 AU

Year: 658 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,836,234 km

• M1: 112,049 km (0.048 R)
• M2: 449,542 km (0.111 R)
• M3: 1,051,374 km (0.028 R)
• M4: 1,562,849 km (0.115 R)
• M5: 2,232,748 km (0.115 R)
• M6: 2,560,966 km (0.113 R)
• M7: 2,982,682 km (0.099 R)
• M8: 3,518,841 km (0.11 R)
• M9: 4,102,572 km (0.085 R)
• M10: 5,187,157 km (0.064 R)
• M11: 6,286,402 km (0.079 R)
• M12: 7,168,132 km (0.086 R)
• M13: 8,154,730 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 11.6

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.36 AU - 3.7 AU

Year: 3577 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,836,234 km

• M1: 144,362 km (0.084 R)
• M2: 1,650,813 km (0.058 R)
• M3: 2,081,355 km (0.065 R)
• M4: 3,115,675 km (0.086 R)
• M5: 4,354,345 km (0.064 R)
• M6: 4,748,835 km (0.118 R)
• M7: 5,459,724 km (0.106 R)
• M8: 8,218,608 km (0.085 R)
• M9: 9,335,506 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.6

Radius: 6.2

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.87 AU - 7.35 AU

Year: 12859 Days

Day: 19.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,836,234 km

• M1: 80,334 km (0.05 R)
• M2: 557,551 km (0.111 R)
• M3: 1,084,585 km (0.118 R)
• M4: 2,081,804 km (0.092 R)
• M5: 3,477,103 km (0.076 R)
• M6: 3,694,170 km (0.104 R)
• M7: 3,978,107 km (0.115 R)
• M8: 5,297,410 km (0.112 R)
• M9: 6,351,178 km (0.101 R)
• M10: 7,582,966 km (0.118 R)
• M11: 9,479,867 km (0.04 R)
• M12: 10,792,738 km (0.109 R)
• M13: 11,022,670 km (0.084 R)
• M14: 11,914,573 km (0.109 R)
• M15: 18,462,322 km (0.075 R)
• M16: 21,028,225 km (0.101 R)
• M17: 31,988,513 km (0.107 R)
• M18: 32,344,406 km (0.101 R)
• M19: 37,083,667 km (0.079 R)
• M20: 45,475,958 km (0.115 R)
• M21: 50,110,350 km (0.097 R)
• M22: 50,430,041 km (0.038 R)
• M23: 59,585,131 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158

Radius: 7.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.31 AU - 9.85 AU

Year: 20111 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,836,234 km

• M1: 100,530 km (0.082 R)
• M2: 443,558 km (0.083 R)
• M3: 727,046 km (0.103 R)
• M4: 1,145,172 km (0.075 R)
• M5: 1,544,000 km (0.069 R)
• M6: 2,259,526 km (0.032 R)
• M7: 2,912,371 km (0.096 R)
• M8: 3,813,100 km (0.115 R)
• M9: 5,396,294 km (0.057 R)
• M10: 9,358,693 km (0.046 R)
• M11: 10,810,541 km (0.069 R)
• M12: 12,814,703 km (0.112 R)
• M13: 14,407,771 km (0.079 R)
• M14: 17,038,449 km (0.046 R)
• M15: 20,940,112 km (0.04 R)
• M16: 22,191,947 km (0.107 R)
• M17: 22,966,714 km (0.105 R)
• M18: 27,112,669 km (0.101 R)
• M19: 31,087,634 km (0.095 R)
• M20: 32,057,178 km (0.116 R)
• M21: 32,384,797 km (0.111 R)
• M22: 39,041,903 km (0.092 R)
• M23: 39,415,598 km (0.112 R)
• M24: 39,666,025 km (0.046 R)
• M25: 44,628,486 km (0.102 R)
• M26: 46,556,353 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit