🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 13.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.46 AU - 1.74 AU

Year: 1328 Days

Day: 11.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,795,673 km

• M1: 162,912 km (0.078 R)
• M2: 728,392 km (0.114 R)
• M3: 1,282,951 km (0.107 R)
• M4: 1,708,856 km (0.099 R)
• M5: 2,887,538 km (0.112 R)
• M6: 3,300,727 km (0.111 R)
• M7: 3,838,981 km (0.084 R)
• M8: 4,285,381 km (0.086 R)
• M9: 6,047,195 km (0.119 R)
• M10: 6,456,046 km (0.105 R)
• M11: 8,250,921 km (0.105 R)
• M12: 9,248,140 km (0.107 R)
• M13: 10,089,329 km (0.087 R)
• M14: 10,735,742 km (0.075 R)
• M15: 11,301,371 km (0.065 R)
• M16: 11,924,147 km (0.119 R)
• M17: 13,158,479 km (0.085 R)
• M18: 13,806,836 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 13

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.32 AU - 2.04 AU

Year: 1428 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,795,673 km

• M1: 161,715 km (0.108 R)
• M2: 580,440 km (0.094 R)
• M3: 1,048,681 km (0.086 R)
• M4: 1,640,640 km (0.09 R)
• M5: 2,192,955 km (0.03 R)
• M6: 2,811,542 km (0.102 R)
• M7: 3,446,436 km (0.082 R)
• M8: 4,028,820 km (0.104 R)
• M9: 4,859,088 km (0.057 R)
• M10: 5,662,130 km (0.066 R)
• M11: 6,401,442 km (0.116 R)
• M12: 7,367,246 km (0.094 R)
• M13: 7,842,369 km (0.069 R)
• M14: 8,792,914 km (0.091 R)
• M15: 9,232,133 km (0.113 R)
• M16: 10,395,107 km (0.106 R)
• M17: 11,728,323 km (0.113 R)
• M18: 12,222,894 km (0.104 R)
• M19: 12,691,734 km (0.039 R)
• M20: 13,832,717 km (0.112 R)
• M21: 14,601,500 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 11.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.72 AU - 3.46 AU

Year: 3563 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,795,673 km

• M1: 141,819 km (0.073 R)
• M2: 559,197 km (0.076 R)
• M3: 936,483 km (0.059 R)
• M4: 2,258,329 km (0.061 R)
• M5: 5,971,648 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.4

Radius: 4.5

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.24 AU - 7.12 AU

Year: 11326 Days

Day: 16.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,795,673 km

• M1: 56,847 km (0.111 R)
• M2: 197,469 km (0.1 R)
• M3: 483,201 km (0.092 R)
• M4: 731,683 km (0.1 R)
• M5: 954,434 km (0.081 R)
• M6: 1,266,645 km (0.071 R)
• M7: 1,685,519 km (0.099 R)
• M8: 1,934,749 km (0.098 R)
• M9: 2,580,862 km (0.098 R)
• M10: 2,733,452 km (0.111 R)
• M11: 2,994,201 km (0.116 R)
• M12: 3,473,363 km (0.067 R)
• M13: 4,052,606 km (0.092 R)
• M14: 4,392,044 km (0.034 R)
• M15: 4,750,032 km (0.095 R)
• M16: 5,157,237 km (0.115 R)
• M17: 5,493,084 km (0.072 R)
• M18: 5,746,503 km (0.111 R)
• M19: 10,982,877 km (0.101 R)
• M20: 11,796,989 km (0.063 R)
• M21: 15,520,031 km (0.109 R)
• M22: 20,031,005 km (0.11 R)
• M23: 24,997,655 km (0.117 R)
• M24: 26,400,883 km (0.093 R)
• M25: 28,321,121 km (0.055 R)
• M26: 33,263,835 km (0.094 R)
• M27: 33,472,673 km (0.099 R)
• M28: 34,104,575 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.2

Radius: 6.8

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.16 AU - 11.5 AU

Year: 18695 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,795,673 km

• M1: 84,672 km (0.111 R)
• M2: 343,028 km (0.119 R)
• M3: 597,494 km (0.068 R)
• M4: 1,315,115 km (0.079 R)
• M5: 1,910,514 km (0.068 R)
• M6: 2,505,465 km (0.103 R)
• M7: 3,190,025 km (0.067 R)
• M8: 5,034,567 km (0.101 R)
• M9: 5,419,033 km (0.091 R)
• M10: 6,290,441 km (0.104 R)
• M11: 7,299,927 km (0.111 R)
• M12: 7,944,993 km (0.078 R)
• M13: 15,002,422 km (0.055 R)
• M14: 17,216,172 km (0.038 R)
• M15: 18,355,958 km (0.059 R)
• M16: 26,043,344 km (0.058 R)
• M17: 45,169,880 km (0.11 R)
• M18: 51,139,883 km (0.117 R)
• M19: 62,154,624 km (0.12 R)
• M20: 65,449,667 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 14,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit