🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 13.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.73 AU - 1.03 AU

Year: 533 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,336,933 km

• M1: 164,109 km (0.084 R)
• M2: 576,550 km (0.105 R)
• M3: 1,339,200 km (0.083 R)
• M4: 1,757,775 km (0.106 R)
• M5: 3,062,717 km (0.108 R)
• M6: 3,604,261 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.8

Radius: 9.2

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.9 AU - 1.34 AU

Year: 765 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,336,933 km

• M1: 114,442 km (0.105 R)
• M2: 455,526 km (0.045 R)
• M3: 815,757 km (0.093 R)
• M4: 1,213,089 km (0.084 R)
• M5: 1,583,793 km (0.07 R)
• M6: 1,928,616 km (0.065 R)
• M7: 2,385,936 km (0.095 R)
• M8: 2,737,791 km (0.104 R)
• M9: 4,298,396 km (0.102 R)
• M10: 5,153,048 km (0.105 R)
• M11: 5,783,005 km (0.085 R)
• M12: 6,197,092 km (0.085 R)
• M13: 6,801,467 km (0.115 R)
• M14: 7,330,894 km (0.088 R)
• M15: 7,675,568 km (0.065 R)
• M16: 8,323,326 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 14.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.12 AU - 3.14 AU

Year: 2754 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,336,933 km

• M1: 175,478 km (0.098 R)
• M2: 637,586 km (0.114 R)
• M3: 1,102,088 km (0.116 R)
• M4: 1,769,743 km (0.096 R)
• M5: 2,517,134 km (0.11 R)
• M6: 4,226,140 km (0.114 R)
• M7: 6,525,908 km (0.103 R)
• M8: 7,620,964 km (0.081 R)
• M9: 8,212,923 km (0.057 R)
• M10: 9,194,584 km (0.094 R)
• M11: 11,560,774 km (0.1 R)
• M12: 14,308,438 km (0.094 R)
• M13: 16,366,157 km (0.054 R)
• M14: 18,034,023 km (0.101 R)
• M15: 18,614,463 km (0.084 R)
• M16: 19,447,873 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 8.1

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.15 AU - 4.47 AU

Year: 4802 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,336,933 km

• M1: 100,679 km (0.107 R)
• M2: 957,127 km (0.091 R)
• M3: 1,794,726 km (0.071 R)
• M4: 2,336,270 km (0.096 R)
• M5: 2,645,638 km (0.113 R)
• M6: 3,017,389 km (0.115 R)
• M7: 4,530,871 km (0.079 R)
• M8: 5,613,062 km (0.105 R)
• M9: 6,113,915 km (0.111 R)
• M10: 6,493,894 km (0.064 R)
• M11: 8,349,207 km (0.064 R)
• M12: 8,964,952 km (0.061 R)
• M13: 12,880,825 km (0.036 R)
• M14: 15,503,575 km (0.076 R)
• M15: 19,883,951 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 7.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.89 AU - 7.05 AU

Year: 10626 Days

Day: 21.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,336,933 km

• M1: 98,435 km (0.101 R)
• M2: 481,406 km (0.076 R)
• M3: 817,702 km (0.111 R)
• M4: 1,285,794 km (0.061 R)
• M5: 2,260,723 km (0.117 R)
• M6: 2,526,409 km (0.101 R)
• M7: 3,316,734 km (0.108 R)
• M8: 3,830,154 km (0.078 R)
• M9: 5,821,152 km (0.114 R)
• M10: 6,358,358 km (0.114 R)
• M11: 7,492,909 km (0.053 R)
• M12: 7,846,259 km (0.072 R)
• M13: 8,586,319 km (0.11 R)
• M14: 9,372,007 km (0.044 R)
• M15: 11,035,835 km (0.082 R)
• M16: 11,442,143 km (0.092 R)
• M17: 14,271,038 km (0.083 R)
• M18: 18,653,658 km (0.105 R)
• M19: 20,042,973 km (0.111 R)
• M20: 20,801,135 km (0.049 R)
• M21: 26,024,345 km (0.099 R)
• M22: 28,224,481 km (0.089 R)
• M23: 29,273,162 km (0.111 R)
• M24: 29,563,531 km (0.115 R)
• M25: 32,782,578 km (0.097 R)
• M26: 39,081,995 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.5

Radius: 8

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.21 AU - 11.49 AU

Year: 19960 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,336,933 km

• M1: 99,483 km (0.075 R)
• M2: 457,321 km (0.098 R)
• M3: 734,825 km (0.084 R)
• M4: 1,089,072 km (0.088 R)
• M5: 1,835,416 km (0.119 R)
• M6: 2,475,695 km (0.094 R)
• M7: 2,760,530 km (0.075 R)
• M8: 3,067,205 km (0.06 R)
• M9: 3,482,788 km (0.088 R)
• M10: 3,872,790 km (0.07 R)
• M11: 5,651,060 km (0.116 R)
• M12: 6,363,445 km (0.082 R)
• M13: 12,904,462 km (0.104 R)
• M14: 15,364,599 km (0.06 R)
• M15: 15,762,679 km (0.075 R)
• M16: 16,830,359 km (0.063 R)
• M17: 17,683,815 km (0.103 R)
• M18: 22,085,134 km (0.119 R)
• M19: 28,937,913 km (0.113 R)
• M20: 30,660,383 km (0.1 R)
• M21: 31,419,143 km (0.12 R)
• M22: 37,945,799 km (0.115 R)
• M23: 44,996,496 km (0.1 R)
• M24: 53,416,164 km (0.086 R)
• M25: 58,862,873 km (0.07 R)
• M26: 62,020,734 km (0.093 R)
• M27: 68,887,276 km (0.112 R)
• M28: 76,705,411 km (0.085 R)
• M29: 77,634,862 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 13,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit