🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.3

Radius: 11.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.04 AU - 1.24 AU

Year: 798 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,115,505 km

• M1: 146,756 km (0.104 R)
• M2: 519,553 km (0.089 R)
• M3: 1,236,277 km (0.1 R)
• M4: 1,977,235 km (0.079 R)
• M5: 2,346,742 km (0.115 R)
• M6: 3,031,302 km (0.079 R)
• M7: 3,974,516 km (0.086 R)
• M8: 4,522,643 km (0.05 R)
• M9: 5,225,603 km (0.032 R)
• M10: 6,557,772 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 8.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.88 AU - 2.04 AU

Year: 1800 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,115,505 km

• M1: 102,026 km (0.111 R)
• M2: 597,943 km (0.094 R)
• M3: 1,043,296 km (0.057 R)
• M4: 1,374,655 km (0.086 R)
• M5: 1,795,922 km (0.069 R)
• M6: 2,626,789 km (0.096 R)
• M7: 3,561,776 km (0.099 R)
• M8: 3,843,917 km (0.096 R)
• M9: 4,105,414 km (0.068 R)
• M10: 4,434,679 km (0.093 R)
• M11: 5,552,175 km (0.086 R)
• M12: 6,872,077 km (0.072 R)
• M13: 7,154,069 km (0.091 R)
• M14: 7,417,212 km (0.06 R)
• M15: 8,103,417 km (0.119 R)
• M16: 8,505,836 km (0.048 R)
• M17: 9,012,374 km (0.094 R)
• M18: 9,319,499 km (0.105 R)
• M19: 9,987,453 km (0.119 R)
• M20: 11,597,874 km (0.084 R)
• M21: 11,998,348 km (0.093 R)
• M22: 12,258,050 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.5

Radius: 13

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.12 AU - 2.34 AU

Year: 2185 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,115,505 km

• M1: 161,715 km (0.089 R)
• M2: 947,553 km (0.076 R)
• M3: 1,530,087 km (0.106 R)
• M4: 2,017,178 km (0.026 R)
• M5: 2,959,644 km (0.096 R)
• M6: 4,879,434 km (0.054 R)
• M7: 6,619,556 km (0.111 R)
• M8: 7,151,825 km (0.082 R)
• M9: 8,892,247 km (0.081 R)
• M10: 10,221,873 km (0.099 R)
• M11: 10,899,850 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 9.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.36 AU - 2.4 AU

Year: 2409 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,115,505 km

• M1: 122,371 km (0.084 R)
• M2: 533,167 km (0.069 R)
• M3: 1,504,207 km (0.046 R)
• M4: 3,800,684 km (0.111 R)
• M5: 5,049,826 km (0.105 R)
• M6: 8,392,441 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 13.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.86 AU - 3.04 AU

Year: 2516 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,115,505 km

• M1: 165,605 km (0.104 R)
• M2: 765,193 km (0.103 R)
• M3: 1,216,530 km (0.105 R)
• M4: 1,716,935 km (0.111 R)
• M5: 2,205,222 km (0.045 R)
• M6: 3,556,390 km (0.081 R)
• M7: 4,260,697 km (0.028 R)
• M8: 5,580,150 km (0.107 R)
• M9: 6,714,102 km (0.107 R)
• M10: 7,251,757 km (0.097 R)
• M11: 8,047,617 km (0.065 R)
• M12: 8,928,599 km (0.088 R)
• M13: 9,435,736 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 13.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.82 AU - 2.84 AU

Year: 3123 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,115,505 km

• M1: 169,195 km (0.093 R)
• M2: 658,829 km (0.097 R)
• M3: 1,756,129 km (0.033 R)
• M4: 2,466,270 km (0.047 R)
• M5: 3,268,863 km (0.116 R)
• M6: 4,373,344 km (0.099 R)
• M7: 5,162,772 km (0.039 R)
• M8: 5,659,138 km (0.07 R)
• M9: 6,687,922 km (0.067 R)
• M10: 7,408,087 km (0.093 R)
• M11: 7,837,732 km (0.099 R)
• M12: 8,567,021 km (0.106 R)
• M13: 10,818,320 km (0.075 R)
• M14: 11,416,113 km (0.114 R)
• M15: 11,856,529 km (0.069 R)
• M16: 13,055,107 km (0.089 R)
• M17: 15,265,416 km (0.119 R)
• M18: 18,246,751 km (0.11 R)
• M19: 20,160,108 km (0.073 R)
• M20: 22,822,202 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 8.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.5 AU - 3.94 AU

Year: 3790 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,115,505 km

• M1: 112,647 km (0.055 R)
• M2: 642,523 km (0.066 R)
• M3: 939,175 km (0.103 R)
• M4: 1,847,833 km (0.026 R)
• M5: 2,468,514 km (0.069 R)
• M6: 3,556,241 km (0.112 R)
• M7: 3,969,430 km (0.114 R)
• M8: 4,454,725 km (0.078 R)
• M9: 4,870,907 km (0.08 R)
• M10: 7,073,885 km (0.119 R)
• M11: 8,612,050 km (0.116 R)
• M12: 12,056,541 km (0.082 R)
• M13: 13,928,759 km (0.082 R)
• M14: 14,236,481 km (0.061 R)
• M15: 15,748,916 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.1

Radius: 9.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.7 AU - 3.92 AU

Year: 3950 Days

Day: 5.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,115,505 km

• M1: 122,072 km (0.11 R)
• M2: 437,424 km (0.066 R)
• M3: 1,048,831 km (0.086 R)
• M4: 1,582,895 km (0.109 R)
• M5: 2,126,085 km (0.066 R)
• M6: 3,250,163 km (0.062 R)
• M7: 3,781,086 km (0.104 R)
• M8: 4,281,341 km (0.051 R)
• M9: 4,872,552 km (0.098 R)
• M10: 5,338,250 km (0.025 R)
• M11: 6,023,558 km (0.114 R)
• M12: 8,060,333 km (0.051 R)
• M13: 9,216,126 km (0.068 R)
• M14: 11,131,129 km (0.053 R)
• M15: 11,509,761 km (0.071 R)
• M16: 12,027,968 km (0.098 R)
• M17: 13,724,258 km (0.097 R)
• M18: 14,307,092 km (0.036 R)
• M19: 18,859,804 km (0.111 R)
• M20: 20,758,799 km (0.103 R)
• M21: 21,397,731 km (0.107 R)
• M22: 21,983,856 km (0.11 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: 341 - 13,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit