🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 14.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.49 AU - 0.73 AU

Year: 329 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,167,105 km

• M1: 181,612 km (0.097 R)
• M2: 638,334 km (0.073 R)
• M3: 1,168,210 km (0.088 R)
• M4: 1,668,764 km (0.102 R)
• M5: 2,307,248 km (0.08 R)
• M6: 2,969,069 km (0.034 R)
• M7: 3,577,035 km (0.057 R)
• M8: 4,132,342 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.4

Radius: 12

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.48 AU - 0.74 AU

Year: 329 Days

Day: 8.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 145.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,167,105 km

• M1: 149,299 km (0.106 R)
• M2: 593,904 km (0.111 R)
• M3: 1,043,595 km (0.055 R)
• M4: 1,484,310 km (0.075 R)
• M5: 2,305,602 km (0.09 R)
• M6: 3,673,974 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.7

Radius: 14.1

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,167,105 km

• M1: 175,478 km (0.098 R)
• M2: 671,545 km (0.061 R)
• M3: 1,217,427 km (0.104 R)
• M4: 1,790,986 km (0.108 R)
• M5: 2,502,473 km (0.109 R)
• M6: 3,167,137 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 14.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.86 AU - 0.92 AU

Year: 580 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,167,105 km

• M1: 185,501 km (0.095 R)
• M2: 709,543 km (0.085 R)
• M3: 1,485,357 km (0.082 R)
• M4: 3,007,964 km (0.1 R)
• M5: 3,856,633 km (0.105 R)
• M6: 4,758,409 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 10.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.86 AU - 1.06 AU

Year: 649 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,167,105 km

• M1: 131,796 km (0.102 R)
• M2: 462,407 km (0.119 R)
• M3: 957,726 km (0.098 R)
• M4: 1,395,000 km (0.095 R)
• M5: 2,124,739 km (0.111 R)
• M6: 2,870,933 km (0.04 R)
• M7: 3,298,633 km (0.098 R)
• M8: 4,020,443 km (0.107 R)
• M9: 4,395,036 km (0.11 R)
• M10: 4,861,482 km (0.116 R)
• M11: 5,953,247 km (0.089 R)
• M12: 7,156,463 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 8.3

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.25 AU - 1.69 AU

Year: 1230 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,167,105 km

• M1: 103,821 km (0.042 R)
• M2: 490,980 km (0.099 R)
• M3: 852,409 km (0.067 R)
• M4: 1,245,253 km (0.054 R)
• M5: 1,719,029 km (0.098 R)
• M6: 2,187,121 km (0.036 R)
• M7: 2,601,208 km (0.113 R)
• M8: 2,998,989 km (0.089 R)
• M9: 3,632,984 km (0.087 R)
• M10: 4,370,801 km (0.101 R)
• M11: 5,303,693 km (0.117 R)
• M12: 6,010,094 km (0.101 R)
• M13: 6,408,623 km (0.094 R)
• M14: 7,711,172 km (0.044 R)
• M15: 8,479,357 km (0.113 R)
• M16: 8,896,137 km (0.105 R)
• M17: 9,210,591 km (0.09 R)
• M18: 9,591,617 km (0.081 R)
• M19: 10,766,110 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 15

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.82 AU - 2.26 AU

Year: 2011 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,167,105 km

• M1: 193,729 km (0.073 R)
• M2: 726,597 km (0.117 R)
• M3: 1,257,370 km (0.091 R)
• M4: 2,338,664 km (0.066 R)
• M5: 3,508,519 km (0.075 R)
• M6: 3,976,461 km (0.085 R)
• M7: 5,520,461 km (0.102 R)
• M8: 6,468,462 km (0.067 R)
• M9: 9,972,194 km (0.096 R)
• M10: 11,929,084 km (0.079 R)
• M11: 12,414,978 km (0.086 R)
• M12: 13,211,287 km (0.1 R)
• M13: 14,629,475 km (0.098 R)
• M14: 17,096,194 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 11.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.06 AU - 5 AU

Year: 5584 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,167,105 km

• M1: 141,819 km (0.046 R)
• M2: 738,415 km (0.092 R)
• M3: 1,197,830 km (0.077 R)
• M4: 1,646,773 km (0.058 R)
• M5: 2,234,095 km (0.113 R)
• M6: 3,419,209 km (0.048 R)
• M7: 4,598,339 km (0.069 R)
• M8: 8,028,469 km (0.119 R)
• M9: 8,589,910 km (0.068 R)
• M10: 10,627,134 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 14,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit