🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 10.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.49 AU - 0.53 AU

Year: 251 Days

Day: 14.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,149,725 km

• M1: 133,142 km (0.066 R)
• M2: 473,627 km (0.082 R)
• M3: 840,291 km (0.107 R)
• M4: 1,223,112 km (0.037 R)
• M5: 1,641,238 km (0.043 R)
• M6: 2,543,912 km (0.109 R)
• M7: 3,006,917 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 10.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.5 AU - 0.58 AU

Year: 274 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,149,725 km

• M1: 133,142 km (0.069 R)
• M2: 477,516 km (0.105 R)
• M3: 972,985 km (0.076 R)
• M4: 1,449,005 km (0.114 R)
• M5: 1,807,741 km (0.115 R)
• M6: 2,311,437 km (0.079 R)
• M7: 2,666,133 km (0.057 R)
• M8: 3,222,338 km (0.084 R)
• M9: 3,667,541 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170

Radius: 13

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.83 AU - 0.93 AU

Year: 570 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,149,725 km

• M1: 163,959 km (0.108 R)
• M2: 808,876 km (0.118 R)
• M3: 1,483,712 km (0.105 R)
• M4: 2,048,743 km (0.079 R)
• M5: 2,549,297 km (0.042 R)
• M6: 3,091,141 km (0.088 R)
• M7: 3,630,591 km (0.088 R)
• M8: 4,097,186 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 13.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.17 AU - 1.57 AU

Year: 1107 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,149,725 km

• M1: 165,455 km (0.081 R)
• M2: 600,037 km (0.119 R)
• M3: 1,066,633 km (0.085 R)
• M4: 1,809,835 km (0.083 R)
• M5: 2,355,269 km (0.066 R)
• M6: 2,937,653 km (0.034 R)
• M7: 3,361,015 km (0.102 R)
• M8: 3,796,794 km (0.114 R)
• M9: 4,270,570 km (0.094 R)
• M10: 4,733,875 km (0.089 R)
• M11: 5,266,593 km (0.039 R)
• M12: 7,465,233 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 9

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.18 AU - 1.56 AU

Year: 1107 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,149,725 km

• M1: 111,899 km (0.105 R)
• M2: 423,811 km (0.09 R)
• M3: 941,719 km (0.09 R)
• M4: 1,491,640 km (0.083 R)
• M5: 1,795,623 km (0.071 R)
• M6: 2,336,270 km (0.083 R)
• M7: 2,632,474 km (0.113 R)
• M8: 2,940,047 km (0.066 R)
• M9: 3,423,398 km (0.114 R)
• M10: 3,874,435 km (0.07 R)
• M11: 4,739,709 km (0.096 R)
• M12: 6,248,105 km (0.099 R)
• M13: 6,750,006 km (0.106 R)
• M14: 7,048,603 km (0.048 R)
• M15: 7,753,059 km (0.081 R)
• M16: 8,418,022 km (0.083 R)
• M17: 8,735,169 km (0.084 R)
• M18: 9,641,134 km (0.096 R)
• M19: 10,246,557 km (0.066 R)
• M20: 11,219,092 km (0.073 R)
• M21: 11,568,403 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.7

Radius: 14.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.31 AU - 2.07 AU

Year: 1516 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,149,725 km

• M1: 179,218 km (0.076 R)
• M2: 1,117,795 km (0.108 R)
• M3: 3,347,252 km (0.117 R)
• M4: 5,293,521 km (0.057 R)
• M5: 7,186,083 km (0.045 R)
• M6: 7,825,165 km (0.079 R)
• M7: 10,135,555 km (0.071 R)
• M8: 10,769,401 km (0.113 R)
• M9: 12,080,028 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 11.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.78 AU - 4.18 AU

Year: 4481 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,149,725 km

• M1: 147,952 km (0.071 R)
• M2: 564,134 km (0.11 R)
• M3: 1,125,574 km (0.064 R)
• M4: 1,530,237 km (0.062 R)
• M5: 2,074,474 km (0.079 R)
• M6: 2,486,017 km (0.072 R)
• M7: 2,969,967 km (0.093 R)
• M8: 3,825,218 km (0.041 R)
• M9: 4,242,296 km (0.094 R)
• M10: 5,142,876 km (0.094 R)
• M11: 6,196,194 km (0.102 R)
• M12: 7,125,197 km (0.033 R)
• M13: 7,691,575 km (0.084 R)
• M14: 8,468,885 km (0.099 R)
• M15: 10,556,823 km (0.091 R)
• M16: 11,293,891 km (0.085 R)
• M17: 13,016,660 km (0.075 R)
• M18: 14,748,405 km (0.082 R)
• M19: 16,116,328 km (0.113 R)
• M20: 17,152,443 km (0.097 R)
• M21: 20,197,807 km (0.113 R)
• M22: 23,009,200 km (0.058 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: 405 - 18,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit