🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.9

Radius: 13.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,965,442 km

• M1: 166,652 km (0.088 R)
• M2: 602,730 km (0.068 R)
• M3: 1,203,216 km (0.078 R)
• M4: 1,663,528 km (0.075 R)
• M5: 2,243,070 km (0.062 R)
• M6: 2,756,341 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 13

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.81 AU

Year: 387 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,965,442 km

• M1: 161,715 km (0.071 R)
• M2: 580,141 km (0.079 R)
• M3: 1,248,843 km (0.034 R)
• M4: 1,910,514 km (0.1 R)
• M5: 2,516,236 km (0.092 R)
• M6: 2,989,265 km (0.1 R)
• M7: 3,400,808 km (0.043 R)
• M8: 4,719,065 km (0.09 R)
• M9: 5,184,314 km (0.118 R)
• M10: 5,595,409 km (0.075 R)
• M11: 6,081,752 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 14.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.01 AU - 1.68 AU

Year: 1071 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,965,442 km

• M1: 178,021 km (0.104 R)
• M2: 627,563 km (0.093 R)
• M3: 1,227,451 km (0.08 R)
• M4: 1,731,595 km (0.097 R)
• M5: 2,551,840 km (0.061 R)
• M6: 2,998,241 km (0.045 R)
• M7: 4,814,508 km (0.064 R)
• M8: 5,524,649 km (0.1 R)
• M9: 6,014,283 km (0.119 R)
• M10: 6,696,749 km (0.082 R)
• M11: 7,975,362 km (0.113 R)
• M12: 8,463,799 km (0.057 R)
• M13: 9,204,458 km (0.069 R)
• M14: 9,926,268 km (0.118 R)
• M15: 10,750,552 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 14.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.61 AU - 1.69 AU

Year: 1463 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,965,442 km

• M1: 180,265 km (0.073 R)
• M2: 779,405 km (0.096 R)
• M3: 1,465,910 km (0.109 R)
• M4: 1,983,668 km (0.059 R)
• M5: 2,884,995 km (0.065 R)
• M6: 3,714,066 km (0.047 R)
• M7: 4,177,221 km (0.086 R)
• M8: 5,458,078 km (0.117 R)
• M9: 5,931,855 km (0.097 R)
• M10: 6,591,581 km (0.106 R)
• M11: 7,672,725 km (0.109 R)
• M12: 8,484,144 km (0.1 R)
• M13: 10,278,571 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 8.9

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.74 AU - 2.56 AU

Year: 2176 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,965,442 km

• M1: 110,702 km (0.118 R)
• M2: 412,441 km (0.117 R)
• M3: 819,647 km (0.078 R)
• M4: 1,204,861 km (0.098 R)
• M5: 1,605,933 km (0.107 R)
• M6: 2,244,417 km (0.056 R)
• M7: 2,827,400 km (0.102 R)
• M8: 3,253,155 km (0.089 R)
• M9: 4,434,829 km (0.079 R)
• M10: 4,944,808 km (0.097 R)
• M11: 5,493,234 km (0.041 R)
• M12: 7,269,260 km (0.075 R)
• M13: 8,256,306 km (0.077 R)
• M14: 9,398,187 km (0.071 R)
• M15: 9,778,016 km (0.09 R)
• M16: 10,060,457 km (0.083 R)
• M17: 10,865,892 km (0.103 R)
• M18: 11,556,286 km (0.063 R)
• M19: 12,234,862 km (0.051 R)
• M20: 12,729,732 km (0.107 R)
• M21: 13,109,411 km (0.092 R)
• M22: 13,891,808 km (0.055 R)
• M23: 16,525,179 km (0.112 R)
• M24: 17,028,127 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.2

Radius: 12.7

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.1 AU - 3.28 AU

Year: 3045 Days

Day: 14.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,965,442 km

• M1: 157,975 km (0.116 R)
• M2: 1,001,857 km (0.073 R)
• M3: 1,503,159 km (0.08 R)
• M4: 2,701,139 km (0.094 R)
• M5: 3,579,578 km (0.112 R)
• M6: 5,630,864 km (0.112 R)
• M7: 6,878,660 km (0.1 R)
• M8: 8,616,987 km (0.107 R)
• M9: 9,195,183 km (0.112 R)
• M10: 10,032,332 km (0.068 R)
• M11: 10,469,757 km (0.115 R)
• M12: 12,666,452 km (0.064 R)
• M13: 15,103,401 km (0.094 R)
• M14: 15,891,632 km (0.091 R)
• M15: 19,382,798 km (0.082 R)
• M16: 20,125,402 km (0.06 R)
• M17: 21,015,509 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.4

Radius: 6.1

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.85 AU - 13.03 AU

Year: 23284 Days

Day: 19.2 Hours

Environment

Temp: -246 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,965,442 km

• M1: 76,295 km (0.057 R)
• M2: 1,842,747 km (0.054 R)
• M3: 2,254,739 km (0.102 R)
• M4: 2,795,386 km (0.095 R)
• M5: 4,010,869 km (0.058 R)
• M6: 5,360,391 km (0.088 R)
• M7: 17,748,591 km (0.074 R)
• M8: 20,735,611 km (0.112 R)
• M9: 22,018,862 km (0.097 R)
• M10: 25,047,171 km (0.105 R)
• M11: 38,426,008 km (0.041 R)
• M12: 48,253,092 km (0.066 R)
• M13: 60,360,946 km (0.074 R)
• M14: 61,097,566 km (0.055 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 13,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit