🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 8.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.09 AU - 1.45 AU

Year: 939 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,710,420 km

• M1: 109,805 km (0.109 R)
• M2: 528,080 km (0.096 R)
• M3: 824,733 km (0.107 R)
• M4: 1,101,639 km (0.06 R)
• M5: 1,704,518 km (0.083 R)
• M6: 1,980,825 km (0.114 R)
• M7: 2,307,996 km (0.097 R)
• M8: 2,897,561 km (0.069 R)
• M9: 3,499,693 km (0.074 R)
• M10: 4,135,633 km (0.118 R)
• M11: 4,573,057 km (0.094 R)
• M12: 5,204,061 km (0.115 R)
• M13: 5,483,510 km (0.111 R)
• M14: 5,832,223 km (0.106 R)
• M15: 6,574,228 km (0.104 R)
• M16: 7,193,713 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 11.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.7 AU - 1.78 AU

Year: 1506 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,710,420 km

• M1: 139,276 km (0.106 R)
• M2: 615,595 km (0.092 R)
• M3: 981,661 km (0.102 R)
• M4: 1,542,204 km (0.085 R)
• M5: 2,289,296 km (0.104 R)
• M6: 2,795,535 km (0.045 R)
• M7: 4,034,355 km (0.116 R)
• M8: 4,463,552 km (0.075 R)
• M9: 5,327,180 km (0.098 R)
• M10: 6,221,476 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 14.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.47 AU - 4.25 AU

Year: 4975 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,710,420 km

• M1: 179,069 km (0.07 R)
• M2: 865,124 km (0.082 R)
• M3: 1,557,463 km (0.096 R)
• M4: 2,855,225 km (0.065 R)
• M5: 3,704,193 km (0.104 R)
• M6: 5,140,332 km (0.099 R)
• M7: 6,399,348 km (0.074 R)
• M8: 7,725,982 km (0.088 R)
• M9: 12,538,695 km (0.104 R)
• M10: 14,215,687 km (0.075 R)
• M11: 14,806,599 km (0.104 R)
• M12: 16,302,578 km (0.115 R)
• M13: 17,170,096 km (0.104 R)
• M14: 17,671,398 km (0.115 R)
• M15: 18,470,699 km (0.109 R)
• M16: 19,234,397 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.8

Radius: 7.6

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.86 AU - 8.64 AU

Year: 14153 Days

Day: 18.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,710,420 km

• M1: 94,546 km (0.111 R)
• M2: 471,832 km (0.075 R)
• M3: 965,056 km (0.088 R)
• M4: 1,266,645 km (0.063 R)
• M5: 2,081,206 km (0.106 R)
• M6: 3,229,668 km (0.039 R)
• M7: 4,539,697 km (0.07 R)
• M8: 5,532,578 km (0.091 R)
• M9: 7,099,167 km (0.087 R)
• M10: 7,386,395 km (0.1 R)
• M11: 8,430,738 km (0.097 R)
• M12: 9,422,571 km (0.054 R)
• M13: 10,595,868 km (0.058 R)
• M14: 11,978,302 km (0.111 R)
• M15: 13,477,123 km (0.104 R)
• M16: 14,369,025 km (0.072 R)
• M17: 17,354,400 km (0.079 R)
• M18: 20,646,301 km (0.105 R)
• M19: 23,237,636 km (0.072 R)
• M20: 23,963,634 km (0.103 R)
• M21: 25,175,526 km (0.073 R)
• M22: 25,844,678 km (0.074 R)
• M23: 26,329,973 km (0.065 R)
• M24: 27,118,952 km (0.087 R)
• M25: 28,331,892 km (0.032 R)
• M26: 29,055,796 km (0.119 R)
• M27: 30,756,873 km (0.113 R)
• M28: 36,865,254 km (0.083 R)
• M29: 37,233,414 km (0.113 R)
• M30: 40,788,308 km (0.049 R)
• M31: 41,050,553 km (0.065 R)
• M32: 41,977,312 km (0.083 R)
• M33: 42,782,747 km (0.101 R)
• M34: 44,980,938 km (0.116 R)
• M35: 45,260,836 km (0.082 R)
• M36: 45,683,001 km (0.097 R)
• M37: 45,965,741 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.1

Radius: 3.5

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.86 AU - 10.3 AU

Year: 20994 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,710,420 km

• M1: 43,982 km (0.09 R)
• M2: 175,030 km (0.095 R)
• M3: 649,704 km (0.064 R)
• M4: 847,472 km (0.113 R)
• M5: 1,131,558 km (0.115 R)
• M6: 1,672,055 km (0.059 R)
• M7: 1,954,945 km (0.096 R)
• M8: 2,268,951 km (0.104 R)
• M9: 2,949,472 km (0.089 R)
• M10: 3,090,842 km (0.089 R)
• M11: 10,220,826 km (0.065 R)
• M12: 13,777,964 km (0.113 R)
• M13: 13,974,835 km (0.118 R)
• M14: 14,918,199 km (0.103 R)
• M15: 19,444,582 km (0.094 R)
• M16: 22,739,026 km (0.119 R)
• M17: 23,946,430 km (0.089 R)
• M18: 24,710,127 km (0.112 R)
• M19: 25,490,131 km (0.118 R)
• M20: 25,687,600 km (0.084 R)
• M21: 32,329,297 km (0.081 R)
• M22: 32,793,200 km (0.1 R)
• M23: 34,452,090 km (0.087 R)
• M24: 37,170,583 km (0.106 R)
• M25: 45,015,645 km (0.104 R)
• M26: 46,324,028 km (0.103 R)
• M27: 50,091,052 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 10,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit