🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 9.4

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.72 AU - 0.86 AU

Year: 461 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,892,212 km

• M1: 119,230 km (0.084 R)
• M2: 421,417 km (0.113 R)
• M3: 715,078 km (0.104 R)
• M4: 1,135,149 km (0.077 R)
• M5: 1,513,033 km (0.115 R)
• M6: 2,003,115 km (0.112 R)
• M7: 2,378,307 km (0.12 R)
• M8: 3,405,446 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579

Radius: 9

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.05 AU - 1.21 AU

Year: 788 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,892,212 km

• M1: 111,899 km (0.04 R)
• M2: 470,336 km (0.109 R)
• M3: 1,020,856 km (0.085 R)
• M4: 1,547,440 km (0.112 R)
• M5: 1,931,757 km (0.076 R)
• M6: 2,236,039 km (0.066 R)
• M7: 2,695,903 km (0.084 R)
• M8: 3,243,731 km (0.099 R)
• M9: 4,495,566 km (0.045 R)
• M10: 4,948,099 km (0.108 R)
• M11: 5,504,902 km (0.12 R)
• M12: 5,808,287 km (0.053 R)
• M13: 6,102,995 km (0.064 R)
• M14: 6,829,442 km (0.09 R)
• M15: 7,705,487 km (0.109 R)
• M16: 8,013,659 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.9

Radius: 8.3

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.64 AU - 1.92 AU

Year: 1558 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,892,212 km

• M1: 104,120 km (0.09 R)
• M2: 444,754 km (0.099 R)
• M3: 774,618 km (0.11 R)
• M4: 1,212,192 km (0.077 R)
• M5: 1,530,237 km (0.116 R)
• M6: 1,981,125 km (0.116 R)
• M7: 2,653,268 km (0.026 R)
• M8: 3,322,569 km (0.115 R)
• M9: 4,026,277 km (0.114 R)
• M10: 4,722,655 km (0.083 R)
• M11: 5,914,801 km (0.119 R)
• M12: 6,787,704 km (0.097 R)
• M13: 8,062,128 km (0.062 R)
• M14: 8,694,179 km (0.107 R)
• M15: 14,119,945 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 12.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.07 AU - 3.11 AU

Year: 3563 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,892,212 km

• M1: 155,881 km (0.095 R)
• M2: 593,455 km (0.097 R)
• M3: 1,173,595 km (0.11 R)
• M4: 1,668,315 km (0.107 R)
• M5: 2,132,518 km (0.064 R)
• M6: 2,850,737 km (0.109 R)
• M7: 3,857,381 km (0.085 R)
• M8: 4,593,253 km (0.114 R)
• M9: 5,064,486 km (0.11 R)
• M10: 5,617,550 km (0.083 R)
• M11: 6,264,261 km (0.102 R)
• M12: 7,252,505 km (0.099 R)
• M13: 8,539,346 km (0.047 R)
• M14: 11,238,690 km (0.113 R)
• M15: 12,351,997 km (0.111 R)
• M16: 14,180,981 km (0.098 R)
• M17: 17,819,500 km (0.101 R)
• M18: 18,931,461 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 10.6

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.14 AU - 5.2 AU

Year: 6620 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,892,212 km

• M1: 131,796 km (0.058 R)
• M2: 490,831 km (0.094 R)
• M3: 826,977 km (0.116 R)
• M4: 1,640,789 km (0.099 R)
• M5: 2,051,735 km (0.115 R)
• M6: 2,639,206 km (0.108 R)
• M7: 3,467,080 km (0.103 R)
• M8: 3,810,258 km (0.055 R)
• M9: 4,303,332 km (0.055 R)
• M10: 4,700,814 km (0.083 R)
• M11: 5,946,216 km (0.108 R)
• M12: 7,142,251 km (0.084 R)
• M13: 7,474,209 km (0.113 R)
• M14: 7,972,071 km (0.104 R)
• M15: 9,379,338 km (0.038 R)
• M16: 11,893,480 km (0.063 R)
• M17: 12,895,187 km (0.056 R)
• M18: 18,692,852 km (0.03 R)
• M19: 20,338,130 km (0.114 R)
• M20: 23,103,895 km (0.089 R)
• M21: 24,161,552 km (0.091 R)
• M22: 29,276,154 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 13.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.63 AU - 4.81 AU

Year: 6727 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,892,212 km

• M1: 166,802 km (0.108 R)
• M2: 1,007,691 km (0.12 R)
• M3: 1,678,937 km (0.096 R)
• M4: 2,173,956 km (0.12 R)
• M5: 2,684,833 km (0.091 R)
• M6: 3,350,992 km (0.089 R)
• M7: 4,462,504 km (0.082 R)
• M8: 5,480,668 km (0.074 R)
• M9: 7,340,020 km (0.072 R)
• M10: 8,757,011 km (0.112 R)
• M11: 9,667,164 km (0.113 R)
• M12: 11,192,913 km (0.091 R)
• M13: 12,684,254 km (0.065 R)
• M14: 14,202,523 km (0.09 R)
• M15: 16,448,435 km (0.065 R)
• M16: 17,131,499 km (0.119 R)
• M17: 22,593,766 km (0.084 R)
• M18: 23,154,310 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit