🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 11.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.43 AU - 0.71 AU

Year: 287 Days

Day: 7.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,487,623 km

• M1: 141,819 km (0.086 R)
• M2: 603,627 km (0.105 R)
• M3: 1,184,067 km (0.076 R)
• M4: 1,624,932 km (0.06 R)
• M5: 2,074,474 km (0.056 R)
• M6: 2,716,847 km (0.071 R)
• M7: 3,396,470 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 8.2

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.83 AU - 1.27 AU

Year: 717 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,487,623 km

• M1: 102,026 km (0.043 R)
• M2: 364,121 km (0.111 R)
• M3: 787,633 km (0.104 R)
• M4: 1,047,035 km (0.117 R)
• M5: 1,378,993 km (0.11 R)
• M6: 1,696,440 km (0.08 R)
• M7: 2,120,251 km (0.064 R)
• M8: 2,966,376 km (0.046 R)
• M9: 3,500,590 km (0.116 R)
• M10: 3,841,973 km (0.094 R)
• M11: 4,396,083 km (0.085 R)
• M12: 5,662,878 km (0.088 R)
• M13: 5,974,640 km (0.099 R)
• M14: 6,401,293 km (0.115 R)
• M15: 7,923,302 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 14.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.85 AU - 1.41 AU

Year: 801 Days

Day: 5.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,487,623 km

• M1: 176,675 km (0.12 R)
• M2: 641,924 km (0.032 R)
• M3: 1,150,108 km (0.076 R)
• M4: 1,743,414 km (0.072 R)
• M5: 2,377,260 km (0.074 R)
• M6: 3,807,864 km (0.094 R)
• M7: 6,178,691 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.7

Radius: 9.2

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.25 AU - 1.85 AU

Year: 1287 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,487,623 km

• M1: 114,592 km (0.108 R)
• M2: 453,132 km (0.112 R)
• M3: 761,004 km (0.082 R)
• M4: 1,054,067 km (0.112 R)
• M5: 1,354,310 km (0.113 R)
• M6: 1,658,891 km (0.069 R)
• M7: 2,019,870 km (0.048 R)
• M8: 2,330,436 km (0.086 R)
• M9: 3,460,199 km (0.12 R)
• M10: 3,749,371 km (0.084 R)
• M11: 4,607,166 km (0.088 R)
• M12: 5,447,606 km (0.091 R)
• M13: 5,968,656 km (0.026 R)
• M14: 6,341,753 km (0.076 R)
• M15: 7,062,366 km (0.104 R)
• M16: 7,530,308 km (0.047 R)
• M17: 7,914,326 km (0.092 R)
• M18: 9,405,966 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.5

Radius: 4.3

Gravity: 25.18 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.62 AU - 9.1 AU

Year: 13315 Days

Day: 15.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 36,487,623 km

• M1: 55,052 km (0.116 R)
• M2: 196,272 km (0.088 R)
• M3: 511,924 km (0.04 R)
• M4: 731,683 km (0.105 R)
• M5: 1,232,986 km (0.114 R)
• M6: 1,834,967 km (0.099 R)
• M7: 2,003,564 km (0.119 R)
• M8: 2,849,241 km (0.083 R)
• M9: 3,006,618 km (0.116 R)
• M10: 3,146,043 km (0.052 R)
• M11: 3,992,468 km (0.09 R)
• M12: 4,423,310 km (0.099 R)
• M13: 4,789,825 km (0.056 R)
• M14: 6,384,239 km (0.044 R)
• M15: 7,510,860 km (0.047 R)
• M16: 10,149,617 km (0.095 R)
• M17: 10,358,905 km (0.107 R)
• M18: 11,169,276 km (0.077 R)
• M19: 14,305,745 km (0.097 R)
• M20: 15,862,909 km (0.078 R)
• M21: 16,501,842 km (0.109 R)
• M22: 18,677,294 km (0.114 R)
• M23: 20,284,274 km (0.07 R)
• M24: 22,068,379 km (0.084 R)
• M25: 22,508,047 km (0.116 R)
• M26: 24,889,196 km (0.118 R)
• M27: 28,146,241 km (0.112 R)
• M28: 31,013,583 km (0.068 R)
• M29: 35,250,644 km (0.092 R)
• M30: 36,458,796 km (0.075 R)
• M31: 37,569,411 km (0.053 R)
• M32: 38,195,927 km (0.094 R)
• M33: 39,341,398 km (0.116 R)
• M34: 41,567,264 km (0.061 R)
• M35: 46,843,282 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62

Radius: 6.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.27 AU - 10.35 AU

Year: 22076 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,487,623 km

• M1: 77,193 km (0.067 R)
• M2: 271,071 km (0.09 R)
• M3: 1,444,816 km (0.074 R)
• M4: 2,773,545 km (0.095 R)
• M5: 3,220,094 km (0.074 R)
• M6: 3,904,654 km (0.087 R)
• M7: 5,254,924 km (0.093 R)
• M8: 5,558,309 km (0.106 R)
• M9: 6,961,986 km (0.037 R)
• M10: 9,355,103 km (0.093 R)
• M11: 9,665,818 km (0.095 R)
• M12: 10,121,642 km (0.113 R)
• M13: 10,783,763 km (0.078 R)
• M14: 13,218,468 km (0.098 R)
• M15: 17,090,659 km (0.09 R)
• M16: 18,718,733 km (0.112 R)
• M17: 22,914,055 km (0.119 R)
• M18: 27,969,416 km (0.106 R)
• M19: 29,553,209 km (0.05 R)
• M20: 31,889,628 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 19,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit