🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.49 AU - 0.59 AU

Year: 260 Days

Day: 39.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,849,881 km

• M1: 577,448 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.64 AU

Year: 290 Days

Day: 47.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,849,881 km

• M1: 390,151 km (0.1 R)
• M2: 536,757 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 14.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.58 AU - 0.84 AU

Year: 392 Days

Day: 13.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,849,881 km

• M1: 182,659 km (0.108 R)
• M2: 681,119 km (0.111 R)
• M3: 1,261,858 km (0.115 R)
• M4: 1,821,952 km (0.038 R)
• M5: 2,675,558 km (0.117 R)
• M6: 3,403,202 km (0.114 R)
• M7: 3,924,700 km (0.102 R)
• M8: 4,414,184 km (0.093 R)
• M9: 5,386,271 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 9.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.68 AU - 1.1 AU

Year: 551 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,849,881 km

• M1: 120,576 km (0.1 R)
• M2: 432,338 km (0.064 R)
• M3: 756,367 km (0.111 R)
• M4: 1,208,302 km (0.035 R)
• M5: 1,580,801 km (0.086 R)
• M6: 1,909,916 km (0.056 R)
• M7: 2,501,127 km (0.026 R)
• M8: 2,998,241 km (0.1 R)
• M9: 3,419,508 km (0.035 R)
• M10: 4,877,639 km (0.084 R)
• M11: 5,393,452 km (0.03 R)
• M12: 5,835,663 km (0.077 R)
• M13: 6,168,818 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 10.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.25 AU - 1.75 AU

Year: 1205 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,849,881 km

• M1: 143,315 km (0.111 R)
• M2: 472,131 km (0.092 R)
• M3: 1,538,315 km (0.068 R)
• M4: 2,048,144 km (0.076 R)
• M5: 2,541,518 km (0.112 R)
• M6: 2,884,397 km (0.1 R)
• M7: 3,326,159 km (0.073 R)
• M8: 4,412,539 km (0.099 R)
• M9: 5,073,911 km (0.034 R)
• M10: 5,740,369 km (0.105 R)
• M11: 6,357,162 km (0.061 R)
• M12: 6,814,931 km (0.079 R)
• M13: 7,294,392 km (0.106 R)
• M14: 8,043,429 km (0.106 R)
• M15: 8,657,827 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.5

Radius: 5

Gravity: 26.9 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.94 AU - 7.94 AU

Year: 14677 Days

Day: 15 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,849,881 km

• M1: 62,831 km (0.11 R)
• M2: 348,413 km (0.115 R)
• M3: 591,660 km (0.036 R)
• M4: 1,069,326 km (0.109 R)
• M5: 1,354,459 km (0.093 R)
• M6: 2,020,170 km (0.1 R)
• M7: 2,414,510 km (0.072 R)
• M8: 2,652,520 km (0.076 R)
• M9: 2,977,895 km (0.03 R)
• M10: 4,085,069 km (0.09 R)
• M11: 5,086,627 km (0.118 R)
• M12: 6,732,951 km (0.12 R)
• M13: 7,293,345 km (0.117 R)
• M14: 8,263,487 km (0.074 R)
• M15: 9,109,613 km (0.115 R)
• M16: 11,747,023 km (0.088 R)
• M17: 12,054,596 km (0.087 R)
• M18: 12,879,180 km (0.099 R)
• M19: 13,944,915 km (0.11 R)
• M20: 16,326,214 km (0.076 R)
• M21: 17,334,354 km (0.073 R)
• M22: 21,144,313 km (0.115 R)
• M23: 22,434,744 km (0.055 R)
• M24: 24,071,195 km (0.103 R)
• M25: 25,374,940 km (0.066 R)
• M26: 25,992,331 km (0.064 R)
• M27: 27,904,491 km (0.103 R)
• M28: 30,481,613 km (0.108 R)
• M29: 32,485,327 km (0.103 R)
• M30: 34,575,209 km (0.052 R)
• M31: 35,974,249 km (0.087 R)
• M32: 36,753,055 km (0.037 R)
• M33: 38,344,178 km (0.089 R)
• M34: 44,869,488 km (0.108 R)
• M35: 49,342,015 km (0.108 R)
• M36: 58,444,597 km (0.11 R)
• M37: 60,062,947 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.4

Radius: 5.9

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.1 AU - 9.1 AU

Year: 18008 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,849,881 km

• M1: 73,453 km (0.08 R)
• M2: 288,873 km (0.113 R)
• M3: 500,854 km (0.118 R)
• M4: 1,003,802 km (0.118 R)
• M5: 1,280,109 km (0.1 R)
• M6: 1,487,003 km (0.114 R)
• M7: 1,831,078 km (0.098 R)
• M8: 2,076,867 km (0.112 R)
• M9: 2,925,985 km (0.106 R)
• M10: 3,188,828 km (0.105 R)
• M11: 4,220,006 km (0.052 R)
• M12: 4,556,153 km (0.116 R)
• M13: 4,844,129 km (0.115 R)
• M14: 5,456,882 km (0.081 R)
• M15: 5,818,908 km (0.102 R)
• M16: 7,170,376 km (0.085 R)
• M17: 8,914,687 km (0.055 R)
• M18: 13,474,280 km (0.115 R)
• M19: 19,464,329 km (0.072 R)
• M20: 20,052,847 km (0.098 R)
• M21: 27,854,376 km (0.117 R)
• M22: 28,925,496 km (0.099 R)
• M23: 29,252,068 km (0.075 R)
• M24: 32,303,267 km (0.054 R)
• M25: 33,365,711 km (0.106 R)
• M26: 34,573,414 km (0.118 R)
• M27: 41,601,522 km (0.081 R)
• M28: 43,710,403 km (0.109 R)
• M29: 44,140,497 km (0.092 R)
• M30: 50,305,575 km (0.098 R)
• M31: 54,168,043 km (0.052 R)
• M32: 56,849,884 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit