🌌 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: 867.9

Radius: 11.6

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.46 AU - 0.68 AU

Year: 287 Days

Day: 6.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,972,396 km

• M1: 144,362 km (0.105 R)
• M2: 1,318,256 km (0.118 R)
• M3: 1,694,046 km (0.093 R)
• M4: 2,102,748 km (0.075 R)
• M5: 3,381,061 km (0.083 R)
• M6: 4,253,067 km (0.096 R)
• M7: 4,749,433 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 14.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.57 AU - 0.85 AU

Year: 399 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,972,396 km

• M1: 180,265 km (0.065 R)
• M2: 644,318 km (0.037 R)
• M3: 1,098,348 km (0.067 R)
• M4: 2,024,358 km (0.103 R)
• M5: 2,808,550 km (0.063 R)
• M6: 3,487,276 km (0.113 R)
• M7: 3,999,050 km (0.043 R)
• M8: 4,517,257 km (0.041 R)
• M9: 4,985,947 km (0.049 R)
• M10: 5,470,345 km (0.112 R)
• M11: 6,057,667 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427

Radius: 8.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.94 AU - 1.54 AU

Year: 921 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,972,396 km

• M1: 110,852 km (0.118 R)
• M2: 401,371 km (0.101 R)
• M3: 712,385 km (0.073 R)
• M4: 1,134,401 km (0.101 R)
• M5: 1,534,425 km (0.116 R)
• M6: 2,689,770 km (0.083 R)
• M7: 3,059,426 km (0.082 R)
• M8: 3,408,737 km (0.026 R)
• M9: 4,020,443 km (0.095 R)
• M10: 4,328,914 km (0.091 R)
• M11: 5,977,632 km (0.081 R)
• M12: 6,484,320 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.5

Radius: 12.3

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.67 AU - 2.09 AU

Year: 1719 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,972,396 km

• M1: 153,039 km (0.085 R)
• M2: 538,104 km (0.074 R)
• M3: 1,136,944 km (0.12 R)
• M4: 1,609,823 km (0.059 R)
• M5: 2,321,460 km (0.117 R)
• M6: 3,576,735 km (0.037 R)
• M7: 6,267,403 km (0.051 R)
• M8: 9,215,229 km (0.075 R)
• M9: 10,031,435 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 10.1

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.41 AU - 3.99 AU

Year: 3817 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,972,396 km

• M1: 128,804 km (0.112 R)
• M2: 640,428 km (0.065 R)
• M3: 1,794,875 km (0.079 R)
• M4: 2,288,847 km (0.067 R)
• M5: 2,940,346 km (0.058 R)
• M6: 3,338,576 km (0.064 R)
• M7: 4,068,015 km (0.106 R)
• M8: 4,470,882 km (0.073 R)
• M9: 6,010,543 km (0.059 R)
• M10: 7,152,424 km (0.085 R)
• M11: 7,475,705 km (0.088 R)
• M12: 7,842,668 km (0.076 R)
• M13: 8,612,649 km (0.102 R)
• M14: 9,279,406 km (0.079 R)
• M15: 10,262,264 km (0.056 R)
• M16: 11,140,105 km (0.089 R)
• M17: 12,022,134 km (0.076 R)
• M18: 12,713,575 km (0.114 R)
• M19: 17,665,115 km (0.109 R)
• M20: 18,802,059 km (0.115 R)
• M21: 20,307,163 km (0.054 R)
• M22: 21,354,198 km (0.082 R)
• M23: 23,841,263 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.1

Radius: 6.8

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.89 AU - 7.99 AU

Year: 10898 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,972,396 km

• M1: 84,523 km (0.1 R)
• M2: 365,318 km (0.103 R)
• M3: 606,769 km (0.099 R)
• M4: 1,110,315 km (0.116 R)
• M5: 1,357,451 km (0.119 R)
• M6: 1,626,428 km (0.059 R)
• M7: 1,999,525 km (0.088 R)
• M8: 2,349,584 km (0.105 R)
• M9: 2,697,100 km (0.102 R)
• M10: 4,350,755 km (0.089 R)
• M11: 4,623,621 km (0.114 R)
• M12: 4,875,694 km (0.11 R)
• M13: 6,353,571 km (0.091 R)
• M14: 6,745,218 km (0.067 R)
• M15: 7,029,006 km (0.093 R)
• M16: 7,405,394 km (0.073 R)
• M17: 8,998,462 km (0.117 R)
• M18: 10,972,705 km (0.051 R)
• M19: 11,365,549 km (0.109 R)
• M20: 11,767,817 km (0.12 R)
• M21: 15,334,380 km (0.103 R)
• M22: 16,254,856 km (0.068 R)
• M23: 19,236,790 km (0.073 R)
• M24: 20,559,086 km (0.108 R)
• M25: 21,415,534 km (0.093 R)
• M26: 26,058,303 km (0.084 R)
• M27: 26,456,383 km (0.087 R)
• M28: 36,397,162 km (0.12 R)
• M29: 42,531,722 km (0.096 R)
• M30: 43,640,242 km (0.073 R)
• M31: 43,920,289 km (0.081 R)
• M32: 45,052,745 km (0.076 R)
• M33: 45,482,390 km (0.12 R)
• M34: 53,370,088 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.6

Radius: 6.2

Gravity: 23.79 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.41 AU - 7.87 AU

Year: 12723 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,972,396 km

• M1: 77,043 km (0.107 R)
• M2: 298,747 km (0.113 R)
• M3: 634,145 km (0.046 R)
• M4: 901,028 km (0.096 R)
• M5: 1,378,395 km (0.057 R)
• M6: 1,956,890 km (0.039 R)
• M7: 2,776,686 km (0.119 R)
• M8: 3,315,089 km (0.078 R)
• M9: 5,032,622 km (0.105 R)
• M10: 6,340,556 km (0.026 R)
• M11: 7,051,445 km (0.08 R)
• M12: 7,629,791 km (0.117 R)
• M13: 8,680,117 km (0.117 R)
• M14: 15,115,818 km (0.104 R)
• M15: 15,406,935 km (0.104 R)
• M16: 17,470,339 km (0.053 R)
• M17: 21,035,405 km (0.105 R)
• M18: 23,663,990 km (0.074 R)
• M19: 24,056,534 km (0.097 R)
• M20: 24,854,789 km (0.036 R)
• M21: 25,260,348 km (0.09 R)
• M22: 27,247,607 km (0.076 R)
• M23: 27,462,728 km (0.086 R)
• M24: 28,005,320 km (0.073 R)
• M25: 29,676,178 km (0.088 R)
• M26: 33,215,066 km (0.1 R)
• M27: 35,982,177 km (0.06 R)
• M28: 37,025,323 km (0.047 R)
• M29: 38,763,351 km (0.075 R)
• M30: 40,415,211 km (0.096 R)
• M31: 41,400,164 km (0.088 R)
• M32: 42,400,973 km (0.045 R)
• M33: 44,749,061 km (0.109 R)
• M34: 45,651,436 km (0.061 R)
• M35: 56,742,173 km (0.115 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 11,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit