🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 14.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.14 AU - 1.24 AU

Year: 912 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,604,036 km

• M1: 176,525 km (0.053 R)
• M2: 823,536 km (0.046 R)
• M3: 1,296,714 km (0.119 R)
• M4: 1,869,375 km (0.088 R)
• M5: 2,444,280 km (0.062 R)
• M6: 3,050,151 km (0.113 R)
• M7: 3,625,355 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837

Radius: 11.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.37 AU - 1.53 AU

Year: 1227 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 94.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,604,036 km

• M1: 141,819 km (0.061 R)
• M2: 1,004,251 km (0.099 R)
• M3: 2,447,122 km (0.094 R)
• M4: 2,885,593 km (0.111 R)
• M5: 3,658,266 km (0.108 R)
• M6: 4,128,901 km (0.079 R)
• M7: 5,192,243 km (0.05 R)
• M8: 8,297,296 km (0.094 R)
• M9: 9,602,987 km (0.086 R)
• M10: 10,668,871 km (0.078 R)
• M11: 11,422,097 km (0.107 R)
• M12: 11,992,065 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 8.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.7 AU - 1.92 AU

Year: 1712 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,604,036 km

• M1: 111,002 km (0.074 R)
• M2: 432,188 km (0.06 R)
• M3: 988,842 km (0.073 R)
• M4: 1,390,063 km (0.054 R)
• M5: 2,004,911 km (0.035 R)
• M6: 2,655,661 km (0.071 R)
• M7: 3,045,065 km (0.106 R)
• M8: 3,504,480 km (0.102 R)
• M9: 4,372,447 km (0.116 R)
• M10: 6,852,630 km (0.046 R)
• M11: 8,260,346 km (0.109 R)
• M12: 12,040,833 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.1

Radius: 10.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.72 AU - 3.12 AU

Year: 3507 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,604,036 km

• M1: 129,402 km (0.043 R)
• M2: 490,382 km (0.114 R)
• M3: 860,337 km (0.115 R)
• M4: 1,389,315 km (0.066 R)
• M5: 1,876,107 km (0.081 R)
• M6: 2,277,777 km (0.104 R)
• M7: 2,655,961 km (0.092 R)
• M8: 3,318,380 km (0.079 R)
• M9: 3,824,619 km (0.113 R)
• M10: 5,546,790 km (0.078 R)
• M11: 6,024,456 km (0.091 R)
• M12: 6,933,113 km (0.12 R)
• M13: 7,707,133 km (0.081 R)
• M14: 9,618,545 km (0.074 R)
• M15: 11,790,107 km (0.112 R)

Asteroid Belt

Center: 3.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.7

Radius: 13.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.71 AU - 4.29 AU

Year: 4603 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,604,036 km

• M1: 171,589 km (0.069 R)
• M2: 620,083 km (0.095 R)
• M3: 1,292,226 km (0.044 R)
• M4: 1,807,890 km (0.116 R)
• M5: 3,617,127 km (0.06 R)
• M6: 4,318,143 km (0.111 R)
• M7: 5,495,777 km (0.101 R)
• M8: 6,977,245 km (0.087 R)
• M9: 7,420,952 km (0.074 R)
• M10: 8,672,039 km (0.12 R)
• M11: 10,538,272 km (0.071 R)
• M12: 11,636,770 km (0.064 R)
• M13: 14,440,982 km (0.072 R)
• M14: 15,506,717 km (0.115 R)
• M15: 16,029,412 km (0.103 R)
• M16: 19,957,104 km (0.117 R)
• M17: 21,207,892 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.1

Radius: 3.6

Gravity: 73.62 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.06 AU - 10.18 AU

Year: 17790 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,604,036 km

• M1: 46,525 km (0.105 R)
• M2: 164,258 km (0.091 R)
• M3: 609,462 km (0.09 R)
• M4: 793,168 km (0.03 R)
• M5: 951,442 km (0.113 R)
• M6: 1,130,661 km (0.074 R)
• M7: 1,257,370 km (0.058 R)
• M8: 1,608,028 km (0.044 R)
• M9: 2,000,423 km (0.062 R)
• M10: 2,186,822 km (0.072 R)
• M11: 2,971,463 km (0.049 R)
• M12: 4,492,424 km (0.086 R)
• M13: 5,034,268 km (0.03 R)
• M14: 5,340,345 km (0.105 R)
• M15: 5,905,825 km (0.077 R)
• M16: 6,873,573 km (0.117 R)
• M17: 9,456,530 km (0.063 R)
• M18: 11,025,662 km (0.077 R)
• M19: 11,217,148 km (0.082 R)
• M20: 13,184,509 km (0.075 R)
• M21: 15,055,530 km (0.111 R)
• M22: 16,842,027 km (0.095 R)
• M23: 18,674,452 km (0.055 R)
• M24: 19,129,529 km (0.051 R)
• M25: 19,498,886 km (0.091 R)
• M26: 20,251,961 km (0.11 R)
• M27: 26,186,359 km (0.098 R)
• M28: 26,527,442 km (0.084 R)
• M29: 26,641,735 km (0.109 R)
• M30: 31,745,267 km (0.062 R)
• M31: 45,938,365 km (0.108 R)
• M32: 48,624,095 km (0.091 R)
• M33: 48,795,385 km (0.072 R)
• M34: 51,768,642 km (0.035 R)
• M35: 58,072,846 km (0.108 R)
• M36: 73,296,374 km (0.111 R)
• M37: 76,490,738 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.7

Radius: 6.9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.59 AU - 11.95 AU

Year: 23135 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,604,036 km

• M1: 133,740 km (0.095 R)
• M2: 663,766 km (0.097 R)
• M3: 1,393,355 km (0.104 R)
• M4: 1,918,443 km (0.074 R)
• M5: 3,176,711 km (0.087 R)
• M6: 4,142,215 km (0.05 R)
• M7: 5,362,036 km (0.058 R)
• M8: 6,231,350 km (0.11 R)
• M9: 6,554,631 km (0.034 R)
• M10: 7,017,636 km (0.067 R)
• M11: 9,665,518 km (0.093 R)
• M12: 10,209,606 km (0.033 R)
• M13: 10,489,354 km (0.114 R)
• M14: 22,761,466 km (0.107 R)
• M15: 28,390,385 km (0.109 R)
• M16: 32,658,113 km (0.033 R)
• M17: 33,021,935 km (0.04 R)
• M18: 45,082,216 km (0.075 R)
• M19: 55,540,154 km (0.039 R)
• M20: 56,231,895 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 16,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit