🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 13.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 6 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,115,788 km

• M1: 166,652 km (0.102 R)
• M2: 677,529 km (0.042 R)
• M3: 1,098,348 km (0.071 R)
• M4: 1,628,074 km (0.111 R)
• M5: 2,077,166 km (0.12 R)
• M6: 3,124,501 km (0.112 R)
• M7: 3,879,222 km (0.073 R)
• M8: 4,795,809 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937

Radius: 10.4

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.49 AU - 0.77 AU

Year: 345 Days

Day: 10.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 135.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,115,788 km

• M1: 129,851 km (0.105 R)
• M2: 492,775 km (0.079 R)
• M3: 1,155,344 km (0.06 R)
• M4: 1,533,827 km (0.102 R)
• M5: 1,869,973 km (0.117 R)
• M6: 2,264,613 km (0.045 R)
• M7: 2,655,213 km (0.114 R)
• M8: 3,349,496 km (0.054 R)
• M9: 4,160,466 km (0.102 R)
• M10: 4,795,210 km (0.099 R)
• M11: 5,128,365 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.8

Radius: 12.5

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.67 AU - 0.77 AU

Year: 422 Days

Day: 6.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,115,788 km

• M1: 156,330 km (0.116 R)
• M2: 1,177,934 km (0.077 R)
• M3: 1,801,906 km (0.109 R)
• M4: 2,228,260 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 11.8

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.96 AU

Year: 494 Days

Day: 12 Hours

Environment

Temp: -160 °C

Axial Tilt: 82.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,115,788 km

• M1: 146,756 km (0.115 R)
• M2: 609,911 km (0.076 R)
• M3: 1,051,374 km (0.116 R)
• M4: 1,709,904 km (0.067 R)
• M5: 2,121,597 km (0.105 R)
• M6: 2,658,354 km (0.039 R)
• M7: 3,171,774 km (0.12 R)
• M8: 3,651,684 km (0.115 R)
• M9: 4,179,914 km (0.116 R)
• M10: 5,341,990 km (0.039 R)
• M11: 5,734,834 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 12.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.87 AU - 1.19 AU

Year: 722 Days

Day: 5.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,115,788 km

• M1: 154,235 km (0.069 R)
• M2: 541,993 km (0.109 R)
• M3: 983,606 km (0.084 R)
• M4: 1,387,221 km (0.079 R)
• M5: 2,107,535 km (0.115 R)
• M6: 2,626,340 km (0.104 R)
• M7: 3,441,948 km (0.093 R)
• M8: 4,307,820 km (0.095 R)
• M9: 4,818,248 km (0.08 R)
• M10: 5,277,364 km (0.086 R)
• M11: 7,391,182 km (0.071 R)
• M12: 7,907,444 km (0.082 R)
• M13: 8,472,625 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.5

Radius: 5.6

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.96 AU - 11.12 AU

Year: 18761 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,115,788 km

• M1: 70,610 km (0.11 R)
• M2: 411,095 km (0.105 R)
• M3: 779,405 km (0.118 R)
• M4: 980,165 km (0.072 R)
• M5: 1,215,483 km (0.117 R)
• M6: 1,459,327 km (0.091 R)
• M7: 2,253,692 km (0.081 R)
• M8: 2,667,330 km (0.118 R)
• M9: 2,915,662 km (0.09 R)
• M10: 3,591,097 km (0.092 R)
• M11: 4,520,698 km (0.069 R)
• M12: 9,859,397 km (0.088 R)
• M13: 10,289,641 km (0.077 R)
• M14: 13,659,183 km (0.088 R)
• M15: 14,466,264 km (0.054 R)
• M16: 18,738,180 km (0.071 R)
• M17: 21,203,553 km (0.056 R)
• M18: 23,024,459 km (0.065 R)
• M19: 29,327,915 km (0.114 R)
• M20: 29,770,126 km (0.11 R)
• M21: 39,039,060 km (0.077 R)
• M22: 42,042,387 km (0.113 R)
• M23: 47,586,634 km (0.107 R)
• M24: 51,168,456 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.6

Radius: 6.6

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.38 AU - 9.44 AU

Year: 19925 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,115,788 km

• M1: 82,129 km (0.112 R)
• M2: 300,243 km (0.035 R)
• M3: 918,830 km (0.095 R)
• M4: 1,333,366 km (0.038 R)
• M5: 2,235,441 km (0.071 R)
• M6: 2,752,302 km (0.098 R)
• M7: 3,231,763 km (0.083 R)
• M8: 3,765,678 km (0.09 R)
• M9: 6,322,156 km (0.112 R)
• M10: 6,916,807 km (0.096 R)
• M11: 8,758,058 km (0.074 R)
• M12: 9,910,859 km (0.088 R)
• M13: 12,304,425 km (0.069 R)
• M14: 13,523,498 km (0.09 R)
• M15: 15,058,222 km (0.102 R)
• M16: 16,535,651 km (0.112 R)
• M17: 20,549,212 km (0.094 R)
• M18: 20,844,369 km (0.034 R)
• M19: 21,242,449 km (0.102 R)
• M20: 24,943,949 km (0.085 R)
• M21: 29,800,793 km (0.06 R)
• M22: 32,118,812 km (0.12 R)
• M23: 36,965,185 km (0.101 R)
• M24: 38,137,584 km (0.073 R)
• M25: 39,334,516 km (0.115 R)
• M26: 46,368,608 km (0.093 R)
• M27: 47,731,445 km (0.111 R)
• M28: 48,771,000 km (0.108 R)
• M29: 52,712,156 km (0.085 R)
• M30: 55,327,576 km (0.098 R)
• M31: 55,899,040 km (0.115 R)
• M32: 62,860,427 km (0.066 R)
• M33: 63,274,813 km (0.075 R)
• M34: 75,163,805 km (0.059 R)
• M35: 76,806,090 km (0.114 R)
• M36: 78,952,670 km (0.062 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 14,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit