🌌 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: 252.6

Radius: 11.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.12 AU - 1.26 AU

Year: 880 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,338,264 km

• M1: 145,559 km (0.088 R)
• M2: 543,489 km (0.046 R)
• M3: 1,007,990 km (0.07 R)
• M4: 1,569,132 km (0.094 R)
• M5: 1,999,226 km (0.075 R)
• M6: 2,419,147 km (0.087 R)
• M7: 2,788,953 km (0.102 R)
• M8: 3,172,971 km (0.084 R)
• M9: 3,553,997 km (0.085 R)
• M10: 4,190,835 km (0.092 R)
• M11: 4,620,629 km (0.115 R)
• M12: 6,373,019 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 13.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.69 AU - 2.51 AU

Year: 2064 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,338,264 km

• M1: 164,109 km (0.091 R)
• M2: 619,036 km (0.053 R)
• M3: 1,161,777 km (0.095 R)
• M4: 1,633,609 km (0.075 R)
• M5: 2,452,956 km (0.062 R)
• M6: 2,922,544 km (0.086 R)
• M7: 3,611,442 km (0.11 R)
• M8: 5,140,931 km (0.108 R)
• M9: 6,364,641 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 12.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.97 AU - 2.45 AU

Year: 2228 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,338,264 km

• M1: 153,338 km (0.118 R)
• M2: 1,285,943 km (0.096 R)
• M3: 2,154,957 km (0.075 R)
• M4: 2,945,283 km (0.053 R)
• M5: 4,452,033 km (0.062 R)
• M6: 5,588,677 km (0.101 R)
• M7: 8,622,073 km (0.072 R)
• M8: 9,839,800 km (0.106 R)
• M9: 10,527,202 km (0.115 R)
• M10: 13,469,942 km (0.098 R)
• M11: 13,867,274 km (0.096 R)
• M12: 15,248,361 km (0.096 R)
• M13: 16,021,633 km (0.103 R)
• M14: 17,385,367 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 13.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.05 AU - 2.65 AU

Year: 2443 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,338,264 km

• M1: 164,408 km (0.117 R)
• M2: 590,762 km (0.095 R)
• M3: 1,254,528 km (0.075 R)
• M4: 2,134,762 km (0.119 R)
• M5: 2,606,892 km (0.107 R)
• M6: 3,183,443 km (0.062 R)
• M7: 3,903,008 km (0.088 R)
• M8: 4,958,571 km (0.096 R)
• M9: 5,465,857 km (0.116 R)
• M10: 5,901,636 km (0.094 R)
• M11: 6,416,402 km (0.104 R)
• M12: 7,049,800 km (0.114 R)
• M13: 7,756,350 km (0.093 R)
• M14: 10,984,074 km (0.102 R)
• M15: 13,165,061 km (0.11 R)
• M16: 13,624,327 km (0.045 R)
• M17: 14,721,627 km (0.054 R)
• M18: 16,556,296 km (0.105 R)
• M19: 17,254,918 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.1

Radius: 8.2

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.59 AU - 3.57 AU

Year: 3666 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,338,264 km

• M1: 102,026 km (0.113 R)
• M2: 432,787 km (0.101 R)
• M3: 1,204,412 km (0.037 R)
• M4: 1,639,443 km (0.071 R)
• M5: 2,456,696 km (0.116 R)
• M6: 4,485,094 km (0.097 R)
• M7: 5,231,737 km (0.114 R)
• M8: 8,423,108 km (0.07 R)
• M9: 10,098,155 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 9.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.49 AU - 3.63 AU

Year: 4556 Days

Day: 9.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,338,264 km

• M1: 121,623 km (0.076 R)
• M2: 624,422 km (0.075 R)
• M3: 1,319,004 km (0.085 R)
• M4: 1,693,597 km (0.079 R)
• M5: 3,313,443 km (0.117 R)
• M6: 3,619,221 km (0.087 R)
• M7: 4,363,171 km (0.077 R)
• M8: 4,954,532 km (0.09 R)
• M9: 6,896,911 km (0.079 R)
• M10: 8,124,062 km (0.053 R)
• M11: 9,081,189 km (0.108 R)
• M12: 9,781,756 km (0.109 R)
• M13: 12,404,207 km (0.115 R)
• M14: 13,067,075 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.2

Radius: 5.8

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.77 AU - 10.33 AU

Year: 20017 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,338,264 km

• M1: 72,405 km (0.067 R)
• M2: 295,755 km (0.071 R)
• M3: 555,906 km (0.065 R)
• M4: 965,505 km (0.076 R)
• M5: 1,671,607 km (0.084 R)
• M6: 1,897,350 km (0.064 R)
• M7: 2,653,717 km (0.118 R)
• M8: 3,294,444 km (0.12 R)
• M9: 4,572,758 km (0.101 R)
• M10: 5,526,744 km (0.078 R)
• M11: 6,030,440 km (0.114 R)
• M12: 6,396,805 km (0.092 R)
• M13: 6,691,962 km (0.101 R)
• M14: 8,207,238 km (0.041 R)
• M15: 8,759,404 km (0.107 R)
• M16: 10,740,230 km (0.117 R)
• M17: 13,068,421 km (0.117 R)
• M18: 14,673,756 km (0.1 R)
• M19: 16,959,462 km (0.05 R)
• M20: 18,438,985 km (0.106 R)
• M21: 23,094,919 km (0.096 R)
• M22: 23,589,639 km (0.091 R)
• M23: 24,395,822 km (0.06 R)
• M24: 28,477,899 km (0.099 R)
• M25: 31,037,519 km (0.12 R)
• M26: 31,761,423 km (0.082 R)
• M27: 33,368,254 km (0.086 R)
• M28: 36,609,142 km (0.111 R)
• M29: 37,552,805 km (0.119 R)
• M30: 40,481,184 km (0.093 R)
• M31: 46,945,308 km (0.094 R)
• M32: 49,516,147 km (0.04 R)
• M33: 52,010,093 km (0.105 R)
• M34: 58,700,110 km (0.106 R)
• M35: 59,806,386 km (0.062 R)
• M36: 62,250,516 km (0.115 R)
• M37: 62,441,254 km (0.066 R)
• M38: 64,175,392 km (0.101 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: 410 - 19,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit