🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 12.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 326 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,943,828 km

• M1: 159,172 km (0.034 R)
• M2: 591,061 km (0.112 R)
• M3: 1,031,328 km (0.11 R)
• M4: 1,432,549 km (0.117 R)
• M5: 1,961,378 km (0.099 R)
• M6: 2,711,461 km (0.114 R)
• M7: 3,130,485 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 10.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.74 AU - 0.88 AU

Year: 486 Days

Day: 7.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,943,828 km

• M1: 128,056 km (0.078 R)
• M2: 624,122 km (0.118 R)
• M3: 950,994 km (0.1 R)
• M4: 1,278,164 km (0.113 R)
• M5: 1,624,334 km (0.108 R)
• M6: 2,094,819 km (0.101 R)
• M7: 2,720,138 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.9

Radius: 12.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.92 AU - 1.96 AU

Year: 1802 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,943,828 km

• M1: 156,779 km (0.117 R)
• M2: 571,015 km (0.067 R)
• M3: 1,044,193 km (0.071 R)
• M4: 1,654,403 km (0.096 R)
• M5: 2,730,161 km (0.051 R)
• M6: 3,192,269 km (0.117 R)
• M7: 6,586,046 km (0.114 R)
• M8: 7,043,517 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 11.9

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.01 AU - 2.01 AU

Year: 1900 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,943,828 km

• M1: 147,952 km (0.069 R)
• M2: 691,890 km (0.104 R)
• M3: 1,368,521 km (0.089 R)
• M4: 2,012,989 km (0.086 R)
• M5: 3,179,104 km (0.081 R)
• M6: 3,745,033 km (0.027 R)
• M7: 4,357,188 km (0.029 R)
• M8: 6,055,572 km (0.073 R)
• M9: 6,682,387 km (0.105 R)
• M10: 7,152,274 km (0.096 R)
• M11: 7,526,418 km (0.077 R)
• M12: 8,535,456 km (0.075 R)
• M13: 9,022,996 km (0.085 R)
• M14: 9,771,583 km (0.099 R)
• M15: 11,354,179 km (0.1 R)
• M16: 12,024,826 km (0.118 R)
• M17: 12,555,300 km (0.059 R)
• M18: 13,795,168 km (0.092 R)
• M19: 14,196,090 km (0.091 R)
• M20: 15,398,258 km (0.043 R)
• M21: 16,417,918 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.7

Radius: 8.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.93 AU - 2.83 AU

Year: 2448 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 86.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,943,828 km

• M1: 107,112 km (0.114 R)
• M2: 590,612 km (0.078 R)
• M3: 1,143,676 km (0.083 R)
• M4: 1,495,829 km (0.026 R)
• M5: 2,297,524 km (0.108 R)
• M6: 2,711,761 km (0.109 R)
• M7: 3,189,127 km (0.068 R)
• M8: 3,522,581 km (0.118 R)
• M9: 3,976,461 km (0.086 R)
• M10: 4,925,360 km (0.079 R)
• M11: 6,690,765 km (0.034 R)
• M12: 7,264,323 km (0.095 R)
• M13: 8,000,644 km (0.109 R)
• M14: 8,898,081 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.6

Radius: 11.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.6 AU - 3.68 AU

Year: 3710 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,943,828 km

• M1: 142,118 km (0.09 R)
• M2: 645,964 km (0.065 R)
• M3: 1,822,401 km (0.111 R)
• M4: 2,288,099 km (0.037 R)
• M5: 2,898,459 km (0.057 R)
• M6: 3,973,918 km (0.12 R)
• M7: 4,401,020 km (0.112 R)
• M8: 5,026,488 km (0.108 R)
• M9: 7,017,038 km (0.112 R)
• M10: 7,937,663 km (0.098 R)
• M11: 8,901,223 km (0.075 R)
• M12: 10,936,352 km (0.1 R)
• M13: 16,821,981 km (0.11 R)
• M14: 18,175,543 km (0.111 R)
• M15: 22,138,241 km (0.11 R)

Asteroid Belt

Center: 5.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.7

Radius: 6.2

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.18 AU - 8 AU

Year: 13944 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,943,828 km

• M1: 77,342 km (0.093 R)
• M2: 502,350 km (0.103 R)
• M3: 731,833 km (0.084 R)
• M4: 965,505 km (0.117 R)
• M5: 1,223,561 km (0.084 R)
• M6: 1,527,245 km (0.107 R)
• M7: 2,489,757 km (0.058 R)
• M8: 3,721,696 km (0.047 R)
• M9: 4,062,330 km (0.08 R)
• M10: 4,740,607 km (0.081 R)
• M11: 7,184,737 km (0.096 R)
• M12: 12,408,695 km (0.078 R)
• M13: 14,781,018 km (0.099 R)
• M14: 16,073,394 km (0.1 R)
• M15: 16,747,182 km (0.084 R)
• M16: 18,070,824 km (0.096 R)
• M17: 19,212,107 km (0.071 R)
• M18: 20,836,739 km (0.102 R)
• M19: 23,394,564 km (0.106 R)
• M20: 24,650,438 km (0.102 R)
• M21: 27,825,204 km (0.093 R)
• M22: 28,686,588 km (0.064 R)
• M23: 35,722,476 km (0.119 R)
• M24: 35,974,997 km (0.12 R)
• M25: 44,115,814 km (0.093 R)
• M26: 48,456,845 km (0.063 R)
• M27: 49,702,546 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.7

Radius: 5.1

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.4 AU - 12.48 AU

Year: 22495 Days

Day: 20 Hours

Environment

Temp: -226 °C

Axial Tilt: 129.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,943,828 km

• M1: 128,355 km (0.074 R)
• M2: 417,079 km (0.081 R)
• M3: 672,891 km (0.089 R)
• M4: 1,284,597 km (0.109 R)
• M5: 5,150,206 km (0.099 R)
• M6: 8,873,996 km (0.092 R)
• M7: 9,722,665 km (0.111 R)
• M8: 19,752,304 km (0.083 R)
• M9: 20,735,162 km (0.043 R)
• M10: 27,654,363 km (0.106 R)
• M11: 32,173,565 km (0.07 R)
• M12: 37,564,923 km (0.08 R)
• M13: 38,518,310 km (0.118 R)
• M14: 63,590,913 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 18,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit