🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 13.5

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.29 AU - 1.61 AU

Year: 1127 Days

Day: 10.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,623,520 km

• M1: 168,298 km (0.048 R)
• M2: 737,817 km (0.093 R)
• M3: 1,189,303 km (0.118 R)
• M4: 2,376,512 km (0.103 R)
• M5: 2,928,229 km (0.119 R)
• M6: 3,356,527 km (0.063 R)
• M7: 4,473,276 km (0.051 R)
• M8: 5,396,743 km (0.11 R)
• M9: 6,295,378 km (0.111 R)
• M10: 7,221,837 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.3

Radius: 11.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.46 AU - 1.66 AU

Year: 1258 Days

Day: 9 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,623,520 km

• M1: 141,968 km (0.109 R)
• M2: 592,557 km (0.086 R)
• M3: 1,078,601 km (0.071 R)
• M4: 1,436,588 km (0.106 R)
• M5: 2,246,810 km (0.097 R)
• M6: 2,923,741 km (0.09 R)
• M7: 3,442,397 km (0.104 R)
• M8: 4,071,456 km (0.051 R)
• M9: 4,520,548 km (0.117 R)
• M10: 5,079,596 km (0.092 R)
• M11: 5,539,160 km (0.034 R)
• M12: 5,918,092 km (0.099 R)
• M13: 6,291,787 km (0.048 R)
• M14: 7,895,327 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 11.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.9 AU - 1.9 AU

Year: 1691 Days

Day: 13.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,623,520 km

• M1: 145,559 km (0.062 R)
• M2: 572,810 km (0.056 R)
• M3: 950,694 km (0.029 R)
• M4: 1,321,248 km (0.069 R)
• M5: 1,722,919 km (0.107 R)
• M6: 2,264,912 km (0.092 R)
• M7: 3,359,519 km (0.067 R)
• M8: 3,964,792 km (0.087 R)
• M9: 4,622,275 km (0.118 R)
• M10: 5,699,230 km (0.105 R)
• M11: 6,636,162 km (0.114 R)
• M12: 7,350,940 km (0.092 R)
• M13: 8,004,084 km (0.092 R)
• M14: 8,606,814 km (0.119 R)
• M15: 10,429,964 km (0.108 R)
• M16: 11,575,584 km (0.09 R)
• M17: 12,272,261 km (0.098 R)
• M18: 12,649,996 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 10.2

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.13 AU - 2.57 AU

Year: 2326 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,623,520 km

• M1: 127,457 km (0.057 R)
• M2: 600,037 km (0.102 R)
• M3: 1,498,073 km (0.049 R)
• M4: 1,866,233 km (0.109 R)
• M5: 3,300,727 km (0.117 R)
• M6: 4,490,180 km (0.064 R)
• M7: 5,099,791 km (0.108 R)
• M8: 5,763,707 km (0.047 R)
• M9: 6,237,483 km (0.092 R)
• M10: 6,652,169 km (0.103 R)
• M11: 7,691,575 km (0.12 R)
• M12: 8,201,404 km (0.071 R)
• M13: 9,575,012 km (0.072 R)
• M14: 10,203,024 km (0.041 R)
• M15: 13,533,671 km (0.117 R)
• M16: 14,563,353 km (0.112 R)
• M17: 15,195,853 km (0.084 R)
• M18: 16,307,963 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351

Radius: 14.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.18 AU - 2.86 AU

Year: 2583 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,623,520 km

• M1: 176,825 km (0.052 R)
• M2: 652,696 km (0.104 R)
• M3: 1,348,924 km (0.042 R)
• M4: 1,963,921 km (0.091 R)
• M5: 3,582,420 km (0.108 R)
• M6: 4,478,811 km (0.119 R)
• M7: 6,408,922 km (0.076 R)
• M8: 7,198,051 km (0.065 R)
• M9: 10,234,738 km (0.089 R)
• M10: 11,055,582 km (0.097 R)
• M11: 12,869,606 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.2

Radius: 14.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.91 AU - 3.85 AU

Year: 4012 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,623,520 km

• M1: 187,596 km (0.084 R)
• M2: 632,201 km (0.119 R)
• M3: 1,096,403 km (0.06 R)
• M4: 2,932,866 km (0.052 R)
• M5: 3,546,068 km (0.092 R)
• M6: 6,320,061 km (0.068 R)
• M7: 8,595,295 km (0.056 R)
• M8: 9,059,049 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.9

Radius: 4.2

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.03 AU - 7.15 AU

Year: 9704 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,623,520 km

• M1: 56,398 km (0.082 R)
• M2: 308,620 km (0.069 R)
• M3: 483,201 km (0.092 R)
• M4: 838,197 km (0.072 R)
• M5: 974,630 km (0.073 R)
• M6: 1,239,119 km (0.053 R)
• M7: 1,525,150 km (0.089 R)
• M8: 2,408,077 km (0.068 R)
• M9: 3,457,207 km (0.054 R)
• M10: 4,191,134 km (0.093 R)
• M11: 5,929,910 km (0.065 R)
• M12: 6,340,556 km (0.079 R)
• M13: 6,837,520 km (0.082 R)
• M14: 7,289,007 km (0.044 R)
• M15: 8,059,884 km (0.098 R)
• M16: 8,682,511 km (0.067 R)
• M17: 10,155,451 km (0.1 R)
• M18: 10,927,676 km (0.108 R)
• M19: 14,748,106 km (0.065 R)
• M20: 14,919,545 km (0.109 R)
• M21: 17,715,679 km (0.064 R)
• M22: 18,169,559 km (0.034 R)
• M23: 18,366,579 km (0.098 R)
• M24: 26,274,772 km (0.116 R)
• M25: 27,723,477 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 18,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit