🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 8.9

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.4 AU - 0.62 AU

Year: 251 Days

Day: 5.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,787,711 km

• M1: 110,702 km (0.116 R)
• M2: 390,002 km (0.104 R)
• M3: 791,223 km (0.074 R)
• M4: 1,136,345 km (0.083 R)
• M5: 1,456,335 km (0.081 R)
• M6: 1,778,569 km (0.112 R)
• M7: 2,313,681 km (0.103 R)
• M8: 2,713,107 km (0.069 R)
• M9: 3,244,927 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.2

Radius: 9.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.66 AU - 0.72 AU

Year: 396 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,787,711 km

• M1: 119,379 km (0.112 R)
• M2: 603,478 km (0.103 R)
• M3: 1,219,821 km (0.056 R)
• M4: 1,807,741 km (0.089 R)
• M5: 2,655,063 km (0.046 R)
• M6: 3,393,029 km (0.071 R)
• M7: 3,758,347 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 14.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.98 AU - 1.14 AU

Year: 753 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,787,711 km

• M1: 179,069 km (0.076 R)
• M2: 1,072,318 km (0.096 R)
• M3: 1,860,848 km (0.082 R)
• M4: 2,348,088 km (0.069 R)
• M5: 3,695,067 km (0.069 R)
• M6: 4,446,198 km (0.066 R)
• M7: 5,743,960 km (0.114 R)
• M8: 6,352,524 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 13.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.53 AU - 5.51 AU

Year: 6633 Days

Day: 11.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,787,711 km

• M1: 166,652 km (0.054 R)
• M2: 589,864 km (0.057 R)
• M3: 1,336,956 km (0.112 R)
• M4: 2,777,733 km (0.048 R)
• M5: 3,307,908 km (0.079 R)
• M6: 3,785,275 km (0.106 R)
• M7: 5,318,952 km (0.093 R)
• M8: 6,142,638 km (0.057 R)
• M9: 9,174,239 km (0.102 R)
• M10: 11,440,348 km (0.09 R)
• M11: 12,433,079 km (0.067 R)
• M12: 14,770,097 km (0.041 R)
• M13: 16,202,497 km (0.043 R)
• M14: 16,919,370 km (0.095 R)
• M15: 17,657,485 km (0.107 R)
• M16: 23,852,782 km (0.104 R)
• M17: 26,262,654 km (0.106 R)
• M18: 29,787,180 km (0.12 R)
• M19: 32,067,201 km (0.087 R)
• M20: 33,931,041 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 10.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.94 AU - 6.22 AU

Year: 7903 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,787,711 km

• M1: 148,850 km (0.106 R)
• M2: 667,506 km (0.118 R)
• M3: 1,166,265 km (0.113 R)
• M4: 1,651,560 km (0.113 R)
• M5: 2,011,194 km (0.041 R)
• M6: 2,932,118 km (0.118 R)
• M7: 3,420,406 km (0.109 R)
• M8: 5,649,564 km (0.099 R)
• M9: 6,170,763 km (0.069 R)
• M10: 7,499,341 km (0.093 R)
• M11: 8,292,360 km (0.103 R)
• M12: 8,624,916 km (0.096 R)
• M13: 8,966,298 km (0.089 R)
• M14: 11,771,108 km (0.079 R)
• M15: 12,952,184 km (0.096 R)
• M16: 13,400,678 km (0.113 R)
• M17: 18,403,829 km (0.104 R)
• M18: 20,365,357 km (0.097 R)
• M19: 21,125,912 km (0.116 R)
• M20: 21,513,371 km (0.115 R)
• M21: 28,000,981 km (0.092 R)
• M22: 28,562,721 km (0.047 R)
• M23: 32,604,706 km (0.106 R)
• M24: 33,122,315 km (0.098 R)
• M25: 35,902,891 km (0.112 R)
• M26: 37,462,897 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.6

Radius: 3.5

Gravity: 49.6 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.87 AU - 6.89 AU

Year: 9842 Days

Day: 20 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,787,711 km

• M1: 43,533 km (0.054 R)
• M2: 188,194 km (0.117 R)
• M3: 327,171 km (0.119 R)
• M4: 447,298 km (0.072 R)
• M5: 900,280 km (0.093 R)
• M6: 1,153,848 km (0.105 R)
• M7: 1,493,735 km (0.109 R)
• M8: 1,864,588 km (0.111 R)
• M9: 1,995,336 km (0.085 R)
• M10: 2,132,368 km (0.075 R)
• M11: 2,521,921 km (0.104 R)
• M12: 3,001,083 km (0.066 R)
• M13: 3,204,087 km (0.045 R)
• M14: 3,320,923 km (0.05 R)
• M15: 4,247,532 km (0.107 R)
• M16: 7,014,644 km (0.049 R)
• M17: 7,535,394 km (0.114 R)
• M18: 8,653,040 km (0.098 R)
• M19: 10,998,585 km (0.062 R)
• M20: 13,250,931 km (0.11 R)
• M21: 13,613,406 km (0.077 R)
• M22: 14,804,504 km (0.029 R)
• M23: 15,658,409 km (0.106 R)
• M24: 15,792,598 km (0.065 R)
• M25: 17,391,949 km (0.09 R)
• M26: 20,424,747 km (0.07 R)
• M27: 22,488,898 km (0.11 R)
• M28: 22,831,627 km (0.058 R)
• M29: 27,413,361 km (0.118 R)
• M30: 29,610,056 km (0.111 R)
• M31: 34,689,951 km (0.07 R)
• M32: 38,097,342 km (0.107 R)
• M33: 41,721,201 km (0.098 R)
• M34: 43,153,750 km (0.085 R)
• M35: 44,618,762 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.6

Radius: 7.2

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.7 AU - 8.7 AU

Year: 16208 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,787,711 km

• M1: 89,609 km (0.086 R)
• M2: 497,114 km (0.09 R)
• M3: 779,405 km (0.056 R)
• M4: 1,120,937 km (0.048 R)
• M5: 1,605,185 km (0.08 R)
• M6: 2,541,369 km (0.087 R)
• M7: 2,823,959 km (0.079 R)
• M8: 3,225,330 km (0.097 R)
• M9: 4,919,376 km (0.083 R)
• M10: 6,051,533 km (0.074 R)
• M11: 7,134,322 km (0.088 R)
• M12: 7,566,511 km (0.066 R)
• M13: 8,294,005 km (0.063 R)
• M14: 9,369,165 km (0.106 R)
• M15: 11,382,453 km (0.113 R)
• M16: 11,734,158 km (0.072 R)
• M17: 16,613,292 km (0.049 R)
• M18: 18,393,357 km (0.119 R)
• M19: 20,296,841 km (0.059 R)
• M20: 20,640,766 km (0.071 R)
• M21: 21,076,096 km (0.045 R)
• M22: 22,055,513 km (0.119 R)
• M23: 22,327,931 km (0.108 R)
• M24: 23,065,000 km (0.101 R)
• M25: 23,345,496 km (0.103 R)
• M26: 23,818,225 km (0.059 R)
• M27: 24,880,519 km (0.053 R)
• M28: 26,379,640 km (0.071 R)
• M29: 35,279,217 km (0.108 R)
• M30: 37,554,301 km (0.067 R)
• M31: 55,605,379 km (0.069 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: 398 - 15,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit