🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.6

Radius: 12.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,819,928 km

• M1: 150,495 km (0.082 R)
• M2: 644,468 km (0.117 R)
• M3: 1,289,384 km (0.118 R)
• M4: 1,821,504 km (0.086 R)
• M5: 2,646,087 km (0.082 R)
• M6: 4,180,512 km (0.094 R)
• M7: 4,738,513 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 8.2

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.13 AU - 2.99 AU

Year: 2778 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,819,928 km

• M1: 102,026 km (0.075 R)
• M2: 374,294 km (0.116 R)
• M3: 939,475 km (0.051 R)
• M4: 1,213,987 km (0.085 R)
• M5: 2,020,918 km (0.109 R)
• M6: 2,324,003 km (0.082 R)
• M7: 3,128,241 km (0.112 R)
• M8: 3,979,303 km (0.096 R)
• M9: 5,050,125 km (0.105 R)
• M10: 5,692,498 km (0.104 R)
• M11: 8,638,230 km (0.099 R)
• M12: 9,329,970 km (0.103 R)
• M13: 10,176,545 km (0.04 R)
• M14: 11,412,223 km (0.044 R)
• M15: 11,714,411 km (0.033 R)
• M16: 12,515,956 km (0.098 R)
• M17: 15,983,485 km (0.027 R)
• M18: 19,609,139 km (0.09 R)
• M19: 20,801,883 km (0.091 R)
• M20: 22,242,511 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 9.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.5 AU - 5.24 AU

Year: 7289 Days

Day: 9 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,819,928 km

• M1: 149,598 km (0.073 R)
• M2: 455,675 km (0.119 R)
• M3: 1,014,722 km (0.103 R)
• M4: 1,617,153 km (0.112 R)
• M5: 2,163,185 km (0.085 R)
• M6: 2,566,052 km (0.093 R)
• M7: 3,199,001 km (0.083 R)
• M8: 6,038,817 km (0.113 R)
• M9: 7,883,060 km (0.095 R)
• M10: 9,717,279 km (0.088 R)
• M11: 19,600,762 km (0.077 R)
• M12: 20,173,273 km (0.043 R)
• M13: 21,152,092 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 12.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.22 AU - 5.54 AU

Year: 8464 Days

Day: 14.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,819,928 km

• M1: 152,291 km (0.073 R)
• M2: 617,241 km (0.032 R)
• M3: 1,169,107 km (0.093 R)
• M4: 1,588,131 km (0.06 R)
• M5: 2,229,756 km (0.048 R)
• M6: 2,973,407 km (0.103 R)
• M7: 3,403,950 km (0.098 R)
• M8: 4,801,044 km (0.118 R)
• M9: 5,972,097 km (0.08 R)
• M10: 6,587,393 km (0.067 R)
• M11: 9,969,352 km (0.088 R)
• M12: 11,047,952 km (0.105 R)
• M13: 15,473,357 km (0.074 R)
• M14: 16,219,102 km (0.112 R)
• M15: 18,600,251 km (0.119 R)
• M16: 19,443,235 km (0.038 R)
• M17: 20,231,766 km (0.095 R)
• M18: 22,898,348 km (0.079 R)
• M19: 24,679,310 km (0.049 R)
• M20: 27,130,322 km (0.09 R)
• M21: 30,364,478 km (0.101 R)
• M22: 39,558,015 km (0.077 R)
• M23: 42,115,989 km (0.105 R)
• M24: 44,240,429 km (0.075 R)
• M25: 44,646,587 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.2

Radius: 7.8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.38 AU - 8.2 AU

Year: 12000 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,819,928 km

• M1: 97,239 km (0.095 R)
• M2: 350,358 km (0.115 R)
• M3: 1,151,455 km (0.115 R)
• M4: 1,420,282 km (0.119 R)
• M5: 3,537,242 km (0.084 R)
• M6: 3,915,126 km (0.058 R)
• M7: 4,260,248 km (0.119 R)
• M8: 4,625,716 km (0.11 R)
• M9: 5,212,738 km (0.097 R)
• M10: 6,856,968 km (0.096 R)
• M11: 7,316,832 km (0.043 R)
• M12: 8,022,036 km (0.099 R)
• M13: 9,983,115 km (0.102 R)
• M14: 11,766,471 km (0.104 R)
• M15: 13,364,027 km (0.037 R)
• M16: 14,081,648 km (0.057 R)
• M17: 17,286,632 km (0.118 R)
• M18: 18,138,143 km (0.115 R)
• M19: 19,508,759 km (0.03 R)
• M20: 21,033,909 km (0.111 R)
• M21: 23,189,016 km (0.079 R)
• M22: 26,386,521 km (0.053 R)
• M23: 26,690,953 km (0.086 R)
• M24: 27,618,609 km (0.082 R)
• M25: 30,753,881 km (0.092 R)
• M26: 33,998,659 km (0.111 R)
• M27: 37,721,103 km (0.103 R)
• M28: 39,946,521 km (0.108 R)
• M29: 48,804,510 km (0.102 R)
• M30: 51,760,414 km (0.038 R)
• M31: 54,176,570 km (0.112 R)
• M32: 55,329,520 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 3

Gravity: 61.88 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.37 AU - 9.71 AU

Year: 15462 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 129.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,819,928 km

• M1: 43,533 km (0.06 R)
• M2: 264,339 km (0.114 R)
• M3: 2,689,321 km (0.102 R)
• M4: 3,317,632 km (0.037 R)
• M5: 4,127,555 km (0.107 R)
• M6: 4,279,397 km (0.083 R)
• M7: 7,554,992 km (0.057 R)
• M8: 7,690,976 km (0.072 R)
• M9: 8,887,310 km (0.11 R)
• M10: 15,272,297 km (0.098 R)
• M11: 16,531,014 km (0.104 R)
• M12: 17,937,383 km (0.098 R)
• M13: 21,981,163 km (0.061 R)
• M14: 30,189,150 km (0.119 R)
• M15: 31,339,856 km (0.095 R)
• M16: 35,851,728 km (0.114 R)
• M17: 37,141,411 km (0.077 R)
• M18: 39,540,213 km (0.071 R)
• M19: 43,909,967 km (0.082 R)
• M20: 56,476,637 km (0.078 R)
• M21: 58,573,251 km (0.075 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 15,822 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit