🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 10.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.91 AU - 1.07 AU

Year: 680 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,887,068 km

• M1: 129,552 km (0.111 R)
• M2: 501,901 km (0.109 R)
• M3: 1,014,124 km (0.064 R)
• M4: 1,600,697 km (0.043 R)
• M5: 1,976,637 km (0.085 R)
• M6: 2,372,173 km (0.086 R)
• M7: 3,888,647 km (0.097 R)
• M8: 6,328,439 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 8.6

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.05 AU - 1.27 AU

Year: 862 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,887,068 km

• M1: 107,710 km (0.078 R)
• M2: 398,529 km (0.119 R)
• M3: 719,267 km (0.108 R)
• M4: 1,344,885 km (0.11 R)
• M5: 2,026,154 km (0.069 R)
• M6: 2,530,598 km (0.06 R)
• M7: 2,971,762 km (0.099 R)
• M8: 3,713,917 km (0.051 R)
• M9: 5,023,796 km (0.067 R)
• M10: 5,561,899 km (0.104 R)
• M11: 6,159,094 km (0.1 R)
• M12: 6,866,991 km (0.11 R)
• M13: 8,764,640 km (0.061 R)
• M14: 9,775,622 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 9.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.26 AU - 1.42 AU

Year: 1071 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,887,068 km

• M1: 113,096 km (0.114 R)
• M2: 447,746 km (0.116 R)
• M3: 802,892 km (0.101 R)
• M4: 1,330,823 km (0.108 R)
• M5: 1,664,127 km (0.091 R)
• M6: 1,969,306 km (0.09 R)
• M7: 2,320,413 km (0.059 R)
• M8: 2,629,482 km (0.078 R)
• M9: 2,916,261 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 12.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.63 AU - 1.83 AU

Year: 1571 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,887,068 km

• M1: 153,039 km (0.102 R)
• M2: 566,378 km (0.045 R)
• M3: 1,083,687 km (0.117 R)
• M4: 1,655,001 km (0.111 R)
• M5: 2,606,892 km (0.119 R)
• M6: 3,133,028 km (0.093 R)
• M7: 3,961,501 km (0.115 R)
• M8: 5,398,239 km (0.104 R)
• M9: 6,007,102 km (0.117 R)
• M10: 6,422,386 km (0.045 R)
• M11: 7,182,792 km (0.111 R)
• M12: 8,279,644 km (0.047 R)
• M13: 9,060,844 km (0.069 R)
• M14: 9,922,378 km (0.051 R)
• M15: 10,373,266 km (0.071 R)
• M16: 11,630,935 km (0.113 R)
• M17: 12,351,847 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 13.2

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.2 AU - 3.6 AU

Year: 4327 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,887,068 km

• M1: 164,109 km (0.075 R)
• M2: 590,463 km (0.102 R)
• M3: 1,131,110 km (0.072 R)
• M4: 1,813,126 km (0.101 R)
• M5: 2,676,007 km (0.083 R)
• M6: 3,211,417 km (0.118 R)
• M7: 3,634,181 km (0.106 R)
• M8: 4,809,572 km (0.096 R)
• M9: 6,489,705 km (0.118 R)
• M10: 7,866,006 km (0.059 R)
• M11: 8,641,521 km (0.072 R)
• M12: 9,428,855 km (0.098 R)
• M13: 9,859,996 km (0.117 R)
• M14: 10,304,301 km (0.118 R)
• M15: 10,761,921 km (0.066 R)
• M16: 11,496,148 km (0.102 R)
• M17: 12,825,325 km (0.032 R)
• M18: 13,900,185 km (0.084 R)
• M19: 16,007,271 km (0.119 R)
• M20: 17,195,078 km (0.117 R)
• M21: 21,111,401 km (0.093 R)
• M22: 21,987,895 km (0.115 R)
• M23: 23,029,096 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540

Radius: 5.9

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.91 AU - 9.23 AU

Year: 18855 Days

Day: 16.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,887,068 km

• M1: 74,350 km (0.052 R)
• M2: 613,351 km (0.086 R)
• M3: 822,040 km (0.117 R)
• M4: 1,153,699 km (0.118 R)
• M5: 1,571,226 km (0.053 R)
• M6: 2,611,231 km (0.114 R)
• M7: 2,845,352 km (0.06 R)
• M8: 3,410,233 km (0.026 R)
• M9: 5,074,809 km (0.079 R)
• M10: 6,102,696 km (0.042 R)
• M11: 6,390,372 km (0.068 R)
• M12: 6,644,090 km (0.114 R)
• M13: 7,399,859 km (0.102 R)
• M14: 8,511,670 km (0.119 R)
• M15: 9,565,288 km (0.11 R)
• M16: 11,613,881 km (0.114 R)
• M17: 12,248,924 km (0.057 R)
• M18: 13,244,647 km (0.079 R)
• M19: 14,079,254 km (0.109 R)
• M20: 15,852,587 km (0.101 R)
• M21: 16,475,363 km (0.106 R)
• M22: 18,870,126 km (0.071 R)
• M23: 20,650,789 km (0.109 R)
• M24: 22,346,332 km (0.067 R)
• M25: 25,798,602 km (0.085 R)
• M26: 27,874,571 km (0.104 R)
• M27: 32,479,643 km (0.102 R)
• M28: 41,971,179 km (0.105 R)
• M29: 45,764,083 km (0.093 R)
• M30: 49,285,467 km (0.12 R)
• M31: 50,276,254 km (0.111 R)
• M32: 55,964,264 km (0.111 R)
• M33: 62,642,164 km (0.089 R)
• M34: 64,587,235 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.3

Radius: 6

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.13 AU - 11.75 AU

Year: 20020 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,887,068 km

• M1: 74,649 km (0.111 R)
• M2: 449,841 km (0.073 R)
• M3: 758,461 km (0.093 R)
• M4: 1,242,710 km (0.118 R)
• M5: 1,895,704 km (0.062 R)
• M6: 6,387,081 km (0.064 R)
• M7: 7,402,851 km (0.068 R)
• M8: 8,370,150 km (0.052 R)
• M9: 10,203,622 km (0.116 R)
• M10: 10,611,875 km (0.118 R)
• M11: 12,818,144 km (0.053 R)
• M12: 15,162,193 km (0.094 R)
• M13: 16,395,328 km (0.116 R)
• M14: 17,777,313 km (0.113 R)
• M15: 22,484,111 km (0.1 R)
• M16: 25,865,921 km (0.059 R)
• M17: 27,397,653 km (0.117 R)
• M18: 39,136,897 km (0.071 R)
• M19: 42,483,402 km (0.119 R)
• M20: 43,690,657 km (0.108 R)
• M21: 46,331,807 km (0.096 R)
• M22: 54,890,451 km (0.114 R)
• M23: 57,411,773 km (0.034 R)
• M24: 62,297,041 km (0.1 R)
• M25: 63,854,056 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 14,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit