🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.4

Radius: 14.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 5.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,716,479 km

• M1: 184,005 km (0.111 R)
• M2: 667,954 km (0.102 R)
• M3: 1,190,799 km (0.071 R)
• M4: 2,189,664 km (0.078 R)
• M5: 2,889,333 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 8.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.52 AU - 5.14 AU

Year: 7200 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,716,479 km

• M1: 108,458 km (0.087 R)
• M2: 429,495 km (0.093 R)
• M3: 738,864 km (0.103 R)
• M4: 1,431,502 km (0.093 R)
• M5: 1,693,597 km (0.086 R)
• M6: 1,988,156 km (0.042 R)
• M7: 2,444,280 km (0.089 R)
• M8: 2,791,047 km (0.056 R)
• M9: 4,346,417 km (0.12 R)
• M10: 6,053,927 km (0.046 R)
• M11: 6,409,222 km (0.092 R)
• M12: 7,191,768 km (0.056 R)
• M13: 8,466,192 km (0.059 R)
• M14: 9,589,224 km (0.069 R)
• M15: 10,035,025 km (0.07 R)
• M16: 10,494,440 km (0.042 R)
• M17: 11,373,328 km (0.045 R)
• M18: 11,788,611 km (0.067 R)
• M19: 14,113,512 km (0.095 R)
• M20: 14,399,992 km (0.105 R)
• M21: 17,538,256 km (0.078 R)
• M22: 18,545,050 km (0.098 R)
• M23: 19,412,867 km (0.111 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.4

Radius: 3.5

Gravity: 35.71 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.77 AU - 10.91 AU

Year: 17827 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,716,479 km

• M1: 43,683 km (0.067 R)
• M2: 248,183 km (0.057 R)
• M3: 500,106 km (0.111 R)
• M4: 850,763 km (0.057 R)
• M5: 1,159,234 km (0.11 R)
• M6: 2,106,039 km (0.064 R)
• M7: 2,779,528 km (0.104 R)
• M8: 3,241,337 km (0.104 R)
• M9: 4,633,196 km (0.118 R)
• M10: 4,797,903 km (0.074 R)
• M11: 5,209,147 km (0.097 R)
• M12: 5,643,430 km (0.072 R)
• M13: 5,831,325 km (0.069 R)
• M14: 8,087,560 km (0.098 R)
• M15: 10,922,889 km (0.093 R)
• M16: 11,155,962 km (0.114 R)
• M17: 12,059,832 km (0.045 R)
• M18: 12,183,849 km (0.119 R)
• M19: 13,207,547 km (0.038 R)
• M20: 14,217,931 km (0.101 R)
• M21: 14,706,667 km (0.091 R)
• M22: 17,716,277 km (0.038 R)
• M23: 22,395,848 km (0.112 R)
• M24: 23,633,771 km (0.113 R)
• M25: 24,417,963 km (0.105 R)
• M26: 26,558,409 km (0.118 R)
• M27: 29,265,682 km (0.039 R)
• M28: 29,828,319 km (0.099 R)
• M29: 30,398,287 km (0.101 R)
• M30: 32,992,015 km (0.119 R)
• M31: 35,857,263 km (0.092 R)
• M32: 42,362,527 km (0.102 R)
• M33: 42,505,841 km (0.055 R)
• M34: 44,398,105 km (0.092 R)
• M35: 46,345,869 km (0.096 R)
• M36: 53,694,565 km (0.09 R)
• M37: 57,468,172 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.1

Radius: 7.4

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.65 AU - 11.05 AU

Year: 19391 Days

Day: 25 Hours

Environment

Temp: -243 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,716,479 km

• M1: 92,302 km (0.088 R)
• M2: 806,482 km (0.094 R)
• M3: 1,753,736 km (0.09 R)
• M4: 3,845,712 km (0.106 R)
• M5: 4,241,548 km (0.071 R)
• M6: 5,419,332 km (0.069 R)
• M7: 9,619,442 km (0.118 R)
• M8: 12,096,185 km (0.065 R)
• M9: 13,070,665 km (0.102 R)
• M10: 13,641,381 km (0.1 R)
• M11: 16,894,536 km (0.077 R)
• M12: 28,405,943 km (0.095 R)
• M13: 30,893,307 km (0.116 R)
• M14: 36,794,344 km (0.108 R)
• M15: 37,422,805 km (0.032 R)
• M16: 38,830,521 km (0.082 R)
• M17: 43,404,625 km (0.097 R)
• M18: 44,672,916 km (0.101 R)
• M19: 49,687,586 km (0.104 R)
• M20: 52,172,108 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.3

Radius: 6.4

Gravity: 20.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.73 AU - 12.45 AU

Year: 21738 Days

Day: 21.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,716,479 km

• M1: 80,334 km (0.086 R)
• M2: 692,788 km (0.081 R)
• M3: 1,027,438 km (0.114 R)
• M4: 1,567,486 km (0.119 R)
• M5: 1,784,852 km (0.096 R)
• M6: 2,303,807 km (0.087 R)
• M7: 4,833,507 km (0.095 R)
• M8: 5,877,700 km (0.055 R)
• M9: 6,636,910 km (0.084 R)
• M10: 9,660,881 km (0.114 R)
• M11: 11,776,045 km (0.056 R)
• M12: 12,904,911 km (0.077 R)
• M13: 13,721,715 km (0.09 R)
• M14: 16,809,266 km (0.106 R)
• M15: 17,071,062 km (0.107 R)
• M16: 17,602,882 km (0.074 R)
• M17: 17,873,056 km (0.117 R)
• M18: 21,639,930 km (0.077 R)
• M19: 21,846,226 km (0.109 R)
• M20: 25,788,279 km (0.117 R)
• M21: 27,683,086 km (0.043 R)
• M22: 32,551,599 km (0.116 R)
• M23: 39,478,280 km (0.049 R)
• M24: 45,612,241 km (0.093 R)
• M25: 49,260,185 km (0.027 R)
• M26: 63,871,559 km (0.071 R)
• M27: 72,038,855 km (0.221 R)
• M28: 76,013,969 km (0.076 R)
• M29: 77,210,453 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 16,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit