🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 13.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,404,559 km

• M1: 164,258 km (0.101 R)
• M2: 612,304 km (0.066 R)
• M3: 1,104,930 km (0.095 R)
• M4: 1,676,843 km (0.091 R)
• M5: 2,940,197 km (0.088 R)
• M6: 3,576,735 km (0.104 R)
• M7: 4,207,889 km (0.051 R)
• M8: 4,973,232 km (0.093 R)
• M9: 5,446,559 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.2

Radius: 11.1

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,404,559 km

• M1: 139,276 km (0.118 R)
• M2: 488,886 km (0.086 R)
• M3: 1,012,628 km (0.072 R)
• M4: 1,561,054 km (0.093 R)
• M5: 1,949,111 km (0.108 R)
• M6: 3,064,213 km (0.107 R)
• M7: 3,455,561 km (0.068 R)
• M8: 3,892,237 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 13

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.3 AU - 1.92 AU

Year: 1362 Days

Day: 9.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,404,559 km

• M1: 166,353 km (0.119 R)
• M2: 608,714 km (0.067 R)
• M3: 1,281,306 km (0.089 R)
• M4: 2,597,917 km (0.059 R)
• M5: 3,820,281 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.2

Radius: 3.2

Gravity: 55.68 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.27 AU - 7.87 AU

Year: 12536 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,404,559 km

• M1: 39,793 km (0.098 R)
• M2: 157,527 km (0.104 R)
• M3: 524,939 km (0.101 R)
• M4: 2,026,902 km (0.081 R)
• M5: 3,243,731 km (0.112 R)
• M6: 3,810,856 km (0.114 R)
• M7: 4,974,129 km (0.104 R)
• M8: 5,238,917 km (0.107 R)
• M9: 6,906,934 km (0.074 R)
• M10: 7,405,244 km (0.053 R)
• M11: 8,334,097 km (0.094 R)
• M12: 11,813,145 km (0.098 R)
• M13: 12,403,608 km (0.114 R)
• M14: 15,653,921 km (0.083 R)
• M15: 16,438,113 km (0.03 R)
• M16: 17,173,237 km (0.101 R)
• M17: 23,307,947 km (0.112 R)
• M18: 28,292,548 km (0.048 R)
• M19: 28,501,386 km (0.073 R)
• M20: 28,816,439 km (0.082 R)
• M21: 34,178,326 km (0.112 R)
• M22: 38,226,893 km (0.089 R)
• M23: 39,124,780 km (0.093 R)
• M24: 43,270,885 km (0.104 R)
• M25: 43,687,066 km (0.071 R)
• M26: 49,644,502 km (0.029 R)
• M27: 50,253,066 km (0.105 R)
• M28: 50,866,717 km (0.101 R)
• M29: 52,265,606 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.6

Radius: 3.2

Gravity: 84.63 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.24 AU - 10.5 AU

Year: 22269 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,404,559 km

• M1: 39,793 km (0.094 R)
• M2: 262,095 km (0.111 R)
• M3: 1,046,288 km (0.115 R)
• M4: 1,231,041 km (0.044 R)
• M5: 1,592,918 km (0.076 R)
• M6: 2,473,750 km (0.114 R)
• M7: 2,775,489 km (0.047 R)
• M8: 3,421,752 km (0.101 R)
• M9: 4,266,531 km (0.073 R)
• M10: 4,662,517 km (0.114 R)
• M11: 4,888,559 km (0.056 R)
• M12: 5,695,191 km (0.084 R)
• M13: 11,555,837 km (0.083 R)
• M14: 11,830,499 km (0.106 R)
• M15: 15,064,655 km (0.09 R)
• M16: 17,103,076 km (0.12 R)
• M17: 19,998,393 km (0.086 R)
• M18: 20,394,229 km (0.092 R)
• M19: 22,135,099 km (0.071 R)
• M20: 30,740,268 km (0.063 R)
• M21: 44,439,543 km (0.07 R)
• M22: 48,583,255 km (0.093 R)
• M23: 57,628,391 km (0.085 R)
• M24: 63,390,003 km (0.102 R)
• M25: 63,602,582 km (0.049 R)
• M26: 66,409,636 km (0.072 R)
• M27: 79,447,240 km (0.098 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: 251 - 11,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit