🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.19 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.13 AU - 2.61 AU

Year: 1326 Days

Day: 20.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,102,146 km

• M1: 1,487,003 km (0.104 R)

Asteroid Belt

Center: 10.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Ice Giant

Semi-Major Axis: 18.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.2

Radius: 5.8

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 16.96 AU - 19.56 AU

Year: 28358 Days

Day: 16.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,102,146 km

• M1: 72,106 km (0.068 R)
• M2: 296,204 km (0.098 R)
• M3: 791,522 km (0.102 R)
• M4: 1,070,373 km (0.039 R)
• M5: 1,576,762 km (0.085 R)
• M6: 2,042,011 km (0.115 R)
• M7: 2,523,417 km (0.077 R)
• M8: 3,470,371 km (0.103 R)
• M9: 3,740,096 km (0.116 R)
• M10: 4,154,333 km (0.119 R)
• M11: 4,634,093 km (0.058 R)
• M12: 6,428,071 km (0.072 R)
• M13: 7,212,113 km (0.113 R)
• M14: 8,109,850 km (0.075 R)
• M15: 9,945,266 km (0.051 R)
• M16: 11,183,338 km (0.073 R)
• M17: 12,660,019 km (0.088 R)
• M18: 13,227,743 km (0.026 R)
• M19: 14,186,366 km (0.084 R)
• M20: 16,241,242 km (0.065 R)
• M21: 21,324,279 km (0.057 R)
• M22: 21,723,406 km (0.065 R)
• M23: 23,054,827 km (0.094 R)
• M24: 23,793,990 km (0.119 R)
• M25: 25,430,591 km (0.105 R)
• M26: 27,491,900 km (0.107 R)
• M27: 30,535,917 km (0.114 R)
• M28: 37,862,623 km (0.068 R)
• M29: 40,695,707 km (0.09 R)
• M30: 51,453,140 km (0.091 R)
• M31: 58,738,557 km (0.117 R)
• M32: 60,512,189 km (0.112 R)
• M33: 61,916,165 km (0.094 R)
• M34: 66,258,243 km (0.095 R)
• M35: 67,964,407 km (0.116 R)
• M36: 71,241,947 km (0.049 R)
• M37: 72,806,741 km (0.11 R)

Planet 3 - Ice Giant

Semi-Major Axis: 18.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.9

Radius: 4.2

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 14.4 AU - 22.8 AU

Year: 29154 Days

Day: 19.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,102,146 km

• M1: 74,051 km (0.056 R)
• M2: 230,680 km (0.094 R)
• M3: 363,822 km (0.111 R)
• M4: 929,751 km (0.093 R)
• M5: 1,085,033 km (0.082 R)
• M6: 1,402,630 km (0.12 R)
• M7: 2,079,261 km (0.114 R)
• M8: 2,220,631 km (0.047 R)
• M9: 2,731,059 km (0.038 R)
• M10: 4,135,932 km (0.083 R)
• M11: 5,377,894 km (0.112 R)
• M12: 7,440,400 km (0.119 R)
• M13: 7,918,066 km (0.039 R)
• M14: 8,214,120 km (0.119 R)
• M15: 11,976,506 km (0.067 R)
• M16: 16,032,553 km (0.082 R)
• M17: 17,899,684 km (0.114 R)
• M18: 19,369,484 km (0.098 R)
• M19: 19,906,839 km (0.06 R)
• M20: 21,105,118 km (0.086 R)
• M21: 21,674,188 km (0.049 R)
• M22: 26,929,711 km (0.117 R)
• M23: 31,233,343 km (0.071 R)
• M24: 31,847,891 km (0.106 R)
• M25: 32,974,512 km (0.102 R)
• M26: 37,608,157 km (0.079 R)
• M27: 40,441,391 km (0.102 R)
• M28: 40,878,217 km (0.092 R)
• M29: 43,413,601 km (0.114 R)
• M30: 44,178,794 km (0.101 R)
• M31: 45,265,174 km (0.068 R)
• M32: 48,139,996 km (0.116 R)
• M33: 48,795,085 km (0.034 R)
• M34: 51,304,141 km (0.069 R)
• M35: 52,331,430 km (0.107 R)
• M36: 57,674,317 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.7

Radius: 7.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 16.62 AU - 23.14 AU

Year: 32215 Days

Day: 19.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,102,146 km

• M1: 94,995 km (0.055 R)
• M2: 462,856 km (0.096 R)
• M3: 875,896 km (0.099 R)
• M4: 1,454,241 km (0.111 R)
• M5: 1,708,707 km (0.083 R)
• M6: 2,308,744 km (0.106 R)
• M7: 2,609,286 km (0.111 R)
• M8: 3,233,109 km (0.113 R)
• M9: 4,082,376 km (0.099 R)
• M10: 7,419,007 km (0.095 R)
• M11: 12,029,165 km (0.087 R)
• M12: 14,266,102 km (0.108 R)
• M13: 14,807,197 km (0.067 R)
• M14: 16,261,289 km (0.104 R)
• M15: 19,170,219 km (0.115 R)
• M16: 24,211,219 km (0.11 R)
• M17: 24,980,900 km (0.102 R)
• M18: 26,453,391 km (0.115 R)
• M19: 29,944,856 km (0.112 R)
• M20: 31,735,393 km (0.114 R)
• M21: 33,191,429 km (0.097 R)
• M22: 38,120,230 km (0.073 R)
• M23: 43,354,660 km (0.093 R)
• M24: 43,676,744 km (0.119 R)
• M25: 51,892,958 km (0.114 R)
• M26: 54,283,233 km (0.076 R)
• M27: 68,863,041 km (0.067 R)
• M28: 73,560,415 km (0.113 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 17,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit