🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 10.3

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.55 AU - 3.63 AU

Year: 4614 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,561,337 km

• M1: 128,205 km (0.11 R)
• M2: 829,221 km (0.092 R)
• M3: 1,309,281 km (0.1 R)
• M4: 2,029,894 km (0.054 R)
• M5: 2,886,192 km (0.053 R)
• M6: 4,064,873 km (0.101 R)
• M7: 4,686,602 km (0.044 R)
• M8: 5,043,393 km (0.076 R)
• M9: 5,370,414 km (0.034 R)
• M10: 8,105,661 km (0.068 R)
• M11: 11,417,010 km (0.081 R)
• M12: 12,911,194 km (0.068 R)
• M13: 17,633,550 km (0.079 R)

Asteroid Belt

Center: 4.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.4

Radius: 7.5

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.48 AU - 7.32 AU

Year: 9720 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,561,337 km

• M1: 95,443 km (0.083 R)
• M2: 423,063 km (0.091 R)
• M3: 795,561 km (0.1 R)
• M4: 1,094,608 km (0.045 R)
• M5: 1,649,167 km (0.111 R)
• M6: 2,057,420 km (0.086 R)
• M7: 2,322,507 km (0.067 R)
• M8: 2,590,437 km (0.067 R)
• M9: 3,258,541 km (0.077 R)
• M10: 3,645,700 km (0.117 R)
• M11: 6,646,185 km (0.113 R)
• M12: 6,914,414 km (0.078 R)
• M13: 7,150,030 km (0.095 R)
• M14: 7,679,158 km (0.119 R)
• M15: 8,543,684 km (0.113 R)
• M16: 8,815,204 km (0.116 R)
• M17: 10,311,482 km (0.077 R)
• M18: 10,723,624 km (0.054 R)
• M19: 12,082,721 km (0.1 R)
• M20: 15,138,407 km (0.064 R)
• M21: 16,914,882 km (0.032 R)
• M22: 17,415,885 km (0.097 R)
• M23: 20,551,456 km (0.113 R)
• M24: 24,586,560 km (0.091 R)
• M25: 36,029,600 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167

Radius: 6.3

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.15 AU - 8.63 AU

Year: 15032 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,561,337 km

• M1: 79,287 km (0.039 R)
• M2: 387,309 km (0.099 R)
• M3: 683,812 km (0.069 R)
• M4: 920,924 km (0.058 R)
• M5: 1,449,454 km (0.038 R)
• M6: 1,892,712 km (0.104 R)
• M7: 2,422,438 km (0.087 R)
• M8: 2,761,277 km (0.097 R)
• M9: 2,962,935 km (0.115 R)
• M10: 3,261,832 km (0.12 R)
• M11: 3,510,763 km (0.103 R)
• M12: 4,097,934 km (0.09 R)
• M13: 4,388,154 km (0.082 R)
• M14: 4,863,427 km (0.031 R)
• M15: 6,602,652 km (0.043 R)
• M16: 8,297,147 km (0.075 R)
• M17: 13,016,810 km (0.087 R)
• M18: 14,232,592 km (0.113 R)
• M19: 14,715,045 km (0.107 R)
• M20: 15,146,186 km (0.045 R)
• M21: 16,098,227 km (0.068 R)
• M22: 18,402,782 km (0.105 R)
• M23: 21,779,206 km (0.059 R)
• M24: 22,178,034 km (0.057 R)
• M25: 25,282,938 km (0.119 R)
• M26: 28,380,810 km (0.112 R)
• M27: 30,020,702 km (0.055 R)
• M28: 31,417,797 km (0.113 R)
• M29: 32,338,422 km (0.055 R)
• M30: 33,487,932 km (0.057 R)
• M31: 36,873,781 km (0.101 R)
• M32: 37,783,186 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.9

Radius: 7.9

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.38 AU - 10.32 AU

Year: 19391 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,561,337 km

• M1: 118,930 km (0.069 R)
• M2: 587,172 km (0.094 R)
• M3: 906,413 km (0.08 R)
• M4: 1,252,583 km (0.112 R)
• M5: 1,776,026 km (0.12 R)
• M6: 2,068,041 km (0.101 R)
• M7: 2,392,220 km (0.106 R)
• M8: 3,514,054 km (0.091 R)
• M9: 3,850,200 km (0.11 R)
• M10: 4,309,167 km (0.11 R)
• M11: 6,339,659 km (0.087 R)
• M12: 9,104,526 km (0.072 R)
• M13: 11,231,210 km (0.078 R)
• M14: 12,030,960 km (0.111 R)
• M15: 13,083,231 km (0.029 R)
• M16: 14,119,496 km (0.101 R)
• M17: 15,450,318 km (0.071 R)
• M18: 17,120,728 km (0.084 R)
• M19: 17,821,295 km (0.091 R)
• M20: 19,467,620 km (0.104 R)
• M21: 20,717,959 km (0.104 R)
• M22: 21,412,841 km (0.106 R)
• M23: 23,165,380 km (0.04 R)
• M24: 24,458,504 km (0.102 R)
• M25: 25,459,463 km (0.069 R)
• M26: 31,653,413 km (0.085 R)
• M27: 32,841,520 km (0.066 R)
• M28: 34,887,420 km (0.057 R)
• M29: 36,012,546 km (0.115 R)
• M30: 37,016,796 km (0.027 R)
• M31: 45,899,319 km (0.119 R)
• M32: 47,591,271 km (0.111 R)
• M33: 48,974,453 km (0.088 R)
• M34: 53,284,667 km (0.085 R)
• M35: 56,294,576 km (0.104 R)
• M36: 60,013,729 km (0.072 R)
• M37: 71,023,534 km (0.102 R)
• M38: 77,237,680 km (0.177 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit