🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 11.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.67 AU - 0.83 AU

Year: 433 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,010,422 km

• M1: 149,598 km (0.077 R)
• M2: 524,041 km (0.1 R)
• M3: 956,678 km (0.066 R)
• M4: 1,388,268 km (0.069 R)
• M5: 1,802,654 km (0.102 R)
• M6: 2,228,709 km (0.064 R)
• M7: 2,732,405 km (0.075 R)
• M8: 4,010,869 km (0.097 R)
• M9: 4,481,952 km (0.043 R)
• M10: 5,274,223 km (0.108 R)
• M11: 5,927,816 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 14.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.45 AU - 5.83 AU

Year: 7771 Days

Day: 12.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,010,422 km

• M1: 179,667 km (0.087 R)
• M2: 784,940 km (0.085 R)
• M3: 1,456,036 km (0.096 R)
• M4: 2,270,297 km (0.075 R)
• M5: 2,808,251 km (0.119 R)
• M6: 3,611,293 km (0.083 R)
• M7: 5,189,849 km (0.091 R)
• M8: 8,328,263 km (0.088 R)
• M9: 10,318,812 km (0.066 R)
• M10: 10,786,754 km (0.046 R)
• M11: 12,323,873 km (0.066 R)
• M12: 14,789,993 km (0.043 R)
• M13: 15,717,650 km (0.107 R)
• M14: 18,237,925 km (0.064 R)
• M15: 19,561,866 km (0.11 R)
• M16: 23,771,550 km (0.034 R)
• M17: 25,350,706 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 11.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.12 AU - 5.92 AU

Year: 8648 Days

Day: 12.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,010,422 km

• M1: 148,999 km (0.108 R)
• M2: 674,387 km (0.036 R)
• M3: 1,047,035 km (0.082 R)
• M4: 1,917,097 km (0.067 R)
• M5: 2,553,037 km (0.053 R)
• M6: 4,170,041 km (0.103 R)
• M7: 5,007,639 km (0.045 R)
• M8: 5,451,496 km (0.079 R)
• M9: 6,117,057 km (0.114 R)
• M10: 6,659,948 km (0.086 R)
• M11: 7,496,499 km (0.079 R)
• M12: 8,039,240 km (0.111 R)
• M13: 8,944,905 km (0.114 R)
• M14: 9,334,458 km (0.118 R)
• M15: 9,690,202 km (0.07 R)
• M16: 10,194,347 km (0.093 R)
• M17: 10,909,874 km (0.035 R)
• M18: 14,403,283 km (0.079 R)
• M19: 14,999,879 km (0.083 R)
• M20: 15,550,998 km (0.077 R)
• M21: 17,218,865 km (0.048 R)
• M22: 17,823,090 km (0.101 R)
• M23: 23,259,028 km (0.114 R)
• M24: 24,163,946 km (0.091 R)
• M25: 27,561,762 km (0.05 R)
• M26: 35,720,830 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.6

Radius: 4.7

Gravity: 23.61 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.16 AU - 10.4 AU

Year: 17349 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,010,422 km

• M1: 58,493 km (0.093 R)
• M2: 526,585 km (0.076 R)
• M3: 739,911 km (0.111 R)
• M4: 942,167 km (0.052 R)
• M5: 1,093,112 km (0.104 R)
• M6: 1,504,655 km (0.084 R)
• M7: 1,662,930 km (0.089 R)
• M8: 1,957,638 km (0.093 R)
• M9: 2,266,109 km (0.089 R)
• M10: 3,775,102 km (0.057 R)
• M11: 4,905,314 km (0.084 R)
• M12: 5,735,582 km (0.078 R)
• M13: 7,396,119 km (0.088 R)
• M14: 11,325,756 km (0.083 R)
• M15: 14,109,622 km (0.115 R)
• M16: 14,460,280 km (0.058 R)
• M17: 15,325,703 km (0.119 R)
• M18: 17,477,968 km (0.094 R)
• M19: 18,794,280 km (0.112 R)
• M20: 20,352,342 km (0.111 R)
• M21: 21,345,821 km (0.073 R)
• M22: 25,333,801 km (0.091 R)
• M23: 26,271,181 km (0.075 R)
• M24: 29,108,454 km (0.116 R)
• M25: 33,118,276 km (0.116 R)
• M26: 35,126,328 km (0.105 R)
• M27: 37,614,739 km (0.083 R)
• M28: 42,211,582 km (0.093 R)
• M29: 42,647,062 km (0.104 R)
• M30: 46,702,959 km (0.105 R)
• M31: 47,637,796 km (0.1 R)
• M32: 49,384,202 km (0.084 R)
• M33: 49,545,020 km (0.085 R)
• M34: 60,582,201 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.7

Radius: 4.7

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.85 AU - 11.37 AU

Year: 18336 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,010,422 km

• M1: 58,493 km (0.111 R)
• M2: 474,824 km (0.105 R)
• M3: 769,232 km (0.05 R)
• M4: 1,308,981 km (0.084 R)
• M5: 1,840,951 km (0.106 R)
• M6: 2,849,989 km (0.089 R)
• M7: 3,436,712 km (0.046 R)
• M8: 4,815,406 km (0.097 R)
• M9: 5,250,436 km (0.117 R)
• M10: 5,986,308 km (0.114 R)
• M11: 7,910,586 km (0.039 R)
• M12: 8,383,315 km (0.103 R)
• M13: 9,150,453 km (0.117 R)
• M14: 14,192,799 km (0.116 R)
• M15: 16,489,575 km (0.114 R)
• M16: 17,402,122 km (0.053 R)
• M17: 21,145,360 km (0.099 R)
• M18: 23,246,911 km (0.085 R)
• M19: 25,576,000 km (0.108 R)
• M20: 25,947,601 km (0.029 R)
• M21: 27,180,288 km (0.079 R)
• M22: 31,748,259 km (0.113 R)
• M23: 35,983,075 km (0.117 R)
• M24: 36,449,671 km (0.118 R)
• M25: 44,875,771 km (0.107 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 11,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit