🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.1

Radius: 10.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 9.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,668,898 km

• M1: 126,709 km (0.099 R)
• M2: 477,217 km (0.094 R)
• M3: 859,440 km (0.062 R)
• M4: 1,328,130 km (0.115 R)
• M5: 1,648,269 km (0.102 R)
• M6: 2,049,790 km (0.055 R)
• M7: 2,646,087 km (0.03 R)
• M8: 3,121,659 km (0.109 R)
• M9: 3,469,773 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.5

Radius: 13.3

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.84 AU - 1.22 AU

Year: 709 Days

Day: 6.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,668,898 km

• M1: 166,802 km (0.09 R)
• M2: 581,786 km (0.092 R)
• M3: 1,034,170 km (0.086 R)
• M4: 1,716,037 km (0.043 R)
• M5: 2,472,254 km (0.104 R)
• M6: 3,594,687 km (0.102 R)
• M7: 4,649,801 km (0.074 R)
• M8: 5,068,376 km (0.094 R)
• M9: 6,062,903 km (0.092 R)
• M10: 6,868,936 km (0.059 R)
• M11: 7,745,280 km (0.086 R)
• M12: 8,565,525 km (0.086 R)
• M13: 9,063,686 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 12.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.79 AU - 1.31 AU

Year: 730 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,668,898 km

• M1: 151,842 km (0.092 R)
• M2: 607,367 km (0.102 R)
• M3: 1,003,652 km (0.084 R)
• M4: 1,457,233 km (0.092 R)
• M5: 2,031,838 km (0.025 R)
• M6: 2,807,204 km (0.078 R)
• M7: 4,151,640 km (0.081 R)
• M8: 4,618,236 km (0.117 R)
• M9: 5,103,681 km (0.117 R)
• M10: 6,573,779 km (0.091 R)

Asteroid Belt

Center: 1.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 9.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.25 AU - 1.95 AU

Year: 1373 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,668,898 km

• M1: 159,621 km (0.065 R)
• M2: 445,802 km (0.059 R)
• M3: 778,208 km (0.065 R)
• M4: 1,180,178 km (0.03 R)
• M5: 2,093,921 km (0.106 R)
• M6: 2,424,383 km (0.119 R)
• M7: 2,911,324 km (0.11 R)
• M8: 3,204,835 km (0.099 R)
• M9: 4,384,414 km (0.074 R)
• M10: 4,702,908 km (0.073 R)
• M11: 5,127,317 km (0.113 R)
• M12: 5,481,266 km (0.108 R)
• M13: 6,176,148 km (0.112 R)
• M14: 6,795,334 km (0.092 R)
• M15: 7,223,034 km (0.115 R)
• M16: 8,107,756 km (0.116 R)
• M17: 8,435,226 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 11.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.61 AU - 2.43 AU

Year: 1947 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,668,898 km

• M1: 140,622 km (0.04 R)
• M2: 494,271 km (0.086 R)
• M3: 948,151 km (0.092 R)
• M4: 1,426,117 km (0.112 R)
• M5: 2,793,441 km (0.042 R)
• M6: 4,108,706 km (0.11 R)
• M7: 6,318,116 km (0.072 R)
• M8: 8,335,294 km (0.1 R)
• M9: 9,490,489 km (0.069 R)
• M10: 10,037,120 km (0.118 R)
• M11: 11,193,212 km (0.117 R)
• M12: 12,719,709 km (0.101 R)
• M13: 13,174,336 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.2

Radius: 5.4

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.79 AU - 7.07 AU

Year: 9794 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,668,898 km

• M1: 67,169 km (0.083 R)
• M2: 238,010 km (0.092 R)
• M3: 1,078,750 km (0.119 R)
• M4: 1,386,772 km (0.104 R)
• M5: 2,915,812 km (0.054 R)
• M6: 3,558,185 km (0.058 R)
• M7: 5,175,638 km (0.097 R)
• M8: 5,407,365 km (0.095 R)
• M9: 6,437,346 km (0.112 R)
• M10: 8,714,974 km (0.027 R)
• M11: 9,900,387 km (0.09 R)
• M12: 13,165,809 km (0.057 R)
• M13: 13,762,705 km (0.054 R)
• M14: 14,491,247 km (0.044 R)
• M15: 21,417,927 km (0.094 R)
• M16: 21,640,828 km (0.097 R)
• M17: 25,255,711 km (0.04 R)
• M18: 26,945,718 km (0.095 R)
• M19: 28,440,201 km (0.079 R)
• M20: 31,882,448 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.4

Radius: 3

Gravity: 52.71 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.7 AU - 6.32 AU

Year: 9993 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,668,898 km

• M1: 41,439 km (0.093 R)
• M2: 139,276 km (0.045 R)
• M3: 234,569 km (0.084 R)
• M4: 337,044 km (0.09 R)
• M5: 519,703 km (0.076 R)
• M6: 870,959 km (0.098 R)
• M7: 1,038,508 km (0.114 R)
• M8: 2,306,650 km (0.1 R)
• M9: 3,130,485 km (0.084 R)
• M10: 3,451,821 km (0.045 R)
• M11: 3,845,413 km (0.113 R)
• M12: 4,079,534 km (0.041 R)
• M13: 5,267,939 km (0.087 R)
• M14: 5,491,738 km (0.08 R)
• M15: 6,855,472 km (0.039 R)
• M16: 7,635,475 km (0.117 R)
• M17: 7,798,238 km (0.112 R)
• M18: 13,829,575 km (0.042 R)
• M19: 15,004,068 km (0.106 R)
• M20: 15,648,236 km (0.057 R)
• M21: 16,109,895 km (0.054 R)
• M22: 16,243,486 km (0.112 R)
• M23: 17,620,086 km (0.113 R)
• M24: 21,397,731 km (0.089 R)
• M25: 21,559,148 km (0.104 R)
• M26: 24,605,259 km (0.102 R)
• M27: 24,871,394 km (0.038 R)
• M28: 27,734,099 km (0.103 R)
• M29: 29,893,993 km (0.117 R)
• M30: 35,326,340 km (0.075 R)
• M31: 40,882,555 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.9

Radius: 4.2

Gravity: 34.01 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.87 AU - 10.71 AU

Year: 20776 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,668,898 km

• M1: 52,210 km (0.108 R)
• M2: 239,955 km (0.076 R)
• M3: 465,997 km (0.091 R)
• M4: 1,440,777 km (0.075 R)
• M5: 1,587,084 km (0.102 R)
• M6: 1,909,916 km (0.063 R)
• M7: 2,148,525 km (0.08 R)
• M8: 2,497,237 km (0.067 R)
• M9: 3,504,629 km (0.092 R)
• M10: 3,893,434 km (0.083 R)
• M11: 4,581,285 km (0.094 R)
• M12: 6,761,375 km (0.072 R)
• M13: 7,173,966 km (0.115 R)
• M14: 7,554,543 km (0.091 R)
• M15: 8,830,762 km (0.101 R)
• M16: 9,102,282 km (0.084 R)
• M17: 12,131,041 km (0.045 R)
• M18: 14,837,865 km (0.07 R)
• M19: 15,376,866 km (0.111 R)
• M20: 17,835,507 km (0.115 R)
• M21: 20,449,431 km (0.118 R)
• M22: 23,617,764 km (0.034 R)
• M23: 27,098,308 km (0.093 R)
• M24: 27,441,186 km (0.032 R)
• M25: 27,786,907 km (0.104 R)
• M26: 36,009,255 km (0.112 R)
• M27: 37,261,838 km (0.113 R)
• M28: 38,831,867 km (0.092 R)
• M29: 39,706,566 km (0.095 R)
• M30: 40,148,777 km (0.09 R)
• M31: 43,962,625 km (0.059 R)
• M32: 45,232,263 km (0.032 R)
• M33: 52,654,711 km (0.109 R)
• M34: 52,832,134 km (0.086 R)
• M35: 58,916,429 km (0.083 R)
• M36: 62,622,865 km (0.114 R)
• M37: 63,824,884 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 19,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit