🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.3

Radius: 14.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 14.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,083,354 km

• M1: 180,415 km (0.097 R)
• M2: 653,294 km (0.105 R)
• M3: 1,150,856 km (0.069 R)
• M4: 2,059,813 km (0.105 R)
• M5: 2,722,532 km (0.109 R)
• M6: 3,572,248 km (0.084 R)
• M7: 4,250,524 km (0.118 R)
• M8: 4,836,499 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.95 AU - 1.01 AU

Year: 626 Days

Day: 6.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,083,354 km

• M1: 176,675 km (0.066 R)
• M2: 793,916 km (0.101 R)
• M3: 1,290,132 km (0.084 R)
• M4: 1,732,044 km (0.1 R)
• M5: 2,181,885 km (0.047 R)
• M6: 2,721,036 km (0.059 R)
• M7: 3,575,539 km (0.045 R)
• M8: 4,194,425 km (0.093 R)
• M9: 4,823,933 km (0.104 R)
• M10: 5,632,061 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 11.2

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.54 AU - 3.04 AU

Year: 3009 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,083,354 km

• M1: 140,921 km (0.079 R)
• M2: 766,390 km (0.099 R)
• M3: 1,395,898 km (0.1 R)
• M4: 1,857,706 km (0.029 R)
• M5: 2,405,983 km (0.068 R)
• M6: 2,923,591 km (0.103 R)
• M7: 3,290,854 km (0.084 R)
• M8: 6,709,315 km (0.089 R)
• M9: 7,259,237 km (0.074 R)
• M10: 8,005,132 km (0.079 R)
• M11: 8,379,725 km (0.118 R)
• M12: 9,764,702 km (0.045 R)
• M13: 10,714,648 km (0.059 R)
• M14: 12,478,557 km (0.09 R)
• M15: 13,029,675 km (0.112 R)
• M16: 13,838,102 km (0.101 R)
• M17: 14,629,176 km (0.087 R)
• M18: 16,301,530 km (0.099 R)
• M19: 19,104,097 km (0.065 R)
• M20: 21,487,640 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.2

Radius: 13.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.55 AU - 3.79 AU

Year: 3644 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,083,354 km

• M1: 171,888 km (0.09 R)
• M2: 672,143 km (0.114 R)
• M3: 1,155,644 km (0.103 R)
• M4: 2,132,966 km (0.075 R)
• M5: 2,924,638 km (0.06 R)
• M6: 3,803,675 km (0.056 R)
• M7: 4,460,709 km (0.115 R)
• M8: 4,996,120 km (0.104 R)
• M9: 5,600,645 km (0.085 R)
• M10: 6,926,681 km (0.105 R)
• M11: 7,615,280 km (0.112 R)
• M12: 8,418,171 km (0.075 R)
• M13: 9,129,808 km (0.095 R)
• M14: 13,353,405 km (0.067 R)
• M15: 16,454,569 km (0.093 R)
• M16: 16,894,088 km (0.074 R)
• M17: 17,969,547 km (0.073 R)
• M18: 18,970,207 km (0.1 R)
• M19: 22,261,958 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.6

Radius: 9.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.48 AU - 5.58 AU

Year: 6225 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,083,354 km

• M1: 130,449 km (0.084 R)
• M2: 620,382 km (0.034 R)
• M3: 945,907 km (0.026 R)
• M4: 1,270,385 km (0.068 R)
• M5: 1,559,408 km (0.1 R)
• M6: 1,879,248 km (0.088 R)
• M7: 2,516,984 km (0.055 R)
• M8: 2,886,790 km (0.086 R)
• M9: 3,212,315 km (0.086 R)
• M10: 4,006,979 km (0.069 R)
• M11: 5,007,490 km (0.079 R)
• M12: 5,712,395 km (0.065 R)
• M13: 7,459,399 km (0.042 R)
• M14: 8,039,090 km (0.084 R)
• M15: 8,454,823 km (0.056 R)
• M16: 9,166,011 km (0.059 R)
• M17: 10,350,976 km (0.074 R)
• M18: 11,826,759 km (0.054 R)
• M19: 13,022,195 km (0.101 R)
• M20: 15,593,484 km (0.058 R)
• M21: 17,214,377 km (0.102 R)
• M22: 18,355,509 km (0.083 R)
• M23: 18,944,626 km (0.062 R)
• M24: 19,681,694 km (0.098 R)
• M25: 20,229,671 km (0.055 R)
• M26: 20,928,892 km (0.117 R)
• M27: 22,523,755 km (0.098 R)
• M28: 23,199,039 km (0.09 R)
• M29: 24,906,549 km (0.069 R)
• M30: 25,628,658 km (0.042 R)
• M31: 27,452,556 km (0.043 R)
• M32: 27,878,760 km (0.059 R)
• M33: 28,919,961 km (0.087 R)
• M34: 30,076,802 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.8

Radius: 4.8

Gravity: 34.58 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.66 AU - 8.18 AU

Year: 13050 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,083,354 km

• M1: 59,690 km (0.103 R)
• M2: 292,464 km (0.1 R)
• M3: 1,667,268 km (0.092 R)
• M4: 2,030,342 km (0.076 R)
• M5: 2,280,470 km (0.069 R)
• M6: 2,572,485 km (0.104 R)
• M7: 2,819,172 km (0.104 R)
• M8: 3,231,164 km (0.077 R)
• M9: 4,235,116 km (0.071 R)
• M10: 4,579,340 km (0.103 R)
• M11: 4,774,865 km (0.101 R)
• M12: 5,113,255 km (0.081 R)
• M13: 6,424,032 km (0.075 R)
• M14: 9,217,473 km (0.047 R)
• M15: 9,741,664 km (0.096 R)
• M16: 10,564,901 km (0.1 R)
• M17: 11,612,684 km (0.102 R)
• M18: 13,443,762 km (0.113 R)
• M19: 14,048,886 km (0.092 R)
• M20: 21,584,729 km (0.043 R)
• M21: 22,507,149 km (0.115 R)
• M22: 27,090,379 km (0.076 R)
• M23: 29,486,788 km (0.094 R)
• M24: 30,050,622 km (0.079 R)
• M25: 30,621,487 km (0.115 R)
• M26: 33,098,230 km (0.091 R)
• M27: 33,584,722 km (0.069 R)
• M28: 35,578,263 km (0.065 R)
• M29: 37,517,500 km (0.049 R)
• M30: 38,848,921 km (0.112 R)
• M31: 40,487,617 km (0.045 R)
• M32: 43,756,330 km (0.068 R)
• M33: 48,278,524 km (0.108 R)
• M34: 50,011,765 km (0.075 R)
• M35: 52,113,017 km (0.113 R)
• M36: 52,276,976 km (0.116 R)
• M37: 55,801,801 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.5

Radius: 7.1

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.74 AU - 9.76 AU

Year: 15300 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,083,354 km

• M1: 88,412 km (0.095 R)
• M2: 419,024 km (0.103 R)
• M3: 640,129 km (0.039 R)
• M4: 868,864 km (0.055 R)
• M5: 1,091,765 km (0.108 R)
• M6: 1,484,759 km (0.09 R)
• M7: 2,024,508 km (0.102 R)
• M8: 3,434,169 km (0.064 R)
• M9: 5,112,956 km (0.099 R)
• M10: 5,587,181 km (0.07 R)
• M11: 5,893,259 km (0.109 R)
• M12: 8,019,194 km (0.093 R)
• M13: 8,508,678 km (0.11 R)
• M14: 9,874,507 km (0.105 R)
• M15: 11,079,817 km (0.086 R)
• M16: 12,444,448 km (0.082 R)
• M17: 14,768,451 km (0.117 R)
• M18: 17,937,533 km (0.051 R)
• M19: 19,724,030 km (0.108 R)
• M20: 20,615,185 km (0.101 R)
• M21: 23,746,119 km (0.106 R)
• M22: 24,550,357 km (0.103 R)
• M23: 25,685,506 km (0.114 R)
• M24: 26,212,838 km (0.096 R)
• M25: 29,645,212 km (0.045 R)
• M26: 32,869,046 km (0.084 R)
• M27: 34,885,775 km (0.084 R)
• M28: 37,656,028 km (0.077 R)
• M29: 43,480,771 km (0.095 R)
• M30: 44,079,312 km (0.076 R)
• M31: 46,528,379 km (0.086 R)
• M32: 53,728,374 km (0.03 R)
• M33: 63,920,477 km (0.115 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: 375 - 11,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit