🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.4

Radius: 13.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.5 AU - 0.72 AU

Year: 318 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,751,189 km

• M1: 167,998 km (0.091 R)
• M2: 658,979 km (0.058 R)
• M3: 1,107,772 km (0.092 R)
• M4: 2,005,210 km (0.106 R)
• M5: 2,468,215 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 10.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,751,189 km

• M1: 129,402 km (0.073 R)
• M2: 558,898 km (0.085 R)
• M3: 943,514 km (0.082 R)
• M4: 1,441,675 km (0.111 R)
• M5: 1,801,458 km (0.115 R)
• M6: 2,157,500 km (0.117 R)
• M7: 2,560,966 km (0.087 R)
• M8: 3,074,984 km (0.068 R)
• M9: 3,510,314 km (0.092 R)
• M10: 4,011,018 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 10.5

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.02 AU - 1.62 AU

Year: 1011 Days

Day: 10 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,751,189 km

• M1: 134,638 km (0.088 R)
• M2: 524,939 km (0.111 R)
• M3: 1,387,071 km (0.077 R)
• M4: 1,726,808 km (0.077 R)
• M5: 2,401,943 km (0.083 R)
• M6: 3,218,149 km (0.079 R)
• M7: 3,676,517 km (0.076 R)
• M8: 5,702,222 km (0.073 R)
• M9: 7,010,755 km (0.088 R)
• M10: 7,955,316 km (0.086 R)
• M11: 9,009,233 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.9

Radius: 11.3

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.61 AU - 2.67 AU

Year: 2088 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,751,189 km

• M1: 141,071 km (0.116 R)
• M2: 562,787 km (0.072 R)
• M3: 1,415,196 km (0.072 R)
• M4: 1,845,888 km (0.058 R)
• M5: 3,677,415 km (0.064 R)
• M6: 5,883,834 km (0.078 R)
• M7: 7,239,041 km (0.047 R)
• M8: 8,471,578 km (0.097 R)
• M9: 9,356,449 km (0.055 R)
• M10: 11,232,855 km (0.101 R)
• M11: 12,178,763 km (0.107 R)
• M12: 12,546,773 km (0.071 R)
• M13: 12,922,264 km (0.119 R)
• M14: 13,783,649 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 11.3

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.31 AU - 4.69 AU

Year: 5335 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,751,189 km

• M1: 140,622 km (0.105 R)
• M2: 557,551 km (0.1 R)
• M3: 987,047 km (0.1 R)
• M4: 1,395,150 km (0.115 R)
• M5: 2,011,493 km (0.112 R)
• M6: 2,837,124 km (0.063 R)
• M7: 3,279,485 km (0.05 R)
• M8: 4,891,551 km (0.088 R)
• M9: 5,615,006 km (0.112 R)
• M10: 6,136,056 km (0.06 R)
• M11: 7,043,367 km (0.093 R)
• M12: 7,512,356 km (0.089 R)
• M13: 8,587,815 km (0.096 R)
• M14: 10,647,628 km (0.037 R)
• M15: 13,217,271 km (0.118 R)
• M16: 14,193,696 km (0.109 R)
• M17: 15,607,097 km (0.06 R)
• M18: 16,522,337 km (0.12 R)
• M19: 22,349,174 km (0.096 R)
• M20: 23,143,987 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 9.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.86 AU - 4.92 AU

Year: 6134 Days

Day: 11 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,751,189 km

• M1: 121,922 km (0.104 R)
• M2: 523,293 km (0.103 R)
• M3: 860,038 km (0.111 R)
• M4: 1,225,356 km (0.114 R)
• M5: 1,667,867 km (0.095 R)
• M6: 2,025,555 km (0.041 R)
• M7: 2,505,016 km (0.075 R)
• M8: 3,739,348 km (0.107 R)
• M9: 4,281,042 km (0.117 R)
• M10: 5,490,990 km (0.088 R)
• M11: 6,915,461 km (0.084 R)
• M12: 7,242,332 km (0.078 R)
• M13: 8,085,316 km (0.104 R)
• M14: 8,613,247 km (0.117 R)
• M15: 10,477,685 km (0.103 R)
• M16: 11,105,697 km (0.111 R)
• M17: 12,758,454 km (0.117 R)
• M18: 13,251,379 km (0.12 R)
• M19: 13,643,625 km (0.113 R)
• M20: 16,739,104 km (0.045 R)
• M21: 18,904,085 km (0.028 R)
• M22: 20,274,251 km (0.115 R)
• M23: 20,945,946 km (0.116 R)
• M24: 21,401,920 km (0.098 R)
• M25: 23,454,852 km (0.113 R)
• M26: 27,043,106 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.9

Radius: 8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.64 AU - 10.86 AU

Year: 18760 Days

Day: 24.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,751,189 km

• M1: 100,679 km (0.115 R)
• M2: 365,168 km (0.117 R)
• M3: 664,065 km (0.113 R)
• M4: 1,082,191 km (0.087 R)
• M5: 1,452,296 km (0.1 R)
• M6: 2,014,186 km (0.082 R)
• M7: 2,366,190 km (0.099 R)
• M8: 2,735,995 km (0.094 R)
• M9: 3,647,645 km (0.118 R)
• M10: 4,486,440 km (0.116 R)
• M11: 5,020,355 km (0.067 R)
• M12: 5,375,051 km (0.072 R)
• M13: 6,417,150 km (0.038 R)
• M14: 6,964,379 km (0.025 R)
• M15: 7,772,956 km (0.096 R)
• M16: 8,248,378 km (0.041 R)
• M17: 13,238,813 km (0.104 R)
• M18: 19,675,411 km (0.082 R)
• M19: 24,962,948 km (0.098 R)
• M20: 27,711,510 km (0.065 R)
• M21: 28,484,631 km (0.112 R)
• M22: 28,820,329 km (0.113 R)
• M23: 30,538,461 km (0.104 R)
• M24: 34,811,275 km (0.086 R)
• M25: 36,494,700 km (0.037 R)
• M26: 37,023,379 km (0.091 R)
• M27: 39,327,784 km (0.097 R)
• M28: 40,023,265 km (0.088 R)
• M29: 46,039,044 km (0.117 R)
• M30: 46,347,066 km (0.118 R)
• M31: 56,414,404 km (0.076 R)
• M32: 56,943,981 km (0.033 R)
• M33: 58,372,491 km (0.114 R)
• M34: 59,277,408 km (0.107 R)
• M35: 59,641,978 km (0.111 R)
• M36: 61,115,069 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 16,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit