🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 12.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 9.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 155.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 53,946,617 km

• M1: 158,873 km (0.117 R)
• M2: 577,747 km (0.063 R)
• M3: 1,105,229 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 13.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.62 AU - 0.78 AU

Year: 404 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,946,617 km

• M1: 169,195 km (0.109 R)
• M2: 669,899 km (0.077 R)
• M3: 1,157,888 km (0.108 R)
• M4: 1,613,712 km (0.104 R)
• M5: 2,227,064 km (0.108 R)
• M6: 3,105,053 km (0.105 R)
• M7: 3,618,473 km (0.106 R)
• M8: 4,329,662 km (0.039 R)
• M9: 4,849,065 km (0.057 R)
• M10: 5,327,479 km (0.085 R)
• M11: 5,802,303 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 14.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.66 AU - 1.84 AU

Year: 1598 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,946,617 km

• M1: 181,612 km (0.089 R)
• M2: 1,404,724 km (0.096 R)
• M3: 1,988,305 km (0.102 R)
• M4: 2,449,964 km (0.105 R)
• M5: 3,025,318 km (0.111 R)
• M6: 3,488,772 km (0.098 R)
• M7: 6,429,268 km (0.099 R)
• M8: 7,028,856 km (0.112 R)
• M9: 9,055,309 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 12.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.63 AU - 1.93 AU

Year: 1639 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,946,617 km

• M1: 160,818 km (0.071 R)
• M2: 664,215 km (0.052 R)
• M3: 1,131,708 km (0.094 R)
• M4: 1,645,577 km (0.077 R)
• M5: 4,469,087 km (0.116 R)
• M6: 5,145,269 km (0.085 R)
• M7: 6,000,819 km (0.118 R)
• M8: 7,277,787 km (0.083 R)
• M9: 8,699,565 km (0.056 R)
• M10: 11,656,816 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 13.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.94 AU - 5 AU

Year: 6523 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,946,617 km

• M1: 169,195 km (0.118 R)
• M2: 594,053 km (0.055 R)
• M3: 1,218,475 km (0.103 R)
• M4: 1,773,333 km (0.066 R)
• M5: 2,569,044 km (0.095 R)
• M6: 3,296,987 km (0.102 R)
• M7: 3,930,086 km (0.045 R)
• M8: 4,727,891 km (0.091 R)
• M9: 5,567,584 km (0.106 R)
• M10: 8,104,016 km (0.112 R)
• M11: 8,951,937 km (0.109 R)
• M12: 9,952,148 km (0.03 R)
• M13: 12,121,018 km (0.07 R)
• M14: 13,173,289 km (0.106 R)
• M15: 14,046,492 km (0.089 R)
• M16: 15,587,051 km (0.058 R)
• M17: 16,697,217 km (0.092 R)
• M18: 17,720,017 km (0.064 R)
• M19: 19,442,786 km (0.039 R)
• M20: 24,666,744 km (0.114 R)
• M21: 27,273,337 km (0.098 R)
• M22: 30,557,160 km (0.093 R)
• M23: 33,346,263 km (0.111 R)
• M24: 34,857,351 km (0.112 R)
• M25: 38,248,436 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 9.8

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.79 AU - 5.33 AU

Year: 7857 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,946,617 km

• M1: 121,922 km (0.097 R)
• M2: 474,076 km (0.115 R)
• M3: 1,280,558 km (0.085 R)
• M4: 2,271,045 km (0.118 R)
• M5: 3,390,486 km (0.104 R)
• M6: 5,248,043 km (0.051 R)
• M7: 6,196,344 km (0.062 R)
• M8: 6,598,762 km (0.095 R)
• M9: 8,211,278 km (0.079 R)
• M10: 10,474,843 km (0.118 R)
• M11: 12,027,968 km (0.038 R)
• M12: 14,100,347 km (0.118 R)
• M13: 14,862,698 km (0.119 R)
• M14: 19,168,723 km (0.066 R)
• M15: 22,149,760 km (0.1 R)
• M16: 23,354,172 km (0.062 R)
• M17: 29,625,465 km (0.111 R)
• M18: 30,245,847 km (0.07 R)
• M19: 33,145,353 km (0.032 R)
• M20: 34,377,890 km (0.077 R)
• M21: 35,178,089 km (0.067 R)
• M22: 40,242,126 km (0.117 R)
• M23: 45,497,500 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.8

Radius: 4.1

Gravity: 14.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.01 AU - 11.05 AU

Year: 20307 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,946,617 km

• M1: 77,492 km (0.12 R)
• M2: 263,591 km (0.038 R)
• M3: 409,150 km (0.12 R)
• M4: 814,860 km (0.092 R)
• M5: 1,272,479 km (0.087 R)
• M6: 2,401,644 km (0.065 R)
• M7: 2,847,895 km (0.111 R)
• M8: 4,276,554 km (0.11 R)
• M9: 4,610,756 km (0.118 R)
• M10: 12,224,240 km (0.113 R)
• M11: 19,016,582 km (0.101 R)
• M12: 19,751,257 km (0.069 R)
• M13: 22,246,849 km (0.104 R)
• M14: 24,848,356 km (0.071 R)
• M15: 26,522,805 km (0.102 R)
• M16: 29,227,086 km (0.09 R)
• M17: 33,033,005 km (0.09 R)
• M18: 38,949,302 km (0.109 R)
• M19: 41,745,735 km (0.092 R)
• M20: 43,123,232 km (0.037 R)
• M21: 50,158,520 km (0.119 R)
• M22: 51,714,488 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 19,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit