🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.4

Radius: 13.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 13.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,833,549 km

• M1: 174,581 km (0.098 R)
• M2: 712,235 km (0.099 R)
• M3: 1,630,916 km (0.025 R)
• M4: 2,212,403 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.1

Radius: 11.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.59 AU - 0.81 AU

Year: 397 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,833,549 km

• M1: 146,756 km (0.097 R)
• M2: 670,797 km (0.115 R)
• M3: 1,456,934 km (0.089 R)
• M4: 1,918,742 km (0.026 R)
• M5: 2,324,452 km (0.101 R)
• M6: 2,787,906 km (0.096 R)
• M7: 3,615,631 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 8.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.93 AU - 1.01 AU

Year: 648 Days

Day: 5.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,833,549 km

• M1: 102,175 km (0.114 R)
• M2: 455,974 km (0.089 R)
• M3: 712,385 km (0.081 R)
• M4: 1,094,907 km (0.106 R)
• M5: 1,485,956 km (0.101 R)
• M6: 2,255,038 km (0.112 R)
• M7: 2,832,636 km (0.063 R)
• M8: 3,113,431 km (0.117 R)
• M9: 3,719,452 km (0.088 R)
• M10: 4,213,873 km (0.057 R)
• M11: 4,852,506 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.2

Radius: 8.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.37 AU - 1.81 AU

Year: 1360 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,833,549 km

• M1: 110,702 km (0.06 R)
• M2: 540,048 km (0.063 R)
• M3: 1,128,267 km (0.108 R)
• M4: 1,807,441 km (0.108 R)
• M5: 2,144,785 km (0.111 R)
• M6: 3,045,962 km (0.106 R)
• M7: 4,073,550 km (0.086 R)
• M8: 6,417,898 km (0.115 R)
• M9: 6,967,970 km (0.051 R)
• M10: 7,711,172 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 12.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.5 AU - 2.26 AU

Year: 1748 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,833,549 km

• M1: 158,275 km (0.114 R)
• M2: 560,094 km (0.104 R)
• M3: 994,527 km (0.069 R)
• M4: 1,569,132 km (0.104 R)
• M5: 1,985,912 km (0.068 R)
• M6: 3,113,281 km (0.102 R)
• M7: 3,526,171 km (0.074 R)
• M8: 4,269,972 km (0.042 R)
• M9: 5,080,044 km (0.092 R)
• M10: 5,970,152 km (0.118 R)
• M11: 6,548,198 km (0.082 R)
• M12: 7,186,083 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 10.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.27 AU - 3.81 AU

Year: 4517 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,833,549 km

• M1: 128,205 km (0.093 R)
• M2: 531,970 km (0.115 R)
• M3: 1,073,814 km (0.086 R)
• M4: 1,437,187 km (0.119 R)
• M5: 1,807,142 km (0.057 R)
• M6: 2,182,932 km (0.104 R)
• M7: 2,546,605 km (0.106 R)
• M8: 3,658,266 km (0.11 R)
• M9: 3,997,554 km (0.07 R)
• M10: 4,789,525 km (0.075 R)
• M11: 6,347,288 km (0.107 R)
• M12: 7,423,944 km (0.049 R)
• M13: 7,936,017 km (0.115 R)
• M14: 8,766,734 km (0.042 R)
• M15: 10,728,710 km (0.082 R)
• M16: 11,118,712 km (0.069 R)
• M17: 11,563,018 km (0.111 R)
• M18: 12,677,821 km (0.04 R)
• M19: 13,310,919 km (0.104 R)
• M20: 14,430,061 km (0.085 R)
• M21: 18,286,245 km (0.12 R)
• M22: 19,348,091 km (0.053 R)
• M23: 19,991,511 km (0.115 R)
• M24: 20,715,715 km (0.116 R)
• M25: 25,586,771 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 8.3

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.25 AU - 5.93 AU

Year: 7789 Days

Day: 8.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,833,549 km

• M1: 103,223 km (0.102 R)
• M2: 406,308 km (0.1 R)
• M3: 717,471 km (0.117 R)
• M4: 1,224,758 km (0.098 R)
• M5: 1,600,248 km (0.11 R)
• M6: 2,603,901 km (0.06 R)
• M7: 3,163,097 km (0.118 R)
• M8: 3,850,500 km (0.09 R)
• M9: 4,189,339 km (0.088 R)
• M10: 4,491,676 km (0.054 R)
• M11: 5,233,083 km (0.106 R)
• M12: 6,659,050 km (0.103 R)
• M13: 6,995,496 km (0.063 R)
• M14: 9,583,838 km (0.063 R)
• M15: 10,505,361 km (0.091 R)
• M16: 11,752,409 km (0.1 R)
• M17: 12,189,235 km (0.108 R)
• M18: 13,924,271 km (0.102 R)
• M19: 15,168,775 km (0.112 R)
• M20: 16,216,409 km (0.087 R)
• M21: 17,522,249 km (0.115 R)
• M22: 19,270,151 km (0.07 R)
• M23: 20,655,277 km (0.109 R)
• M24: 21,614,648 km (0.111 R)
• M25: 23,536,233 km (0.091 R)
• M26: 24,938,414 km (0.102 R)
• M27: 25,842,583 km (0.107 R)
• M28: 26,488,248 km (0.109 R)
• M29: 28,392,629 km (0.083 R)
• M30: 32,259,135 km (0.056 R)
• M31: 41,142,556 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403

Radius: 7

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.28 AU - 7.94 AU

Year: 14239 Days

Day: 16.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,833,549 km

• M1: 87,066 km (0.083 R)
• M2: 440,715 km (0.067 R)
• M3: 999,763 km (0.072 R)
• M4: 2,281,517 km (0.053 R)
• M5: 3,687,887 km (0.095 R)
• M6: 4,711,286 km (0.063 R)
• M7: 5,091,264 km (0.093 R)
• M8: 5,322,094 km (0.079 R)
• M9: 6,898,107 km (0.116 R)
• M10: 7,989,274 km (0.032 R)
• M11: 8,622,372 km (0.096 R)
• M12: 9,584,287 km (0.074 R)
• M13: 10,194,646 km (0.094 R)
• M14: 10,456,442 km (0.06 R)
• M15: 11,048,252 km (0.116 R)
• M16: 12,776,107 km (0.076 R)
• M17: 13,959,127 km (0.112 R)
• M18: 15,349,789 km (0.06 R)
• M19: 18,173,149 km (0.118 R)
• M20: 18,558,513 km (0.104 R)
• M21: 19,666,435 km (0.098 R)
• M22: 27,457,343 km (0.088 R)
• M23: 28,067,104 km (0.072 R)
• M24: 30,813,870 km (0.119 R)
• M25: 31,804,956 km (0.101 R)
• M26: 32,817,135 km (0.062 R)
• M27: 36,346,299 km (0.058 R)
• M28: 37,826,121 km (0.114 R)
• M29: 41,833,997 km (0.058 R)
• M30: 42,641,078 km (0.072 R)
• M31: 48,436,499 km (0.077 R)
• M32: 50,378,130 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit