🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 11.2

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.92 AU - 1.18 AU

Year: 743 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,651,398 km

• M1: 142,567 km (0.06 R)
• M2: 629,209 km (0.082 R)
• M3: 1,501,514 km (0.079 R)
• M4: 2,425,430 km (0.064 R)
• M5: 3,087,700 km (0.026 R)
• M6: 3,561,925 km (0.075 R)
• M7: 4,787,431 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.2

Radius: 8.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.89 AU - 1.41 AU

Year: 851 Days

Day: 10.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,651,398 km

• M1: 109,206 km (0.114 R)
• M2: 466,147 km (0.077 R)
• M3: 816,804 km (0.12 R)
• M4: 1,562,849 km (0.037 R)
• M5: 1,900,940 km (0.115 R)
• M6: 2,229,307 km (0.063 R)
• M7: 3,220,244 km (0.072 R)
• M8: 3,772,559 km (0.096 R)
• M9: 4,086,266 km (0.078 R)
• M10: 5,185,361 km (0.111 R)
• M11: 6,816,726 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 13.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.38 AU - 1.58 AU

Year: 1243 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,651,398 km

• M1: 172,935 km (0.076 R)
• M2: 615,745 km (0.083 R)
• M3: 1,541,307 km (0.09 R)
• M4: 2,598,964 km (0.076 R)
• M5: 3,157,861 km (0.116 R)
• M6: 3,812,801 km (0.1 R)
• M7: 4,393,689 km (0.112 R)
• M8: 5,112,657 km (0.089 R)
• M9: 6,086,689 km (0.063 R)
• M10: 8,318,988 km (0.06 R)
• M11: 9,301,248 km (0.089 R)
• M12: 10,587,191 km (0.113 R)
• M13: 11,221,785 km (0.032 R)
• M14: 11,988,325 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 8.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.13 AU - 3.29 AU

Year: 3079 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,651,398 km

• M1: 104,868 km (0.074 R)
• M2: 585,376 km (0.088 R)
• M3: 1,063,641 km (0.108 R)
• M4: 1,355,506 km (0.054 R)
• M5: 1,920,089 km (0.103 R)
• M6: 2,788,953 km (0.11 R)
• M7: 3,911,685 km (0.055 R)
• M8: 4,471,331 km (0.072 R)
• M9: 5,527,342 km (0.104 R)
• M10: 5,978,978 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 13.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.98 AU - 4.92 AU

Year: 5419 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,651,398 km

• M1: 169,943 km (0.119 R)
• M2: 601,982 km (0.108 R)
• M3: 1,351,168 km (0.106 R)
• M4: 2,265,361 km (0.116 R)
• M5: 2,757,238 km (0.064 R)
• M6: 3,320,774 km (0.103 R)
• M7: 4,906,960 km (0.057 R)
• M8: 5,683,373 km (0.12 R)
• M9: 6,887,336 km (0.115 R)
• M10: 8,110,449 km (0.106 R)
• M11: 9,158,082 km (0.071 R)
• M12: 9,593,711 km (0.089 R)
• M13: 10,043,103 km (0.06 R)
• M14: 10,940,391 km (0.108 R)
• M15: 13,697,181 km (0.094 R)
• M16: 16,421,059 km (0.091 R)
• M17: 17,727,048 km (0.109 R)
• M18: 20,011,857 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649

Radius: 5.5

Gravity: 21.45 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.45 AU - 7.61 AU

Year: 14263 Days

Day: 17.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,651,398 km

• M1: 68,665 km (0.034 R)
• M2: 246,388 km (0.051 R)
• M3: 1,267,393 km (0.117 R)
• M4: 1,878,052 km (0.064 R)
• M5: 2,308,445 km (0.104 R)
• M6: 2,825,156 km (0.095 R)
• M7: 4,546,130 km (0.032 R)
• M8: 7,516,246 km (0.073 R)
• M9: 9,927,614 km (0.063 R)
• M10: 11,336,676 km (0.116 R)
• M11: 13,067,524 km (0.099 R)
• M12: 13,394,096 km (0.079 R)
• M13: 17,354,400 km (0.112 R)
• M14: 20,769,271 km (0.11 R)
• M15: 22,030,830 km (0.059 R)
• M16: 27,270,046 km (0.084 R)
• M17: 30,346,676 km (0.118 R)
• M18: 32,204,682 km (0.1 R)
• M19: 35,890,324 km (0.1 R)
• M20: 36,145,688 km (0.106 R)
• M21: 41,508,772 km (0.107 R)
• M22: 44,086,193 km (0.101 R)
• M23: 44,673,066 km (0.046 R)
• M24: 47,685,817 km (0.097 R)
• M25: 50,670,893 km (0.083 R)
• M26: 52,127,378 km (0.084 R)
• M27: 58,939,317 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit