🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 12

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.64 AU - 0.78 AU

Year: 392 Days

Day: 14.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,604,937 km

• M1: 149,299 km (0.084 R)
• M2: 549,323 km (0.109 R)
• M3: 958,474 km (0.088 R)
• M4: 1,477,578 km (0.109 R)
• M5: 1,942,229 km (0.101 R)
• M6: 2,352,127 km (0.117 R)
• M7: 2,931,221 km (0.073 R)
• M8: 3,498,346 km (0.065 R)
• M9: 3,958,360 km (0.096 R)
• M10: 4,985,947 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 10.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.69 AU - 0.89 AU

Year: 461 Days

Day: 6.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,604,937 km

• M1: 133,740 km (0.044 R)
• M2: 498,011 km (0.11 R)
• M3: 881,879 km (0.056 R)
• M4: 1,524,701 km (0.085 R)
• M5: 1,874,761 km (0.09 R)
• M6: 2,334,026 km (0.112 R)
• M7: 2,713,556 km (0.07 R)
• M8: 3,124,501 km (0.097 R)
• M9: 3,523,179 km (0.04 R)
• M10: 3,875,482 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 14.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.78 AU - 2.36 AU

Year: 1954 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,604,937 km

• M1: 180,265 km (0.106 R)
• M2: 678,426 km (0.103 R)
• M3: 1,190,051 km (0.087 R)
• M4: 2,921,796 km (0.11 R)
• M5: 3,733,065 km (0.097 R)
• M6: 4,451,584 km (0.119 R)
• M7: 5,393,751 km (0.04 R)
• M8: 5,900,888 km (0.037 R)
• M9: 7,228,120 km (0.107 R)
• M10: 9,613,907 km (0.1 R)
• M11: 10,680,241 km (0.059 R)
• M12: 11,186,929 km (0.119 R)
• M13: 13,294,464 km (0.076 R)
• M14: 13,754,327 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.6

Radius: 11.1

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.4 AU - 5.82 AU

Year: 8717 Days

Day: 10.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,604,937 km

• M1: 138,079 km (0.077 R)
• M2: 682,765 km (0.114 R)
• M3: 1,102,686 km (0.118 R)
• M4: 2,338,065 km (0.11 R)
• M5: 3,460,498 km (0.116 R)
• M6: 5,662,130 km (0.111 R)
• M7: 6,875,668 km (0.114 R)
• M8: 8,174,028 km (0.08 R)
• M9: 8,924,411 km (0.077 R)
• M10: 10,466,316 km (0.085 R)
• M11: 11,452,465 km (0.093 R)
• M12: 15,896,569 km (0.094 R)
• M13: 17,265,240 km (0.083 R)
• M14: 26,987,456 km (0.117 R)
• M15: 27,350,680 km (0.117 R)
• M16: 29,598,986 km (0.109 R)
• M17: 30,966,011 km (0.119 R)
• M18: 35,427,917 km (0.114 R)
• M19: 36,192,662 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.7

Radius: 5.1

Gravity: 32.09 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.92 AU - 12.6 AU

Year: 23154 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,604,937 km

• M1: 63,429 km (0.11 R)
• M2: 274,063 km (0.073 R)
• M3: 437,125 km (0.065 R)
• M4: 1,270,535 km (0.085 R)
• M5: 1,692,251 km (0.115 R)
• M6: 3,582,719 km (0.103 R)
• M7: 5,415,892 km (0.099 R)
• M8: 6,234,641 km (0.108 R)
• M9: 12,011,213 km (0.106 R)
• M10: 12,436,969 km (0.096 R)
• M11: 15,620,411 km (0.108 R)
• M12: 18,359,997 km (0.067 R)
• M13: 19,020,172 km (0.091 R)
• M14: 19,598,518 km (0.083 R)
• M15: 22,029,184 km (0.032 R)
• M16: 26,634,106 km (0.096 R)
• M17: 40,308,249 km (0.092 R)
• M18: 40,942,095 km (0.025 R)
• M19: 44,884,896 km (0.094 R)
• M20: 48,002,815 km (0.096 R)
• M21: 54,088,457 km (0.104 R)
• M22: 59,026,832 km (0.078 R)
• M23: 74,198,001 km (0.066 R)
• M24: 84,597,446 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 11,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit