🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 14.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,164,188 km

• M1: 186,549 km (0.09 R)
• M2: 658,829 km (0.114 R)
• M3: 1,125,574 km (0.05 R)
• M4: 1,858,305 km (0.065 R)
• M5: 2,504,119 km (0.117 R)
• M6: 3,239,691 km (0.106 R)
• M7: 4,157,325 km (0.057 R)
• M8: 4,835,901 km (0.047 R)
• M9: 5,437,733 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 13

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.91 AU - 2.65 AU

Year: 2258 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,164,188 km

• M1: 161,715 km (0.112 R)
• M2: 626,366 km (0.054 R)
• M3: 1,040,154 km (0.029 R)
• M4: 2,018,225 km (0.12 R)
• M5: 2,594,775 km (0.107 R)
• M6: 3,264,974 km (0.097 R)
• M7: 3,945,943 km (0.072 R)
• M8: 4,366,014 km (0.059 R)
• M9: 5,876,952 km (0.052 R)
• M10: 6,937,302 km (0.078 R)
• M11: 9,041,995 km (0.094 R)
• M12: 10,095,463 km (0.059 R)
• M13: 10,652,116 km (0.111 R)
• M14: 11,402,798 km (0.095 R)
• M15: 12,557,245 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 13.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.74 AU - 3.92 AU

Year: 3986 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,164,188 km

• M1: 167,998 km (0.079 R)
• M2: 926,908 km (0.085 R)
• M3: 1,463,965 km (0.032 R)
• M4: 1,976,786 km (0.105 R)
• M5: 2,693,360 km (0.09 R)
• M6: 3,475,458 km (0.067 R)
• M7: 4,507,533 km (0.117 R)
• M8: 5,552,475 km (0.072 R)
• M9: 7,636,971 km (0.053 R)
• M10: 8,786,781 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.2

Radius: 6.3

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.16 AU - 8.04 AU

Year: 12411 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,164,188 km

• M1: 149,598 km (0.057 R)
• M2: 358,736 km (0.106 R)
• M3: 743,053 km (0.086 R)
• M4: 983,307 km (0.119 R)
• M5: 2,435,902 km (0.076 R)
• M6: 2,865,398 km (0.107 R)
• M7: 4,146,554 km (0.088 R)
• M8: 5,102,634 km (0.089 R)
• M9: 5,396,294 km (0.089 R)
• M10: 5,598,252 km (0.072 R)
• M11: 6,456,943 km (0.074 R)
• M12: 13,467,548 km (0.085 R)
• M13: 14,670,764 km (0.116 R)
• M14: 19,016,133 km (0.084 R)
• M15: 25,918,130 km (0.1 R)
• M16: 28,375,874 km (0.069 R)
• M17: 28,783,079 km (0.078 R)
• M18: 37,400,216 km (0.073 R)
• M19: 40,145,337 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 11,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit