🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287

Radius: 11.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.52 AU - 1.62 AU

Year: 1251 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,709,804 km

• M1: 142,118 km (0.086 R)
• M2: 645,664 km (0.06 R)
• M3: 1,001,109 km (0.085 R)
• M4: 1,434,045 km (0.1 R)
• M5: 2,413,014 km (0.071 R)
• M6: 2,820,967 km (0.064 R)
• M7: 3,209,174 km (0.097 R)
• M8: 4,445,301 km (0.093 R)
• M9: 4,921,172 km (0.106 R)
• M10: 5,412,152 km (0.105 R)
• M11: 6,220,130 km (0.096 R)
• M12: 6,620,903 km (0.091 R)
• M13: 7,568,755 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 9.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.23 AU - 2.71 AU

Year: 2468 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,709,804 km

• M1: 116,986 km (0.073 R)
• M2: 416,331 km (0.075 R)
• M3: 817,552 km (0.12 R)
• M4: 1,782,608 km (0.038 R)
• M5: 2,818,125 km (0.064 R)
• M6: 4,539,099 km (0.106 R)
• M7: 5,493,982 km (0.116 R)
• M8: 8,923,513 km (0.098 R)
• M9: 10,612,024 km (0.091 R)
• M10: 11,357,321 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 13.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.36 AU - 4.4 AU

Year: 5828 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,709,804 km

• M1: 173,085 km (0.086 R)
• M2: 633,996 km (0.096 R)
• M3: 2,238,583 km (0.111 R)
• M4: 4,150,443 km (0.074 R)
• M5: 4,721,159 km (0.109 R)
• M6: 5,425,765 km (0.115 R)
• M7: 6,050,935 km (0.075 R)
• M8: 6,566,599 km (0.092 R)
• M9: 8,329,460 km (0.102 R)
• M10: 9,845,634 km (0.07 R)
• M11: 11,221,336 km (0.085 R)
• M12: 14,405,377 km (0.071 R)
• M13: 15,052,987 km (0.073 R)
• M14: 15,889,837 km (0.119 R)
• M15: 18,273,380 km (0.072 R)
• M16: 20,345,161 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.9

Radius: 8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.47 AU - 12.01 AU

Year: 19327 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,709,804 km

• M1: 107,262 km (0.102 R)
• M2: 897,438 km (0.107 R)
• M3: 2,608,538 km (0.116 R)
• M4: 5,873,063 km (0.103 R)
• M5: 6,365,539 km (0.053 R)
• M6: 9,052,167 km (0.057 R)
• M7: 11,404,893 km (0.091 R)
• M8: 13,872,659 km (0.047 R)
• M9: 18,367,926 km (0.108 R)
• M10: 29,982,704 km (0.11 R)
• M11: 42,282,791 km (0.073 R)
• M12: 46,436,077 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: 166 - 14,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit