🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 89.3

Radius: 11

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.51 AU - 0.67 AU

Year: 313 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,783,135 km

• M1: 138,528 km (0.095 R)
• M2: 545,135 km (0.119 R)
• M3: 968,796 km (0.053 R)
• M4: 1,333,067 km (0.07 R)
• M5: 1,985,463 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.3

Radius: 14.7

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.61 AU - 1.65 AU

Year: 1436 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,783,135 km

• M1: 182,809 km (0.114 R)
• M2: 709,842 km (0.102 R)
• M3: 1,590,824 km (0.111 R)
• M4: 2,523,267 km (0.051 R)
• M5: 4,866,568 km (0.099 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.2

Radius: 6.1

Gravity: 24.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.68 AU - 8.88 AU

Year: 13558 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,783,135 km

• M1: 75,846 km (0.071 R)
• M2: 292,913 km (0.034 R)
• M3: 503,247 km (0.104 R)
• M4: 998,715 km (0.098 R)
• M5: 1,398,740 km (0.079 R)
• M6: 1,596,209 km (0.093 R)
• M7: 2,047,995 km (0.114 R)
• M8: 2,762,923 km (0.073 R)
• M9: 4,978,019 km (0.118 R)
• M10: 6,173,904 km (0.098 R)
• M11: 7,367,546 km (0.071 R)
• M12: 8,260,495 km (0.103 R)
• M13: 9,014,618 km (0.091 R)
• M14: 9,650,409 km (0.049 R)
• M15: 10,146,476 km (0.086 R)
• M16: 12,048,762 km (0.103 R)
• M17: 13,217,121 km (0.085 R)
• M18: 13,622,831 km (0.109 R)
• M19: 24,180,252 km (0.1 R)
• M20: 25,300,441 km (0.09 R)
• M21: 26,991,046 km (0.106 R)
• M22: 29,896,386 km (0.047 R)
• M23: 33,499,900 km (0.117 R)
• M24: 34,890,711 km (0.041 R)
• M25: 39,016,471 km (0.078 R)
• M26: 40,131,574 km (0.097 R)
• M27: 43,455,937 km (0.086 R)
• M28: 43,902,637 km (0.092 R)
• M29: 44,805,161 km (0.112 R)
• M30: 51,472,588 km (0.034 R)
• M31: 59,867,572 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 7.8

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.74 AU - 8.82 AU

Year: 16446 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,783,135 km

• M1: 99,183 km (0.095 R)
• M2: 450,589 km (0.118 R)
• M3: 1,463,366 km (0.084 R)
• M4: 2,089,433 km (0.055 R)
• M5: 7,076,428 km (0.111 R)
• M6: 9,209,993 km (0.084 R)
• M7: 10,091,274 km (0.104 R)
• M8: 12,656,279 km (0.037 R)
• M9: 19,108,884 km (0.06 R)
• M10: 22,294,122 km (0.06 R)
• M11: 33,150,888 km (0.095 R)
• M12: 33,601,028 km (0.027 R)
• M13: 37,472,322 km (0.084 R)
• M14: 37,716,017 km (0.117 R)
• M15: 38,453,684 km (0.085 R)
• M16: 39,452,100 km (0.075 R)
• M17: 41,240,692 km (0.075 R)
• M18: 42,023,538 km (0.051 R)
• M19: 42,816,257 km (0.07 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 20,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit