🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476

Radius: 13.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.57 AU - 0.87 AU

Year: 401 Days

Day: 9.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,634,660 km

• M1: 173,683 km (0.083 R)
• M2: 612,005 km (0.117 R)
• M3: 1,142,629 km (0.079 R)
• M4: 1,818,213 km (0.092 R)
• M5: 2,287,202 km (0.075 R)
• M6: 3,741,592 km (0.087 R)
• M7: 4,499,006 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 9.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.89 AU - 1.23 AU

Year: 716 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,634,660 km

• M1: 122,072 km (0.092 R)
• M2: 450,738 km (0.086 R)
• M3: 760,107 km (0.049 R)
• M4: 1,120,039 km (0.049 R)
• M5: 1,617,303 km (0.112 R)
• M6: 2,381,897 km (0.097 R)
• M7: 3,045,513 km (0.08 R)
• M8: 3,574,641 km (0.083 R)
• M9: 4,021,640 km (0.092 R)
• M10: 4,339,984 km (0.067 R)
• M11: 4,738,064 km (0.065 R)
• M12: 5,484,856 km (0.051 R)
• M13: 6,679,545 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 15

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.44 AU - 2.07 AU

Year: 1519 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,634,660 km

• M1: 197,469 km (0.119 R)
• M2: 1,017,565 km (0.105 R)
• M3: 1,606,083 km (0.104 R)
• M4: 2,843,407 km (0.089 R)
• M5: 3,915,575 km (0.109 R)
• M6: 5,719,127 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.3

Radius: 12.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.85 AU - 2.21 AU

Year: 1897 Days

Day: 7.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,634,660 km

• M1: 156,779 km (0.104 R)
• M2: 558,598 km (0.058 R)
• M3: 1,007,392 km (0.107 R)
• M4: 1,452,595 km (0.053 R)
• M5: 2,082,253 km (0.043 R)
• M6: 2,550,494 km (0.114 R)
• M7: 3,048,356 km (0.091 R)
• M8: 4,089,856 km (0.099 R)
• M9: 4,629,456 km (0.077 R)
• M10: 6,222,673 km (0.094 R)
• M11: 8,480,703 km (0.108 R)
• M12: 10,428,617 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.8

Radius: 12.3

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.71 AU - 4.49 AU

Year: 5446 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,634,660 km

• M1: 153,039 km (0.115 R)
• M2: 582,085 km (0.1 R)
• M3: 1,296,714 km (0.08 R)
• M4: 1,739,075 km (0.097 R)
• M5: 2,314,429 km (0.095 R)
• M6: 3,250,762 km (0.099 R)
• M7: 5,220,218 km (0.094 R)
• M8: 6,203,375 km (0.097 R)
• M9: 6,856,818 km (0.09 R)
• M10: 9,137,288 km (0.095 R)
• M11: 10,248,501 km (0.086 R)
• M12: 12,789,870 km (0.059 R)
• M13: 13,365,672 km (0.032 R)
• M14: 16,386,652 km (0.06 R)
• M15: 18,284,749 km (0.053 R)
• M16: 18,881,794 km (0.027 R)
• M17: 20,751,020 km (0.039 R)
• M18: 21,767,388 km (0.116 R)
• M19: 24,294,245 km (0.115 R)
• M20: 24,854,489 km (0.084 R)
• M21: 27,872,626 km (0.098 R)
• M22: 28,663,700 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.4

Radius: 7.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.02 AU - 8.56 AU

Year: 15658 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,634,660 km

• M1: 98,286 km (0.057 R)
• M2: 502,200 km (0.098 R)
• M3: 914,641 km (0.1 R)
• M4: 1,579,006 km (0.086 R)
• M5: 3,526,022 km (0.075 R)
• M6: 4,706,499 km (0.077 R)
• M7: 5,875,606 km (0.087 R)
• M8: 7,083,609 km (0.098 R)
• M9: 8,053,601 km (0.07 R)
• M10: 10,163,380 km (0.081 R)
• M11: 11,150,427 km (0.052 R)
• M12: 20,935,773 km (0.086 R)
• M13: 22,840,603 km (0.057 R)
• M14: 24,037,236 km (0.12 R)
• M15: 31,618,707 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 13,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit