🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 14.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 10.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,453,879 km

• M1: 182,958 km (0.07 R)
• M2: 709,842 km (0.1 R)
• M3: 1,239,418 km (0.115 R)
• M4: 1,813,425 km (0.096 R)
• M5: 2,363,347 km (0.113 R)
• M6: 2,974,305 km (0.069 R)
• M7: 3,439,255 km (0.098 R)
• M8: 3,904,355 km (0.101 R)
• M9: 4,424,955 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 8.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.79 AU - 0.81 AU

Year: 485 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,453,879 km

• M1: 100,829 km (0.082 R)
• M2: 355,594 km (0.104 R)
• M3: 651,648 km (0.115 R)
• M4: 1,046,736 km (0.102 R)
• M5: 1,309,281 km (0.08 R)
• M6: 2,522,968 km (0.1 R)
• M7: 2,820,219 km (0.106 R)
• M8: 3,238,345 km (0.081 R)
• M9: 3,661,557 km (0.1 R)
• M10: 3,942,801 km (0.09 R)
• M11: 4,774,117 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.6

Radius: 8.1

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.27 AU - 1.79 AU

Year: 1284 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,453,879 km

• M1: 100,679 km (0.039 R)
• M2: 414,835 km (0.042 R)
• M3: 1,143,377 km (0.118 R)
• M4: 1,528,890 km (0.091 R)
• M5: 2,464,775 km (0.049 R)
• M6: 2,849,540 km (0.036 R)
• M7: 3,229,668 km (0.103 R)
• M8: 3,627,300 km (0.044 R)
• M9: 5,901,786 km (0.12 R)
• M10: 6,217,736 km (0.085 R)
• M11: 6,809,994 km (0.111 R)
• M12: 7,596,131 km (0.071 R)
• M13: 8,024,879 km (0.117 R)
• M14: 9,257,266 km (0.078 R)
• M15: 9,684,517 km (0.083 R)
• M16: 10,843,751 km (0.112 R)
• M17: 11,561,223 km (0.072 R)
• M18: 11,985,183 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.6

Radius: 14.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.37 AU - 1.99 AU

Year: 1477 Days

Day: 11 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,453,879 km

• M1: 182,061 km (0.117 R)
• M2: 848,220 km (0.095 R)
• M3: 1,333,515 km (0.085 R)
• M4: 1,946,418 km (0.118 R)
• M5: 2,804,062 km (0.106 R)
• M6: 3,321,222 km (0.117 R)
• M7: 3,813,250 km (0.083 R)
• M8: 4,321,733 km (0.113 R)
• M9: 5,161,127 km (0.036 R)
• M10: 6,376,609 km (0.093 R)
• M11: 7,823,669 km (0.107 R)
• M12: 8,445,099 km (0.075 R)
• M13: 9,072,363 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 12.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.59 AU - 2.33 AU

Year: 1861 Days

Day: 12.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,453,879 km

• M1: 199,713 km (0.083 R)
• M2: 882,328 km (0.088 R)
• M3: 1,434,943 km (0.096 R)
• M4: 2,742,279 km (0.05 R)
• M5: 3,307,160 km (0.076 R)
• M6: 4,069,511 km (0.058 R)
• M7: 4,539,697 km (0.029 R)
• M8: 4,945,855 km (0.065 R)
• M9: 5,590,173 km (0.047 R)
• M10: 7,098,120 km (0.067 R)
• M11: 9,438,279 km (0.118 R)
• M12: 9,942,574 km (0.084 R)
• M13: 10,365,487 km (0.113 R)
• M14: 12,513,413 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.5

Radius: 10.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.1 AU - 5.58 AU

Year: 7222 Days

Day: 14.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,453,879 km

• M1: 131,796 km (0.112 R)
• M2: 538,104 km (0.116 R)
• M3: 1,177,485 km (0.091 R)
• M4: 1,675,047 km (0.1 R)
• M5: 2,326,995 km (0.101 R)
• M6: 3,162,050 km (0.036 R)
• M7: 3,590,050 km (0.076 R)
• M8: 4,344,921 km (0.104 R)
• M9: 4,846,672 km (0.102 R)
• M10: 5,607,377 km (0.107 R)
• M11: 6,767,508 km (0.076 R)
• M12: 8,287,423 km (0.075 R)
• M13: 9,060,993 km (0.066 R)
• M14: 9,419,879 km (0.117 R)
• M15: 9,788,338 km (0.111 R)
• M16: 10,118,501 km (0.118 R)
• M17: 10,456,143 km (0.091 R)
• M18: 11,411,026 km (0.106 R)
• M19: 13,493,429 km (0.088 R)
• M20: 15,497,741 km (0.03 R)
• M21: 16,339,229 km (0.085 R)
• M22: 19,637,114 km (0.102 R)
• M23: 22,201,820 km (0.077 R)
• M24: 24,807,366 km (0.105 R)
• M25: 26,959,631 km (0.109 R)
• M26: 29,428,744 km (0.102 R)
• M27: 38,549,277 km (0.118 R)
• M28: 39,732,446 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 13,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit