🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.7

Radius: 10.8

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 13.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,934,234 km

• M1: 134,339 km (0.094 R)
• M2: 854,353 km (0.106 R)
• M3: 1,192,145 km (0.062 R)
• M4: 1,737,729 km (0.08 R)
• M5: 2,111,873 km (0.098 R)
• M6: 2,501,576 km (0.111 R)
• M7: 2,917,757 km (0.119 R)
• M8: 3,332,891 km (0.091 R)
• M9: 4,671,942 km (0.051 R)
• M10: 5,179,078 km (0.118 R)
• M11: 5,537,365 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 8.7

Gravity: 13.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 579 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,934,234 km

• M1: 108,159 km (0.049 R)
• M2: 406,457 km (0.099 R)
• M3: 688,749 km (0.107 R)
• M4: 960,718 km (0.072 R)
• M5: 1,300,005 km (0.118 R)
• M6: 1,702,723 km (0.067 R)
• M7: 1,988,604 km (0.102 R)
• M8: 2,326,995 km (0.05 R)
• M9: 2,670,023 km (0.105 R)
• M10: 3,196,906 km (0.083 R)
• M11: 4,070,109 km (0.108 R)
• M12: 4,752,126 km (0.096 R)
• M13: 5,024,544 km (0.116 R)
• M14: 5,963,570 km (0.111 R)
• M15: 6,821,214 km (0.109 R)
• M16: 7,213,011 km (0.086 R)
• M17: 8,041,783 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.7

Radius: 14.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.95 AU - 1.21 AU

Year: 748 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,934,234 km

• M1: 181,911 km (0.098 R)
• M2: 684,410 km (0.061 R)
• M3: 1,301,202 km (0.102 R)
• M4: 1,970,802 km (0.119 R)
• M5: 2,743,924 km (0.032 R)
• M6: 3,263,478 km (0.111 R)
• M7: 4,932,242 km (0.118 R)
• M8: 5,653,154 km (0.076 R)
• M9: 6,248,853 km (0.099 R)
• M10: 7,052,492 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63

Radius: 9.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.94 AU - 1.4 AU

Year: 844 Days

Day: 12.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 14,934,234 km

• M1: 115,639 km (0.108 R)
• M2: 624,571 km (0.092 R)
• M3: 1,749,098 km (0.085 R)
• M4: 2,355,269 km (0.096 R)
• M5: 3,455,711 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 9.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.42 AU - 1.74 AU

Year: 1324 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,934,234 km

• M1: 121,922 km (0.075 R)
• M2: 558,598 km (0.096 R)
• M3: 1,334,712 km (0.085 R)
• M4: 1,824,944 km (0.076 R)
• M5: 2,234,992 km (0.099 R)
• M6: 2,884,845 km (0.09 R)
• M7: 3,355,181 km (0.111 R)
• M8: 4,003,688 km (0.099 R)
• M9: 4,342,976 km (0.095 R)
• M10: 6,536,679 km (0.106 R)
• M11: 7,242,781 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.9

Radius: 12.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.37 AU - 4.81 AU

Year: 5516 Days

Day: 10.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,934,234 km

• M1: 169,195 km (0.111 R)
• M2: 634,594 km (0.107 R)
• M3: 1,155,793 km (0.117 R)
• M4: 1,920,089 km (0.07 R)
• M5: 2,362,450 km (0.044 R)
• M6: 2,908,482 km (0.055 R)
• M7: 3,852,893 km (0.098 R)
• M8: 6,013,685 km (0.112 R)
• M9: 7,996,305 km (0.054 R)
• M10: 9,155,988 km (0.119 R)
• M11: 9,961,872 km (0.076 R)
• M12: 10,946,226 km (0.091 R)
• M13: 14,343,145 km (0.091 R)
• M14: 15,485,923 km (0.084 R)
• M15: 16,805,974 km (0.034 R)
• M16: 17,523,895 km (0.067 R)
• M17: 18,893,014 km (0.088 R)
• M18: 21,285,533 km (0.1 R)
• M19: 25,710,937 km (0.117 R)
• M20: 26,343,886 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 9.3

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.6 AU - 6.48 AU

Year: 8695 Days

Day: 14.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,934,234 km

• M1: 115,639 km (0.034 R)
• M2: 1,028,934 km (0.116 R)
• M3: 1,377,946 km (0.083 R)
• M4: 1,693,747 km (0.091 R)
• M5: 2,139,698 km (0.116 R)
• M6: 2,831,140 km (0.109 R)
• M7: 4,337,291 km (0.044 R)
• M8: 6,292,535 km (0.085 R)
• M9: 7,366,498 km (0.059 R)
• M10: 9,248,290 km (0.079 R)
• M11: 11,654,721 km (0.118 R)
• M12: 13,022,345 km (0.047 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: 181 - 15,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit