🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.3

Radius: 14.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 9 Hours

Environment

Temp: -148 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,119,589 km

• M1: 181,612 km (0.074 R)
• M2: 919,578 km (0.11 R)
• M3: 1,623,137 km (0.11 R)
• M4: 2,480,034 km (0.098 R)
• M5: 3,111,187 km (0.077 R)
• M6: 3,734,412 km (0.032 R)
• M7: 4,482,999 km (0.105 R)
• M8: 5,015,867 km (0.077 R)
• M9: 5,492,037 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 9.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.73 AU - 0.99 AU

Year: 541 Days

Day: 12.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,119,589 km

• M1: 119,977 km (0.049 R)
• M2: 436,377 km (0.1 R)
• M3: 831,764 km (0.111 R)
• M4: 1,139,786 km (0.031 R)
• M5: 1,678,189 km (0.078 R)
• M6: 3,028,758 km (0.091 R)
• M7: 5,041,299 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 14.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.71 AU - 1.13 AU

Year: 599 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,119,589 km

• M1: 185,352 km (0.107 R)
• M2: 657,632 km (0.074 R)
• M3: 1,209,798 km (0.079 R)
• M4: 1,691,802 km (0.117 R)
• M5: 2,243,070 km (0.109 R)
• M6: 3,122,108 km (0.074 R)
• M7: 4,111,847 km (0.116 R)
• M8: 5,221,564 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.3

Radius: 13

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.97 AU - 1.01 AU

Year: 668 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,119,589 km

• M1: 162,314 km (0.033 R)
• M2: 636,838 km (0.113 R)
• M3: 1,130,960 km (0.069 R)
• M4: 1,546,244 km (0.027 R)
• M5: 2,065,947 km (0.099 R)
• M6: 2,559,470 km (0.098 R)
• M7: 3,223,086 km (0.069 R)
• M8: 3,765,378 km (0.067 R)
• M9: 4,419,121 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 10.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.16 AU - 2.96 AU

Year: 2778 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 91.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,119,589 km

• M1: 133,740 km (0.104 R)
• M2: 881,580 km (0.106 R)
• M3: 1,307,635 km (0.093 R)
• M4: 2,717,445 km (0.068 R)
• M5: 3,055,836 km (0.09 R)
• M6: 4,228,085 km (0.105 R)
• M7: 5,135,097 km (0.083 R)
• M8: 6,351,776 km (0.103 R)
• M9: 8,269,770 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 14.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.32 AU - 4.72 AU

Year: 5467 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,119,589 km

• M1: 180,265 km (0.114 R)
• M2: 923,468 km (0.113 R)
• M3: 1,537,118 km (0.083 R)
• M4: 2,765,317 km (0.094 R)
• M5: 3,376,723 km (0.12 R)
• M6: 3,855,436 km (0.086 R)
• M7: 4,403,563 km (0.076 R)
• M8: 6,399,947 km (0.107 R)
• M9: 7,934,671 km (0.067 R)
• M10: 9,951,998 km (0.043 R)
• M11: 13,641,979 km (0.097 R)
• M12: 14,379,946 km (0.048 R)
• M13: 15,311,641 km (0.03 R)
• M14: 16,695,122 km (0.067 R)
• M15: 17,356,345 km (0.088 R)
• M16: 20,722,297 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.2

Radius: 3.1

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.35 AU - 10.77 AU

Year: 21642 Days

Day: 21.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,119,589 km

• M1: 46,375 km (0.081 R)
• M2: 181,911 km (0.049 R)
• M3: 722,259 km (0.117 R)
• M4: 1,871,170 km (0.099 R)
• M5: 2,007,005 km (0.079 R)
• M6: 4,104,218 km (0.095 R)
• M7: 5,646,572 km (0.051 R)
• M8: 6,681,789 km (0.096 R)
• M9: 10,694,602 km (0.056 R)
• M10: 10,964,626 km (0.116 R)
• M11: 16,562,279 km (0.091 R)
• M12: 18,421,332 km (0.068 R)
• M13: 25,107,459 km (0.087 R)
• M14: 26,456,982 km (0.118 R)
• M15: 29,827,871 km (0.08 R)
• M16: 44,763,722 km (0.099 R)
• M17: 46,029,470 km (0.111 R)
• M18: 46,599,587 km (0.081 R)
• M19: 46,742,902 km (0.101 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 20,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit