🌌 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: 481.2

Radius: 10.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 6.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,534,122 km

• M1: 127,009 km (0.07 R)
• M2: 566,677 km (0.109 R)
• M3: 1,177,485 km (0.096 R)
• M4: 2,307,547 km (0.104 R)
• M5: 2,682,589 km (0.081 R)
• M6: 3,239,542 km (0.067 R)
• M7: 3,848,854 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 13.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.6 AU - 0.92 AU

Year: 457 Days

Day: 7.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,534,122 km

• M1: 169,345 km (0.116 R)
• M2: 802,593 km (0.103 R)
• M3: 1,302,997 km (0.119 R)
• M4: 1,855,313 km (0.114 R)
• M5: 2,480,183 km (0.118 R)
• M6: 3,343,064 km (0.094 R)
• M7: 3,989,626 km (0.099 R)
• M8: 4,493,621 km (0.095 R)
• M9: 4,965,752 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 14.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.32 AU - 2 AU

Year: 1476 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,534,122 km

• M1: 180,415 km (0.086 R)
• M2: 725,998 km (0.085 R)
• M3: 1,403,976 km (0.089 R)
• M4: 2,063,403 km (0.064 R)
• M5: 3,104,455 km (0.119 R)
• M6: 4,826,925 km (0.118 R)
• M7: 6,702,583 km (0.081 R)
• M8: 8,676,677 km (0.116 R)
• M9: 9,938,684 km (0.098 R)
• M10: 10,812,485 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 8.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.75 AU - 2.61 AU

Year: 2222 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,534,122 km

• M1: 108,159 km (0.113 R)
• M2: 404,513 km (0.088 R)
• M3: 704,756 km (0.086 R)
• M4: 1,721,124 km (0.077 R)
• M5: 2,414,210 km (0.032 R)
• M6: 3,021,578 km (0.076 R)
• M7: 3,393,628 km (0.087 R)
• M8: 3,901,812 km (0.092 R)
• M9: 4,287,026 km (0.107 R)
• M10: 5,263,451 km (0.084 R)
• M11: 5,574,465 km (0.079 R)
• M12: 6,632,870 km (0.062 R)
• M13: 7,156,014 km (0.094 R)
• M14: 8,737,114 km (0.044 R)
• M15: 9,957,384 km (0.11 R)
• M16: 11,995,505 km (0.098 R)
• M17: 13,789,782 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.3

Radius: 12.1

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.34 AU - 4.22 AU

Year: 5073 Days

Day: 5.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,534,122 km

• M1: 153,188 km (0.095 R)
• M2: 619,784 km (0.09 R)
• M3: 2,072,978 km (0.081 R)
• M4: 3,236,101 km (0.1 R)
• M5: 3,942,951 km (0.084 R)
• M6: 4,946,603 km (0.098 R)
• M7: 5,861,095 km (0.042 R)
• M8: 6,267,702 km (0.067 R)
• M9: 9,911,607 km (0.045 R)
• M10: 11,092,084 km (0.099 R)
• M11: 13,642,877 km (0.068 R)
• M12: 15,626,694 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 18,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit