🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 9.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.78 AU - 1.02 AU

Year: 543 Days

Day: 10.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,664,626 km

• M1: 118,182 km (0.042 R)
• M2: 434,582 km (0.087 R)
• M3: 901,926 km (0.098 R)
• M4: 1,339,799 km (0.06 R)
• M5: 2,386,834 km (0.074 R)
• M6: 2,959,794 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.8

Radius: 11.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.16 AU - 1.84 AU

Year: 1168 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,664,626 km

• M1: 138,228 km (0.093 R)
• M2: 845,527 km (0.057 R)
• M3: 1,261,409 km (0.044 R)
• M4: 1,903,783 km (0.08 R)
• M5: 2,374,268 km (0.103 R)
• M6: 2,789,103 km (0.1 R)
• M7: 3,345,607 km (0.04 R)
• M8: 6,365,988 km (0.064 R)
• M9: 8,886,712 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 12.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.4 AU - 2.12 AU

Year: 1485 Days

Day: 8.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,664,626 km

• M1: 153,039 km (0.11 R)
• M2: 684,709 km (0.113 R)
• M3: 2,104,992 km (0.112 R)
• M4: 2,932,268 km (0.099 R)
• M5: 3,710,027 km (0.049 R)
• M6: 4,148,050 km (0.115 R)
• M7: 4,842,333 km (0.115 R)
• M8: 5,488,895 km (0.055 R)
• M9: 5,972,994 km (0.063 R)
• M10: 7,003,275 km (0.046 R)
• M11: 7,422,149 km (0.094 R)
• M12: 9,180,522 km (0.064 R)
• M13: 9,683,021 km (0.074 R)
• M14: 10,141,539 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 13.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.49 AU

Year: 1853 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,664,626 km

• M1: 165,455 km (0.114 R)
• M2: 626,217 km (0.095 R)
• M3: 1,638,545 km (0.091 R)
• M4: 2,151,816 km (0.093 R)
• M5: 2,699,494 km (0.108 R)
• M6: 3,669,337 km (0.072 R)
• M7: 4,644,864 km (0.088 R)
• M8: 5,885,479 km (0.055 R)
• M9: 6,345,044 km (0.085 R)
• M10: 9,419,131 km (0.086 R)
• M11: 10,708,515 km (0.057 R)
• M12: 11,202,038 km (0.089 R)
• M13: 12,112,491 km (0.05 R)
• M14: 13,812,820 km (0.066 R)
• M15: 14,813,331 km (0.12 R)
• M16: 15,764,175 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 12

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.99 AU - 3.11 AU

Year: 2589 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,664,626 km

• M1: 149,448 km (0.083 R)
• M2: 524,341 km (0.1 R)
• M3: 1,334,263 km (0.109 R)
• M4: 2,260,873 km (0.052 R)
• M5: 3,052,993 km (0.058 R)
• M6: 3,522,880 km (0.05 R)
• M7: 5,984,064 km (0.102 R)
• M8: 7,826,661 km (0.108 R)
• M9: 8,517,504 km (0.113 R)
• M10: 15,444,035 km (0.072 R)
• M11: 15,833,738 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.2

Radius: 8.1

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.97 AU - 3.97 AU

Year: 4110 Days

Day: 13.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,664,626 km

• M1: 101,128 km (0.092 R)
• M2: 413,638 km (0.057 R)
• M3: 681,119 km (0.046 R)
• M4: 1,133,353 km (0.09 R)
• M5: 1,852,919 km (0.091 R)
• M6: 2,391,472 km (0.105 R)
• M7: 2,811,542 km (0.097 R)
• M8: 3,461,246 km (0.115 R)
• M9: 3,999,948 km (0.107 R)
• M10: 7,814,095 km (0.118 R)
• M11: 9,130,556 km (0.05 R)
• M12: 11,581,418 km (0.094 R)
• M13: 12,341,226 km (0.103 R)
• M14: 15,096,370 km (0.087 R)
• M15: 16,765,433 km (0.119 R)
• M16: 19,593,282 km (0.072 R)
• M17: 20,808,316 km (0.076 R)
• M18: 26,658,341 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 8.6

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.1 AU - 5.76 AU

Year: 6960 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,664,626 km

• M1: 106,962 km (0.118 R)
• M2: 378,782 km (0.073 R)
• M3: 731,982 km (0.067 R)
• M4: 1,019,809 km (0.048 R)
• M5: 1,878,949 km (0.111 R)
• M6: 2,575,627 km (0.038 R)
• M7: 3,412,327 km (0.105 R)
• M8: 3,751,765 km (0.08 R)
• M9: 4,264,736 km (0.062 R)
• M10: 5,799,909 km (0.097 R)
• M11: 6,120,198 km (0.099 R)
• M12: 7,446,982 km (0.097 R)
• M13: 7,981,046 km (0.077 R)
• M14: 9,297,657 km (0.073 R)
• M15: 10,236,982 km (0.105 R)
• M16: 11,485,825 km (0.103 R)
• M17: 12,408,096 km (0.06 R)
• M18: 15,288,603 km (0.045 R)
• M19: 16,530,714 km (0.111 R)
• M20: 23,441,089 km (0.084 R)
• M21: 24,670,484 km (0.1 R)
• M22: 30,209,794 km (0.108 R)
• M23: 33,165,399 km (0.119 R)
• M24: 33,778,900 km (0.109 R)
• M25: 35,664,581 km (0.107 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: 350 - 17,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit