🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.1

Radius: 8.2

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 7.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,451,064 km

• M1: 102,026 km (0.109 R)
• M2: 357,389 km (0.093 R)
• M3: 630,854 km (0.118 R)
• M4: 1,142,629 km (0.095 R)
• M5: 1,624,483 km (0.114 R)
• M6: 1,977,833 km (0.095 R)
• M7: 2,618,412 km (0.101 R)
• M8: 2,920,898 km (0.066 R)
• M9: 3,561,626 km (0.1 R)
• M10: 4,548,523 km (0.088 R)
• M11: 4,900,527 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.8

Radius: 15

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.82 AU - 1.08 AU

Year: 628 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,451,064 km

• M1: 186,997 km (0.061 R)
• M2: 655,089 km (0.061 R)
• M3: 1,767,798 km (0.073 R)
• M4: 2,338,963 km (0.119 R)
• M5: 2,886,042 km (0.039 R)
• M6: 3,608,301 km (0.116 R)
• M7: 4,371,100 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 11.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.81 AU - 1.19 AU

Year: 678 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,451,064 km

• M1: 144,212 km (0.095 R)
• M2: 574,306 km (0.073 R)
• M3: 1,118,244 km (0.108 R)
• M4: 1,550,582 km (0.098 R)
• M5: 2,039,617 km (0.119 R)
• M6: 2,470,310 km (0.096 R)
• M7: 3,143,650 km (0.096 R)
• M8: 3,517,644 km (0.112 R)
• M9: 4,008,924 km (0.063 R)
• M10: 4,707,695 km (0.112 R)
• M11: 5,467,802 km (0.069 R)
• M12: 6,247,955 km (0.117 R)
• M13: 6,675,506 km (0.088 R)
• M14: 7,431,723 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.9

Radius: 10.4

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.21 AU - 1.53 AU

Year: 1088 Days

Day: 14.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,451,064 km

• M1: 139,425 km (0.111 R)
• M2: 584,778 km (0.109 R)
• M3: 1,149,510 km (0.055 R)
• M4: 1,473,539 km (0.06 R)
• M5: 1,800,410 km (0.109 R)
• M6: 2,195,648 km (0.052 R)
• M7: 3,238,943 km (0.114 R)
• M8: 3,702,697 km (0.107 R)
• M9: 4,225,541 km (0.097 R)
• M10: 4,649,502 km (0.062 R)
• M11: 4,998,813 km (0.112 R)
• M12: 5,455,535 km (0.101 R)
• M13: 6,432,858 km (0.037 R)
• M14: 6,995,496 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.2

Radius: 13.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.03 AU - 2.98 AU

Year: 2681 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,451,064 km

• M1: 171,589 km (0.045 R)
• M2: 1,003,503 km (0.097 R)
• M3: 1,717,832 km (0.101 R)
• M4: 2,713,705 km (0.119 R)
• M5: 3,341,717 km (0.099 R)
• M6: 4,329,063 km (0.072 R)
• M7: 6,313,180 km (0.069 R)
• M8: 7,422,448 km (0.041 R)
• M9: 8,083,072 km (0.068 R)
• M10: 12,862,425 km (0.032 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 14,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit