🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.2

Radius: 11.7

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.68 AU - 0.82 AU

Year: 457 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,170,466 km

• M1: 145,559 km (0.067 R)
• M2: 712,535 km (0.113 R)
• M3: 1,128,566 km (0.066 R)
• M4: 1,572,423 km (0.112 R)
• M5: 2,072,080 km (0.107 R)
• M6: 2,666,283 km (0.11 R)
• M7: 3,239,991 km (0.059 R)
• M8: 3,723,341 km (0.112 R)
• M9: 5,692,349 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 11.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.17 AU - 1.21 AU

Year: 912 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,170,466 km

• M1: 143,464 km (0.097 R)
• M2: 534,962 km (0.116 R)
• M3: 1,048,232 km (0.061 R)
• M4: 1,444,367 km (0.082 R)
• M5: 1,845,140 km (0.087 R)
• M6: 2,520,724 km (0.099 R)
• M7: 3,091,590 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 10.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.1 AU - 1.34 AU

Year: 947 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,170,466 km

• M1: 131,945 km (0.117 R)
• M2: 469,438 km (0.107 R)
• M3: 982,409 km (0.111 R)
• M4: 1,413,700 km (0.048 R)
• M5: 1,861,297 km (0.113 R)
• M6: 2,852,831 km (0.097 R)
• M7: 3,199,898 km (0.089 R)
• M8: 5,314,016 km (0.059 R)
• M9: 5,662,878 km (0.05 R)
• M10: 6,762,572 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 10.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.53 AU - 4.07 AU

Year: 4214 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,170,466 km

• M1: 135,835 km (0.117 R)
• M2: 657,034 km (0.058 R)
• M3: 1,895,405 km (0.059 R)
• M4: 3,834,044 km (0.042 R)
• M5: 4,953,036 km (0.104 R)
• M6: 6,985,622 km (0.089 R)
• M7: 7,719,849 km (0.047 R)
• M8: 9,582,492 km (0.087 R)
• M9: 11,315,583 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 12.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.62 AU - 4.34 AU

Year: 4563 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,170,466 km

• M1: 153,188 km (0.087 R)
• M2: 559,945 km (0.109 R)
• M3: 1,018,014 km (0.107 R)
• M4: 1,691,802 km (0.111 R)
• M5: 2,107,535 km (0.111 R)
• M6: 2,591,933 km (0.116 R)
• M7: 2,981,037 km (0.07 R)
• M8: 3,860,672 km (0.072 R)
• M9: 4,613,000 km (0.034 R)
• M10: 6,057,068 km (0.109 R)
• M11: 6,564,953 km (0.06 R)
• M12: 10,628,031 km (0.114 R)
• M13: 14,681,535 km (0.101 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: 414 - 16,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit