🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 136 Days

Day: 41.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.59 AU - 1.65 AU

Year: 746 Days

Day: 45.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,034,974 km

• M1: 88,263 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 13

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.67 AU - 8.15 AU

Year: 6569 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,034,974 km

• M1: 161,715 km (0.072 R)
• M2: 952,190 km (0.102 R)
• M3: 1,462,020 km (0.054 R)
• M4: 2,074,623 km (0.108 R)
• M5: 2,509,055 km (0.084 R)
• M6: 3,682,501 km (0.11 R)
• M7: 5,119,090 km (0.097 R)
• M8: 5,869,173 km (0.085 R)
• M9: 6,780,823 km (0.103 R)
• M10: 7,524,922 km (0.096 R)
• M11: 7,983,590 km (0.099 R)
• M12: 8,495,813 km (0.097 R)
• M13: 8,993,525 km (0.059 R)
• M14: 10,403,634 km (0.069 R)
• M15: 12,765,486 km (0.086 R)
• M16: 14,145,227 km (0.106 R)
• M17: 14,643,388 km (0.109 R)
• M18: 16,754,513 km (0.11 R)
• M19: 17,199,866 km (0.089 R)
• M20: 18,114,507 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918

Radius: 6.4

Gravity: 22.41 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 16.77 AU - 16.81 AU

Year: 24881 Days

Day: 18 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 97,034,974 km

• M1: 80,932 km (0.089 R)
• M2: 866,920 km (0.075 R)
• M3: 1,558,511 km (0.101 R)
• M4: 2,030,641 km (0.096 R)
• M5: 2,324,003 km (0.105 R)
• M6: 2,543,463 km (0.103 R)
• M7: 2,912,371 km (0.086 R)
• M8: 3,226,976 km (0.043 R)
• M9: 4,640,975 km (0.104 R)
• M10: 5,526,744 km (0.078 R)
• M11: 6,238,381 km (0.087 R)
• M12: 6,909,626 km (0.115 R)
• M13: 7,681,103 km (0.094 R)
• M14: 8,451,831 km (0.102 R)
• M15: 8,973,628 km (0.114 R)
• M16: 10,145,728 km (0.037 R)
• M17: 12,126,403 km (0.061 R)
• M18: 13,870,266 km (0.109 R)
• M19: 20,399,914 km (0.099 R)
• M20: 23,186,772 km (0.026 R)
• M21: 23,750,308 km (0.052 R)
• M22: 24,670,933 km (0.058 R)
• M23: 26,338,949 km (0.079 R)
• M24: 26,705,913 km (0.088 R)
• M25: 29,502,046 km (0.106 R)
• M26: 31,106,633 km (0.072 R)
• M27: 34,488,592 km (0.027 R)
• M28: 41,640,567 km (0.066 R)
• M29: 44,515,539 km (0.075 R)
• M30: 49,164,443 km (0.102 R)
• M31: 51,224,854 km (0.082 R)
• M32: 59,622,381 km (0.037 R)
• M33: 62,830,507 km (0.115 R)
• M34: 80,096,196 km (0.1 R)
• M35: 88,294,758 km (0.106 R)
• M36: 93,586,334 km (0.115 R)
• M37: 95,587,953 km (0.091 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 20,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit