🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.94 AU - 1.16 AU

Year: 399 Days

Day: 43.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.47 AU - 1.57 AU

Year: 695 Days

Day: 30.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.78 AU - 2.68 AU

Year: 1235 Days

Day: 26.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.78 AU - 3.62 AU

Year: 2123 Days

Day: 35.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 10.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.6 AU - 10.64 AU

Year: 9386 Days

Day: 7.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,862,758 km

• M1: 132,993 km (0.113 R)
• M2: 476,170 km (0.074 R)
• M3: 1,432,549 km (0.073 R)
• M4: 1,836,164 km (0.103 R)
• M5: 3,528,715 km (0.109 R)
• M6: 4,698,570 km (0.081 R)
• M7: 6,316,172 km (0.099 R)
• M8: 7,718,502 km (0.083 R)
• M9: 8,420,565 km (0.058 R)
• M10: 11,216,250 km (0.116 R)
• M11: 15,324,207 km (0.096 R)
• M12: 24,527,169 km (0.098 R)
• M13: 25,201,257 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 13.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.98 AU - 10.84 AU

Year: 11570 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,862,758 km

• M1: 168,298 km (0.077 R)
• M2: 590,014 km (0.108 R)
• M3: 1,049,579 km (0.078 R)
• M4: 1,567,935 km (0.048 R)
• M5: 3,479,347 km (0.062 R)
• M6: 4,716,222 km (0.055 R)
• M7: 5,600,795 km (0.07 R)
• M8: 7,850,896 km (0.111 R)
• M9: 8,516,906 km (0.059 R)
• M10: 9,093,456 km (0.113 R)
• M11: 12,170,535 km (0.062 R)
• M12: 13,499,113 km (0.089 R)
• M13: 14,981,180 km (0.076 R)
• M14: 16,193,072 km (0.114 R)
• M15: 20,439,258 km (0.112 R)
• M16: 22,545,147 km (0.103 R)
• M17: 24,958,011 km (0.097 R)
• M18: 31,540,018 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit