🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.97 AU - 1.29 AU

Year: 420 Days

Day: 36.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.29 AU - 3.67 AU

Year: 2271 Days

Day: 25 Hours

Environment

Temp: -99 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.72 AU - 4.28 AU

Year: 2291 Days

Day: 19.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,878,511 km

• M1: 319,092 km (0.111 R)
• M2: 1,791,883 km (0.05 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.16 AU - 4.08 AU

Year: 2410 Days

Day: 32.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,878,511 km

• M1: 169,794 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.42 AU - 4.04 AU

Year: 2520 Days

Day: 14.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 94.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.8

Radius: 6.9

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 12.33 AU - 15.91 AU

Year: 18562 Days

Day: 19.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,878,511 km

• M1: 97,538 km (0.115 R)
• M2: 381,175 km (0.103 R)
• M3: 849,866 km (0.117 R)
• M4: 1,126,921 km (0.031 R)
• M5: 1,656,497 km (0.118 R)
• M6: 2,561,116 km (0.061 R)
• M7: 3,147,090 km (0.12 R)
• M8: 3,444,042 km (0.114 R)
• M9: 3,759,544 km (0.068 R)
• M10: 4,031,962 km (0.098 R)
• M11: 5,109,066 km (0.113 R)
• M12: 5,793,178 km (0.1 R)
• M13: 6,451,109 km (0.089 R)
• M14: 8,934,882 km (0.078 R)
• M15: 11,928,336 km (0.066 R)
• M16: 14,773,538 km (0.039 R)
• M17: 20,438,360 km (0.116 R)
• M18: 26,840,700 km (0.073 R)
• M19: 32,153,818 km (0.095 R)
• M20: 33,166,446 km (0.061 R)
• M21: 37,707,938 km (0.115 R)
• M22: 45,428,834 km (0.057 R)
• M23: 52,211,452 km (0.094 R)
• M24: 56,296,820 km (0.12 R)
• M25: 58,510,570 km (0.049 R)
• M26: 61,745,175 km (0.094 R)
• M27: 65,499,034 km (0.116 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 18,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit