🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.25 AU - 2.65 AU

Year: 1639 Days

Day: 31.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.1 AU - 3.02 AU

Year: 1751 Days

Day: 26.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 132.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 8.6

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.33 AU - 3.35 AU

Year: 2046 Days

Day: 10.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 6,912,217 km

• M1: 106,962 km (0.105 R)
• M2: 450,738 km (0.118 R)
• M3: 846,874 km (0.116 R)
• M4: 1,734,737 km (0.078 R)
• M5: 2,260,424 km (0.063 R)
• M6: 2,706,525 km (0.113 R)
• M7: 2,982,682 km (0.103 R)
• M8: 3,984,689 km (0.104 R)
• M9: 4,302,734 km (0.074 R)
• M10: 6,103,593 km (0.12 R)
• M11: 6,500,327 km (0.115 R)
• M12: 7,199,697 km (0.085 R)
• M13: 8,041,484 km (0.108 R)
• M14: 8,847,368 km (0.113 R)
• M15: 9,150,303 km (0.097 R)
• M16: 10,394,658 km (0.109 R)
• M17: 10,999,782 km (0.042 R)
• M18: 11,951,075 km (0.046 R)
• M19: 12,614,990 km (0.062 R)
• M20: 13,567,928 km (0.039 R)
• M21: 14,198,783 km (0.045 R)
• M22: 14,661,190 km (0.095 R)
• M23: 15,518,984 km (0.051 R)
• M24: 15,812,345 km (0.03 R)
• M25: 16,109,297 km (0.096 R)
• M26: 16,867,908 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 13

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.71 AU - 3.89 AU

Year: 2563 Days

Day: 11.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 6,912,217 km

• M1: 162,314 km (0.085 R)
• M2: 642,224 km (0.111 R)
• M3: 1,891,815 km (0.097 R)
• M4: 3,830,453 km (0.12 R)
• M5: 4,437,372 km (0.069 R)
• M6: 4,922,668 km (0.099 R)
• M7: 7,319,824 km (0.111 R)
• M8: 9,099,290 km (0.115 R)
• M9: 13,181,218 km (0.094 R)
• M10: 14,378,001 km (0.079 R)
• M11: 18,125,577 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.1

Radius: 14.3

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.06 AU - 3.78 AU

Year: 2704 Days

Day: 12.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 6,912,217 km

• M1: 178,919 km (0.111 R)
• M2: 683,961 km (0.096 R)
• M3: 1,706,463 km (0.05 R)
• M4: 2,342,403 km (0.071 R)
• M5: 3,053,143 km (0.049 R)
• M6: 3,536,045 km (0.111 R)
• M7: 4,581,884 km (0.083 R)
• M8: 5,735,732 km (0.115 R)
• M9: 6,343,099 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 19,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit