🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.7 AU - 1.14 AU

Year: 334 Days

Day: 35.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 14 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.96 AU - 2.14 AU

Year: 1112 Days

Day: 28.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,295,444 km

• M1: 1,502,711 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.62 AU - 2.54 AU

Year: 1136 Days

Day: 19 Hours

Environment

Temp: -81 °C

Axial Tilt: 51.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.9

Radius: 12.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.78 AU - 5.18 AU

Year: 4209 Days

Day: 9.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,295,444 km

• M1: 150,795 km (0.103 R)
• M2: 592,258 km (0.116 R)
• M3: 1,022,950 km (0.074 R)
• M4: 1,625,530 km (0.111 R)
• M5: 2,665,385 km (0.114 R)
• M6: 3,155,169 km (0.087 R)
• M7: 4,693,932 km (0.09 R)
• M8: 5,720,024 km (0.102 R)
• M9: 6,258,577 km (0.12 R)
• M10: 6,684,631 km (0.1 R)
• M11: 7,851,495 km (0.088 R)
• M12: 8,483,695 km (0.096 R)
• M13: 9,887,821 km (0.103 R)
• M14: 11,358,069 km (0.056 R)
• M15: 12,519,547 km (0.068 R)
• M16: 13,901,233 km (0.068 R)
• M17: 14,777,577 km (0.062 R)
• M18: 16,640,669 km (0.112 R)
• M19: 20,828,063 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 13.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.21 AU - 11.79 AU

Year: 11977 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,295,444 km

• M1: 172,786 km (0.07 R)
• M2: 752,926 km (0.053 R)
• M3: 1,456,335 km (0.092 R)
• M4: 1,973,346 km (0.11 R)
• M5: 2,556,628 km (0.045 R)
• M6: 3,435,515 km (0.087 R)
• M7: 4,910,999 km (0.112 R)
• M8: 6,812,238 km (0.093 R)
• M9: 9,721,169 km (0.06 R)
• M10: 11,213,408 km (0.091 R)
• M11: 14,215,388 km (0.099 R)
• M12: 14,648,324 km (0.103 R)
• M13: 17,085,722 km (0.098 R)
• M14: 22,003,603 km (0.066 R)
• M15: 23,861,908 km (0.073 R)
• M16: 26,282,850 km (0.061 R)
• M17: 27,409,920 km (0.09 R)
• M18: 30,368,069 km (0.116 R)
• M19: 31,504,264 km (0.039 R)
• M20: 34,191,491 km (0.027 R)
• M21: 35,989,508 km (0.115 R)
• M22: 38,803,743 km (0.107 R)
• M23: 42,523,793 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 10,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit