🌌 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: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.5 AU - 0.54 AU

Year: 134 Days

Day: 36.5 Hours

Environment

Temp: 247 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.33 AU - 1.73 AU

Year: 678 Days

Day: 23.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.07 AU - 4.33 AU

Year: 3083 Days

Day: 45.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,306,576 km

• M1: 1,332,767 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 12.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.07 AU - 6.85 AU

Year: 5211 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,306,576 km

• M1: 159,172 km (0.113 R)
• M2: 699,071 km (0.075 R)
• M3: 1,149,959 km (0.106 R)
• M4: 1,602,343 km (0.112 R)
• M5: 3,461,695 km (0.086 R)
• M6: 4,212,676 km (0.109 R)
• M7: 4,963,209 km (0.086 R)
• M8: 5,626,226 km (0.116 R)
• M9: 6,223,271 km (0.048 R)
• M10: 7,232,010 km (0.062 R)
• M11: 7,650,585 km (0.087 R)
• M12: 8,729,933 km (0.095 R)
• M13: 10,691,311 km (0.119 R)
• M14: 11,328,448 km (0.096 R)
• M15: 11,799,083 km (0.105 R)
• M16: 12,679,018 km (0.118 R)
• M17: 16,047,663 km (0.04 R)
• M18: 17,874,552 km (0.084 R)
• M19: 18,838,261 km (0.072 R)
• M20: 19,836,378 km (0.025 R)
• M21: 25,044,928 km (0.08 R)
• M22: 29,129,249 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 12.3

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.83 AU - 9.55 AU

Year: 9175 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,306,576 km

• M1: 153,188 km (0.108 R)
• M2: 575,054 km (0.111 R)
• M3: 1,170,155 km (0.113 R)
• M4: 3,530,211 km (0.103 R)
• M5: 6,493,296 km (0.11 R)
• M6: 6,976,497 km (0.073 R)
• M7: 7,899,067 km (0.09 R)
• M8: 10,725,868 km (0.06 R)
• M9: 12,418,568 km (0.055 R)
• M10: 13,604,730 km (0.076 R)
• M11: 16,014,901 km (0.079 R)
• M12: 16,899,473 km (0.054 R)
• M13: 20,618,775 km (0.111 R)
• M14: 23,063,055 km (0.106 R)
• M15: 29,631,449 km (0.051 R)
• M16: 31,743,172 km (0.109 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 18,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit