🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.48 AU - 0.58 AU

Year: 138 Days

Day: 21.2 Hours

Environment

Temp: 263 °C

Axial Tilt: 70 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.79 AU - 2.85 AU

Year: 1260 Days

Day: 46 Hours

Environment

Temp: -73 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,927,046 km

• M1: 312,809 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.05 AU - 3.05 AU

Year: 1451 Days

Day: 37.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,927,046 km

• M1: 1,866,533 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.8

Radius: 13.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 10.05 AU - 12.41 AU

Year: 13414 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,927,046 km

• M1: 165,306 km (0.113 R)
• M2: 604,525 km (0.102 R)
• M3: 1,203,964 km (0.111 R)
• M4: 2,998,241 km (0.117 R)
• M5: 3,578,531 km (0.086 R)
• M6: 4,605,670 km (0.1 R)
• M7: 7,109,040 km (0.098 R)
• M8: 8,530,669 km (0.1 R)
• M9: 9,180,373 km (0.075 R)
• M10: 10,410,815 km (0.089 R)
• M11: 10,863,648 km (0.108 R)
• M12: 12,490,076 km (0.088 R)
• M13: 13,594,258 km (0.113 R)
• M14: 15,847,800 km (0.11 R)
• M15: 17,614,551 km (0.11 R)
• M16: 18,177,338 km (0.097 R)
• M17: 20,815,796 km (0.076 R)
• M18: 21,354,498 km (0.054 R)
• M19: 22,647,771 km (0.107 R)
• M20: 24,784,478 km (0.072 R)
• M21: 26,946,616 km (0.113 R)
• M22: 27,910,774 km (0.084 R)
• M23: 29,681,265 km (0.103 R)
• M24: 31,879,755 km (0.1 R)
• M25: 39,670,513 km (0.104 R)
• M26: 40,083,403 km (0.079 R)
• M27: 46,018,848 km (0.093 R)
• M28: 48,016,728 km (0.116 R)
• M29: 49,116,123 km (0.077 R)
• M30: 53,179,799 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.4

Radius: 5.8

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 17.12 AU - 20.38 AU

Year: 28940 Days

Day: 15.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,927,046 km

• M1: 72,106 km (0.056 R)
• M2: 402,269 km (0.104 R)
• M3: 618,737 km (0.11 R)
• M4: 1,418,337 km (0.047 R)
• M5: 2,093,173 km (0.113 R)
• M6: 3,092,786 km (0.118 R)
• M7: 3,593,790 km (0.092 R)
• M8: 9,598,499 km (0.108 R)
• M9: 11,728,623 km (0.049 R)
• M10: 17,483,952 km (0.1 R)
• M11: 20,724,242 km (0.106 R)
• M12: 22,585,688 km (0.117 R)
• M13: 26,413,299 km (0.12 R)
• M14: 36,420,798 km (0.096 R)
• M15: 46,694,432 km (0.096 R)
• M16: 56,666,776 km (0.093 R)
• M17: 66,298,934 km (0.117 R)
• M18: 71,391,245 km (0.059 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit