🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.77 AU - 0.93 AU

Year: 298 Days

Day: 22.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.49 AU - 3.35 AU

Year: 1900 Days

Day: 35.4 Hours

Environment

Temp: -109 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 12.8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.89 AU - 4.43 AU

Year: 3231 Days

Day: 5.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,437,580 km

• M1: 159,172 km (0.099 R)
• M2: 793,018 km (0.114 R)
• M3: 1,285,644 km (0.078 R)
• M4: 1,712,297 km (0.12 R)
• M5: 2,285,407 km (0.066 R)
• M6: 3,914,378 km (0.059 R)
• M7: 5,743,810 km (0.027 R)
• M8: 6,957,049 km (0.035 R)
• M9: 8,057,341 km (0.106 R)
• M10: 8,554,006 km (0.068 R)
• M11: 9,746,900 km (0.077 R)
• M12: 10,168,317 km (0.065 R)
• M13: 12,791,067 km (0.077 R)
• M14: 14,756,932 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.7

Radius: 4.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 16.28 AU - 18.02 AU

Year: 27045 Days

Day: 20.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,437,580 km

• M1: 114,143 km (0.112 R)
• M2: 641,176 km (0.081 R)
• M3: 2,521,173 km (0.099 R)
• M4: 2,739,436 km (0.078 R)
• M5: 3,686,092 km (0.116 R)
• M6: 4,479,259 km (0.078 R)
• M7: 5,380,437 km (0.081 R)
• M8: 10,871,876 km (0.104 R)
• M9: 12,234,114 km (0.115 R)
• M10: 19,489,461 km (0.115 R)
• M11: 20,778,546 km (0.111 R)
• M12: 29,614,843 km (0.104 R)
• M13: 30,513,777 km (0.106 R)
• M14: 34,661,079 km (0.088 R)
• M15: 35,157,594 km (0.079 R)
• M16: 42,334,402 km (0.052 R)
• M17: 44,342,604 km (0.11 R)
• M18: 56,875,614 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 12,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit