🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.28 AU

Year: 441 Days

Day: 47.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 21.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 70,832,075 km

• M1: 284,386 km (0.104 R)
• M2: 581,936 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.3 AU - 3.56 AU

Year: 1841 Days

Day: 30.5 Hours

Environment

Temp: -100 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.82 AU - 4 AU

Year: 2838 Days

Day: 37.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,832,075 km

• M1: 879,486 km (0.072 R)

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 11.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.21 AU - 7.17 AU

Year: 5653 Days

Day: 5.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,832,075 km

• M1: 140,472 km (0.118 R)
• M2: 551,418 km (0.09 R)
• M3: 962,363 km (0.1 R)
• M4: 1,414,448 km (0.029 R)
• M5: 1,891,216 km (0.119 R)
• M6: 2,474,199 km (0.104 R)
• M7: 3,153,523 km (0.079 R)
• M8: 4,531,768 km (0.074 R)
• M9: 7,101,710 km (0.108 R)
• M10: 7,503,231 km (0.069 R)
• M11: 7,997,353 km (0.12 R)
• M12: 8,553,557 km (0.108 R)
• M13: 9,008,634 km (0.1 R)
• M14: 9,877,349 km (0.095 R)
• M15: 10,425,027 km (0.112 R)
• M16: 11,781,730 km (0.102 R)
• M17: 12,660,917 km (0.113 R)
• M18: 13,362,231 km (0.075 R)
• M19: 13,919,334 km (0.119 R)
• M20: 14,433,801 km (0.065 R)
• M21: 15,259,432 km (0.089 R)
• M22: 18,603,393 km (0.1 R)
• M23: 22,097,700 km (0.102 R)
• M24: 23,194,103 km (0.097 R)
• M25: 23,917,708 km (0.104 R)
• M26: 25,495,068 km (0.116 R)
• M27: 26,788,341 km (0.047 R)
• M28: 29,505,487 km (0.079 R)
• M29: 34,746,200 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.2

Radius: 4.1

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 17.36 AU - 19.08 AU

Year: 28549 Days

Day: 20.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 79.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,832,075 km

• M1: 75,248 km (0.116 R)
• M2: 484,697 km (0.088 R)
• M3: 815,009 km (0.042 R)
• M4: 1,741,768 km (0.059 R)
• M5: 3,085,755 km (0.096 R)
• M6: 3,244,479 km (0.06 R)
• M7: 3,996,507 km (0.077 R)
• M8: 7,927,790 km (0.119 R)
• M9: 11,446,032 km (0.118 R)
• M10: 12,086,012 km (0.076 R)
• M11: 12,414,828 km (0.058 R)
• M12: 18,088,776 km (0.11 R)
• M13: 23,303,160 km (0.091 R)
• M14: 56,070,928 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 19,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit