🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.74 AU - 0.92 AU

Year: 266 Days

Day: 17.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.73 AU - 1.01 AU

Year: 285 Days

Day: 13.3 Hours

Environment

Temp: 120 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 5.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 11.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.75 AU - 11.41 AU

Year: 12962 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,302,374 km

• M1: 142,417 km (0.11 R)
• M2: 505,491 km (0.071 R)
• M3: 1,100,592 km (0.074 R)
• M4: 1,684,173 km (0.118 R)
• M5: 2,346,443 km (0.108 R)
• M6: 2,872,728 km (0.117 R)
• M7: 4,827,374 km (0.113 R)
• M8: 5,904,927 km (0.091 R)
• M9: 6,673,112 km (0.107 R)
• M10: 9,206,403 km (0.063 R)
• M11: 10,054,323 km (0.047 R)
• M12: 18,186,763 km (0.039 R)
• M13: 19,520,278 km (0.07 R)
• M14: 20,469,477 km (0.09 R)
• M15: 23,017,428 km (0.082 R)
• M16: 29,675,879 km (0.078 R)
• M17: 30,250,485 km (0.062 R)
• M18: 33,752,122 km (0.106 R)
• M19: 35,439,287 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.6

Radius: 11.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 9.57 AU - 15.57 AU

Year: 15663 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,302,374 km

• M1: 139,425 km (0.099 R)
• M2: 2,101,102 km (0.098 R)
• M3: 5,606,031 km (0.028 R)
• M4: 5,991,993 km (0.056 R)
• M5: 7,034,989 km (0.087 R)
• M6: 7,834,440 km (0.085 R)
• M7: 8,441,808 km (0.082 R)
• M8: 9,036,759 km (0.108 R)
• M9: 9,478,671 km (0.089 R)
• M10: 15,906,442 km (0.06 R)
• M11: 17,620,385 km (0.075 R)
• M12: 25,803,838 km (0.06 R)
• M13: 29,395,234 km (0.101 R)
• M14: 32,272,749 km (0.111 R)
• M15: 38,007,583 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.2

Radius: 6.8

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 15.52 AU - 16.06 AU

Year: 22052 Days

Day: 24.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 168.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,302,374 km

• M1: 84,523 km (0.111 R)
• M2: 326,722 km (0.065 R)
• M3: 1,086,380 km (0.111 R)
• M4: 1,669,662 km (0.07 R)
• M5: 3,700,154 km (0.11 R)
• M6: 9,497,969 km (0.118 R)
• M7: 12,904,163 km (0.08 R)
• M8: 13,326,777 km (0.035 R)
• M9: 14,274,030 km (0.087 R)
• M10: 14,498,876 km (0.112 R)
• M11: 16,547,619 km (0.109 R)
• M12: 19,877,817 km (0.115 R)
• M13: 21,015,808 km (0.09 R)
• M14: 21,502,600 km (0.09 R)
• M15: 27,944,134 km (0.116 R)
• M16: 31,220,926 km (0.057 R)
• M17: 31,854,623 km (0.082 R)
• M18: 35,976,343 km (0.069 R)
• M19: 49,585,112 km (0.118 R)
• M20: 58,855,692 km (0.1 R)
• M21: 76,073,958 km (0.093 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 19,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit