🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.43 AU - 0.61 AU

Year: 140 Days

Day: 27.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.8 AU - 1 AU

Year: 318 Days

Day: 37.3 Hours

Environment

Temp: 43 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.84 AU - 1.16 AU

Year: 373 Days

Day: 24.6 Hours

Environment

Temp: 26 °C

Axial Tilt: 18.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.72 AU - 2.34 AU

Year: 1078 Days

Day: 41.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.1

Radius: 11.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.24 AU - 8.26 AU

Year: 7277 Days

Day: 8.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 107,427,830 km

• M1: 138,079 km (0.116 R)
• M2: 497,114 km (0.12 R)
• M3: 1,133,353 km (0.107 R)
• M4: 1,812,079 km (0.12 R)
• M5: 2,251,298 km (0.081 R)
• M6: 3,274,398 km (0.048 R)
• M7: 3,749,820 km (0.108 R)
• M8: 5,008,387 km (0.117 R)
• M9: 6,413,859 km (0.094 R)
• M10: 8,973,778 km (0.05 R)
• M11: 14,708,911 km (0.078 R)
• M12: 18,067,832 km (0.059 R)
• M13: 19,863,605 km (0.069 R)
• M14: 20,614,138 km (0.084 R)
• M15: 21,189,342 km (0.07 R)
• M16: 22,305,192 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.4

Radius: 3.9

Gravity: 62.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.95 AU - 17.21 AU

Year: 24037 Days

Day: 23.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 101.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 107,427,830 km

• M1: 48,919 km (0.113 R)
• M2: 183,407 km (0.079 R)
• M3: 449,093 km (0.052 R)
• M4: 875,447 km (0.073 R)
• M5: 1,141,881 km (0.114 R)
• M6: 2,155,556 km (0.097 R)
• M7: 2,512,646 km (0.1 R)
• M8: 3,404,698 km (0.102 R)
• M9: 3,821,029 km (0.052 R)
• M10: 4,163,758 km (0.109 R)
• M11: 4,452,481 km (0.106 R)
• M12: 4,832,011 km (0.115 R)
• M13: 7,008,511 km (0.091 R)
• M14: 9,575,161 km (0.079 R)
• M15: 10,013,782 km (0.117 R)
• M16: 10,205,866 km (0.108 R)
• M17: 10,531,391 km (0.083 R)
• M18: 14,746,610 km (0.045 R)
• M19: 16,368,700 km (0.112 R)
• M20: 18,106,129 km (0.115 R)
• M21: 19,962,789 km (0.084 R)
• M22: 26,774,728 km (0.115 R)
• M23: 29,436,971 km (0.118 R)
• M24: 30,362,234 km (0.09 R)
• M25: 46,835,204 km (0.094 R)
• M26: 47,913,505 km (0.114 R)
• M27: 49,192,268 km (0.078 R)
• M28: 54,930,842 km (0.091 R)
• M29: 58,994,519 km (0.072 R)
• M30: 61,526,463 km (0.117 R)
• M31: 70,722,693 km (0.08 R)
• M32: 70,957,860 km (0.091 R)
• M33: 77,503,066 km (0.042 R)
• M34: 77,752,895 km (0.062 R)
• M35: 80,281,099 km (0.072 R)
• M36: 84,968,898 km (0.106 R)
• M37: 89,012,079 km (0.085 R)
• M38: 92,057,144 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.4

Radius: 5.9

Gravity: 22.88 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 16.45 AU - 21.75 AU

Year: 31117 Days

Day: 22 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 107,427,830 km

• M1: 73,453 km (0.073 R)
• M2: 894,146 km (0.074 R)
• M3: 1,557,463 km (0.064 R)
• M4: 2,186,373 km (0.077 R)
• M5: 3,827,162 km (0.087 R)
• M6: 4,145,656 km (0.063 R)
• M7: 5,871,567 km (0.041 R)
• M8: 8,198,711 km (0.089 R)
• M9: 19,333,430 km (0.11 R)
• M10: 24,923,304 km (0.118 R)
• M11: 27,045,051 km (0.103 R)
• M12: 31,929,870 km (0.101 R)
• M13: 32,797,239 km (0.08 R)
• M14: 36,424,538 km (0.098 R)
• M15: 42,353,102 km (0.095 R)
• M16: 43,929,714 km (0.063 R)
• M17: 49,659,312 km (0.074 R)
• M18: 53,811,401 km (0.108 R)
• M19: 66,235,355 km (0.091 R)
• M20: 92,698,919 km (0.056 R)
• M21: 100,805,478 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 15,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit