🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.61 AU - 0.91 AU

Year: 240 Days

Day: 32.1 Hours

Environment

Temp: 132 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,580,853 km

• M1: 74,500 km (0.082 R)

Asteroid Belt

Center: 1.03 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.04 AU - 1.56 AU

Year: 536 Days

Day: 17.6 Hours

Environment

Temp: -13 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.41 AU - 1.45 AU

Year: 618 Days

Day: 46 Hours

Environment

Temp: -21 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,580,853 km

• M1: 109,057 km (0.104 R)
• M2: 134,040 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.17 AU - 1.87 AU

Year: 678 Days

Day: 25.3 Hours

Environment

Temp: -39 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.27 AU - 2.99 AU

Year: 1542 Days

Day: 46.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.87 AU - 3.67 AU

Year: 2139 Days

Day: 24.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.7

Radius: 7.3

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 15.1 AU - 22.56 AU

Year: 29551 Days

Day: 25 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,580,853 km

• M1: 90,806 km (0.107 R)
• M2: 361,279 km (0.079 R)
• M3: 634,893 km (0.119 R)
• M4: 910,004 km (0.103 R)
• M5: 2,670,023 km (0.107 R)
• M6: 3,372,684 km (0.12 R)
• M7: 7,445,785 km (0.067 R)
• M8: 11,098,816 km (0.092 R)
• M9: 12,007,922 km (0.115 R)
• M10: 14,455,941 km (0.108 R)
• M11: 15,624,600 km (0.091 R)
• M12: 16,408,493 km (0.082 R)
• M13: 16,675,525 km (0.083 R)
• M14: 26,711,897 km (0.097 R)
• M15: 27,205,570 km (0.066 R)
• M16: 29,372,046 km (0.086 R)
• M17: 29,898,032 km (0.109 R)
• M18: 54,666,503 km (0.102 R)
• M19: 71,374,042 km (0.085 R)
• M20: 81,003,657 km (0.068 R)
• M21: 92,584,776 km (0.095 R)

Kuiper Belt

Range: 30.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 20,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit