🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.5 AU - 0.82 AU

Year: 202 Days

Day: 22.5 Hours

Environment

Temp: 114 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.76 AU - 0.98 AU

Year: 306 Days

Day: 35.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 42.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,153,901 km

• M1: 36,651 km (0.068 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.8 AU - 1.26 AU

Year: 394 Days

Day: 34.6 Hours

Environment

Temp: 3 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 57,153,901 km

• M1: 40,691 km (0.064 R)
• M2: 509,979 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.99 AU - 1.37 AU

Year: 483 Days

Day: 21.1 Hours

Environment

Temp: -10 °C

Axial Tilt: 16 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.23 AU - 1.43 AU

Year: 578 Days

Day: 13.8 Hours

Environment

Temp: -25 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,153,901 km

• M1: 47,572 km (0.073 R)
• M2: 342,280 km (0.098 R)

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 11.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.64 AU - 5.8 AU

Year: 4493 Days

Day: 5.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,153,901 km

• M1: 140,622 km (0.045 R)
• M2: 869,164 km (0.108 R)
• M3: 1,432,549 km (0.084 R)
• M4: 1,840,353 km (0.046 R)
• M5: 2,599,861 km (0.1 R)
• M6: 2,961,140 km (0.108 R)
• M7: 3,884,758 km (0.053 R)
• M8: 6,351,327 km (0.12 R)
• M9: 7,013,148 km (0.051 R)
• M10: 8,009,769 km (0.07 R)
• M11: 10,713,302 km (0.105 R)
• M12: 12,249,223 km (0.068 R)
• M13: 14,212,994 km (0.107 R)
• M14: 15,959,699 km (0.119 R)
• M15: 16,696,918 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.1

Radius: 7.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 14.48 AU - 17.24 AU

Year: 23795 Days

Day: 21.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,153,901 km

• M1: 189,541 km (0.081 R)
• M2: 1,218,774 km (0.107 R)
• M3: 2,260,125 km (0.112 R)
• M4: 7,185,335 km (0.118 R)
• M5: 14,774,435 km (0.1 R)
• M6: 15,765,372 km (0.073 R)
• M7: 17,800,202 km (0.099 R)
• M8: 22,110,416 km (0.077 R)
• M9: 25,142,914 km (0.099 R)
• M10: 29,749,930 km (0.079 R)
• M11: 37,152,781 km (0.116 R)
• M12: 39,511,939 km (0.07 R)
• M13: 41,552,604 km (0.051 R)
• M14: 55,964,115 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 14,666 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit