🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.5 AU - 0.6 AU

Year: 143 Days

Day: 47.5 Hours

Environment

Temp: 210 °C

Axial Tilt: 49.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.6 AU - 0.88 AU

Year: 224 Days

Day: 33.2 Hours

Environment

Temp: 188 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,860,022 km

• M1: 39,344 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.16 AU - 1.18 AU

Year: 445 Days

Day: 45.6 Hours

Environment

Temp: 34 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 27,860,022 km

• M1: 81,232 km (0.108 R)
• M2: 131,497 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.21 AU - 1.43 AU

Year: 533 Days

Day: 24.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.1 AU - 1.7 AU

Year: 582 Days

Day: 29 Hours

Environment

Temp: -11 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.19 AU - 6.59 AU

Year: 4398 Days

Day: 46 Hours

Environment

Temp: -129 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.2

Radius: 11.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.08 AU - 6.54 AU

Year: 4922 Days

Day: 12.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,860,022 km

• M1: 140,472 km (0.099 R)
• M2: 650,601 km (0.112 R)
• M3: 1,210,845 km (0.04 R)
• M4: 1,888,075 km (0.057 R)
• M5: 2,856,272 km (0.063 R)
• M6: 3,322,419 km (0.086 R)
• M7: 3,731,719 km (0.103 R)
• M8: 4,727,293 km (0.1 R)
• M9: 5,493,234 km (0.1 R)
• M10: 6,875,518 km (0.097 R)
• M11: 8,403,062 km (0.07 R)
• M12: 9,729,995 km (0.098 R)
• M13: 10,835,523 km (0.077 R)
• M14: 11,418,805 km (0.078 R)
• M15: 11,834,688 km (0.064 R)
• M16: 12,501,894 km (0.054 R)
• M17: 14,817,370 km (0.114 R)
• M18: 16,924,606 km (0.116 R)
• M19: 17,587,773 km (0.092 R)
• M20: 18,393,956 km (0.059 R)
• M21: 19,095,121 km (0.105 R)
• M22: 19,813,939 km (0.067 R)
• M23: 20,686,693 km (0.116 R)
• M24: 21,098,087 km (0.081 R)
• M25: 27,282,014 km (0.102 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit