🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.47 AU - 0.55 AU

Year: 136 Days

Day: 27.7 Hours

Environment

Temp: 151 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.56 AU - 0.58 AU

Year: 161 Days

Day: 29.1 Hours

Environment

Temp: 181 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.6 AU - 0.8 AU

Year: 219 Days

Day: 35.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.74 AU - 0.88 AU

Year: 273 Days

Day: 17.7 Hours

Environment

Temp: 140 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.33 AU - 1.51 AU

Year: 634 Days

Day: 28.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.27 AU - 2.95 AU

Year: 1580 Days

Day: 39.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,369,993 km

• M1: 44,580 km (0.097 R)
• M2: 109,954 km (0.063 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.18 AU - 3.36 AU

Year: 2216 Days

Day: 42.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.92 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 14

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.45 AU - 4.69 AU

Year: 3661 Days

Day: 9.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,369,993 km

• M1: 174,132 km (0.106 R)
• M2: 614,548 km (0.067 R)
• M3: 1,116,299 km (0.055 R)
• M4: 1,726,060 km (0.096 R)
• M5: 2,412,714 km (0.096 R)
• M6: 3,432,822 km (0.104 R)
• M7: 4,064,574 km (0.091 R)
• M8: 5,290,529 km (0.075 R)
• M9: 6,781,870 km (0.071 R)
• M10: 7,816,489 km (0.106 R)
• M11: 8,838,990 km (0.095 R)
• M12: 9,462,365 km (0.091 R)
• M13: 9,907,867 km (0.061 R)
• M14: 12,018,394 km (0.107 R)
• M15: 15,334,231 km (0.113 R)
• M16: 21,558,998 km (0.034 R)
• M17: 24,689,333 km (0.104 R)
• M18: 27,125,984 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 11,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit