🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.56 AU - 0.58 AU

Year: 163 Days

Day: 16.5 Hours

Environment

Temp: 207 °C

Axial Tilt: 2.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.65 AU - 0.81 AU

Year: 236 Days

Day: 32.4 Hours

Environment

Temp: 181 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.82 AU - 1.08 AU

Year: 351 Days

Day: 27.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.97 AU - 1.21 AU

Year: 431 Days

Day: 13.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.99 AU - 1.49 AU

Year: 523 Days

Day: 16.6 Hours

Environment

Temp: -22 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.05 AU - 2.33 AU

Year: 1227 Days

Day: 20.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.47 AU - 2.47 AU

Year: 1470 Days

Day: 44.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.68 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.6

Radius: 3.4

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 14.74 AU - 15.04 AU

Year: 21762 Days

Day: 20.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,970,656 km

• M1: 62,382 km (0.062 R)
• M2: 264,040 km (0.081 R)
• M3: 709,543 km (0.036 R)
• M4: 1,561,353 km (0.096 R)
• M5: 1,707,809 km (0.095 R)
• M6: 1,911,861 km (0.045 R)
• M7: 2,642,946 km (0.102 R)
• M8: 4,719,962 km (0.079 R)
• M9: 4,902,621 km (0.086 R)
• M10: 6,279,221 km (0.083 R)
• M11: 6,612,525 km (0.118 R)
• M12: 7,194,311 km (0.033 R)
• M13: 7,725,384 km (0.096 R)
• M14: 13,427,456 km (0.106 R)
• M15: 15,728,271 km (0.109 R)
• M16: 16,971,579 km (0.092 R)
• M17: 29,664,809 km (0.102 R)
• M18: 32,093,979 km (0.076 R)
• M19: 33,859,982 km (0.105 R)
• M20: 38,311,566 km (0.084 R)
• M21: 38,924,768 km (0.103 R)
• M22: 41,701,154 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 15,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit