🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.43 AU - 0.57 AU

Year: 135 Days

Day: 28.3 Hours

Environment

Temp: 145 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.54 AU - 0.74 AU

Year: 195 Days

Day: 29.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.32 AU - 2.74 AU

Year: 1532 Days

Day: 33.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 13.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.87 AU - 9.97 AU

Year: 10145 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,614,502 km

• M1: 166,652 km (0.105 R)
• M2: 628,012 km (0.12 R)
• M3: 1,244,804 km (0.11 R)
• M4: 2,308,594 km (0.083 R)
• M5: 2,798,079 km (0.067 R)
• M6: 3,381,061 km (0.108 R)
• M7: 4,293,309 km (0.112 R)
• M8: 4,732,080 km (0.116 R)
• M9: 7,152,125 km (0.082 R)
• M10: 11,150,277 km (0.107 R)
• M11: 11,871,189 km (0.117 R)
• M12: 12,330,156 km (0.028 R)
• M13: 15,003,769 km (0.107 R)
• M14: 16,160,310 km (0.061 R)
• M15: 19,667,034 km (0.031 R)
• M16: 21,725,351 km (0.089 R)
• M17: 22,500,268 km (0.1 R)
• M18: 24,197,007 km (0.073 R)
• M19: 25,217,414 km (0.118 R)
• M20: 26,850,723 km (0.107 R)
• M21: 27,344,247 km (0.057 R)
• M22: 28,451,271 km (0.088 R)
• M23: 31,186,668 km (0.1 R)
• M24: 32,618,170 km (0.117 R)
• M25: 39,162,030 km (0.113 R)
• M26: 41,349,450 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.8

Radius: 4.4

Gravity: 29.33 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.67 AU - 20.89 AU

Year: 28549 Days

Day: 23.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 90,614,502 km

• M1: 54,753 km (0.108 R)
• M2: 192,383 km (0.085 R)
• M3: 507,586 km (0.094 R)
• M4: 1,019,061 km (0.07 R)
• M5: 1,628,074 km (0.115 R)
• M6: 2,195,498 km (0.106 R)
• M7: 3,163,397 km (0.074 R)
• M8: 3,551,603 km (0.072 R)
• M9: 3,871,294 km (0.054 R)
• M10: 11,579,623 km (0.064 R)
• M11: 11,717,702 km (0.047 R)
• M12: 13,384,970 km (0.094 R)
• M13: 14,473,594 km (0.025 R)
• M14: 21,533,417 km (0.063 R)
• M15: 25,619,832 km (0.105 R)
• M16: 27,659,300 km (0.101 R)
• M17: 33,156,722 km (0.049 R)
• M18: 35,428,965 km (0.095 R)
• M19: 37,199,904 km (0.076 R)
• M20: 38,874,203 km (0.11 R)
• M21: 46,247,733 km (0.101 R)
• M22: 46,595,398 km (0.114 R)
• M23: 50,169,441 km (0.117 R)
• M24: 56,260,618 km (0.078 R)
• M25: 64,544,301 km (0.085 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 19,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit