🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.44 AU - 0.64 AU

Year: 260 Days

Day: 21.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.47 AU - 0.63 AU

Year: 268 Days

Day: 20.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.62 AU

Year: 297 Days

Day: 13.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,937,817 km

• M1: 78,389 km (0.055 R)
• M2: 638,633 km (0.053 R)

Asteroid Belt

Center: 4.56 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.3

Radius: 3.7

Gravity: 60.72 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.17 AU - 9.89 AU

Year: 16343 Days

Day: 17.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,937,817 km

• M1: 46,076 km (0.091 R)
• M2: 220,507 km (0.105 R)
• M3: 621,729 km (0.09 R)
• M4: 931,247 km (0.102 R)
• M5: 1,180,477 km (0.028 R)
• M6: 2,097,213 km (0.036 R)
• M7: 3,550,257 km (0.114 R)
• M8: 4,651,447 km (0.109 R)
• M9: 5,962,223 km (0.065 R)
• M10: 8,284,580 km (0.063 R)
• M11: 10,962,682 km (0.108 R)
• M12: 11,085,352 km (0.052 R)
• M13: 11,776,494 km (0.081 R)
• M14: 15,435,359 km (0.113 R)
• M15: 17,353,652 km (0.12 R)
• M16: 20,334,689 km (0.078 R)
• M17: 21,177,224 km (0.111 R)
• M18: 21,367,662 km (0.119 R)
• M19: 24,257,893 km (0.096 R)
• M20: 36,071,039 km (0.087 R)
• M21: 36,752,457 km (0.057 R)
• M22: 39,708,361 km (0.098 R)
• M23: 40,143,093 km (0.038 R)
• M24: 40,434,659 km (0.082 R)
• M25: 40,727,721 km (0.09 R)
• M26: 43,429,010 km (0.026 R)
• M27: 49,018,585 km (0.096 R)
• M28: 56,518,225 km (0.095 R)
• M29: 57,437,055 km (0.119 R)
• M30: 67,178,121 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 13,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit