🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.91 AU - 0.97 AU

Year: 267 Days

Day: 31.2 Hours

Environment

Temp: 239 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.23 AU - 4.07 AU

Year: 2039 Days

Day: 12.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,193,004 km

• M1: 99,333 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.78 AU - 6.76 AU

Year: 4053 Days

Day: 13.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,193,004 km

• M1: 34,108 km (0.119 R)
• M2: 376,538 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.7

Radius: 4.7

Gravity: 35.61 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 16.96 AU - 20.48 AU

Year: 23686 Days

Day: 24.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,193,004 km

• M1: 58,792 km (0.097 R)
• M2: 837,598 km (0.097 R)
• M3: 1,073,814 km (0.108 R)
• M4: 1,306,139 km (0.064 R)
• M5: 3,320,325 km (0.08 R)
• M6: 4,012,664 km (0.045 R)
• M7: 4,286,877 km (0.062 R)
• M8: 4,464,449 km (0.111 R)
• M9: 5,593,614 km (0.11 R)
• M10: 6,023,708 km (0.066 R)
• M11: 7,244,576 km (0.104 R)
• M12: 7,497,097 km (0.116 R)
• M13: 8,344,420 km (0.058 R)
• M14: 9,431,248 km (0.059 R)
• M15: 9,854,610 km (0.074 R)
• M16: 10,803,958 km (0.06 R)
• M17: 11,000,979 km (0.043 R)
• M18: 11,882,260 km (0.101 R)
• M19: 12,162,606 km (0.114 R)
• M20: 13,861,290 km (0.058 R)
• M21: 15,296,382 km (0.086 R)
• M22: 17,003,743 km (0.054 R)
• M23: 17,449,694 km (0.108 R)
• M24: 18,645,430 km (0.066 R)
• M25: 19,894,871 km (0.116 R)
• M26: 26,866,880 km (0.098 R)
• M27: 27,228,608 km (0.091 R)
• M28: 31,691,860 km (0.042 R)
• M29: 34,307,579 km (0.103 R)
• M30: 37,511,816 km (0.104 R)
• M31: 38,724,905 km (0.093 R)
• M32: 39,496,082 km (0.113 R)
• M33: 40,435,108 km (0.098 R)
• M34: 42,683,713 km (0.103 R)
• M35: 61,424,437 km (0.06 R)
• M36: 69,240,327 km (0.039 R)
• M37: 75,279,893 km (0.105 R)

Kuiper Belt

Range: 37.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 19,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit