🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.55 AU - 0.69 AU

Year: 176 Days

Day: 28.1 Hours

Environment

Temp: 187 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.59 AU - 0.93 AU

Year: 238 Days

Day: 19.3 Hours

Environment

Temp: 114 °C

Axial Tilt: 25.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.13 AU - 1.63 AU

Year: 583 Days

Day: 32.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 108.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 76,438,950 km

• M1: 116,238 km (0.098 R)
• M2: 1,117,047 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.36 AU - 2.14 AU

Year: 833 Days

Day: 23.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.49 AU - 4.51 AU

Year: 3436 Days

Day: 20.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.3

Radius: 6.9

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 13.59 AU - 14.45 AU

Year: 18893 Days

Day: 16.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,438,950 km

• M1: 85,869 km (0.092 R)
• M2: 309,069 km (0.113 R)
• M3: 834,158 km (0.036 R)
• M4: 1,102,237 km (0.042 R)
• M5: 1,351,916 km (0.106 R)
• M6: 2,427,076 km (0.11 R)
• M7: 3,248,518 km (0.117 R)
• M8: 4,341,929 km (0.08 R)
• M9: 5,046,086 km (0.077 R)
• M10: 6,768,855 km (0.103 R)
• M11: 7,230,663 km (0.116 R)
• M12: 10,454,348 km (0.036 R)
• M13: 11,071,290 km (0.042 R)
• M14: 12,789,122 km (0.078 R)
• M15: 14,677,197 km (0.088 R)
• M16: 15,293,540 km (0.112 R)
• M17: 16,413,729 km (0.057 R)
• M18: 16,826,768 km (0.101 R)
• M19: 17,331,362 km (0.08 R)
• M20: 20,861,273 km (0.098 R)
• M21: 26,726,408 km (0.072 R)
• M22: 26,954,096 km (0.096 R)
• M23: 29,302,932 km (0.103 R)
• M24: 29,910,748 km (0.1 R)
• M25: 40,512,899 km (0.06 R)
• M26: 42,338,741 km (0.12 R)
• M27: 48,312,632 km (0.078 R)
• M28: 54,641,370 km (0.108 R)
• M29: 55,561,846 km (0.045 R)
• M30: 58,768,925 km (0.069 R)
• M31: 63,503,548 km (0.108 R)
• M32: 64,112,711 km (0.057 R)
• M33: 66,797,244 km (0.104 R)
• M34: 70,419,757 km (0.06 R)
• M35: 74,395,919 km (0.089 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit