🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.56 AU - 0.68 AU

Year: 219 Days

Day: 46.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 102.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 13,933,548 km

• M1: 169,345 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.51 AU - 0.77 AU

Year: 230 Days

Day: 47.6 Hours

Environment

Temp: -6 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.78 AU

Year: 280 Days

Day: 36 Hours

Environment

Temp: -45 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 13,933,548 km

• M1: 100,231 km (0.05 R)
• M2: 460,313 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.84 AU - 0.84 AU

Year: 346 Days

Day: 18.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.73 AU - 1.17 AU

Year: 416 Days

Day: 17.3 Hours

Environment

Temp: -73 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.8 AU - 1.2 AU

Year: 450 Days

Day: 21.5 Hours

Environment

Temp: -74 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.83 AU - 1.33 AU

Year: 505 Days

Day: 22.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,933,548 km

• M1: 447,746 km (0.053 R)

Planet 8 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.48 AU - 1.58 AU

Year: 851 Days

Day: 25.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.51 AU - 1.69 AU

Year: 910 Days

Day: 26.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,933,548 km

• M1: 1,709,604 km (0.07 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.7

Radius: 9.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.61 AU - 3.83 AU

Year: 3226 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 13,933,548 km

• M1: 126,709 km (0.099 R)
• M2: 208,390 km (0.117 R)
• M3: 290,369 km (0.095 R)
• M4: 356,043 km (0.084 R)
• M5: 501,003 km (0.102 R)
• M6: 618,886 km (0.055 R)
• M7: 681,717 km (0.111 R)
• M8: 829,969 km (0.07 R)
• M9: 1,072,916 km (0.029 R)
• M10: 1,167,911 km (0.033 R)
• M11: 1,311,225 km (0.085 R)
• M12: 1,837,959 km (0.088 R)
• M13: 1,900,342 km (0.087 R)
• M14: 2,059,663 km (0.115 R)
• M15: 2,146,281 km (0.067 R)
• M16: 2,346,143 km (0.078 R)
• M17: 2,884,247 km (0.034 R)
• M18: 2,957,251 km (0.047 R)
• M19: 3,055,686 km (0.111 R)
• M20: 3,142,602 km (0.108 R)
• M21: 3,408,438 km (0.086 R)
• M22: 3,498,795 km (0.12 R)
• M23: 3,881,317 km (0.111 R)
• M24: 3,948,636 km (0.12 R)
• M25: 4,305,128 km (0.101 R)
• M26: 4,873,749 km (0.075 R)
• M27: 5,005,096 km (0.113 R)
• M28: 5,078,399 km (0.103 R)
• M29: 5,152,300 km (0.105 R)
• M30: 5,286,041 km (0.083 R)
• M31: 5,375,799 km (0.104 R)
• M32: 5,633,108 km (0.091 R)
• M33: 5,724,811 km (0.073 R)
• M34: 5,786,296 km (0.086 R)
• M35: 6,191,108 km (0.084 R)
• M36: 6,285,953 km (0.096 R)
• M37: 6,766,910 km (0.108 R)
• M38: 6,848,291 km (0.102 R)
• M39: 6,979,040 km (0.063 R)
• M40: 7,193,414 km (0.09 R)
• M41: 7,578,030 km (0.088 R)
• M42: 7,730,470 km (0.103 R)
• M43: 8,176,272 km (0.026 R)
• M44: 8,384,811 km (0.111 R)
• M45: 8,559,990 km (0.113 R)
• M46: 9,039,003 km (0.115 R)
• M47: 9,327,128 km (0.099 R)
• M48: 9,672,998 km (0.098 R)
• M49: 9,912,205 km (0.103 R)
• M50: 10,116,107 km (0.065 R)
• M51: 10,377,604 km (0.066 R)
• M52: 11,777,242 km (0.112 R)
• M53: 12,689,191 km (0.085 R)
• M54: 13,072,610 km (0.084 R)
• M55: 13,194,532 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 19,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit