🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.19 AU - 1.67 AU

Year: 655 Days

Day: 19.7 Hours

Environment

Temp: -48 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.25 AU - 1.81 AU

Year: 725 Days

Day: 45 Hours

Environment

Temp: -55 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.37 AU - 1.77 AU

Year: 753 Days

Day: 35.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,498,675 km

• M1: 90,208 km (0.033 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.51 AU - 1.65 AU

Year: 760 Days

Day: 27.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 131.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.36 AU - 2.6 AU

Year: 1495 Days

Day: 21.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 14.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.09 AU - 6.99 AU

Year: 5684 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,498,675 km

• M1: 180,415 km (0.074 R)
• M2: 1,685,519 km (0.105 R)
• M3: 2,211,805 km (0.093 R)
• M4: 2,884,247 km (0.047 R)
• M5: 3,440,153 km (0.106 R)
• M6: 4,090,305 km (0.048 R)
• M7: 4,543,736 km (0.06 R)
• M8: 6,772,445 km (0.104 R)
• M9: 7,307,706 km (0.069 R)
• M10: 8,425,502 km (0.071 R)
• M11: 10,552,634 km (0.118 R)
• M12: 12,565,623 km (0.115 R)
• M13: 16,791,613 km (0.113 R)
• M14: 17,526,139 km (0.069 R)
• M15: 20,959,709 km (0.097 R)
• M16: 23,584,703 km (0.057 R)
• M17: 24,042,622 km (0.062 R)
• M18: 26,915,948 km (0.115 R)
• M19: 28,007,564 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.9

Radius: 3.4

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 17.31 AU - 20.07 AU

Year: 30937 Days

Day: 16.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,498,675 km

• M1: 53,406 km (0.108 R)
• M2: 187,745 km (0.082 R)
• M3: 406,757 km (0.098 R)
• M4: 777,909 km (0.097 R)
• M5: 1,547,440 km (0.12 R)
• M6: 3,307,609 km (0.102 R)
• M7: 5,122,231 km (0.113 R)
• M8: 5,333,912 km (0.116 R)
• M9: 6,003,961 km (0.084 R)
• M10: 6,939,396 km (0.115 R)
• M11: 7,782,231 km (0.112 R)
• M12: 9,404,171 km (0.063 R)
• M13: 9,721,468 km (0.101 R)
• M14: 10,602,599 km (0.059 R)
• M15: 11,837,979 km (0.056 R)
• M16: 12,521,940 km (0.093 R)
• M17: 13,297,755 km (0.092 R)
• M18: 14,944,229 km (0.111 R)
• M19: 16,340,426 km (0.057 R)
• M20: 18,635,407 km (0.093 R)
• M21: 22,140,634 km (0.066 R)
• M22: 22,985,713 km (0.117 R)
• M23: 24,342,566 km (0.092 R)
• M24: 24,640,116 km (0.077 R)
• M25: 24,839,829 km (0.038 R)
• M26: 27,858,265 km (0.092 R)
• M27: 29,623,819 km (0.03 R)
• M28: 33,011,463 km (0.111 R)
• M29: 33,498,105 km (0.096 R)
• M30: 33,989,534 km (0.101 R)
• M31: 36,003,121 km (0.114 R)
• M32: 37,432,828 km (0.081 R)
• M33: 48,357,811 km (0.101 R)
• M34: 49,777,195 km (0.112 R)
• M35: 57,467,573 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 19,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit