🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.06 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.73 AU - 2.49 AU

Year: 1098 Days

Day: 43.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.04 AU - 2.32 AU

Year: 1153 Days

Day: 41 Hours

Environment

Temp: -74 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.2

Radius: 13.3

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.45 AU - 7.65 AU

Year: 7430 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 101,536,289 km

• M1: 165,455 km (0.065 R)
• M2: 589,266 km (0.07 R)
• M3: 1,036,863 km (0.116 R)
• M4: 1,497,923 km (0.082 R)
• M5: 1,985,613 km (0.119 R)
• M6: 2,715,800 km (0.064 R)
• M7: 3,251,510 km (0.112 R)
• M8: 4,223,297 km (0.119 R)
• M9: 5,635,202 km (0.081 R)
• M10: 7,204,633 km (0.07 R)
• M11: 7,621,264 km (0.113 R)
• M12: 9,784,000 km (0.052 R)
• M13: 10,781,219 km (0.073 R)
• M14: 12,977,914 km (0.105 R)
• M15: 14,235,584 km (0.093 R)
• M16: 16,095,534 km (0.084 R)
• M17: 17,360,534 km (0.117 R)
• M18: 23,693,460 km (0.112 R)
• M19: 25,971,387 km (0.117 R)
• M20: 28,134,572 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.9

Radius: 4.5

Gravity: 32.29 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 15.8 AU - 23.8 AU

Year: 31555 Days

Day: 19.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 101,536,289 km

• M1: 60,288 km (0.077 R)
• M2: 249,380 km (0.089 R)
• M3: 520,152 km (0.042 R)
• M4: 2,795,984 km (0.03 R)
• M5: 3,837,036 km (0.03 R)
• M6: 4,115,288 km (0.089 R)
• M7: 4,909,952 km (0.074 R)
• M8: 5,802,153 km (0.113 R)
• M9: 8,068,262 km (0.104 R)
• M10: 10,659,297 km (0.105 R)
• M11: 11,278,931 km (0.116 R)
• M12: 12,068,210 km (0.04 R)
• M13: 12,665,105 km (0.109 R)
• M14: 12,817,246 km (0.113 R)
• M15: 13,836,606 km (0.057 R)
• M16: 14,079,404 km (0.09 R)
• M17: 16,664,904 km (0.114 R)
• M18: 17,498,313 km (0.117 R)
• M19: 17,687,255 km (0.117 R)
• M20: 20,372,537 km (0.081 R)
• M21: 23,317,371 km (0.104 R)
• M22: 24,950,531 km (0.084 R)
• M23: 26,162,723 km (0.103 R)
• M24: 29,363,968 km (0.099 R)
• M25: 34,270,479 km (0.111 R)
• M26: 36,530,603 km (0.1 R)
• M27: 37,305,520 km (0.099 R)
• M28: 46,024,982 km (0.106 R)
• M29: 50,470,731 km (0.117 R)
• M30: 54,387,203 km (0.113 R)
• M31: 62,157,915 km (0.098 R)
• M32: 62,597,733 km (0.103 R)
• M33: 62,818,539 km (0.087 R)
• M34: 70,397,467 km (0.083 R)
• M35: 70,875,432 km (0.108 R)
• M36: 74,529,360 km (0.061 R)
• M37: 76,528,586 km (0.117 R)
• M38: 78,307,005 km (0.078 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit