🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.8 AU - 0.94 AU

Year: 288 Days

Day: 21.5 Hours

Environment

Temp: 181 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.69 AU - 2.45 AU

Year: 1057 Days

Day: 44 Hours

Environment

Temp: -60 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.53 AU - 5.71 AU

Year: 3523 Days

Day: 34.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 9.3

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.69 AU - 9.45 AU

Year: 8133 Days

Day: 10.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,257,929 km

• M1: 119,379 km (0.085 R)
• M2: 485,595 km (0.068 R)
• M3: 830,867 km (0.07 R)
• M4: 1,219,671 km (0.114 R)
• M5: 2,797,779 km (0.086 R)
• M6: 3,331,395 km (0.036 R)
• M7: 3,886,553 km (0.084 R)
• M8: 4,965,153 km (0.081 R)
• M9: 5,748,597 km (0.119 R)
• M10: 7,211,665 km (0.1 R)
• M11: 7,883,060 km (0.086 R)
• M12: 8,366,111 km (0.045 R)
• M13: 9,514,724 km (0.081 R)
• M14: 11,642,305 km (0.047 R)
• M15: 12,269,120 km (0.093 R)
• M16: 16,814,053 km (0.108 R)
• M17: 17,490,085 km (0.099 R)
• M18: 19,359,311 km (0.076 R)
• M19: 19,694,560 km (0.117 R)
• M20: 21,074,600 km (0.085 R)
• M21: 22,297,263 km (0.045 R)
• M22: 24,647,596 km (0.114 R)
• M23: 26,825,142 km (0.1 R)
• M24: 27,663,339 km (0.067 R)
• M25: 29,128,052 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 6

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 16.2 AU - 19.44 AU

Year: 26687 Days

Day: 20.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,257,929 km

• M1: 109,356 km (0.118 R)
• M2: 800,498 km (0.058 R)
• M3: 1,063,342 km (0.094 R)
• M4: 1,413,550 km (0.097 R)
• M5: 1,913,506 km (0.11 R)
• M6: 2,111,125 km (0.092 R)
• M7: 2,366,190 km (0.116 R)
• M8: 2,812,440 km (0.046 R)
• M9: 3,175,813 km (0.119 R)
• M10: 4,558,995 km (0.081 R)
• M11: 5,759,368 km (0.055 R)
• M12: 10,724,971 km (0.114 R)
• M13: 19,673,466 km (0.11 R)
• M14: 20,708,085 km (0.06 R)
• M15: 30,078,148 km (0.056 R)
• M16: 37,068,258 km (0.106 R)
• M17: 44,746,668 km (0.115 R)
• M18: 49,210,818 km (0.114 R)
• M19: 60,174,846 km (0.092 R)
• M20: 61,551,146 km (0.072 R)
• M21: 61,948,179 km (0.107 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 12,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit