🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.31 AU - 1.91 AU

Year: 715 Days

Day: 46.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,786,303 km

• M1: 54,753 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.42 AU - 2.54 AU

Year: 1366 Days

Day: 40.7 Hours

Environment

Temp: -74 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 13.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.3 AU - 7.9 AU

Year: 7330 Days

Day: 9.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,786,303 km

• M1: 166,353 km (0.091 R)
• M2: 582,684 km (0.11 R)
• M3: 1,169,257 km (0.047 R)
• M4: 2,096,913 km (0.114 R)
• M5: 2,658,653 km (0.059 R)
• M6: 3,622,961 km (0.107 R)
• M7: 4,674,036 km (0.109 R)
• M8: 5,402,578 km (0.068 R)
• M9: 5,856,457 km (0.092 R)
• M10: 9,224,504 km (0.072 R)
• M11: 10,557,122 km (0.082 R)
• M12: 11,514,399 km (0.061 R)
• M13: 12,844,473 km (0.073 R)
• M14: 14,217,632 km (0.07 R)
• M15: 15,265,416 km (0.065 R)
• M16: 16,053,796 km (0.096 R)
• M17: 16,741,797 km (0.037 R)
• M18: 17,449,395 km (0.048 R)
• M19: 20,048,359 km (0.098 R)
• M20: 22,506,401 km (0.11 R)
• M21: 23,848,145 km (0.033 R)
• M22: 24,334,338 km (0.038 R)
• M23: 25,159,071 km (0.087 R)
• M24: 27,924,387 km (0.049 R)
• M25: 28,737,302 km (0.083 R)
• M26: 31,658,350 km (0.11 R)
• M27: 34,359,340 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.3

Radius: 4.6

Gravity: 34.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 17.45 AU - 18.41 AU

Year: 26561 Days

Day: 16.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 93,786,303 km

• M1: 57,595 km (0.093 R)
• M2: 215,122 km (0.033 R)
• M3: 373,546 km (0.103 R)
• M4: 2,613,325 km (0.114 R)
• M5: 2,795,835 km (0.086 R)
• M6: 3,128,540 km (0.027 R)
• M7: 4,180,064 km (0.116 R)
• M8: 5,241,012 km (0.073 R)
• M9: 6,756,289 km (0.084 R)
• M10: 7,252,355 km (0.107 R)
• M11: 7,457,454 km (0.042 R)
• M12: 8,484,892 km (0.109 R)
• M13: 9,299,901 km (0.118 R)
• M14: 9,664,770 km (0.067 R)
• M15: 10,229,802 km (0.058 R)
• M16: 13,388,860 km (0.103 R)
• M17: 16,605,812 km (0.105 R)
• M18: 17,506,691 km (0.099 R)
• M19: 24,056,385 km (0.098 R)
• M20: 25,560,741 km (0.087 R)
• M21: 27,995,746 km (0.102 R)
• M22: 30,448,253 km (0.061 R)
• M23: 30,714,388 km (0.111 R)
• M24: 40,716,651 km (0.113 R)
• M25: 44,365,642 km (0.093 R)
• M26: 46,445,053 km (0.109 R)
• M27: 46,621,129 km (0.099 R)
• M28: 48,226,763 km (0.094 R)
• M29: 51,925,720 km (0.108 R)
• M30: 57,011,300 km (0.116 R)
• M31: 58,640,421 km (0.053 R)
• M32: 59,882,382 km (0.113 R)
• M33: 70,456,109 km (0.05 R)
• M34: 72,805,245 km (0.059 R)
• M35: 73,520,023 km (0.047 R)
• M36: 76,180,771 km (0.096 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 18,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit