🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.03 AU - 1.35 AU

Year: 481 Days

Day: 43.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 30,459,642 km

• M1: 687,253 km (0.078 R)
• M2: 1,010,085 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.93 AU - 2.19 AU

Year: 1096 Days

Day: 18.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.05 AU - 2.85 AU

Year: 1422 Days

Day: 28.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,459,642 km

• M1: 28,274 km (0.086 R)
• M2: 106,813 km (0.027 R)

Asteroid Belt

Center: 4.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 13.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.2 AU - 5.98 AU

Year: 4901 Days

Day: 10.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,459,642 km

• M1: 166,802 km (0.103 R)
• M2: 744,100 km (0.082 R)
• M3: 1,422,975 km (0.099 R)
• M4: 2,198,939 km (0.079 R)
• M5: 3,223,984 km (0.11 R)
• M6: 4,641,124 km (0.116 R)
• M7: 5,832,223 km (0.052 R)
• M8: 6,836,922 km (0.117 R)
• M9: 8,092,796 km (0.073 R)
• M10: 9,037,207 km (0.096 R)
• M11: 9,693,493 km (0.063 R)
• M12: 10,422,932 km (0.103 R)
• M13: 11,015,340 km (0.084 R)
• M14: 12,037,243 km (0.078 R)
• M15: 12,642,366 km (0.096 R)
• M16: 14,947,969 km (0.109 R)
• M17: 15,429,973 km (0.088 R)
• M18: 18,604,590 km (0.069 R)
• M19: 19,037,675 km (0.07 R)
• M20: 21,170,791 km (0.036 R)
• M21: 22,053,419 km (0.08 R)
• M22: 23,964,831 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 8.9

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.42 AU - 6.38 AU

Year: 5315 Days

Day: 10 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,459,642 km

• M1: 113,994 km (0.117 R)
• M2: 509,530 km (0.069 R)
• M3: 889,808 km (0.076 R)
• M4: 1,324,689 km (0.106 R)
• M5: 2,876,169 km (0.117 R)
• M6: 3,221,590 km (0.097 R)
• M7: 4,552,712 km (0.09 R)
• M8: 5,731,094 km (0.115 R)
• M9: 6,633,319 km (0.084 R)
• M10: 7,067,303 km (0.08 R)
• M11: 8,216,513 km (0.086 R)
• M12: 9,653,401 km (0.066 R)
• M13: 15,130,777 km (0.107 R)
• M14: 17,338,692 km (0.048 R)
• M15: 22,457,034 km (0.108 R)
• M16: 24,364,856 km (0.059 R)
• M17: 25,641,225 km (0.094 R)
• M18: 29,558,295 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 16,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit