🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.59 AU - 0.61 AU

Year: 197 Days

Day: 22.7 Hours

Environment

Temp: 43 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.47 AU - 0.73 AU

Year: 197 Days

Day: 35.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.73 AU

Year: 207 Days

Day: 34.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.65 AU - 0.75 AU

Year: 249 Days

Day: 29 Hours

Environment

Temp: 2 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 79,020,355 km

• M1: 67,169 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.75 AU - 2.35 AU

Year: 1246 Days

Day: 12.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 16.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.9

Radius: 3.9

Gravity: 26.62 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 14.32 AU - 17.96 AU

Year: 27531 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,020,355 km

• M1: 48,470 km (0.073 R)
• M2: 251,624 km (0.1 R)
• M3: 416,331 km (0.102 R)
• M4: 1,140,235 km (0.106 R)
• M5: 1,436,439 km (0.081 R)
• M6: 1,934,899 km (0.115 R)
• M7: 2,223,623 km (0.081 R)
• M8: 2,912,371 km (0.102 R)
• M9: 3,405,446 km (0.055 R)
• M10: 5,027,236 km (0.058 R)
• M11: 5,857,654 km (0.066 R)
• M12: 6,153,708 km (0.078 R)
• M13: 6,593,825 km (0.101 R)
• M14: 7,197,004 km (0.098 R)
• M15: 8,836,896 km (0.057 R)
• M16: 11,088,643 km (0.06 R)
• M17: 11,672,972 km (0.106 R)
• M18: 12,973,576 km (0.062 R)
• M19: 15,858,721 km (0.086 R)
• M20: 17,536,461 km (0.082 R)
• M21: 18,150,560 km (0.09 R)
• M22: 18,688,215 km (0.109 R)
• M23: 22,959,683 km (0.065 R)
• M24: 25,654,539 km (0.115 R)
• M25: 28,433,020 km (0.111 R)
• M26: 29,401,966 km (0.061 R)
• M27: 29,770,874 km (0.071 R)
• M28: 31,662,090 km (0.034 R)
• M29: 33,900,673 km (0.098 R)
• M30: 34,442,217 km (0.093 R)
• M31: 41,862,122 km (0.087 R)
• M32: 42,329,017 km (0.075 R)
• M33: 44,392,420 km (0.115 R)
• M34: 45,367,050 km (0.052 R)
• M35: 47,358,796 km (0.06 R)
• M36: 48,718,491 km (0.083 R)
• M37: 56,286,049 km (0.07 R)
• M38: 57,427,331 km (0.114 R)
• M39: 58,972,827 km (0.084 R)
• M40: 63,161,119 km (0.045 R)
• M41: 66,693,573 km (0.068 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 17,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit