🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.68 AU - 0.74 AU

Year: 227 Days

Day: 36.4 Hours

Environment

Temp: 146 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 89,961,606 km

• M1: 42,935 km (0.069 R)
• M2: 331,060 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.9 AU

Year: 231 Days

Day: 20.5 Hours

Environment

Temp: 183 °C

Axial Tilt: 12.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.08 AU - 2.16 AU

Year: 1169 Days

Day: 35.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.45 AU - 3.23 AU

Year: 1813 Days

Day: 32.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.9

Radius: 4.8

Gravity: 38.41 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 12.16 AU - 18.4 AU

Year: 22622 Days

Day: 21.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,961,606 km

• M1: 59,839 km (0.111 R)
• M2: 239,506 km (0.085 R)
• M3: 676,332 km (0.078 R)
• M4: 1,111,213 km (0.11 R)
• M5: 1,271,731 km (0.045 R)
• M6: 2,252,346 km (0.098 R)
• M7: 2,511,449 km (0.09 R)
• M8: 3,409,485 km (0.087 R)
• M9: 3,848,555 km (0.048 R)
• M10: 5,311,024 km (0.072 R)
• M11: 6,031,936 km (0.093 R)
• M12: 8,035,500 km (0.037 R)
• M13: 8,640,324 km (0.111 R)
• M14: 9,393,549 km (0.069 R)
• M15: 10,002,114 km (0.079 R)
• M16: 12,411,088 km (0.065 R)
• M17: 13,981,417 km (0.059 R)
• M18: 14,373,812 km (0.095 R)
• M19: 14,693,204 km (0.117 R)
• M20: 19,381,601 km (0.083 R)
• M21: 21,903,223 km (0.091 R)
• M22: 26,497,972 km (0.107 R)
• M23: 27,831,786 km (0.109 R)
• M24: 29,082,574 km (0.056 R)
• M25: 33,895,886 km (0.082 R)
• M26: 36,638,015 km (0.107 R)
• M27: 45,061,571 km (0.086 R)
• M28: 46,262,244 km (0.106 R)
• M29: 48,548,548 km (0.117 R)
• M30: 51,093,806 km (0.115 R)
• M31: 51,464,510 km (0.03 R)
• M32: 56,250,744 km (0.12 R)
• M33: 60,286,895 km (0.086 R)
• M34: 62,587,112 km (0.095 R)
• M35: 64,728,156 km (0.068 R)
• M36: 82,619,314 km (0.097 R)
• M37: 85,714,942 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 11,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit