🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.83 AU - 1.29 AU

Year: 403 Days

Day: 45.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.19 AU - 1.23 AU

Year: 491 Days

Day: 38.9 Hours

Environment

Temp: -13 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 83,628,608 km

• M1: 47,572 km (0.088 R)
• M2: 132,993 km (0.038 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.32 AU - 2.1 AU

Year: 825 Days

Day: 18.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,628,608 km

• M1: 1,197,830 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.3

Radius: 4.7

Gravity: 44.47 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 13.5 AU - 14.42 AU

Year: 19244 Days

Day: 18 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,628,608 km

• M1: 59,540 km (0.086 R)
• M2: 334,950 km (0.038 R)
• M3: 778,358 km (0.109 R)
• M4: 1,156,990 km (0.114 R)
• M5: 1,493,585 km (0.08 R)
• M6: 2,054,727 km (0.037 R)
• M7: 3,828,958 km (0.115 R)
• M8: 4,536,406 km (0.081 R)
• M9: 6,338,911 km (0.058 R)
• M10: 6,842,906 km (0.068 R)
• M11: 9,014,768 km (0.104 R)
• M12: 9,770,536 km (0.098 R)
• M13: 11,014,143 km (0.106 R)
• M14: 11,809,106 km (0.118 R)
• M15: 12,220,500 km (0.063 R)
• M16: 15,863,209 km (0.103 R)
• M17: 18,841,253 km (0.108 R)
• M18: 19,592,534 km (0.113 R)
• M19: 23,328,142 km (0.062 R)
• M20: 25,305,976 km (0.026 R)
• M21: 30,862,490 km (0.027 R)
• M22: 31,120,995 km (0.031 R)
• M23: 34,060,593 km (0.094 R)
• M24: 38,808,680 km (0.087 R)
• M25: 41,418,414 km (0.113 R)
• M26: 42,846,326 km (0.031 R)
• M27: 43,491,392 km (0.054 R)
• M28: 43,653,706 km (0.093 R)
• M29: 57,009,205 km (0.057 R)
• M30: 57,593,684 km (0.104 R)
• M31: 60,575,918 km (0.119 R)
• M32: 64,498,972 km (0.096 R)
• M33: 65,558,873 km (0.078 R)
• M34: 65,772,200 km (0.106 R)
• M35: 75,391,044 km (0.1 R)
• M36: 77,040,510 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 12,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit