🌌 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: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.58 AU - 0.6 AU

Year: 159 Days

Day: 25.2 Hours

Environment

Temp: 244 °C

Axial Tilt: 21.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.7 AU - 0.82 AU

Year: 233 Days

Day: 41.7 Hours

Environment

Temp: 144 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 74,297,254 km

• M1: 109,506 km (0.073 R)
• M2: 421,268 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.07 AU - 1.43 AU

Year: 491 Days

Day: 18.6 Hours

Environment

Temp: 15 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.9

Radius: 4.4

Gravity: 30.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14.54 AU - 15.88 AU

Year: 20848 Days

Day: 16 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,297,254 km

• M1: 56,249 km (0.112 R)
• M2: 199,713 km (0.065 R)
• M3: 336,595 km (0.113 R)
• M4: 694,284 km (0.109 R)
• M5: 1,106,875 km (0.095 R)
• M6: 1,314,965 km (0.108 R)
• M7: 1,483,861 km (0.12 R)
• M8: 2,442,185 km (0.103 R)
• M9: 2,650,725 km (0.101 R)
• M10: 3,518,542 km (0.097 R)
• M11: 3,664,849 km (0.113 R)
• M12: 4,913,991 km (0.102 R)
• M13: 5,998,725 km (0.052 R)
• M14: 7,471,366 km (0.073 R)
• M15: 8,214,120 km (0.049 R)
• M16: 8,629,852 km (0.09 R)
• M17: 9,730,294 km (0.094 R)
• M18: 10,254,784 km (0.073 R)
• M19: 15,071,237 km (0.038 R)
• M20: 15,772,552 km (0.118 R)
• M21: 17,324,181 km (0.097 R)
• M22: 19,699,945 km (0.081 R)
• M23: 23,709,318 km (0.067 R)
• M24: 24,022,426 km (0.07 R)
• M25: 24,338,227 km (0.08 R)
• M26: 27,306,249 km (0.105 R)
• M27: 30,017,710 km (0.071 R)
• M28: 34,213,631 km (0.09 R)
• M29: 39,950,261 km (0.089 R)
• M30: 49,281,578 km (0.065 R)
• M31: 61,522,723 km (0.116 R)
• M32: 63,708,348 km (0.059 R)
• M33: 64,922,185 km (0.076 R)
• M34: 66,151,131 km (0.118 R)
• M35: 70,359,918 km (0.118 R)
• M36: 73,409,919 km (0.115 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 11,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit