🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.75 AU - 1.17 AU

Year: 340 Days

Day: 30.6 Hours

Environment

Temp: 131 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 62,294,793 km

• M1: 61,335 km (0.065 R)
• M2: 131,197 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.98 AU - 1.26 AU

Year: 429 Days

Day: 36.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 62,294,793 km

• M1: 43,084 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.21 AU - 2.47 AU

Year: 1295 Days

Day: 18.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,294,793 km

• M1: 38,746 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 10.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.14 AU - 11.64 AU

Year: 10406 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,294,793 km

• M1: 131,197 km (0.114 R)
• M2: 484,248 km (0.056 R)
• M3: 991,235 km (0.082 R)
• M4: 2,075,371 km (0.09 R)
• M5: 2,917,906 km (0.096 R)
• M6: 3,719,751 km (0.11 R)
• M7: 4,575,750 km (0.107 R)
• M8: 5,081,391 km (0.112 R)
• M9: 5,926,619 km (0.119 R)
• M10: 6,528,152 km (0.105 R)
• M11: 7,169,927 km (0.112 R)
• M12: 7,770,712 km (0.111 R)
• M13: 9,164,665 km (0.082 R)
• M14: 10,872,773 km (0.064 R)
• M15: 12,611,549 km (0.118 R)
• M16: 14,216,884 km (0.078 R)
• M17: 14,717,738 km (0.043 R)
• M18: 24,775,951 km (0.07 R)
• M19: 25,869,810 km (0.108 R)
• M20: 31,720,583 km (0.119 R)
• M21: 32,253,451 km (0.11 R)
• M22: 33,557,046 km (0.118 R)
• M23: 35,121,990 km (0.078 R)
• M24: 37,559,687 km (0.115 R)
• M25: 39,124,032 km (0.065 R)
• M26: 39,984,220 km (0.093 R)
• M27: 41,234,708 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.7

Radius: 6.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 18.73 AU - 20.05 AU

Year: 30879 Days

Day: 21 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,294,793 km

• M1: 84,523 km (0.108 R)
• M2: 435,479 km (0.098 R)
• M3: 1,697,936 km (0.116 R)
• M4: 2,123,093 km (0.059 R)
• M5: 5,134,947 km (0.112 R)
• M6: 5,678,286 km (0.086 R)
• M7: 17,807,682 km (0.114 R)
• M8: 26,751,690 km (0.114 R)
• M9: 27,609,484 km (0.089 R)
• M10: 28,375,126 km (0.109 R)
• M11: 37,486,085 km (0.101 R)
• M12: 45,587,109 km (0.056 R)
• M13: 55,988,649 km (0.052 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 13,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit