🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.46 AU - 0.6 AU

Year: 141 Days

Day: 44.8 Hours

Environment

Temp: 190 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,787,768 km

• M1: 115,938 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.92 AU - 1.08 AU

Year: 365 Days

Day: 42.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.11 AU - 1.11 AU

Year: 427 Days

Day: 18.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 134.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.33 AU - 1.33 AU

Year: 560 Days

Day: 28 Hours

Environment

Temp: 7 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.81 AU - 4.07 AU

Year: 2330 Days

Day: 23.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 13.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 10.21 AU - 12.71 AU

Year: 14170 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 105,787,768 km

• M1: 166,054 km (0.094 R)
• M2: 1,031,627 km (0.095 R)
• M3: 6,911,422 km (0.107 R)
• M4: 7,569,951 km (0.109 R)
• M5: 8,547,723 km (0.092 R)
• M6: 11,044,212 km (0.094 R)
• M7: 11,901,558 km (0.053 R)
• M8: 13,992,786 km (0.106 R)
• M9: 15,994,556 km (0.102 R)
• M10: 17,261,051 km (0.054 R)
• M11: 19,072,532 km (0.07 R)
• M12: 22,728,853 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.2

Radius: 3.3

Gravity: 87.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 15.71 AU - 20.23 AU

Year: 27824 Days

Day: 23.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 105,787,768 km

• M1: 40,990 km (0.116 R)
• M2: 427,252 km (0.038 R)
• M3: 569,818 km (0.115 R)
• M4: 721,511 km (0.111 R)
• M5: 874,400 km (0.107 R)
• M6: 1,077,404 km (0.076 R)
• M7: 1,942,828 km (0.115 R)
• M8: 3,221,889 km (0.084 R)
• M9: 4,692,586 km (0.055 R)
• M10: 5,617,550 km (0.067 R)
• M11: 6,410,867 km (0.106 R)
• M12: 6,707,819 km (0.094 R)
• M13: 9,613,159 km (0.1 R)
• M14: 10,001,964 km (0.093 R)
• M15: 11,374,076 km (0.116 R)
• M16: 11,882,559 km (0.051 R)
• M17: 17,827,279 km (0.09 R)
• M18: 18,118,845 km (0.057 R)
• M19: 20,780,341 km (0.069 R)
• M20: 22,654,653 km (0.091 R)
• M21: 24,518,792 km (0.095 R)
• M22: 25,000,347 km (0.069 R)
• M23: 27,892,074 km (0.106 R)
• M24: 33,291,211 km (0.098 R)
• M25: 34,478,569 km (0.094 R)
• M26: 35,693,902 km (0.114 R)
• M27: 42,373,148 km (0.082 R)
• M28: 46,095,741 km (0.099 R)
• M29: 56,447,615 km (0.092 R)
• M30: 57,075,926 km (0.055 R)
• M31: 57,708,875 km (0.113 R)
• M32: 67,772,174 km (0.086 R)
• M33: 69,915,911 km (0.039 R)
• M34: 71,859,038 km (0.101 R)
• M35: 73,339,758 km (0.087 R)
• M36: 78,943,245 km (0.063 R)
• M37: 81,049,434 km (0.091 R)
• M38: 87,872,592 km (0.045 R)
• M39: 89,849,379 km (0.086 R)
• M40: 94,773,393 km (0.117 R)
• M41: 95,364,155 km (0.098 R)
• M42: 103,582,613 km (0.117 R)
• M43: 103,895,721 km (0.067 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 18,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit