🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.73 AU - 0.75 AU

Year: 239 Days

Day: 24.3 Hours

Environment

Temp: 87 °C

Axial Tilt: 102.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.77 AU - 0.95 AU

Year: 299 Days

Day: 42.9 Hours

Environment

Temp: 110 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,060,753 km

• M1: 21,841 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.35 AU - 1.41 AU

Year: 608 Days

Day: 43.6 Hours

Environment

Temp: -33 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,060,753 km

• M1: 669,899 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.64 AU - 3.4 AU

Year: 1967 Days

Day: 27.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,060,753 km

• M1: 79,137 km (0.086 R)

Asteroid Belt

Center: 4.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.2

Radius: 9.9

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.26 AU - 6.46 AU

Year: 5316 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,060,753 km

• M1: 123,269 km (0.091 R)
• M2: 493,823 km (0.117 R)
• M3: 984,504 km (0.112 R)
• M4: 1,546,094 km (0.108 R)
• M5: 2,374,567 km (0.085 R)
• M6: 2,805,259 km (0.074 R)
• M7: 3,538,588 km (0.116 R)
• M8: 4,320,536 km (0.049 R)
• M9: 5,556,514 km (0.091 R)
• M10: 6,256,482 km (0.114 R)
• M11: 6,810,742 km (0.095 R)
• M12: 7,468,674 km (0.077 R)
• M13: 8,359,679 km (0.102 R)
• M14: 9,956,337 km (0.04 R)
• M15: 10,307,592 km (0.104 R)
• M16: 10,803,958 km (0.045 R)
• M17: 12,090,051 km (0.109 R)
• M18: 13,054,359 km (0.107 R)
• M19: 15,135,714 km (0.114 R)
• M20: 16,015,200 km (0.107 R)
• M21: 20,930,388 km (0.115 R)
• M22: 21,726,847 km (0.073 R)
• M23: 22,618,600 km (0.11 R)
• M24: 23,303,309 km (0.095 R)
• M25: 23,767,362 km (0.041 R)
• M26: 24,634,281 km (0.115 R)
• M27: 26,514,727 km (0.103 R)
• M28: 26,851,322 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 9.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.18 AU - 8.2 AU

Year: 6484 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,060,753 km

• M1: 181,313 km (0.086 R)
• M2: 537,056 km (0.078 R)
• M3: 1,044,792 km (0.085 R)
• M4: 1,501,813 km (0.1 R)
• M5: 2,073,875 km (0.117 R)
• M6: 2,711,312 km (0.084 R)
• M7: 3,136,918 km (0.091 R)
• M8: 3,606,655 km (0.089 R)
• M9: 5,130,309 km (0.044 R)
• M10: 5,480,518 km (0.047 R)
• M11: 6,359,854 km (0.092 R)
• M12: 6,973,206 km (0.12 R)
• M13: 7,775,649 km (0.041 R)
• M14: 8,843,329 km (0.115 R)
• M15: 9,695,139 km (0.086 R)
• M16: 11,267,412 km (0.101 R)
• M17: 14,445,470 km (0.071 R)
• M18: 16,238,998 km (0.119 R)
• M19: 19,340,312 km (0.111 R)
• M20: 21,815,857 km (0.085 R)
• M21: 28,459,349 km (0.087 R)
• M22: 31,263,262 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.85 AU - 9.13 AU

Year: 7682 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,060,753 km

• M1: 112,049 km (0.087 R)
• M2: 639,830 km (0.098 R)
• M3: 974,630 km (0.086 R)
• M4: 1,765,255 km (0.12 R)
• M5: 2,079,111 km (0.107 R)
• M6: 2,789,402 km (0.087 R)
• M7: 3,341,268 km (0.092 R)
• M8: 5,052,668 km (0.1 R)
• M9: 5,365,926 km (0.091 R)
• M10: 7,936,317 km (0.076 R)
• M11: 8,697,321 km (0.11 R)
• M12: 9,361,835 km (0.096 R)
• M13: 12,190,880 km (0.11 R)
• M14: 13,476,075 km (0.102 R)
• M15: 14,606,138 km (0.106 R)
• M16: 19,585,802 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 18,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit