🌌 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: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.45 AU - 0.75 AU

Year: 166 Days

Day: 25 Hours

Environment

Temp: 177 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,113,039 km

• M1: 35,754 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.7 AU - 0.7 AU

Year: 209 Days

Day: 30 Hours

Environment

Temp: 125 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,113,039 km

• M1: 44,131 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.27 AU

Year: 384 Days

Day: 19.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.02 AU - 1.32 AU

Year: 451 Days

Day: 32.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.55 AU - 2.25 AU

Year: 934 Days

Day: 16.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.17 AU - 4.75 AU

Year: 3357 Days

Day: 22 Hours

Environment

Temp: -125 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.3

Radius: 8

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 12.87 AU - 13.29 AU

Year: 16862 Days

Day: 19.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,113,039 km

• M1: 99,483 km (0.063 R)
• M2: 357,689 km (0.039 R)
• M3: 651,798 km (0.111 R)
• M4: 1,039,705 km (0.037 R)
• M5: 1,423,424 km (0.068 R)
• M6: 1,707,360 km (0.111 R)
• M7: 2,391,472 km (0.085 R)
• M8: 3,194,064 km (0.12 R)
• M9: 4,485,094 km (0.081 R)
• M10: 4,855,947 km (0.097 R)
• M11: 5,853,765 km (0.105 R)
• M12: 9,498,118 km (0.091 R)
• M13: 10,110,871 km (0.073 R)
• M14: 10,928,573 km (0.119 R)
• M15: 11,415,215 km (0.106 R)
• M16: 13,997,125 km (0.083 R)
• M17: 19,653,121 km (0.065 R)
• M18: 21,016,855 km (0.074 R)
• M19: 21,674,338 km (0.07 R)
• M20: 24,960,255 km (0.062 R)
• M21: 25,485,344 km (0.078 R)
• M22: 26,449,352 km (0.104 R)
• M23: 27,437,297 km (0.078 R)
• M24: 30,310,773 km (0.084 R)
• M25: 34,532,125 km (0.105 R)
• M26: 35,711,854 km (0.115 R)
• M27: 36,782,825 km (0.071 R)
• M28: 38,013,118 km (0.087 R)
• M29: 39,695,795 km (0.094 R)
• M30: 42,460,812 km (0.104 R)
• M31: 46,607,067 km (0.11 R)
• M32: 53,754,704 km (0.116 R)
• M33: 58,966,843 km (0.079 R)
• M34: 59,338,145 km (0.088 R)
• M35: 61,790,503 km (0.119 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 14,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit