🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.65 AU - 0.91 AU

Year: 241 Days

Day: 18.9 Hours

Environment

Temp: 178 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,775,579 km

• M1: 161,865 km (0.093 R)
• M2: 664,364 km (0.035 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.01 AU - 1.51 AU

Year: 495 Days

Day: 17.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,775,579 km

• M1: 59,390 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.04 AU - 1.56 AU

Year: 519 Days

Day: 39.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.58 AU - 2.22 AU

Year: 916 Days

Day: 27.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,775,579 km

• M1: 46,076 km (0.046 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.28 AU - 5.36 AU

Year: 3702 Days

Day: 28.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 13.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 12.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 11.94 AU - 14.28 AU

Year: 16607 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,775,579 km

• M1: 150,495 km (0.063 R)
• M2: 933,192 km (0.083 R)
• M3: 1,471,594 km (0.117 R)
• M4: 2,153,761 km (0.034 R)
• M5: 2,678,999 km (0.096 R)
• M6: 3,132,729 km (0.087 R)
• M7: 5,893,109 km (0.094 R)
• M8: 8,117,779 km (0.106 R)
• M9: 10,108,029 km (0.045 R)
• M10: 14,477,783 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.9

Radius: 4.9

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 16.48 AU - 17.56 AU

Year: 24565 Days

Day: 19.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,775,579 km

• M1: 61,036 km (0.106 R)
• M2: 290,369 km (0.104 R)
• M3: 462,856 km (0.039 R)
• M4: 616,044 km (0.102 R)
• M5: 867,518 km (0.07 R)
• M6: 1,054,665 km (0.058 R)
• M7: 1,448,257 km (0.104 R)
• M8: 3,087,999 km (0.117 R)
• M9: 4,202,354 km (0.095 R)
• M10: 5,067,478 km (0.107 R)
• M11: 5,483,360 km (0.05 R)
• M12: 6,469,510 km (0.093 R)
• M13: 7,472,563 km (0.094 R)
• M14: 7,665,395 km (0.104 R)
• M15: 7,911,334 km (0.082 R)
• M16: 8,786,631 km (0.106 R)
• M17: 11,160,001 km (0.061 R)
• M18: 11,412,373 km (0.1 R)
• M19: 12,258,498 km (0.072 R)
• M20: 13,784,397 km (0.09 R)
• M21: 15,354,875 km (0.113 R)
• M22: 19,475,548 km (0.089 R)
• M23: 23,341,606 km (0.109 R)
• M24: 26,780,113 km (0.12 R)
• M25: 28,385,149 km (0.108 R)
• M26: 41,754,561 km (0.046 R)
• M27: 43,908,172 km (0.11 R)
• M28: 45,490,917 km (0.095 R)
• M29: 53,263,275 km (0.117 R)
• M30: 59,929,505 km (0.119 R)
• M31: 69,653,217 km (0.08 R)
• M32: 73,554,730 km (0.049 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 18,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit