🌌 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: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.57 AU - 0.63 AU

Year: 166 Days

Day: 17.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,258,644 km

• M1: 26,479 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.57 AU - 2.25 AU

Year: 945 Days

Day: 28.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,258,644 km

• M1: 369,806 km (0.078 R)
• M2: 785,239 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.07 AU - 2.17 AU

Year: 1106 Days

Day: 16.2 Hours

Environment

Temp: -72 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,258,644 km

• M1: 74,051 km (0.101 R)
• M2: 486,791 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.17 AU - 3.41 AU

Year: 1669 Days

Day: 28 Hours

Environment

Temp: -101 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.08 AU - 3.92 AU

Year: 2345 Days

Day: 12.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,258,644 km

• M1: 904,768 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 11.3

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.13 AU - 6.33 AU

Year: 4284 Days

Day: 8.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,258,644 km

• M1: 140,622 km (0.099 R)
• M2: 1,560,306 km (0.12 R)
• M3: 2,075,371 km (0.036 R)
• M4: 3,251,809 km (0.109 R)
• M5: 3,659,014 km (0.07 R)
• M6: 5,010,631 km (0.113 R)
• M7: 5,613,062 km (0.09 R)
• M8: 6,324,699 km (0.091 R)
• M9: 7,749,319 km (0.102 R)
• M10: 9,786,842 km (0.102 R)
• M11: 11,405,940 km (0.075 R)
• M12: 13,095,648 km (0.101 R)
• M13: 14,617,208 km (0.092 R)
• M14: 15,505,520 km (0.081 R)
• M15: 16,606,860 km (0.089 R)
• M16: 17,574,010 km (0.037 R)
• M17: 18,899,896 km (0.091 R)
• M18: 25,502,697 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 10.8

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.72 AU - 10.48 AU

Year: 9033 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,258,644 km

• M1: 134,788 km (0.084 R)
• M2: 486,642 km (0.104 R)
• M3: 841,039 km (0.076 R)
• M4: 1,183,020 km (0.095 R)
• M5: 1,553,873 km (0.108 R)
• M6: 2,099,606 km (0.09 R)
• M7: 2,633,072 km (0.063 R)
• M8: 3,554,146 km (0.058 R)
• M9: 4,288,223 km (0.072 R)
• M10: 4,677,477 km (0.046 R)
• M11: 5,624,132 km (0.053 R)
• M12: 6,194,997 km (0.049 R)
• M13: 6,657,404 km (0.097 R)
• M14: 7,413,771 km (0.11 R)
• M15: 8,481,451 km (0.072 R)
• M16: 10,173,702 km (0.099 R)
• M17: 11,543,271 km (0.104 R)
• M18: 12,189,982 km (0.108 R)
• M19: 12,634,288 km (0.084 R)
• M20: 13,147,110 km (0.107 R)
• M21: 14,093,167 km (0.056 R)
• M22: 14,521,166 km (0.107 R)
• M23: 15,596,476 km (0.101 R)
• M24: 16,120,667 km (0.118 R)
• M25: 17,834,460 km (0.114 R)
• M26: 18,625,832 km (0.084 R)
• M27: 18,993,245 km (0.073 R)
• M28: 21,300,044 km (0.08 R)
• M29: 23,190,812 km (0.104 R)
• M30: 35,796,377 km (0.063 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 18,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit