🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.41 AU - 0.61 AU

Year: 155 Days

Day: 37.8 Hours

Environment

Temp: 100 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,146,475 km

• M1: 36,651 km (0.048 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.14 AU - 1.2 AU

Year: 537 Days

Day: 26.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 59.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,146,475 km

• M1: 75,846 km (0.118 R)
• M2: 217,216 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.96 AU - 2.24 AU

Year: 1292 Days

Day: 30.9 Hours

Environment

Temp: -109 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.2

Radius: 13.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.37 AU - 8.93 AU

Year: 8984 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,146,475 km

• M1: 172,935 km (0.051 R)
• M2: 624,272 km (0.067 R)
• M3: 1,075,160 km (0.045 R)
• M4: 2,513,543 km (0.117 R)
• M5: 3,456,459 km (0.051 R)
• M6: 5,617,699 km (0.062 R)
• M7: 6,443,928 km (0.108 R)
• M8: 7,349,743 km (0.109 R)
• M9: 7,985,235 km (0.102 R)
• M10: 10,114,162 km (0.102 R)
• M11: 12,598,385 km (0.072 R)
• M12: 14,078,057 km (0.115 R)
• M13: 15,329,443 km (0.065 R)
• M14: 18,281,009 km (0.093 R)
• M15: 21,253,369 km (0.06 R)
• M16: 23,165,978 km (0.103 R)
• M17: 23,616,268 km (0.048 R)
• M18: 26,834,716 km (0.049 R)
• M19: 28,548,809 km (0.113 R)
• M20: 29,170,986 km (0.054 R)
• M21: 35,779,323 km (0.09 R)
• M22: 37,482,345 km (0.053 R)
• M23: 42,645,416 km (0.091 R)
• M24: 43,458,630 km (0.109 R)
• M25: 46,529,426 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 13.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.74 AU - 8 AU

Year: 9374 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,146,475 km

• M1: 165,455 km (0.1 R)
• M2: 823,835 km (0.107 R)
• M3: 1,300,903 km (0.114 R)
• M4: 1,852,470 km (0.103 R)
• M5: 3,104,754 km (0.079 R)
• M6: 3,985,886 km (0.032 R)
• M7: 4,915,786 km (0.064 R)
• M8: 5,373,256 km (0.094 R)
• M9: 8,583,327 km (0.038 R)
• M10: 11,164,639 km (0.077 R)
• M11: 13,551,174 km (0.097 R)
• M12: 15,887,892 km (0.116 R)
• M13: 19,312,038 km (0.107 R)
• M14: 21,271,321 km (0.092 R)
• M15: 22,415,296 km (0.067 R)
• M16: 29,312,955 km (0.084 R)
• M17: 30,633,306 km (0.043 R)
• M18: 31,114,412 km (0.059 R)
• M19: 32,289,504 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 18,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit