🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.08 AU - 1.16 AU

Year: 440 Days

Day: 47.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1 AU - 1.6 AU

Year: 550 Days

Day: 14.5 Hours

Environment

Temp: -10 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.68 AU - 3.38 AU

Year: 1956 Days

Day: 13.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,341,441 km

• M1: 38,596 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.63 AU - 9.21 AU

Year: 8266 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,341,441 km

• M1: 121,174 km (0.087 R)
• M2: 822,489 km (0.096 R)
• M3: 1,312,721 km (0.116 R)
• M4: 2,828,896 km (0.086 R)
• M5: 4,778,156 km (0.056 R)
• M6: 5,069,722 km (0.105 R)
• M7: 6,984,425 km (0.09 R)
• M8: 7,521,781 km (0.078 R)
• M9: 8,188,987 km (0.101 R)
• M10: 10,068,834 km (0.092 R)
• M11: 11,004,270 km (0.107 R)
• M12: 11,428,529 km (0.072 R)
• M13: 12,537,349 km (0.097 R)
• M14: 13,047,178 km (0.077 R)
• M15: 13,426,708 km (0.107 R)
• M16: 15,278,580 km (0.091 R)
• M17: 17,012,419 km (0.093 R)
• M18: 21,648,906 km (0.108 R)
• M19: 22,181,175 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 11.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.87 AU - 10.45 AU

Year: 11134 Days

Day: 7.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,341,441 km

• M1: 250,427 km (0.074 R)
• M2: 692,189 km (0.105 R)
• M3: 1,377,796 km (0.114 R)
• M4: 2,070,734 km (0.096 R)
• M5: 5,658,240 km (0.089 R)
• M6: 7,732,564 km (0.092 R)
• M7: 8,565,974 km (0.087 R)
• M8: 8,983,352 km (0.081 R)
• M9: 10,458,238 km (0.102 R)
• M10: 13,996,975 km (0.084 R)
• M11: 16,735,215 km (0.102 R)
• M12: 17,125,515 km (0.052 R)
• M13: 20,030,407 km (0.113 R)
• M14: 20,992,321 km (0.038 R)
• M15: 22,690,107 km (0.104 R)
• M16: 23,249,005 km (0.083 R)
• M17: 24,896,526 km (0.094 R)
• M18: 27,063,900 km (0.112 R)
• M19: 28,056,333 km (0.103 R)
• M20: 30,594,859 km (0.087 R)
• M21: 31,474,046 km (0.084 R)
• M22: 34,317,303 km (0.056 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 10,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit