🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.76 AU - 1 AU

Year: 291 Days

Day: 29.9 Hours

Environment

Temp: 141 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 30,727,341 km

• M1: 377,286 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.04 AU - 1.3 AU

Year: 447 Days

Day: 39.7 Hours

Environment

Temp: 40 °C

Axial Tilt: 79.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.99 AU - 3.03 AU

Year: 1404 Days

Day: 20.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 13.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.99 AU - 8.79 AU

Year: 7826 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,727,341 km

• M1: 189,840 km (0.109 R)
• M2: 940,073 km (0.088 R)
• M3: 1,488,349 km (0.076 R)
• M4: 1,913,506 km (0.087 R)
• M5: 2,474,798 km (0.105 R)
• M6: 3,209,473 km (0.097 R)
• M7: 4,878,686 km (0.042 R)
• M8: 5,642,832 km (0.081 R)
• M9: 7,333,138 km (0.081 R)
• M10: 7,884,406 km (0.077 R)
• M11: 8,421,014 km (0.056 R)
• M12: 9,294,217 km (0.107 R)
• M13: 10,035,474 km (0.06 R)
• M14: 11,900,959 km (0.103 R)
• M15: 12,887,857 km (0.115 R)
• M16: 15,275,588 km (0.108 R)
• M17: 15,850,942 km (0.067 R)
• M18: 17,181,615 km (0.058 R)
• M19: 19,687,678 km (0.109 R)
• M20: 20,523,332 km (0.09 R)
• M21: 23,424,035 km (0.119 R)
• M22: 26,679,583 km (0.119 R)
• M23: 27,702,982 km (0.05 R)
• M24: 30,627,022 km (0.114 R)
• M25: 31,645,784 km (0.111 R)
• M26: 33,750,925 km (0.028 R)
• M27: 35,168,515 km (0.089 R)
• M28: 40,261,125 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 10.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.28 AU - 9.7 AU

Year: 9518 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,727,341 km

• M1: 133,292 km (0.093 R)
• M2: 545,583 km (0.117 R)
• M3: 5,592,716 km (0.091 R)
• M4: 8,849,013 km (0.051 R)
• M5: 13,352,208 km (0.093 R)
• M6: 14,429,463 km (0.105 R)
• M7: 15,102,952 km (0.098 R)
• M8: 17,563,388 km (0.104 R)
• M9: 18,072,769 km (0.088 R)
• M10: 18,592,173 km (0.072 R)
• M11: 22,960,730 km (0.028 R)
• M12: 27,032,036 km (0.08 R)
• M13: 30,179,874 km (0.078 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 18,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit