🌌 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: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.57 AU - 0.63 AU

Year: 163 Days

Day: 38.2 Hours

Environment

Temp: 188 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 21,266,546 km

• M1: 88,263 km (0.105 R)
• M2: 133,142 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.68 AU - 1.1 AU

Year: 294 Days

Day: 30.8 Hours

Environment

Temp: 160 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.86 AU - 1.4 AU

Year: 420 Days

Day: 40.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 2.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.06 AU - 2.94 AU

Year: 1383 Days

Day: 18 Hours

Environment

Temp: -70 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,266,546 km

• M1: 243,097 km (0.107 R)
• M2: 317,596 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 14.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.25 AU - 6.45 AU

Year: 5598 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,266,546 km

• M1: 235,916 km (0.107 R)
• M2: 835,504 km (0.064 R)
• M3: 1,312,572 km (0.102 R)
• M4: 2,116,959 km (0.114 R)
• M5: 2,678,550 km (0.044 R)
• M6: 3,199,001 km (0.094 R)
• M7: 4,898,133 km (0.118 R)
• M8: 7,078,971 km (0.118 R)
• M9: 8,317,492 km (0.116 R)
• M10: 8,865,768 km (0.118 R)
• M11: 10,577,916 km (0.103 R)
• M12: 11,680,602 km (0.072 R)
• M13: 12,634,587 km (0.109 R)
• M14: 13,875,950 km (0.071 R)
• M15: 15,146,635 km (0.063 R)
• M16: 18,202,471 km (0.115 R)
• M17: 19,188,320 km (0.119 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 16,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit