🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.59 AU - 0.87 AU

Year: 239 Days

Day: 17.8 Hours

Environment

Temp: 107 °C

Axial Tilt: 1.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.92 AU - 1.38 AU

Year: 472 Days

Day: 14.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.1 AU - 1.36 AU

Year: 522 Days

Day: 22 Hours

Environment

Temp: -36 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.39 AU - 1.49 AU

Year: 662 Days

Day: 46.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,023,267 km

• M1: 24,534 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.3 AU - 2.66 AU

Year: 1495 Days

Day: 32.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 14.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.71 AU - 5.99 AU

Year: 4090 Days

Day: 9 Hours

Environment

Temp: -142 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,023,267 km

• M1: 182,509 km (0.115 R)
• M2: 660,475 km (0.095 R)
• M3: 1,591,422 km (0.06 R)
• M4: 2,152,564 km (0.063 R)
• M5: 3,563,421 km (0.051 R)
• M6: 4,202,803 km (0.087 R)
• M7: 5,385,523 km (0.1 R)
• M8: 6,155,204 km (0.065 R)
• M9: 6,699,591 km (0.117 R)
• M10: 8,528,724 km (0.094 R)
• M11: 9,747,648 km (0.097 R)
• M12: 12,166,346 km (0.098 R)
• M13: 13,450,943 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.8

Radius: 5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 16.7 AU - 17.18 AU

Year: 26696 Days

Day: 16.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,023,267 km

• M1: 67,169 km (0.092 R)
• M2: 578,196 km (0.096 R)
• M3: 1,004,251 km (0.062 R)
• M4: 1,251,685 km (0.112 R)
• M5: 8,841,683 km (0.061 R)
• M6: 11,319,622 km (0.061 R)
• M7: 29,645,810 km (0.104 R)
• M8: 34,429,202 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 11,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit