🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.52 AU - 0.74 AU

Year: 182 Days

Day: 18.8 Hours

Environment

Temp: 160 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.95 AU - 2.35 AU

Year: 1146 Days

Day: 23.4 Hours

Environment

Temp: -78 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.87 AU - 3.07 AU

Year: 1411 Days

Day: 28.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.97 AU - 5.37 AU

Year: 3668 Days

Day: 41.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 13.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.76 AU - 8.34 AU

Year: 7540 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 61.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,419,728 km

• M1: 164,258 km (0.052 R)
• M2: 685,158 km (0.113 R)
• M3: 1,163,871 km (0.112 R)
• M4: 4,933,289 km (0.083 R)
• M5: 18,308,984 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 12.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.99 AU - 12.97 AU

Year: 16023 Days

Day: 8.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,419,728 km

• M1: 174,880 km (0.093 R)
• M2: 689,497 km (0.066 R)
• M3: 1,095,655 km (0.116 R)
• M4: 3,020,531 km (0.103 R)
• M5: 3,748,175 km (0.039 R)
• M6: 7,882,013 km (0.109 R)
• M7: 10,502,519 km (0.081 R)
• M8: 11,596,677 km (0.067 R)
• M9: 16,663,258 km (0.077 R)
• M10: 19,813,789 km (0.104 R)
• M11: 24,570,553 km (0.12 R)
• M12: 28,401,006 km (0.114 R)
• M13: 32,236,097 km (0.05 R)
• M14: 32,991,866 km (0.106 R)
• M15: 42,702,114 km (0.093 R)
• M16: 46,426,353 km (0.099 R)
• M17: 59,077,246 km (0.119 R)
• M18: 61,163,089 km (0.104 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 16,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit