🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 17 Hours

Environment

Temp: -121 °C

Axial Tilt: 101.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.5 AU - 0.72 AU

Year: 303 Days

Day: 27.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359

Radius: 12.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.66 AU - 0.7 AU

Year: 357 Days

Day: 11.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,536,548 km

• M1: 155,432 km (0.097 R)
• M2: 647,310 km (0.039 R)
• M3: 1,267,543 km (0.116 R)
• M4: 1,717,084 km (0.056 R)
• M5: 2,211,505 km (0.085 R)
• M6: 2,622,151 km (0.12 R)
• M7: 3,777,795 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 9.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.35 AU - 1.83 AU

Year: 1275 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,536,548 km

• M1: 115,789 km (0.115 R)
• M2: 436,676 km (0.043 R)
• M3: 1,464,563 km (0.071 R)
• M4: 2,319,814 km (0.118 R)
• M5: 2,706,076 km (0.03 R)
• M6: 3,758,946 km (0.101 R)
• M7: 4,401,319 km (0.098 R)
• M8: 4,700,515 km (0.117 R)
• M9: 5,644,776 km (0.069 R)
• M10: 6,367,484 km (0.1 R)
• M11: 6,792,641 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 9.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.13 AU - 3.03 AU

Year: 2635 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,536,548 km

• M1: 123,119 km (0.061 R)
• M2: 573,558 km (0.074 R)
• M3: 965,056 km (0.115 R)
• M4: 1,359,246 km (0.102 R)
• M5: 3,251,959 km (0.1 R)
• M6: 4,817,051 km (0.064 R)
• M7: 5,638,493 km (0.065 R)
• M8: 7,310,698 km (0.104 R)
• M9: 8,012,163 km (0.114 R)
• M10: 9,131,903 km (0.117 R)
• M11: 10,665,580 km (0.083 R)
• M12: 10,984,672 km (0.118 R)
• M13: 12,637,579 km (0.046 R)
• M14: 13,730,541 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 10,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit