🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.08 AU - 1.3 AU

Year: 477 Days

Day: 23.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.34 AU - 1.48 AU

Year: 615 Days

Day: 15.7 Hours

Environment

Temp: -35 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,770,649 km

• M1: 34,707 km (0.074 R)
• M2: 733,329 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.48 AU - 2.88 AU

Year: 1611 Days

Day: 23.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 9.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.76 AU - 10.94 AU

Year: 9665 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,770,649 km

• M1: 121,324 km (0.083 R)
• M2: 506,538 km (0.058 R)
• M3: 1,531,583 km (0.119 R)
• M4: 2,991,957 km (0.069 R)
• M5: 3,403,202 km (0.101 R)
• M6: 4,243,643 km (0.12 R)
• M7: 5,107,421 km (0.075 R)
• M8: 5,933,201 km (0.111 R)
• M9: 6,393,813 km (0.095 R)
• M10: 7,283,172 km (0.113 R)
• M11: 11,725,182 km (0.112 R)
• M12: 12,600,479 km (0.084 R)
• M13: 14,208,955 km (0.096 R)
• M14: 16,720,853 km (0.077 R)
• M15: 18,659,043 km (0.109 R)
• M16: 20,396,473 km (0.086 R)
• M17: 23,351,330 km (0.088 R)
• M18: 26,992,991 km (0.104 R)
• M19: 27,662,890 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 14.3

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 9.13 AU - 13.19 AU

Year: 13686 Days

Day: 5.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,770,649 km

• M1: 178,021 km (0.091 R)
• M2: 1,208,003 km (0.119 R)
• M3: 2,006,556 km (0.11 R)
• M4: 2,476,144 km (0.04 R)
• M5: 3,238,943 km (0.069 R)
• M6: 4,227,636 km (0.064 R)
• M7: 4,739,560 km (0.09 R)
• M8: 7,077,026 km (0.075 R)
• M9: 8,657,827 km (0.065 R)
• M10: 9,574,563 km (0.096 R)
• M11: 10,146,176 km (0.026 R)
• M12: 10,694,004 km (0.098 R)
• M13: 13,353,704 km (0.12 R)
• M14: 14,808,095 km (0.054 R)
• M15: 16,365,857 km (0.078 R)
• M16: 19,664,790 km (0.099 R)
• M17: 21,769,183 km (0.088 R)
• M18: 26,592,817 km (0.094 R)
• M19: 32,086,350 km (0.06 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit