🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.82 AU - 1.34 AU

Year: 398 Days

Day: 17.4 Hours

Environment

Temp: 19 °C

Axial Tilt: 42 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 35,525,674 km

• M1: 485,894 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.26 AU - 2.42 AU

Year: 1270 Days

Day: 34.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,525,674 km

• M1: 932,593 km (0.048 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.16 AU - 3.28 AU

Year: 1591 Days

Day: 44 Hours

Environment

Temp: -85 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.13 AU - 3.49 AU

Year: 1671 Days

Day: 20.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,525,674 km

• M1: 2,221,229 km (0.071 R)

Asteroid Belt

Center: 8.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.9

Radius: 7.8

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 13.98 AU - 15.4 AU

Year: 19974 Days

Day: 24.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,525,674 km

• M1: 96,939 km (0.033 R)
• M2: 420,370 km (0.072 R)
• M3: 2,280,470 km (0.068 R)
• M4: 3,053,592 km (0.095 R)
• M5: 4,393,989 km (0.097 R)
• M6: 4,686,901 km (0.049 R)
• M7: 6,832,284 km (0.096 R)
• M8: 9,125,620 km (0.086 R)
• M9: 10,007,350 km (0.041 R)
• M10: 10,610,079 km (0.091 R)
• M11: 12,723,748 km (0.086 R)
• M12: 13,047,029 km (0.065 R)
• M13: 15,958,353 km (0.063 R)
• M14: 16,461,151 km (0.06 R)
• M15: 22,163,224 km (0.095 R)
• M16: 34,682,172 km (0.039 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 18,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit