🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.97 AU - 1.37 AU

Year: 477 Days

Day: 34.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.52 AU - 2.02 AU

Year: 887 Days

Day: 18.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,231,913 km

• M1: 1,111,063 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.86 AU - 2.42 AU

Year: 1179 Days

Day: 20.7 Hours

Environment

Temp: -86 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.88 AU - 2.82 AU

Year: 1357 Days

Day: 18.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 113 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,231,913 km

• M1: 1,863,989 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.77 AU - 3.41 AU

Year: 2046 Days

Day: 34.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,231,913 km

• M1: 42,635 km (0.11 R)

Asteroid Belt

Center: 5.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.9

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.06 AU - 9.68 AU

Year: 9952 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,231,913 km

• M1: 144,960 km (0.096 R)
• M2: 811,718 km (0.085 R)
• M3: 1,227,451 km (0.107 R)
• M4: 1,851,124 km (0.08 R)
• M5: 2,358,410 km (0.117 R)
• M6: 3,281,878 km (0.099 R)
• M7: 4,611,654 km (0.068 R)
• M8: 5,940,831 km (0.092 R)
• M9: 6,812,687 km (0.038 R)
• M10: 7,724,636 km (0.066 R)
• M11: 8,300,737 km (0.045 R)
• M12: 8,810,417 km (0.098 R)
• M13: 9,639,040 km (0.096 R)
• M14: 10,150,365 km (0.088 R)
• M15: 11,395,169 km (0.11 R)
• M16: 13,671,151 km (0.12 R)
• M17: 14,121,291 km (0.103 R)
• M18: 14,983,573 km (0.103 R)
• M19: 16,522,337 km (0.097 R)
• M20: 17,857,647 km (0.062 R)
• M21: 18,708,411 km (0.071 R)
• M22: 20,158,463 km (0.095 R)
• M23: 24,202,991 km (0.093 R)
• M24: 31,683,183 km (0.092 R)
• M25: 36,988,373 km (0.105 R)
• M26: 39,137,795 km (0.056 R)
• M27: 42,448,097 km (0.117 R)
• M28: 42,857,546 km (0.102 R)
• M29: 43,407,468 km (0.085 R)
• M30: 45,227,326 km (0.097 R)
• M31: 47,243,606 km (0.063 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit