🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.42 AU - 0.6 AU

Year: 132 Days

Day: 45.4 Hours

Environment

Temp: 176 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,673,737 km

• M1: 59,690 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.81 AU - 0.97 AU

Year: 304 Days

Day: 31.3 Hours

Environment

Temp: 122 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.85 AU - 1.07 AU

Year: 340 Days

Day: 36.4 Hours

Environment

Temp: 73 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.09 AU - 2.15 AU

Year: 1116 Days

Day: 30.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,673,737 km

• M1: 66,122 km (0.051 R)
• M2: 453,581 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.26 AU - 2.8 AU

Year: 1455 Days

Day: 20.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 84,673,737 km

• M1: 684,560 km (0.045 R)
• M2: 995,723 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.68 AU - 5.66 AU

Year: 3650 Days

Day: 46.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.8

Radius: 7.1

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 13.39 AU - 17.67 AU

Year: 22133 Days

Day: 21.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,673,737 km

• M1: 126,859 km (0.088 R)
• M2: 964,607 km (0.116 R)
• M3: 1,301,950 km (0.076 R)
• M4: 2,965,179 km (0.073 R)
• M5: 3,969,280 km (0.119 R)
• M6: 5,461,220 km (0.098 R)
• M7: 6,766,611 km (0.115 R)
• M8: 7,098,868 km (0.115 R)
• M9: 8,108,653 km (0.103 R)
• M10: 10,162,034 km (0.095 R)
• M11: 24,185,937 km (0.118 R)
• M12: 32,188,824 km (0.105 R)
• M13: 32,455,557 km (0.119 R)
• M14: 35,204,867 km (0.106 R)
• M15: 39,157,392 km (0.119 R)
• M16: 41,318,932 km (0.079 R)
• M17: 43,885,134 km (0.088 R)
• M18: 47,411,904 km (0.093 R)
• M19: 50,222,399 km (0.082 R)
• M20: 52,034,328 km (0.12 R)
• M21: 54,643,614 km (0.117 R)
• M22: 56,559,813 km (0.063 R)
• M23: 63,829,372 km (0.096 R)
• M24: 64,461,872 km (0.063 R)
• M25: 69,673,114 km (0.095 R)
• M26: 72,380,985 km (0.116 R)
• M27: 74,690,477 km (0.054 R)
• M28: 76,099,539 km (0.048 R)
• M29: 76,810,578 km (0.108 R)
• M30: 81,170,608 km (0.119 R)
• M31: 83,914,682 km (0.068 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit