🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.65 AU - 0.77 AU

Year: 224 Days

Day: 17.5 Hours

Environment

Temp: 154 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,551,260 km

• M1: 40,840 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.67 AU - 0.77 AU

Year: 229 Days

Day: 23.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.74 AU - 0.92 AU

Year: 283 Days

Day: 19.6 Hours

Environment

Temp: 96 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,551,260 km

• M1: 95,144 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.71 AU - 1.97 AU

Year: 935 Days

Day: 18.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,551,260 km

• M1: 1,609,523 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.41 AU - 2.57 AU

Year: 1472 Days

Day: 46.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,551,260 km

• M1: 1,080,396 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.6

Radius: 10.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.43 AU - 4.45 AU

Year: 3506 Days

Day: 11.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,551,260 km

• M1: 128,056 km (0.057 R)
• M2: 460,013 km (0.088 R)
• M3: 828,922 km (0.069 R)
• M4: 1,174,194 km (0.105 R)
• M5: 3,933,975 km (0.12 R)
• M6: 5,477,227 km (0.059 R)
• M7: 6,135,308 km (0.093 R)
• M8: 7,174,564 km (0.09 R)
• M9: 8,060,932 km (0.118 R)
• M10: 9,599,247 km (0.104 R)
• M11: 10,398,698 km (0.105 R)
• M12: 12,480,352 km (0.097 R)
• M13: 13,018,605 km (0.106 R)
• M14: 13,997,873 km (0.111 R)
• M15: 15,789,756 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.1

Radius: 3.7

Gravity: 35.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 17.21 AU - 20.25 AU

Year: 30376 Days

Day: 24.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,551,260 km

• M1: 46,974 km (0.059 R)
• M2: 603,627 km (0.074 R)
• M3: 783,743 km (0.06 R)
• M4: 1,267,992 km (0.12 R)
• M5: 1,711,699 km (0.091 R)
• M6: 2,560,667 km (0.098 R)
• M7: 2,686,778 km (0.108 R)
• M8: 4,957,374 km (0.054 R)
• M9: 5,153,796 km (0.06 R)
• M10: 13,751,934 km (0.045 R)
• M11: 16,103,762 km (0.083 R)
• M12: 20,764,334 km (0.089 R)
• M13: 23,509,305 km (0.118 R)
• M14: 23,729,962 km (0.094 R)
• M15: 23,951,965 km (0.051 R)
• M16: 25,895,541 km (0.053 R)
• M17: 31,142,686 km (0.089 R)
• M18: 31,275,679 km (0.106 R)
• M19: 31,676,601 km (0.116 R)
• M20: 38,873,156 km (0.115 R)
• M21: 44,008,253 km (0.114 R)
• M22: 50,304,678 km (0.106 R)
• M23: 52,718,140 km (0.1 R)
• M24: 62,508,573 km (0.032 R)
• M25: 67,050,813 km (0.108 R)
• M26: 76,060,793 km (0.098 R)
• M27: 86,630,033 km (0.078 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: 195 - 18,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit