🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.46 AU - 0.62 AU

Year: 145 Days

Day: 28 Hours

Environment

Temp: 231 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.64 AU - 0.86 AU

Year: 237 Days

Day: 22.6 Hours

Environment

Temp: 120 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.99 AU - 1.27 AU

Year: 439 Days

Day: 35.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,882,423 km

• M1: 795,861 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.89 AU - 2.27 AU

Year: 1096 Days

Day: 33.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.66 AU - 2.56 AU

Year: 1119 Days

Day: 43 Hours

Environment

Temp: -78 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.85 AU - 2.39 AU

Year: 1127 Days

Day: 12.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,882,423 km

• M1: 1,106,276 km (0.113 R)
• M2: 1,870,572 km (0.072 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.69 AU - 4.15 AU

Year: 2835 Days

Day: 38 Hours

Environment

Temp: -123 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,882,423 km

• M1: 36,053 km (0.029 R)

Asteroid Belt

Center: 8.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.8

Radius: 13.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 11.1 AU - 13.48 AU

Year: 15737 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,882,423 km

• M1: 166,652 km (0.03 R)
• M2: 876,793 km (0.103 R)
• M3: 1,402,031 km (0.118 R)
• M4: 1,855,612 km (0.102 R)
• M5: 2,638,308 km (0.105 R)
• M6: 3,070,795 km (0.025 R)
• M7: 3,577,783 km (0.097 R)
• M8: 4,170,190 km (0.109 R)
• M9: 4,994,026 km (0.046 R)
• M10: 5,848,230 km (0.05 R)
• M11: 6,881,352 km (0.082 R)
• M12: 9,053,214 km (0.116 R)
• M13: 9,780,410 km (0.091 R)
• M14: 10,546,201 km (0.099 R)
• M15: 13,812,820 km (0.075 R)
• M16: 19,681,844 km (0.094 R)
• M17: 26,193,091 km (0.104 R)
• M18: 29,875,144 km (0.115 R)
• M19: 31,136,702 km (0.116 R)
• M20: 32,433,566 km (0.117 R)
• M21: 42,538,005 km (0.079 R)
• M22: 45,319,628 km (0.103 R)
• M23: 45,920,263 km (0.041 R)
• M24: 51,894,753 km (0.063 R)
• M25: 56,788,698 km (0.101 R)
• M26: 59,976,180 km (0.116 R)
• M27: 60,700,383 km (0.077 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 16,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit