🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.6 AU - 0.72 AU

Year: 191 Days

Day: 34.4 Hours

Environment

Temp: 170 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.59 AU - 0.87 AU

Year: 222 Days

Day: 43.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.99 AU - 1.25 AU

Year: 422 Days

Day: 44.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 24.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.47 AU - 1.77 AU

Year: 735 Days

Day: 42.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,680,611 km

• M1: 49,068 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.32 AU - 1.98 AU

Year: 755 Days

Day: 37.9 Hours

Environment

Temp: -31 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,680,611 km

• M1: 32,313 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.31 AU - 5.43 AU

Year: 3831 Days

Day: 43.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 10.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.32 AU - 6.32 AU

Year: 5663 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,680,611 km

• M1: 131,796 km (0.115 R)
• M2: 569,968 km (0.086 R)
• M3: 971,788 km (0.113 R)
• M4: 1,610,720 km (0.082 R)
• M5: 2,179,641 km (0.079 R)
• M6: 2,843,556 km (0.12 R)
• M7: 3,280,532 km (0.12 R)
• M8: 4,153,884 km (0.066 R)
• M9: 5,387,618 km (0.074 R)
• M10: 5,773,431 km (0.067 R)
• M11: 6,539,073 km (0.045 R)
• M12: 7,173,068 km (0.089 R)
• M13: 8,380,622 km (0.115 R)
• M14: 9,090,464 km (0.046 R)
• M15: 9,839,950 km (0.118 R)
• M16: 11,018,930 km (0.087 R)
• M17: 12,195,817 km (0.083 R)
• M18: 18,731,449 km (0.097 R)
• M19: 23,312,285 km (0.084 R)
• M20: 23,675,957 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.7

Radius: 9.6

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.04 AU - 9.34 AU

Year: 8355 Days

Day: 12.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 164 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,680,611 km

• M1: 119,379 km (0.119 R)
• M2: 418,126 km (0.108 R)
• M3: 986,299 km (0.055 R)
• M4: 2,003,115 km (0.114 R)
• M5: 2,307,996 km (0.098 R)
• M6: 2,804,062 km (0.104 R)
• M7: 3,143,650 km (0.094 R)
• M8: 4,195,771 km (0.075 R)
• M9: 4,527,580 km (0.088 R)
• M10: 5,338,998 km (0.047 R)
• M11: 6,000,371 km (0.049 R)
• M12: 9,203,111 km (0.107 R)
• M13: 11,325,905 km (0.056 R)
• M14: 14,743,020 km (0.066 R)
• M15: 18,277,120 km (0.059 R)
• M16: 19,241,727 km (0.079 R)
• M17: 22,422,776 km (0.11 R)
• M18: 24,137,616 km (0.098 R)
• M19: 27,923,490 km (0.083 R)
• M20: 30,211,739 km (0.09 R)
• M21: 33,162,706 km (0.066 R)
• M22: 34,708,052 km (0.076 R)
• M23: 37,585,717 km (0.068 R)
• M24: 38,299,448 km (0.108 R)
• M25: 42,258,855 km (0.075 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 19,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit