🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.71 AU - 0.77 AU

Year: 241 Days

Day: 25.5 Hours

Environment

Temp: 114 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.74 AU - 0.9 AU

Year: 281 Days

Day: 36.9 Hours

Environment

Temp: 154 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.8 AU - 1.08 AU

Year: 345 Days

Day: 27.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,379,565 km

• M1: 307,872 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.96 AU - 1.02 AU

Year: 373 Days

Day: 39.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,379,565 km

• M1: 26,329 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.4 AU - 1.5 AU

Year: 661 Days

Day: 29.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,379,565 km

• M1: 39,943 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.75 AU - 3.15 AU

Year: 1919 Days

Day: 28.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 109.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,379,565 km

• M1: 551,867 km (0.103 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.5 AU - 4.06 AU

Year: 2250 Days

Day: 12.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 11.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.16 AU - 8.32 AU

Year: 6627 Days

Day: 11.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,379,565 km

• M1: 147,204 km (0.108 R)
• M2: 639,830 km (0.12 R)
• M3: 1,428,360 km (0.09 R)
• M4: 1,967,960 km (0.1 R)
• M5: 2,361,552 km (0.107 R)
• M6: 2,770,253 km (0.103 R)
• M7: 4,420,168 km (0.114 R)
• M8: 8,241,945 km (0.084 R)
• M9: 9,149,855 km (0.057 R)
• M10: 11,311,544 km (0.063 R)
• M11: 14,953,354 km (0.1 R)
• M12: 17,597,646 km (0.113 R)
• M13: 21,209,986 km (0.105 R)
• M14: 22,990,201 km (0.093 R)
• M15: 26,146,417 km (0.113 R)
• M16: 30,340,243 km (0.093 R)
• M17: 30,821,500 km (0.076 R)
• M18: 32,596,478 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 6.1

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 10.5 AU - 16.78 AU

Year: 19080 Days

Day: 21.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,379,565 km

• M1: 75,846 km (0.109 R)
• M2: 275,709 km (0.079 R)
• M3: 498,610 km (0.047 R)
• M4: 954,734 km (0.119 R)
• M5: 1,387,819 km (0.08 R)
• M6: 2,546,305 km (0.084 R)
• M7: 3,106,849 km (0.071 R)
• M8: 3,514,802 km (0.098 R)
• M9: 3,716,909 km (0.074 R)
• M10: 6,026,401 km (0.108 R)
• M11: 8,935,481 km (0.11 R)
• M12: 9,258,911 km (0.065 R)
• M13: 10,159,640 km (0.11 R)
• M14: 11,117,515 km (0.064 R)
• M15: 13,004,692 km (0.091 R)
• M16: 16,022,830 km (0.114 R)
• M17: 18,593,071 km (0.111 R)
• M18: 22,298,759 km (0.12 R)
• M19: 25,488,635 km (0.026 R)
• M20: 26,912,208 km (0.104 R)
• M21: 29,917,031 km (0.079 R)
• M22: 30,277,562 km (0.097 R)
• M23: 35,098,054 km (0.09 R)
• M24: 39,678,741 km (0.094 R)
• M25: 42,036,702 km (0.057 R)
• M26: 45,746,131 km (0.062 R)
• M27: 48,007,752 km (0.114 R)
• M28: 56,326,590 km (0.083 R)
• M29: 57,429,426 km (0.107 R)
• M30: 61,017,082 km (0.119 R)
• M31: 71,379,577 km (0.111 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: 487 - 14,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit