🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.53 AU - 0.77 AU

Year: 198 Days

Day: 39.4 Hours

Environment

Temp: 150 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.64 AU - 0.78 AU

Year: 227 Days

Day: 44.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.85 AU - 0.91 AU

Year: 313 Days

Day: 23.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.96 AU - 1.1 AU

Year: 396 Days

Day: 24.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 74.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.79 AU - 2.69 AU

Year: 1270 Days

Day: 47.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.7 AU - 2.92 AU

Year: 1784 Days

Day: 28.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 8.8

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.09 AU - 5.39 AU

Year: 4543 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,717,556 km

• M1: 109,954 km (0.058 R)
• M2: 715,826 km (0.088 R)
• M3: 1,242,111 km (0.113 R)
• M4: 1,672,953 km (0.118 R)
• M5: 2,947,527 km (0.108 R)
• M6: 3,589,451 km (0.032 R)
• M7: 3,989,775 km (0.069 R)
• M8: 4,494,219 km (0.038 R)
• M9: 5,659,886 km (0.085 R)
• M10: 6,650,074 km (0.102 R)
• M11: 7,394,922 km (0.09 R)
• M12: 7,970,724 km (0.066 R)
• M13: 8,422,061 km (0.115 R)
• M14: 9,541,352 km (0.116 R)
• M15: 11,076,376 km (0.108 R)
• M16: 11,830,349 km (0.073 R)
• M17: 12,269,269 km (0.066 R)
• M18: 13,864,581 km (0.092 R)
• M19: 16,904,859 km (0.119 R)
• M20: 17,337,196 km (0.034 R)
• M21: 18,352,816 km (0.056 R)
• M22: 19,007,307 km (0.093 R)
• M23: 20,782,136 km (0.053 R)
• M24: 21,349,860 km (0.077 R)
• M25: 24,344,361 km (0.054 R)
• M26: 25,054,801 km (0.025 R)
• M27: 26,351,815 km (0.115 R)
• M28: 27,184,775 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.3

Radius: 3.2

Gravity: 67.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 14.02 AU - 15.44 AU

Year: 21412 Days

Day: 15.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 79,717,556 km

• M1: 40,691 km (0.1 R)
• M2: 249,230 km (0.109 R)
• M3: 496,815 km (0.071 R)
• M4: 876,644 km (0.044 R)
• M5: 1,060,649 km (0.112 R)
• M6: 1,197,232 km (0.096 R)
• M7: 1,314,816 km (0.107 R)
• M8: 1,608,028 km (0.088 R)
• M9: 2,749,758 km (0.093 R)
• M10: 3,008,563 km (0.063 R)
• M11: 3,788,267 km (0.113 R)
• M12: 9,073,709 km (0.107 R)
• M13: 10,547,099 km (0.089 R)
• M14: 10,986,617 km (0.043 R)
• M15: 13,080,389 km (0.046 R)
• M16: 14,334,468 km (0.064 R)
• M17: 14,873,320 km (0.05 R)
• M18: 15,345,899 km (0.119 R)
• M19: 16,404,005 km (0.098 R)
• M20: 17,250,130 km (0.104 R)
• M21: 20,731,572 km (0.093 R)
• M22: 21,619,735 km (0.102 R)
• M23: 24,003,876 km (0.089 R)
• M24: 24,544,373 km (0.042 R)
• M25: 25,314,802 km (0.104 R)
• M26: 27,252,244 km (0.083 R)
• M27: 29,779,401 km (0.114 R)
• M28: 31,548,097 km (0.078 R)
• M29: 34,194,483 km (0.063 R)
• M30: 35,991,752 km (0.068 R)
• M31: 36,415,263 km (0.106 R)
• M32: 37,416,372 km (0.079 R)
• M33: 38,435,732 km (0.084 R)
• M34: 40,529,654 km (0.097 R)
• M35: 43,811,083 km (0.112 R)
• M36: 46,928,553 km (0.101 R)
• M37: 47,096,701 km (0.062 R)
• M38: 48,284,358 km (0.109 R)
• M39: 50,015,505 km (0.104 R)
• M40: 52,870,580 km (0.076 R)
• M41: 63,716,575 km (0.075 R)
• M42: 66,642,261 km (0.052 R)
• M43: 69,002,766 km (0.108 R)
• M44: 78,055,980 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 18,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit