🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.57 AU - 0.57 AU

Year: 163 Days

Day: 40.1 Hours

Environment

Temp: 213 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.69 AU - 1.05 AU

Year: 307 Days

Day: 21.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 86,259,203 km

• M1: 224,397 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.17 AU - 1.41 AU

Year: 555 Days

Day: 31.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,259,203 km

• M1: 151,692 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.18 AU - 1.48 AU

Year: 581 Days

Day: 18 Hours

Environment

Temp: -37 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.76 AU - 1.92 AU

Year: 945 Days

Day: 47.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.9

Radius: 12.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.21 AU - 8.17 AU

Year: 8077 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,259,203 km

• M1: 153,039 km (0.093 R)
• M2: 564,732 km (0.072 R)
• M3: 1,037,910 km (0.073 R)
• M4: 1,869,973 km (0.077 R)
• M5: 3,084,858 km (0.111 R)
• M6: 4,151,042 km (0.114 R)
• M7: 7,193,563 km (0.069 R)
• M8: 7,713,416 km (0.118 R)
• M9: 10,048,339 km (0.083 R)
• M10: 12,705,347 km (0.089 R)
• M11: 13,466,501 km (0.113 R)
• M12: 14,633,365 km (0.041 R)
• M13: 16,680,312 km (0.073 R)
• M14: 17,664,666 km (0.087 R)
• M15: 18,612,967 km (0.105 R)
• M16: 23,695,854 km (0.112 R)
• M17: 24,490,368 km (0.093 R)
• M18: 25,485,493 km (0.113 R)
• M19: 27,363,545 km (0.103 R)
• M20: 27,847,195 km (0.108 R)
• M21: 34,327,326 km (0.033 R)
• M22: 37,320,779 km (0.109 R)
• M23: 39,369,672 km (0.098 R)
• M24: 40,359,262 km (0.105 R)
• M25: 41,619,624 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.2

Radius: 6.2

Gravity: 17.62 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 15.23 AU - 16.11 AU

Year: 23494 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,259,203 km

• M1: 103,671 km (0.055 R)
• M2: 339,438 km (0.031 R)
• M3: 673,789 km (0.11 R)
• M4: 1,347,578 km (0.03 R)
• M5: 1,792,482 km (0.117 R)
• M6: 2,197,892 km (0.075 R)
• M7: 2,422,438 km (0.119 R)
• M8: 2,918,206 km (0.059 R)
• M9: 3,390,785 km (0.091 R)
• M10: 3,660,959 km (0.107 R)
• M11: 3,913,181 km (0.069 R)
• M12: 5,001,805 km (0.103 R)
• M13: 5,513,579 km (0.096 R)
• M14: 5,887,873 km (0.092 R)
• M15: 8,554,006 km (0.105 R)
• M16: 9,169,901 km (0.12 R)
• M17: 10,118,052 km (0.059 R)
• M18: 11,064,707 km (0.055 R)
• M19: 12,987,489 km (0.113 R)
• M20: 14,027,792 km (0.092 R)
• M21: 23,877,915 km (0.071 R)
• M22: 25,891,352 km (0.107 R)
• M23: 26,121,883 km (0.096 R)
• M24: 27,894,318 km (0.1 R)
• M25: 32,606,352 km (0.111 R)
• M26: 41,330,451 km (0.099 R)
• M27: 44,387,035 km (0.103 R)
• M28: 45,886,005 km (0.075 R)
• M29: 49,161,002 km (0.067 R)
• M30: 50,405,955 km (0.057 R)
• M31: 54,266,328 km (0.051 R)
• M32: 58,517,002 km (0.114 R)
• M33: 66,372,835 km (0.108 R)
• M34: 70,327,605 km (0.064 R)
• M35: 81,883,143 km (0.045 R)
• M36: 84,387,261 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.2

Radius: 4.2

Gravity: 34.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 15.51 AU - 17.73 AU

Year: 25662 Days

Day: 24.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,259,203 km

• M1: 53,107 km (0.054 R)
• M2: 190,288 km (0.109 R)
• M3: 828,024 km (0.036 R)
• M4: 1,060,649 km (0.106 R)
• M5: 1,730,249 km (0.116 R)
• M6: 3,440,452 km (0.058 R)
• M7: 4,745,394 km (0.094 R)
• M8: 7,546,913 km (0.107 R)
• M9: 8,498,057 km (0.097 R)
• M10: 9,645,772 km (0.12 R)
• M11: 11,827,357 km (0.116 R)
• M12: 12,526,578 km (0.092 R)
• M13: 25,403,962 km (0.113 R)
• M14: 25,748,636 km (0.117 R)
• M15: 25,980,064 km (0.105 R)
• M16: 33,588,163 km (0.117 R)
• M17: 53,368,741 km (0.107 R)
• M18: 59,000,353 km (0.099 R)
• M19: 61,236,093 km (0.094 R)
• M20: 68,060,000 km (0.107 R)
• M21: 79,218,655 km (0.049 R)
• M22: 80,693,839 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 16,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit