🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.49 AU - 0.55 AU

Year: 114 Days

Day: 29.2 Hours

Environment

Temp: 314 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.47 AU - 0.75 AU

Year: 145 Days

Day: 20.9 Hours

Environment

Temp: 353 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.66 AU - 0.68 AU

Year: 166 Days

Day: 28.4 Hours

Environment

Temp: 284 °C

Axial Tilt: 62.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.88 AU - 2.14 AU

Year: 864 Days

Day: 22.4 Hours

Environment

Temp: 25 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.05 AU - 2.65 AU

Year: 1093 Days

Day: 36.5 Hours

Environment

Temp: -11 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 52,417,600 km

• M1: 510,727 km (0.114 R)
• M2: 1,212,790 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.33 AU - 7.09 AU

Year: 5272 Days

Day: 45.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 169.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.63 AU - 8.21 AU

Year: 5522 Days

Day: 26.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 13.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 10.3

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 11.79 AU - 14.33 AU

Year: 14316 Days

Day: 9.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,417,600 km

• M1: 128,205 km (0.058 R)
• M2: 920,924 km (0.1 R)
• M3: 1,776,475 km (0.119 R)
• M4: 2,531,944 km (0.098 R)
• M5: 3,407,690 km (0.027 R)
• M6: 4,095,990 km (0.09 R)
• M7: 5,190,897 km (0.068 R)
• M8: 7,479,594 km (0.083 R)
• M9: 8,845,722 km (0.115 R)
• M10: 10,030,388 km (0.071 R)
• M11: 11,016,088 km (0.1 R)
• M12: 11,501,832 km (0.119 R)
• M13: 11,938,359 km (0.051 R)
• M14: 12,450,881 km (0.111 R)
• M15: 13,112,104 km (0.105 R)
• M16: 14,867,635 km (0.113 R)
• M17: 15,611,884 km (0.035 R)
• M18: 20,336,783 km (0.107 R)
• M19: 21,068,317 km (0.101 R)
• M20: 23,269,201 km (0.084 R)
• M21: 23,867,592 km (0.112 R)
• M22: 25,936,830 km (0.102 R)
• M23: 27,565,203 km (0.091 R)
• M24: 28,348,049 km (0.068 R)
• M25: 29,607,962 km (0.048 R)
• M26: 34,120,432 km (0.055 R)
• M27: 40,774,545 km (0.035 R)
• M28: 42,378,833 km (0.096 R)
• M29: 43,722,371 km (0.093 R)
• M30: 45,712,921 km (0.107 R)
• M31: 49,217,849 km (0.12 R)
• M32: 50,203,998 km (0.041 R)
• M33: 53,932,875 km (0.11 R)
• M34: 56,220,825 km (0.11 R)
• M35: 58,024,377 km (0.08 R)
• M36: 63,278,852 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 22.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.8

Radius: 4.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 19.71 AU - 24.89 AU

Year: 31942 Days

Day: 25 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,417,600 km

• M1: 70,461 km (0.115 R)
• M2: 504,145 km (0.047 R)
• M3: 867,967 km (0.114 R)
• M4: 1,136,794 km (0.104 R)
• M5: 1,696,141 km (0.108 R)
• M6: 2,402,093 km (0.077 R)
• M7: 2,978,344 km (0.029 R)
• M8: 3,589,601 km (0.053 R)
• M9: 3,748,025 km (0.097 R)
• M10: 5,089,768 km (0.088 R)
• M11: 7,337,028 km (0.052 R)
• M12: 7,810,505 km (0.117 R)
• M13: 8,962,259 km (0.071 R)
• M14: 9,654,299 km (0.109 R)
• M15: 10,434,751 km (0.12 R)
• M16: 12,357,831 km (0.078 R)
• M17: 14,438,438 km (0.109 R)
• M18: 19,602,108 km (0.099 R)
• M19: 21,971,888 km (0.096 R)
• M20: 25,874,149 km (0.104 R)
• M21: 28,195,159 km (0.076 R)
• M22: 34,895,499 km (0.109 R)
• M23: 36,106,344 km (0.11 R)
• M24: 36,970,421 km (0.092 R)
• M25: 37,848,261 km (0.106 R)
• M26: 40,037,626 km (0.051 R)
• M27: 41,767,875 km (0.064 R)
• M28: 51,480,816 km (0.105 R)
• M29: 52,417,598 km (0.108 R)

Kuiper Belt

Range: 36.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 15,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit