🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.57 AU - 0.71 AU

Year: 194 Days

Day: 46.7 Hours

Environment

Temp: 202 °C

Axial Tilt: 7.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 107,326,388 km

• M1: 441,314 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.92 AU - 1.04 AU

Year: 367 Days

Day: 31.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.8 AU - 2.22 AU

Year: 1079 Days

Day: 15.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 107,326,388 km

• M1: 855,999 km (0.117 R)
• M2: 1,500,467 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.71 AU - 2.49 AU

Year: 1153 Days

Day: 13.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 13

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.19 AU - 7.39 AU

Year: 5975 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 107,326,388 km

• M1: 161,715 km (0.057 R)
• M2: 1,415,196 km (0.105 R)
• M3: 2,395,062 km (0.075 R)
• M4: 2,886,491 km (0.085 R)
• M5: 3,716,011 km (0.106 R)
• M6: 4,405,358 km (0.054 R)
• M7: 5,628,919 km (0.058 R)
• M8: 7,103,655 km (0.109 R)
• M9: 8,049,113 km (0.057 R)
• M10: 8,697,171 km (0.115 R)
• M11: 9,914,748 km (0.092 R)
• M12: 12,209,729 km (0.111 R)
• M13: 12,956,971 km (0.062 R)
• M14: 14,542,858 km (0.119 R)
• M15: 18,233,886 km (0.106 R)
• M16: 20,075,286 km (0.118 R)
• M17: 20,815,497 km (0.088 R)
• M18: 21,344,325 km (0.084 R)
• M19: 22,193,592 km (0.047 R)
• M20: 22,825,344 km (0.027 R)
• M21: 30,782,604 km (0.056 R)
• M22: 32,166,833 km (0.099 R)
• M23: 32,772,555 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 10.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.39 AU - 9.41 AU

Year: 10915 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 107,326,388 km

• M1: 129,552 km (0.066 R)
• M2: 730,187 km (0.084 R)
• M3: 1,190,350 km (0.108 R)
• M4: 1,609,075 km (0.064 R)
• M5: 2,693,659 km (0.109 R)
• M6: 3,274,099 km (0.088 R)
• M7: 5,108,618 km (0.091 R)
• M8: 7,357,822 km (0.119 R)
• M9: 7,814,245 km (0.111 R)
• M10: 9,473,734 km (0.093 R)
• M11: 20,569,258 km (0.113 R)
• M12: 23,208,763 km (0.089 R)
• M13: 23,696,901 km (0.105 R)
• M14: 24,108,894 km (0.047 R)
• M15: 36,577,278 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.9

Radius: 7.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.48 AU - 14.88 AU

Year: 16100 Days

Day: 21.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 107,326,388 km

• M1: 97,089 km (0.104 R)
• M2: 495,917 km (0.114 R)
• M3: 1,337,704 km (0.076 R)
• M4: 1,744,012 km (0.103 R)
• M5: 2,385,188 km (0.085 R)
• M6: 2,673,763 km (0.117 R)
• M7: 3,055,387 km (0.11 R)
• M8: 4,391,894 km (0.068 R)
• M9: 7,110,985 km (0.085 R)
• M10: 7,889,792 km (0.115 R)
• M11: 9,514,125 km (0.093 R)
• M12: 9,822,297 km (0.098 R)
• M13: 18,253,783 km (0.11 R)
• M14: 23,305,553 km (0.111 R)
• M15: 24,724,339 km (0.117 R)
• M16: 25,800,546 km (0.111 R)
• M17: 31,427,670 km (0.111 R)
• M18: 35,070,977 km (0.114 R)
• M19: 35,683,879 km (0.066 R)
• M20: 41,524,928 km (0.061 R)
• M21: 42,073,055 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.9

Radius: 4.6

Gravity: 44.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 17.54 AU - 18.08 AU

Year: 28467 Days

Day: 15.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 107,326,388 km

• M1: 59,091 km (0.037 R)
• M2: 315,352 km (0.09 R)
• M3: 652,097 km (0.09 R)
• M4: 1,008,589 km (0.087 R)
• M5: 1,773,782 km (0.11 R)
• M6: 2,839,218 km (0.112 R)
• M7: 4,348,212 km (0.094 R)
• M8: 5,896,998 km (0.1 R)
• M9: 7,236,049 km (0.12 R)
• M10: 9,319,947 km (0.075 R)
• M11: 13,546,536 km (0.101 R)
• M12: 13,708,700 km (0.119 R)
• M13: 17,904,172 km (0.114 R)
• M14: 18,694,199 km (0.099 R)
• M15: 22,652,858 km (0.117 R)
• M16: 27,393,764 km (0.115 R)
• M17: 34,084,528 km (0.088 R)
• M18: 41,786,724 km (0.1 R)
• M19: 63,409,301 km (0.067 R)
• M20: 69,966,027 km (0.062 R)
• M21: 88,585,726 km (0.082 R)
• M22: 92,317,893 km (0.105 R)
• M23: 107,004,963 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 17,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit