🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.44 AU - 0.7 AU

Year: 151 Days

Day: 18.5 Hours

Environment

Temp: 237 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.84 AU - 1.28 AU

Year: 382 Days

Day: 36.4 Hours

Environment

Temp: 80 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.02 AU - 1.32 AU

Year: 443 Days

Day: 39.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.72 AU - 4.58 AU

Year: 2958 Days

Day: 31.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.58 AU - 4.82 AU

Year: 3565 Days

Day: 31.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 9.2

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.24 AU - 7.14 AU

Year: 5388 Days

Day: 8 Hours

Environment

Temp: -139 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,706,910 km

• M1: 114,442 km (0.1 R)
• M2: 475,871 km (0.03 R)
• M3: 833,559 km (0.039 R)
• M4: 2,532,991 km (0.107 R)
• M5: 3,103,258 km (0.043 R)
• M6: 4,323,378 km (0.08 R)
• M7: 5,110,712 km (0.113 R)
• M8: 6,499,279 km (0.083 R)
• M9: 8,124,062 km (0.091 R)
• M10: 8,708,092 km (0.118 R)
• M11: 9,614,805 km (0.056 R)
• M12: 9,959,777 km (0.065 R)
• M13: 11,044,362 km (0.118 R)
• M14: 16,177,813 km (0.089 R)
• M15: 17,290,971 km (0.076 R)
• M16: 17,995,876 km (0.025 R)
• M17: 21,959,023 km (0.072 R)
• M18: 23,789,203 km (0.049 R)
• M19: 25,636,288 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 12

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 10.18 AU - 13.88 AU

Year: 14597 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,706,910 km

• M1: 156,330 km (0.062 R)
• M2: 689,197 km (0.084 R)
• M3: 4,345,070 km (0.07 R)
• M4: 6,181,833 km (0.11 R)
• M5: 7,343,311 km (0.097 R)
• M6: 8,488,931 km (0.107 R)
• M7: 9,455,034 km (0.076 R)
• M8: 10,809,493 km (0.105 R)
• M9: 14,784,907 km (0.108 R)
• M10: 16,544,029 km (0.088 R)
• M11: 18,504,509 km (0.094 R)
• M12: 19,034,534 km (0.065 R)
• M13: 22,957,588 km (0.037 R)
• M14: 28,690,478 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 9.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 9.99 AU - 15.73 AU

Year: 16134 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,706,910 km

• M1: 126,261 km (0.043 R)
• M2: 570,267 km (0.117 R)
• M3: 983,307 km (0.095 R)
• M4: 1,916,798 km (0.068 R)
• M5: 2,283,163 km (0.083 R)
• M6: 2,921,048 km (0.112 R)
• M7: 4,550,468 km (0.119 R)
• M8: 5,706,112 km (0.032 R)
• M9: 6,963,033 km (0.073 R)
• M10: 7,701,448 km (0.025 R)
• M11: 8,635,986 km (0.101 R)
• M12: 10,231,597 km (0.111 R)
• M13: 13,140,976 km (0.072 R)
• M14: 13,929,656 km (0.118 R)
• M15: 15,673,967 km (0.053 R)
• M16: 17,637,739 km (0.106 R)
• M17: 18,273,530 km (0.108 R)
• M18: 19,930,176 km (0.041 R)
• M19: 22,506,700 km (0.067 R)
• M20: 23,730,860 km (0.107 R)
• M21: 28,203,687 km (0.076 R)
• M22: 28,745,081 km (0.069 R)
• M23: 30,980,223 km (0.109 R)
• M24: 33,208,633 km (0.104 R)
• M25: 40,122,149 km (0.046 R)
• M26: 42,200,213 km (0.047 R)
• M27: 50,752,125 km (0.088 R)
• M28: 54,674,431 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.6

Radius: 4.2

Gravity: 23.22 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 18.47 AU - 20.75 AU

Year: 30380 Days

Day: 18.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,706,910 km

• M1: 57,296 km (0.091 R)
• M2: 870,360 km (0.085 R)
• M3: 1,251,985 km (0.12 R)
• M4: 1,574,667 km (0.099 R)
• M5: 1,774,680 km (0.117 R)
• M6: 2,549,896 km (0.111 R)
• M7: 3,903,906 km (0.114 R)
• M8: 7,461,942 km (0.075 R)
• M9: 10,444,774 km (0.112 R)
• M10: 14,760,224 km (0.064 R)
• M11: 15,159,201 km (0.046 R)
• M12: 28,840,674 km (0.079 R)
• M13: 32,849,149 km (0.107 R)
• M14: 40,690,621 km (0.067 R)
• M15: 42,267,532 km (0.081 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 18,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit