🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.53 AU - 0.89 AU

Year: 228 Days

Day: 38.5 Hours

Environment

Temp: 115 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.09 AU - 1.23 AU

Year: 476 Days

Day: 34.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.72 AU - 2.36 AU

Year: 1110 Days

Day: 14.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,392,650 km

• M1: 59,241 km (0.049 R)
• M2: 1,203,814 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.08 AU - 3.28 AU

Year: 2159 Days

Day: 41.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.01 AU - 3.63 AU

Year: 2304 Days

Day: 16.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 8

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.98 AU - 4.38 AU

Year: 3254 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,392,650 km

• M1: 99,931 km (0.11 R)
• M2: 356,492 km (0.036 R)
• M3: 741,108 km (0.117 R)
• M4: 1,455,288 km (0.095 R)
• M5: 2,213,450 km (0.098 R)
• M6: 2,582,209 km (0.06 R)
• M7: 2,850,288 km (0.07 R)
• M8: 3,249,715 km (0.098 R)
• M9: 4,319,938 km (0.057 R)
• M10: 5,581,347 km (0.053 R)
• M11: 8,048,964 km (0.048 R)
• M12: 11,608,346 km (0.107 R)
• M13: 13,306,132 km (0.086 R)
• M14: 13,907,067 km (0.11 R)
• M15: 14,473,744 km (0.076 R)
• M16: 20,090,695 km (0.098 R)
• M17: 20,417,716 km (0.106 R)
• M18: 20,814,749 km (0.098 R)
• M19: 23,234,644 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 13.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.97 AU - 7.37 AU

Year: 7311 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,392,650 km

• M1: 171,589 km (0.084 R)
• M2: 876,793 km (0.07 R)
• M3: 1,598,603 km (0.088 R)
• M4: 2,071,033 km (0.114 R)
• M5: 3,538,289 km (0.09 R)
• M6: 4,664,162 km (0.119 R)
• M7: 5,170,701 km (0.095 R)
• M8: 6,085,342 km (0.09 R)
• M9: 6,877,762 km (0.105 R)
• M10: 7,456,556 km (0.099 R)
• M11: 8,236,560 km (0.108 R)
• M12: 9,815,266 km (0.103 R)
• M13: 11,802,973 km (0.1 R)
• M14: 12,353,343 km (0.082 R)
• M15: 14,230,348 km (0.057 R)
• M16: 15,824,164 km (0.099 R)
• M17: 19,288,401 km (0.075 R)
• M18: 20,837,787 km (0.084 R)
• M19: 24,359,021 km (0.05 R)
• M20: 25,433,882 km (0.076 R)
• M21: 25,983,056 km (0.091 R)
• M22: 28,749,719 km (0.094 R)
• M23: 30,153,396 km (0.118 R)
• M24: 32,237,144 km (0.061 R)
• M25: 34,304,138 km (0.111 R)
• M26: 41,033,948 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 12

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.39 AU - 10.49 AU

Year: 12845 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,392,650 km

• M1: 149,299 km (0.083 R)
• M2: 525,837 km (0.12 R)
• M3: 1,321,847 km (0.1 R)
• M4: 2,839,218 km (0.092 R)
• M5: 3,457,656 km (0.09 R)
• M6: 4,583,679 km (0.095 R)
• M7: 5,334,062 km (0.045 R)
• M8: 5,866,331 km (0.106 R)
• M9: 6,512,145 km (0.114 R)
• M10: 8,173,878 km (0.108 R)
• M11: 8,594,547 km (0.109 R)
• M12: 9,996,728 km (0.108 R)
• M13: 12,317,440 km (0.044 R)
• M14: 19,362,004 km (0.119 R)
• M15: 20,365,656 km (0.106 R)
• M16: 21,580,091 km (0.12 R)
• M17: 22,115,053 km (0.113 R)
• M18: 22,567,587 km (0.115 R)
• M19: 23,304,655 km (0.107 R)
• M20: 23,773,346 km (0.077 R)
• M21: 24,923,903 km (0.071 R)
• M22: 27,857,517 km (0.118 R)
• M23: 28,492,111 km (0.086 R)
• M24: 29,571,011 km (0.033 R)
• M25: 31,581,457 km (0.11 R)
• M26: 33,443,651 km (0.068 R)
• M27: 36,122,201 km (0.08 R)
• M28: 40,134,865 km (0.093 R)
• M29: 40,808,803 km (0.098 R)
• M30: 42,456,923 km (0.093 R)
• M31: 51,368,618 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.3

Radius: 9.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.56 AU - 10.86 AU

Year: 13347 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,392,650 km

• M1: 120,725 km (0.052 R)
• M2: 2,651,622 km (0.116 R)
• M3: 3,615,781 km (0.113 R)
• M4: 3,917,519 km (0.091 R)
• M5: 4,696,476 km (0.065 R)
• M6: 6,750,155 km (0.03 R)
• M7: 8,376,583 km (0.118 R)
• M8: 9,142,375 km (0.06 R)
• M9: 10,550,091 km (0.066 R)
• M10: 11,169,875 km (0.08 R)
• M11: 20,820,732 km (0.08 R)
• M12: 21,584,130 km (0.089 R)
• M13: 23,536,981 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.1

Radius: 6.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 14.92 AU - 22.52 AU

Year: 30843 Days

Day: 17.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 153.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,392,650 km

• M1: 125,961 km (0.066 R)
• M2: 578,196 km (0.065 R)
• M3: 830,418 km (0.113 R)
• M4: 1,402,031 km (0.093 R)
• M5: 1,712,447 km (0.09 R)
• M6: 2,433,658 km (0.082 R)
• M7: 3,766,874 km (0.07 R)
• M8: 4,605,071 km (0.117 R)
• M9: 5,360,541 km (0.073 R)
• M10: 5,908,218 km (0.12 R)
• M11: 7,607,201 km (0.114 R)
• M12: 10,158,144 km (0.087 R)
• M13: 13,289,976 km (0.072 R)
• M14: 14,099,599 km (0.073 R)
• M15: 15,476,049 km (0.081 R)
• M16: 16,162,105 km (0.114 R)
• M17: 19,187,872 km (0.12 R)
• M18: 21,123,668 km (0.082 R)
• M19: 23,902,299 km (0.099 R)
• M20: 24,725,686 km (0.093 R)
• M21: 28,107,794 km (0.113 R)
• M22: 30,811,177 km (0.073 R)
• M23: 31,242,019 km (0.12 R)
• M24: 32,669,632 km (0.083 R)
• M25: 36,970,271 km (0.111 R)
• M26: 38,318,148 km (0.106 R)
• M27: 40,981,738 km (0.099 R)
• M28: 46,110,701 km (0.096 R)
• M29: 48,103,345 km (0.081 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit