🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.69 AU - 0.91 AU

Year: 255 Days

Day: 39.5 Hours

Environment

Temp: 186 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.15 AU - 1.89 AU

Year: 668 Days

Day: 24.4 Hours

Environment

Temp: -23 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.58 AU - 2.12 AU

Year: 897 Days

Day: 22.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,893,384 km

• M1: 1,213,837 km (0.047 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.29 AU - 3.59 AU

Year: 1797 Days

Day: 22.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.34 AU - 4.48 AU

Year: 3301 Days

Day: 28.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 12.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.24 AU - 5.56 AU

Year: 4473 Days

Day: 7.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 130.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,893,384 km

• M1: 160,369 km (0.083 R)
• M2: 599,588 km (0.074 R)
• M3: 1,145,321 km (0.085 R)
• M4: 2,208,513 km (0.115 R)
• M5: 2,777,584 km (0.084 R)
• M6: 3,402,604 km (0.102 R)
• M7: 4,652,643 km (0.077 R)
• M8: 5,122,381 km (0.054 R)
• M9: 5,623,683 km (0.044 R)
• M10: 7,432,172 km (0.067 R)
• M11: 8,796,953 km (0.111 R)
• M12: 10,235,935 km (0.098 R)
• M13: 10,674,556 km (0.082 R)
• M14: 11,217,447 km (0.109 R)
• M15: 11,874,181 km (0.098 R)
• M16: 12,957,719 km (0.117 R)
• M17: 14,376,505 km (0.085 R)
• M18: 14,816,173 km (0.068 R)
• M19: 16,071,748 km (0.105 R)
• M20: 17,335,252 km (0.032 R)
• M21: 19,121,600 km (0.088 R)
• M22: 19,788,358 km (0.088 R)
• M23: 21,810,173 km (0.078 R)
• M24: 22,834,021 km (0.058 R)
• M25: 25,935,932 km (0.091 R)
• M26: 27,926,332 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 14.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.84 AU - 8.42 AU

Year: 7512 Days

Day: 6.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,893,384 km

• M1: 193,430 km (0.064 R)
• M2: 794,664 km (0.093 R)
• M3: 1,274,574 km (0.12 R)
• M4: 2,050,688 km (0.106 R)
• M5: 2,515,787 km (0.049 R)
• M6: 3,126,745 km (0.102 R)
• M7: 4,675,083 km (0.034 R)
• M8: 5,634,005 km (0.102 R)
• M9: 6,160,740 km (0.082 R)
• M10: 8,913,041 km (0.093 R)
• M11: 10,087,983 km (0.101 R)
• M12: 11,501,683 km (0.099 R)
• M13: 12,064,619 km (0.085 R)
• M14: 15,160,697 km (0.097 R)
• M15: 17,497,865 km (0.071 R)
• M16: 21,021,792 km (0.056 R)
• M17: 21,581,288 km (0.04 R)
• M18: 22,584,491 km (0.056 R)
• M19: 23,543,563 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.7

Radius: 3.1

Gravity: 103.51 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 11.98 AU - 15.88 AU

Year: 18532 Days

Day: 21.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,893,384 km

• M1: 61,036 km (0.072 R)
• M2: 380,128 km (0.12 R)
• M3: 492,476 km (0.118 R)
• M4: 1,047,484 km (0.116 R)
• M5: 2,572,635 km (0.076 R)
• M6: 3,115,974 km (0.078 R)
• M7: 3,986,334 km (0.083 R)
• M8: 5,435,938 km (0.115 R)
• M9: 6,190,061 km (0.06 R)
• M10: 6,546,552 km (0.119 R)
• M11: 7,106,796 km (0.063 R)
• M12: 9,091,063 km (0.053 R)
• M13: 10,026,797 km (0.104 R)
• M14: 10,455,694 km (0.066 R)
• M15: 11,154,167 km (0.086 R)
• M16: 14,336,712 km (0.083 R)
• M17: 14,802,111 km (0.092 R)
• M18: 17,280,798 km (0.119 R)
• M19: 19,641,452 km (0.055 R)
• M20: 22,830,580 km (0.108 R)
• M21: 27,874,721 km (0.048 R)
• M22: 33,208,035 km (0.105 R)
• M23: 35,970,808 km (0.115 R)
• M24: 42,263,343 km (0.115 R)
• M25: 50,130,396 km (0.09 R)
• M26: 52,832,732 km (0.105 R)
• M27: 81,158,939 km (0.116 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 20,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit