🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.41 AU - 0.67 AU

Year: 168 Days

Day: 14.7 Hours

Environment

Temp: 129 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,353,333 km

• M1: 264,938 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.49 AU - 0.77 AU

Year: 212 Days

Day: 36.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 48.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.53 AU - 1.77 AU

Year: 900 Days

Day: 28.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,353,333 km

• M1: 1,045,240 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.87 AU - 2.79 AU

Year: 1510 Days

Day: 23.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,353,333 km

• M1: 184,903 km (0.055 R)

Asteroid Belt

Center: 3.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 14.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.59 AU - 4.79 AU

Year: 3642 Days

Day: 10.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 171.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,353,333 km

• M1: 185,352 km (0.116 R)
• M2: 804,986 km (0.082 R)
• M3: 2,038,720 km (0.109 R)
• M4: 2,701,588 km (0.112 R)
• M5: 3,413,674 km (0.113 R)
• M6: 3,895,229 km (0.094 R)
• M7: 4,925,809 km (0.087 R)
• M8: 6,076,516 km (0.116 R)
• M9: 6,999,086 km (0.051 R)
• M10: 10,373,116 km (0.072 R)
• M11: 13,399,032 km (0.069 R)
• M12: 15,267,809 km (0.111 R)
• M13: 15,734,704 km (0.09 R)
• M14: 16,480,150 km (0.1 R)
• M15: 18,214,588 km (0.105 R)
• M16: 19,215,996 km (0.092 R)
• M17: 19,822,017 km (0.09 R)
• M18: 21,328,767 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 8

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.46 AU - 5.16 AU

Year: 3799 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,353,333 km

• M1: 99,782 km (0.063 R)
• M2: 387,010 km (0.113 R)
• M3: 914,641 km (0.078 R)
• M4: 1,262,456 km (0.11 R)
• M5: 1,542,055 km (0.037 R)
• M6: 2,201,333 km (0.114 R)
• M7: 2,967,573 km (0.041 R)
• M8: 4,569,766 km (0.109 R)
• M9: 5,414,994 km (0.096 R)
• M10: 5,674,696 km (0.057 R)
• M11: 5,942,626 km (0.092 R)
• M12: 6,219,083 km (0.114 R)
• M13: 6,797,877 km (0.064 R)
• M14: 7,100,513 km (0.109 R)
• M15: 8,129,747 km (0.06 R)
• M16: 8,470,979 km (0.101 R)
• M17: 9,218,670 km (0.104 R)
• M18: 10,087,085 km (0.1 R)
• M19: 12,744,691 km (0.113 R)
• M20: 14,906,829 km (0.118 R)
• M21: 16,047,962 km (0.075 R)
• M22: 18,620,447 km (0.112 R)
• M23: 20,501,640 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 10.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.41 AU - 9.21 AU

Year: 11103 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,353,333 km

• M1: 126,261 km (0.096 R)
• M2: 464,202 km (0.089 R)
• M3: 909,405 km (0.108 R)
• M4: 1,316,461 km (0.076 R)
• M5: 1,692,850 km (0.117 R)
• M6: 2,193,853 km (0.111 R)
• M7: 4,426,152 km (0.087 R)
• M8: 4,965,602 km (0.113 R)
• M9: 5,997,229 km (0.11 R)
• M10: 8,435,375 km (0.073 R)
• M11: 11,196,653 km (0.099 R)
• M12: 11,802,524 km (0.11 R)
• M13: 13,382,128 km (0.109 R)
• M14: 13,876,100 km (0.089 R)
• M15: 14,382,190 km (0.087 R)
• M16: 15,098,165 km (0.06 R)
• M17: 19,664,341 km (0.112 R)
• M18: 20,627,751 km (0.112 R)
• M19: 23,439,294 km (0.101 R)
• M20: 30,019,655 km (0.058 R)
• M21: 30,759,865 km (0.114 R)
• M22: 35,342,347 km (0.119 R)
• M23: 37,368,950 km (0.06 R)
• M24: 40,105,244 km (0.094 R)
• M25: 43,105,729 km (0.106 R)
• M26: 43,912,361 km (0.117 R)
• M27: 44,455,700 km (0.085 R)
• M28: 45,141,307 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.5

Radius: 3.3

Gravity: 59.83 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 11.24 AU - 12.24 AU

Year: 17080 Days

Day: 16.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,353,333 km

• M1: 42,486 km (0.115 R)
• M2: 1,734,139 km (0.095 R)
• M3: 2,007,753 km (0.075 R)
• M4: 2,125,038 km (0.091 R)
• M5: 2,805,110 km (0.089 R)
• M6: 2,927,032 km (0.113 R)
• M7: 3,478,300 km (0.087 R)
• M8: 4,646,360 km (0.094 R)
• M9: 5,063,738 km (0.116 R)
• M10: 6,592,928 km (0.113 R)
• M11: 6,808,947 km (0.106 R)
• M12: 7,863,762 km (0.056 R)
• M13: 8,404,708 km (0.095 R)
• M14: 9,451,145 km (0.054 R)
• M15: 11,240,186 km (0.043 R)
• M16: 14,653,261 km (0.045 R)
• M17: 31,252,790 km (0.103 R)
• M18: 33,228,679 km (0.104 R)
• M19: 37,019,339 km (0.098 R)
• M20: 47,334,412 km (0.048 R)
• M21: 50,598,637 km (0.034 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 18,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit