🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.55 AU - 0.65 AU

Year: 173 Days

Day: 23.1 Hours

Environment

Temp: 131 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 68,400,078 km

• M1: 32,313 km (0.077 R)
• M2: 124,615 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.6 AU - 0.72 AU

Year: 200 Days

Day: 41.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,400,078 km

• M1: 323,131 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.76 AU - 0.84 AU

Year: 267 Days

Day: 20.8 Hours

Environment

Temp: 88 °C

Axial Tilt: 9.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.05 AU - 1.19 AU

Year: 442 Days

Day: 23.7 Hours

Environment

Temp: 15 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.09 AU - 1.59 AU

Year: 578 Days

Day: 43.5 Hours

Environment

Temp: -32 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.4

Radius: 14.3

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.7 AU - 5.42 AU

Year: 4243 Days

Day: 5.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,400,078 km

• M1: 177,872 km (0.06 R)
• M2: 1,117,346 km (0.072 R)
• M3: 1,652,009 km (0.112 R)
• M4: 3,547,564 km (0.12 R)
• M5: 4,173,033 km (0.056 R)
• M6: 4,734,773 km (0.054 R)
• M7: 6,145,331 km (0.101 R)
• M8: 7,444,738 km (0.11 R)
• M9: 11,100,012 km (0.037 R)
• M10: 11,592,189 km (0.098 R)
• M11: 14,759,326 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.7

Radius: 13.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.4 AU - 8.32 AU

Year: 7443 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 84.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,400,078 km

• M1: 171,589 km (0.058 R)
• M2: 929,302 km (0.072 R)
• M3: 1,642,285 km (0.076 R)
• M4: 2,177,247 km (0.078 R)
• M5: 4,373,793 km (0.115 R)
• M6: 4,997,915 km (0.106 R)
• M7: 5,621,738 km (0.049 R)
• M8: 6,170,463 km (0.105 R)
• M9: 8,148,446 km (0.11 R)
• M10: 10,250,297 km (0.116 R)
• M11: 12,185,495 km (0.08 R)
• M12: 19,374,271 km (0.052 R)
• M13: 21,061,435 km (0.047 R)
• M14: 23,228,660 km (0.057 R)
• M15: 24,088,249 km (0.046 R)
• M16: 31,651,917 km (0.068 R)
• M17: 32,225,326 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.5

Radius: 9.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 9.21 AU - 14.67 AU

Year: 15380 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,400,078 km

• M1: 113,246 km (0.034 R)
• M2: 1,061,846 km (0.112 R)
• M3: 1,386,024 km (0.055 R)
• M4: 1,853,966 km (0.113 R)
• M5: 2,368,134 km (0.08 R)
• M6: 3,434,169 km (0.036 R)
• M7: 5,693,545 km (0.113 R)
• M8: 6,041,510 km (0.115 R)
• M9: 6,403,686 km (0.111 R)
• M10: 7,131,779 km (0.029 R)
• M11: 10,347,236 km (0.096 R)
• M12: 10,866,640 km (0.112 R)
• M13: 14,483,617 km (0.111 R)
• M14: 15,667,684 km (0.104 R)
• M15: 24,797,941 km (0.066 R)
• M16: 30,731,143 km (0.077 R)
• M17: 36,703,838 km (0.109 R)
• M18: 40,405,487 km (0.111 R)
• M19: 43,406,720 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.6

Radius: 6.8

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 10.64 AU - 17.02 AU

Year: 19173 Days

Day: 20.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,400,078 km

• M1: 84,972 km (0.111 R)
• M2: 301,290 km (0.032 R)
• M3: 1,026,241 km (0.113 R)
• M4: 2,861,508 km (0.066 R)
• M5: 3,789,763 km (0.086 R)
• M6: 4,355,542 km (0.112 R)
• M7: 5,158,883 km (0.112 R)
• M8: 5,498,619 km (0.084 R)
• M9: 5,773,281 km (0.097 R)
• M10: 7,193,114 km (0.1 R)
• M11: 7,909,838 km (0.073 R)
• M12: 8,992,029 km (0.097 R)
• M13: 9,709,351 km (0.089 R)
• M14: 10,169,514 km (0.099 R)
• M15: 13,310,620 km (0.076 R)
• M16: 13,663,671 km (0.104 R)
• M17: 14,168,265 km (0.064 R)
• M18: 14,685,275 km (0.115 R)
• M19: 15,445,531 km (0.077 R)
• M20: 17,713,884 km (0.092 R)
• M21: 19,194,304 km (0.045 R)
• M22: 22,598,254 km (0.115 R)
• M23: 22,898,946 km (0.083 R)
• M24: 23,713,656 km (0.107 R)
• M25: 25,400,821 km (0.069 R)
• M26: 28,660,110 km (0.041 R)
• M27: 31,935,555 km (0.051 R)
• M28: 32,187,627 km (0.107 R)
• M29: 35,587,239 km (0.082 R)
• M30: 41,123,707 km (0.084 R)
• M31: 43,243,359 km (0.087 R)
• M32: 49,699,105 km (0.062 R)
• M33: 57,696,757 km (0.118 R)
• M34: 58,070,901 km (0.112 R)
• M35: 62,293,451 km (0.046 R)
• M36: 63,082,580 km (0.087 R)
• M37: 66,101,166 km (0.063 R)
• M38: 66,716,162 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.2

Radius: 8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 12.66 AU - 17.56 AU

Year: 21895 Days

Day: 18.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,400,078 km

• M1: 102,923 km (0.117 R)
• M2: 406,308 km (0.118 R)
• M3: 919,728 km (0.086 R)
• M4: 1,231,938 km (0.055 R)
• M5: 1,647,521 km (0.07 R)
• M6: 2,114,566 km (0.101 R)
• M7: 3,420,705 km (0.11 R)
• M8: 4,405,508 km (0.082 R)
• M9: 6,490,902 km (0.097 R)
• M10: 9,982,816 km (0.066 R)
• M11: 10,325,544 km (0.064 R)
• M12: 10,735,293 km (0.106 R)
• M13: 14,632,168 km (0.074 R)
• M14: 15,074,828 km (0.11 R)
• M15: 20,549,960 km (0.04 R)
• M16: 24,752,164 km (0.095 R)
• M17: 26,343,287 km (0.075 R)
• M18: 29,963,556 km (0.113 R)
• M19: 35,862,200 km (0.072 R)
• M20: 39,294,274 km (0.095 R)
• M21: 41,455,216 km (0.105 R)
• M22: 42,639,582 km (0.103 R)
• M23: 45,230,916 km (0.082 R)
• M24: 52,765,712 km (0.082 R)
• M25: 55,214,928 km (0.117 R)
• M26: 61,095,770 km (0.073 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 17,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit