🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.53 AU - 0.65 AU

Year: 172 Days

Day: 23.1 Hours

Environment

Temp: 155 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.5 AU - 2.4 AU

Year: 1031 Days

Day: 40.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.39 AU - 4.55 AU

Year: 2996 Days

Day: 21.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,511,383 km

• M1: 109,356 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.3 AU - 5.08 AU

Year: 3248 Days

Day: 33.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.7

Radius: 13

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.1 AU - 6.3 AU

Year: 4491 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,511,383 km

• M1: 173,234 km (0.071 R)
• M2: 629,807 km (0.107 R)
• M3: 1,054,815 km (0.108 R)
• M4: 1,476,232 km (0.107 R)
• M5: 1,893,161 km (0.098 R)
• M6: 2,483,624 km (0.09 R)
• M7: 2,920,001 km (0.095 R)
• M8: 5,156,639 km (0.094 R)
• M9: 5,618,746 km (0.03 R)
• M10: 6,564,055 km (0.08 R)
• M11: 7,374,277 km (0.064 R)
• M12: 8,105,512 km (0.097 R)
• M13: 9,038,404 km (0.098 R)
• M14: 9,551,226 km (0.105 R)
• M15: 9,958,730 km (0.077 R)
• M16: 10,591,978 km (0.112 R)
• M17: 11,615,078 km (0.032 R)
• M18: 12,221,847 km (0.093 R)
• M19: 13,857,550 km (0.086 R)
• M20: 16,202,197 km (0.079 R)
• M21: 16,960,359 km (0.102 R)
• M22: 20,906,003 km (0.07 R)
• M23: 21,525,638 km (0.075 R)
• M24: 25,115,987 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 11.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.67 AU - 5.93 AU

Year: 4621 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,511,383 km

• M1: 145,409 km (0.032 R)
• M2: 636,838 km (0.098 R)
• M3: 2,037,673 km (0.093 R)
• M4: 2,711,312 km (0.058 R)
• M5: 3,464,687 km (0.12 R)
• M6: 4,017,750 km (0.082 R)
• M7: 4,970,539 km (0.081 R)
• M8: 5,357,549 km (0.071 R)
• M9: 5,975,986 km (0.098 R)
• M10: 6,543,261 km (0.097 R)
• M11: 7,111,883 km (0.104 R)
• M12: 7,497,097 km (0.117 R)
• M13: 9,098,542 km (0.049 R)
• M14: 10,241,769 km (0.078 R)
• M15: 10,825,201 km (0.117 R)
• M16: 13,918,287 km (0.091 R)
• M17: 14,973,400 km (0.061 R)
• M18: 15,666,787 km (0.061 R)
• M19: 16,502,740 km (0.111 R)
• M20: 17,055,504 km (0.07 R)
• M21: 18,656,350 km (0.047 R)
• M22: 19,663,593 km (0.095 R)
• M23: 21,859,839 km (0.107 R)
• M24: 23,207,566 km (0.074 R)
• M25: 28,274,596 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.3

Radius: 7.1

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.24 AU - 14.06 AU

Year: 18061 Days

Day: 23 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,511,383 km

• M1: 88,263 km (0.091 R)
• M2: 357,988 km (0.074 R)
• M3: 693,835 km (0.082 R)
• M4: 976,874 km (0.088 R)
• M5: 1,518,718 km (0.112 R)
• M6: 2,169,319 km (0.075 R)
• M7: 2,654,016 km (0.085 R)
• M8: 3,487,575 km (0.112 R)
• M9: 3,979,004 km (0.078 R)
• M10: 4,672,989 km (0.06 R)
• M11: 7,368,593 km (0.051 R)
• M12: 8,130,495 km (0.088 R)
• M13: 9,446,657 km (0.117 R)
• M14: 10,128,673 km (0.112 R)
• M15: 11,649,186 km (0.114 R)
• M16: 14,307,690 km (0.062 R)
• M17: 16,586,365 km (0.089 R)
• M18: 22,668,117 km (0.079 R)
• M19: 26,354,507 km (0.082 R)
• M20: 26,867,478 km (0.113 R)
• M21: 28,339,372 km (0.101 R)
• M22: 29,532,864 km (0.088 R)
• M23: 31,672,861 km (0.087 R)
• M24: 32,019,928 km (0.071 R)
• M25: 34,277,211 km (0.092 R)
• M26: 37,149,190 km (0.062 R)
• M27: 40,177,650 km (0.084 R)
• M28: 41,544,226 km (0.11 R)
• M29: 41,821,132 km (0.088 R)
• M30: 47,622,986 km (0.086 R)
• M31: 48,690,666 km (0.082 R)
• M32: 51,349,619 km (0.12 R)
• M33: 54,434,327 km (0.073 R)
• M34: 55,601,190 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.3

Radius: 5.3

Gravity: 16.92 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 13.3 AU - 18.86 AU

Year: 24422 Days

Day: 24.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,511,383 km

• M1: 65,973 km (0.093 R)
• M2: 335,997 km (0.058 R)
• M3: 680,970 km (0.111 R)
• M4: 851,661 km (0.047 R)
• M5: 2,705,477 km (0.117 R)
• M6: 4,986,845 km (0.035 R)
• M7: 21,971,290 km (0.107 R)
• M8: 22,272,281 km (0.104 R)
• M9: 32,374,475 km (0.035 R)
• M10: 35,305,845 km (0.069 R)
• M11: 49,143,349 km (0.114 R)
• M12: 50,176,472 km (0.078 R)
• M13: 51,400,033 km (0.086 R)
• M14: 53,182,342 km (0.115 R)
• M15: 73,324,349 km (0.088 R)
• M16: 76,266,341 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.3

Radius: 7.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 14.1 AU - 20.5 AU

Year: 27253 Days

Day: 20.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,511,383 km

• M1: 88,263 km (0.08 R)
• M2: 310,565 km (0.063 R)
• M3: 643,271 km (0.09 R)
• M4: 2,487,513 km (0.069 R)
• M5: 2,903,695 km (0.116 R)
• M6: 3,289,208 km (0.113 R)
• M7: 3,520,786 km (0.091 R)
• M8: 3,902,859 km (0.088 R)
• M9: 7,705,487 km (0.07 R)
• M10: 8,397,527 km (0.067 R)
• M11: 8,881,476 km (0.105 R)
• M12: 12,306,519 km (0.114 R)
• M13: 13,641,830 km (0.119 R)
• M14: 16,224,787 km (0.113 R)
• M15: 17,204,802 km (0.091 R)
• M16: 18,464,416 km (0.077 R)
• M17: 18,870,425 km (0.115 R)
• M18: 19,616,021 km (0.097 R)
• M19: 20,467,532 km (0.114 R)
• M20: 22,610,970 km (0.091 R)
• M21: 27,129,424 km (0.095 R)
• M22: 35,353,268 km (0.085 R)
• M23: 37,253,311 km (0.072 R)
• M24: 38,294,063 km (0.033 R)
• M25: 40,569,746 km (0.063 R)
• M26: 47,176,736 km (0.06 R)
• M27: 55,300,798 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 14,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit