🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.51 AU - 0.75 AU

Year: 177 Days

Day: 35.1 Hours

Environment

Temp: 214 °C

Axial Tilt: 108.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.06 AU - 1.42 AU

Year: 488 Days

Day: 20.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,254,191 km

• M1: 44,131 km (0.054 R)
• M2: 210,335 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.28 AU - 1.6 AU

Year: 610 Days

Day: 44.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 22.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,254,191 km

• M1: 972,237 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.12 AU - 2.24 AU

Year: 1137 Days

Day: 17.2 Hours

Environment

Temp: -53 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 10

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 12.12 AU - 13.2 AU

Year: 15906 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,254,191 km

• M1: 124,316 km (0.071 R)
• M2: 548,426 km (0.079 R)
• M3: 1,154,297 km (0.069 R)
• M4: 2,225,568 km (0.085 R)
• M5: 3,406,344 km (0.109 R)
• M6: 3,890,741 km (0.108 R)
• M7: 5,177,283 km (0.091 R)
• M8: 6,017,874 km (0.041 R)
• M9: 7,216,003 km (0.09 R)
• M10: 7,871,690 km (0.076 R)
• M11: 9,301,846 km (0.074 R)
• M12: 12,080,178 km (0.117 R)
• M13: 14,771,443 km (0.051 R)
• M14: 16,853,696 km (0.057 R)
• M15: 19,834,583 km (0.09 R)
• M16: 20,378,671 km (0.045 R)
• M17: 21,402,070 km (0.094 R)
• M18: 22,070,922 km (0.088 R)
• M19: 24,573,993 km (0.078 R)
• M20: 25,201,706 km (0.049 R)
• M21: 26,489,295 km (0.109 R)
• M22: 27,707,620 km (0.075 R)
• M23: 29,781,346 km (0.032 R)
• M24: 30,136,790 km (0.056 R)
• M25: 32,328,997 km (0.108 R)
• M26: 35,547,147 km (0.087 R)
• M27: 38,410,600 km (0.073 R)
• M28: 40,402,795 km (0.091 R)
• M29: 40,838,424 km (0.103 R)
• M30: 44,437,748 km (0.084 R)
• M31: 45,683,001 km (0.072 R)
• M32: 46,791,521 km (0.11 R)
• M33: 51,917,343 km (0.058 R)
• M34: 55,059,048 km (0.099 R)
• M35: 61,910,630 km (0.088 R)
• M36: 64,446,763 km (0.094 R)
• M37: 66,242,685 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.5

Radius: 11.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 12.32 AU - 13.38 AU

Year: 16265 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,254,191 km

• M1: 145,559 km (0.098 R)
• M2: 569,220 km (0.077 R)
• M3: 1,812,378 km (0.1 R)
• M4: 5,091,414 km (0.035 R)
• M5: 5,591,819 km (0.059 R)
• M6: 7,607,650 km (0.117 R)
• M7: 8,221,151 km (0.079 R)
• M8: 8,691,935 km (0.114 R)
• M9: 9,135,493 km (0.088 R)
• M10: 10,261,816 km (0.111 R)
• M11: 11,426,136 km (0.11 R)
• M12: 13,955,686 km (0.105 R)
• M13: 16,033,451 km (0.082 R)
• M14: 19,188,620 km (0.092 R)
• M15: 20,481,295 km (0.073 R)
• M16: 21,994,029 km (0.114 R)
• M17: 22,569,681 km (0.076 R)
• M18: 27,353,821 km (0.036 R)
• M19: 27,828,346 km (0.095 R)
• M20: 29,384,014 km (0.085 R)
• M21: 29,981,956 km (0.117 R)
• M22: 38,632,154 km (0.054 R)
• M23: 41,932,882 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.3

Radius: 5.7

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.69 AU - 19.69 AU

Year: 23002 Days

Day: 18.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,254,191 km

• M1: 70,909 km (0.092 R)
• M2: 265,835 km (0.119 R)
• M3: 556,055 km (0.095 R)
• M4: 1,083,687 km (0.106 R)
• M5: 1,467,106 km (0.061 R)
• M6: 2,053,829 km (0.087 R)
• M7: 7,338,823 km (0.11 R)
• M8: 9,681,675 km (0.034 R)
• M9: 10,441,632 km (0.038 R)
• M10: 11,115,122 km (0.117 R)
• M11: 20,256,000 km (0.117 R)
• M12: 31,366,934 km (0.117 R)
• M13: 36,369,038 km (0.111 R)
• M14: 49,258,540 km (0.106 R)
• M15: 49,767,920 km (0.062 R)
• M16: 58,593,297 km (0.077 R)
• M17: 60,320,105 km (0.052 R)
• M18: 69,678,051 km (0.085 R)
• M19: 70,319,975 km (0.058 R)
• M20: 71,833,008 km (0.105 R)
• M21: 73,588,539 km (0.072 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 19,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit