🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.48 AU - 0.58 AU

Year: 249 Days

Day: 12.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 11.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.71 AU - 0.75 AU

Year: 403 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,353,404 km

• M1: 138,079 km (0.102 R)
• M2: 548,276 km (0.05 R)
• M3: 1,017,266 km (0.048 R)
• M4: 1,568,833 km (0.08 R)
• M5: 2,616,766 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 8.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.79 AU - 1.25 AU

Year: 665 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,353,404 km

• M1: 103,073 km (0.106 R)
• M2: 702,661 km (0.119 R)
• M3: 981,960 km (0.104 R)
• M4: 1,452,147 km (0.086 R)
• M5: 2,156,753 km (0.115 R)
• M6: 2,633,970 km (0.11 R)
• M7: 3,415,619 km (0.071 R)
• M8: 4,388,902 km (0.088 R)
• M9: 5,257,916 km (0.109 R)
• M10: 6,628,831 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 14.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.1 AU - 1.76 AU

Year: 1104 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,353,404 km

• M1: 176,525 km (0.061 R)
• M2: 673,190 km (0.115 R)
• M3: 1,301,352 km (0.085 R)
• M4: 2,747,664 km (0.092 R)
• M5: 3,898,521 km (0.119 R)
• M6: 5,577,757 km (0.099 R)
• M7: 6,509,452 km (0.103 R)
• M8: 7,012,999 km (0.062 R)
• M9: 7,568,306 km (0.094 R)
• M10: 8,262,590 km (0.034 R)
• M11: 8,767,782 km (0.089 R)
• M12: 9,655,944 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 12.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.68 AU - 2.46 AU

Year: 1923 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,353,404 km

• M1: 175,628 km (0.109 R)
• M2: 662,868 km (0.033 R)
• M3: 1,106,127 km (0.115 R)
• M4: 1,959,583 km (0.109 R)
• M5: 3,200,646 km (0.107 R)
• M6: 3,648,842 km (0.107 R)
• M7: 4,205,645 km (0.103 R)
• M8: 4,763,795 km (0.109 R)
• M9: 5,673,350 km (0.063 R)
• M10: 7,558,283 km (0.108 R)
• M11: 8,332,901 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 13.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.99 AU - 2.67 AU

Year: 2296 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,353,404 km

• M1: 162,912 km (0.104 R)
• M2: 723,754 km (0.098 R)
• M3: 1,392,756 km (0.03 R)
• M4: 1,911,562 km (0.069 R)
• M5: 3,192,867 km (0.049 R)
• M6: 3,770,764 km (0.117 R)
• M7: 4,228,085 km (0.107 R)
• M8: 5,639,690 km (0.107 R)
• M9: 7,148,385 km (0.089 R)
• M10: 7,621,712 km (0.057 R)
• M11: 8,686,999 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 13.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.4 AU - 5.5 AU

Year: 7111 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,353,404 km

• M1: 169,794 km (0.098 R)
• M2: 746,942 km (0.047 R)
• M3: 1,263,055 km (0.081 R)
• M4: 1,869,225 km (0.11 R)
• M5: 2,541,817 km (0.11 R)
• M6: 3,484,882 km (0.052 R)
• M7: 6,940,444 km (0.09 R)
• M8: 9,786,094 km (0.115 R)
• M9: 10,259,572 km (0.1 R)
• M10: 21,435,580 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.2

Radius: 3.3

Gravity: 28.85 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.95 AU - 10.33 AU

Year: 19326 Days

Day: 21.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 61.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,353,404 km

• M1: 40,990 km (0.046 R)
• M2: 188,344 km (0.112 R)
• M3: 513,420 km (0.119 R)
• M4: 634,744 km (0.114 R)
• M5: 1,299,108 km (0.114 R)
• M6: 1,557,763 km (0.099 R)
• M7: 1,764,956 km (0.098 R)
• M8: 2,008,501 km (0.057 R)
• M9: 2,827,998 km (0.032 R)
• M10: 2,991,359 km (0.104 R)
• M11: 3,388,691 km (0.092 R)
• M12: 4,693,783 km (0.097 R)
• M13: 5,655,996 km (0.034 R)
• M14: 6,742,526 km (0.063 R)
• M15: 7,162,148 km (0.037 R)
• M16: 7,733,312 km (0.119 R)
• M17: 7,915,074 km (0.11 R)
• M18: 8,146,202 km (0.077 R)
• M19: 8,817,298 km (0.106 R)
• M20: 10,105,935 km (0.074 R)
• M21: 11,050,795 km (0.069 R)
• M22: 12,420,513 km (0.104 R)
• M23: 13,113,899 km (0.076 R)
• M24: 21,522,047 km (0.115 R)
• M25: 23,644,093 km (0.09 R)
• M26: 24,413,625 km (0.113 R)
• M27: 26,615,855 km (0.108 R)
• M28: 34,743,357 km (0.106 R)
• M29: 50,905,911 km (0.105 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: 231 - 19,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit