🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.41 AU - 0.61 AU

Year: 239 Days

Day: 47.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.57 AU - 0.69 AU

Year: 328 Days

Day: 14.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.64 AU - 0.7 AU

Year: 360 Days

Day: 30.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,424,591 km

• M1: 92,751 km (0.06 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 10.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.86 AU - 2.16 AU

Year: 1869 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,424,591 km

• M1: 135,536 km (0.078 R)
• M2: 488,287 km (0.107 R)
• M3: 892,650 km (0.097 R)
• M4: 1,733,241 km (0.091 R)
• M5: 2,130,423 km (0.082 R)
• M6: 2,631,277 km (0.089 R)
• M7: 3,309,554 km (0.092 R)
• M8: 4,234,517 km (0.081 R)
• M9: 4,605,071 km (0.101 R)
• M10: 7,089,742 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 12.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.83 AU - 3.75 AU

Year: 3915 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,424,591 km

• M1: 155,432 km (0.081 R)
• M2: 559,047 km (0.1 R)
• M3: 1,047,484 km (0.048 R)
• M4: 1,638,097 km (0.096 R)
• M5: 2,444,429 km (0.105 R)
• M6: 2,923,142 km (0.1 R)
• M7: 4,275,507 km (0.088 R)
• M8: 4,929,848 km (0.084 R)
• M9: 6,221,476 km (0.114 R)
• M10: 6,860,110 km (0.086 R)
• M11: 7,915,523 km (0.086 R)
• M12: 8,366,859 km (0.025 R)
• M13: 9,006,989 km (0.088 R)
• M14: 9,643,378 km (0.111 R)
• M15: 10,927,077 km (0.074 R)
• M16: 11,569,301 km (0.079 R)
• M17: 12,536,451 km (0.114 R)
• M18: 14,440,533 km (0.118 R)
• M19: 15,165,185 km (0.096 R)
• M20: 15,611,585 km (0.089 R)
• M21: 17,756,968 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 12.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.65 AU - 5.91 AU

Year: 6856 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,424,591 km

• M1: 159,172 km (0.108 R)
• M2: 779,854 km (0.106 R)
• M3: 1,417,889 km (0.106 R)
• M4: 1,934,899 km (0.111 R)
• M5: 3,204,985 km (0.11 R)
• M6: 5,282,899 km (0.031 R)
• M7: 7,345,555 km (0.034 R)
• M8: 8,913,789 km (0.072 R)
• M9: 12,414,978 km (0.1 R)
• M10: 18,801,760 km (0.091 R)
• M11: 21,848,021 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 12.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.67 AU - 5.09 AU

Year: 7072 Days

Day: 7.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,424,591 km

• M1: 153,338 km (0.094 R)
• M2: 679,174 km (0.099 R)
• M3: 1,281,007 km (0.113 R)
• M4: 2,065,647 km (0.102 R)
• M5: 3,401,856 km (0.03 R)
• M6: 4,678,374 km (0.061 R)
• M7: 5,275,868 km (0.104 R)
• M8: 6,041,660 km (0.103 R)
• M9: 6,467,116 km (0.082 R)
• M10: 8,008,722 km (0.083 R)
• M11: 10,762,220 km (0.098 R)
• M12: 13,317,502 km (0.104 R)
• M13: 17,872,308 km (0.063 R)
• M14: 20,127,646 km (0.082 R)
• M15: 20,668,741 km (0.096 R)
• M16: 24,886,204 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135

Radius: 7.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.96 AU - 11.3 AU

Year: 18097 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,424,591 km

• M1: 100,679 km (0.116 R)
• M2: 381,774 km (0.116 R)
• M3: 1,414,747 km (0.086 R)
• M4: 1,694,046 km (0.075 R)
• M5: 3,453,168 km (0.102 R)
• M6: 5,264,050 km (0.117 R)
• M7: 6,751,352 km (0.068 R)
• M8: 8,672,488 km (0.103 R)
• M9: 11,136,065 km (0.101 R)
• M10: 13,149,952 km (0.114 R)
• M11: 13,971,544 km (0.116 R)
• M12: 16,108,848 km (0.115 R)
• M13: 16,440,656 km (0.071 R)
• M14: 16,776,803 km (0.083 R)
• M15: 21,737,019 km (0.109 R)
• M16: 30,024,741 km (0.114 R)
• M17: 34,423,218 km (0.118 R)
• M18: 38,049,470 km (0.078 R)
• M19: 39,232,939 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit