🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.13 AU - 1.13 AU

Year: 439 Days

Day: 25.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 66,993,393 km

• M1: 13,314 km (0.085 R)
• M2: 237,711 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.57 AU - 2.37 AU

Year: 1010 Days

Day: 21.3 Hours

Environment

Temp: -67 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.69 AU - 2.67 AU

Year: 1176 Days

Day: 36.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 13

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.41 AU - 5.89 AU

Year: 4269 Days

Day: 13.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,993,393 km

• M1: 161,715 km (0.108 R)
• M2: 580,889 km (0.053 R)
• M3: 1,020,407 km (0.095 R)
• M4: 1,528,741 km (0.041 R)
• M5: 1,968,558 km (0.118 R)
• M6: 2,508,906 km (0.104 R)
• M7: 3,094,731 km (0.108 R)
• M8: 3,770,614 km (0.094 R)
• M9: 4,407,303 km (0.102 R)
• M10: 5,522,555 km (0.094 R)
• M11: 7,472,414 km (0.088 R)
• M12: 8,980,659 km (0.099 R)
• M13: 9,425,264 km (0.12 R)
• M14: 11,014,592 km (0.075 R)
• M15: 11,741,787 km (0.059 R)
• M16: 12,776,107 km (0.083 R)
• M17: 13,821,497 km (0.103 R)
• M18: 14,315,170 km (0.063 R)
• M19: 15,233,551 km (0.06 R)
• M20: 17,244,296 km (0.064 R)
• M21: 19,796,735 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 14.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.02 AU - 6.58 AU

Year: 4457 Days

Day: 10.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,993,393 km

• M1: 183,407 km (0.058 R)
• M2: 1,006,943 km (0.108 R)
• M3: 1,494,782 km (0.08 R)
• M4: 1,978,432 km (0.061 R)
• M5: 2,980,738 km (0.085 R)
• M6: 3,475,607 km (0.112 R)
• M7: 4,025,529 km (0.119 R)
• M8: 4,679,272 km (0.068 R)
• M9: 5,530,932 km (0.087 R)
• M10: 6,035,227 km (0.031 R)
• M11: 7,167,982 km (0.098 R)
• M12: 8,964,802 km (0.06 R)
• M13: 9,439,177 km (0.112 R)
• M14: 9,930,157 km (0.042 R)
• M15: 10,558,019 km (0.104 R)
• M16: 11,212,211 km (0.103 R)
• M17: 11,849,947 km (0.114 R)
• M18: 13,012,920 km (0.092 R)
• M19: 16,092,243 km (0.107 R)
• M20: 17,687,704 km (0.116 R)
• M21: 18,788,595 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 8.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.07 AU - 5.93 AU

Year: 4711 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,993,393 km

• M1: 110,702 km (0.033 R)
• M2: 643,420 km (0.056 R)
• M3: 1,179,280 km (0.119 R)
• M4: 1,463,366 km (0.063 R)
• M5: 2,107,086 km (0.026 R)
• M6: 2,592,232 km (0.07 R)
• M7: 3,046,411 km (0.077 R)
• M8: 4,051,410 km (0.078 R)
• M9: 5,065,982 km (0.089 R)
• M10: 5,831,026 km (0.098 R)
• M11: 7,243,379 km (0.114 R)
• M12: 7,880,816 km (0.063 R)
• M13: 9,377,543 km (0.099 R)
• M14: 9,903,379 km (0.051 R)
• M15: 13,813,269 km (0.11 R)
• M16: 14,297,368 km (0.079 R)
• M17: 16,563,177 km (0.089 R)
• M18: 17,276,011 km (0.12 R)
• M19: 18,066,486 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.9

Radius: 7.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.72 AU - 20.96 AU

Year: 27522 Days

Day: 20.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,993,393 km

• M1: 94,546 km (0.114 R)
• M2: 373,695 km (0.114 R)
• M3: 740,958 km (0.113 R)
• M4: 1,042,697 km (0.074 R)
• M5: 1,440,777 km (0.103 R)
• M6: 1,743,114 km (0.067 R)
• M7: 2,165,579 km (0.092 R)
• M8: 2,433,658 km (0.1 R)
• M9: 3,794,400 km (0.077 R)
• M10: 4,571,561 km (0.059 R)
• M11: 5,450,598 km (0.081 R)
• M12: 6,396,207 km (0.092 R)
• M13: 7,632,633 km (0.115 R)
• M14: 10,167,419 km (0.1 R)
• M15: 12,418,568 km (0.051 R)
• M16: 12,812,609 km (0.093 R)
• M17: 14,400,590 km (0.118 R)
• M18: 15,884,601 km (0.068 R)
• M19: 22,071,371 km (0.114 R)
• M20: 24,547,814 km (0.072 R)
• M21: 27,868,288 km (0.102 R)
• M22: 28,430,477 km (0.082 R)
• M23: 32,828,355 km (0.106 R)
• M24: 35,911,268 km (0.104 R)
• M25: 44,604,849 km (0.101 R)
• M26: 46,152,140 km (0.044 R)
• M27: 50,175,874 km (0.117 R)
• M28: 52,357,908 km (0.041 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 17,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit