🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.61 AU - 0.63 AU

Year: 315 Days

Day: 24.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 12.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 7.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,857,426 km

• M1: 153,039 km (0.099 R)
• M2: 555,756 km (0.112 R)
• M3: 956,379 km (0.117 R)
• M4: 1,375,104 km (0.098 R)
• M5: 1,814,473 km (0.095 R)
• M6: 2,234,992 km (0.112 R)
• M7: 2,772,497 km (0.051 R)
• M8: 3,248,368 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 9.6

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.59 AU

Year: 968 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,857,426 km

• M1: 119,379 km (0.099 R)
• M2: 580,739 km (0.105 R)
• M3: 1,104,631 km (0.098 R)
• M4: 1,568,234 km (0.079 R)
• M5: 1,973,196 km (0.052 R)
• M6: 2,412,565 km (0.051 R)
• M7: 3,624,457 km (0.108 R)
• M8: 3,986,783 km (0.077 R)
• M9: 4,321,434 km (0.099 R)
• M10: 4,693,035 km (0.11 R)
• M11: 5,221,714 km (0.079 R)
• M12: 5,789,737 km (0.073 R)
• M13: 6,534,136 km (0.107 R)
• M14: 7,390,584 km (0.054 R)
• M15: 8,133,337 km (0.106 R)
• M16: 9,267,289 km (0.05 R)
• M17: 10,378,352 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.6

Radius: 11.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.96 AU - 2.26 AU

Year: 1979 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,857,426 km

• M1: 140,622 km (0.106 R)
• M2: 499,358 km (0.028 R)
• M3: 851,960 km (0.085 R)
• M4: 1,527,693 km (0.04 R)
• M5: 2,031,689 km (0.036 R)
• M6: 2,494,245 km (0.064 R)
• M7: 2,890,530 km (0.092 R)
• M8: 3,496,102 km (0.117 R)
• M9: 4,032,560 km (0.11 R)
• M10: 4,706,349 km (0.091 R)
• M11: 5,293,670 km (0.118 R)
• M12: 6,828,245 km (0.112 R)
• M13: 8,024,131 km (0.051 R)
• M14: 9,590,271 km (0.088 R)
• M15: 10,717,491 km (0.055 R)
• M16: 11,087,297 km (0.081 R)
• M17: 14,183,225 km (0.067 R)
• M18: 14,539,417 km (0.11 R)
• M19: 15,269,903 km (0.085 R)
• M20: 15,976,753 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 9.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.14 AU - 2.38 AU

Year: 2194 Days

Day: 12.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,857,426 km

• M1: 124,465 km (0.104 R)
• M2: 508,034 km (0.063 R)
• M3: 1,213,987 km (0.093 R)
• M4: 2,812,290 km (0.056 R)
• M5: 3,555,792 km (0.104 R)
• M6: 4,540,445 km (0.11 R)
• M7: 6,283,410 km (0.106 R)
• M8: 7,659,561 km (0.095 R)
• M9: 9,384,574 km (0.038 R)
• M10: 9,870,019 km (0.12 R)
• M11: 10,406,028 km (0.032 R)
• M12: 12,321,479 km (0.051 R)
• M13: 13,181,517 km (0.098 R)
• M14: 13,708,401 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.46 AU - 3.7 AU

Year: 3490 Days

Day: 6.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,857,426 km

• M1: 99,632 km (0.092 R)
• M2: 437,873 km (0.072 R)
• M3: 747,391 km (0.06 R)
• M4: 1,039,406 km (0.034 R)
• M5: 1,545,795 km (0.071 R)
• M6: 2,579,815 km (0.056 R)
• M7: 2,856,422 km (0.119 R)
• M8: 3,547,265 km (0.117 R)
• M9: 4,367,360 km (0.115 R)
• M10: 5,257,019 km (0.074 R)
• M11: 5,623,384 km (0.115 R)
• M12: 6,614,320 km (0.09 R)
• M13: 7,817,237 km (0.046 R)
• M14: 9,846,681 km (0.107 R)
• M15: 11,194,409 km (0.07 R)
• M16: 11,626,148 km (0.083 R)
• M17: 14,656,403 km (0.112 R)
• M18: 15,971,069 km (0.091 R)
• M19: 17,305,482 km (0.103 R)
• M20: 21,686,156 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 11.4

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.91 AU - 4.25 AU

Year: 5321 Days

Day: 14.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,857,426 km

• M1: 141,819 km (0.117 R)
• M2: 520,152 km (0.091 R)
• M3: 920,476 km (0.097 R)
• M4: 1,456,485 km (0.104 R)
• M5: 1,915,601 km (0.115 R)
• M6: 3,019,334 km (0.114 R)
• M7: 3,402,454 km (0.061 R)
• M8: 3,775,252 km (0.06 R)
• M9: 5,061,494 km (0.066 R)
• M10: 5,805,145 km (0.111 R)
• M11: 10,145,578 km (0.088 R)
• M12: 10,791,242 km (0.112 R)
• M13: 11,372,879 km (0.064 R)
• M14: 11,881,212 km (0.061 R)
• M15: 12,794,956 km (0.086 R)
• M16: 18,709,159 km (0.116 R)
• M17: 19,483,477 km (0.104 R)
• M18: 21,723,556 km (0.078 R)
• M19: 22,723,917 km (0.09 R)
• M20: 24,893,385 km (0.107 R)
• M21: 25,280,993 km (0.113 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: 322 - 18,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit