🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 8.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.49 AU - 0.69 AU

Year: 319 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,479,485 km

• M1: 103,223 km (0.117 R)
• M2: 406,158 km (0.116 R)
• M3: 717,771 km (0.092 R)
• M4: 999,015 km (0.101 R)
• M5: 1,279,660 km (0.098 R)
• M6: 1,594,713 km (0.04 R)
• M7: 1,863,092 km (0.06 R)
• M8: 2,913,568 km (0.049 R)
• M9: 3,318,829 km (0.064 R)
• M10: 3,594,837 km (0.111 R)
• M11: 3,979,154 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 12.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1 AU - 1.64 AU

Year: 1066 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,479,485 km

• M1: 154,235 km (0.086 R)
• M2: 563,236 km (0.05 R)
• M3: 975,229 km (0.086 R)
• M4: 1,488,200 km (0.094 R)
• M5: 1,907,822 km (0.09 R)
• M6: 2,551,541 km (0.056 R)
• M7: 3,118,816 km (0.112 R)
• M8: 3,657,668 km (0.063 R)
• M9: 4,293,160 km (0.088 R)
• M10: 5,220,367 km (0.063 R)
• M11: 5,873,063 km (0.034 R)
• M12: 6,532,341 km (0.069 R)
• M13: 7,811,253 km (0.104 R)
• M14: 9,400,581 km (0.054 R)
• M15: 10,049,087 km (0.092 R)
• M16: 11,366,745 km (0.105 R)
• M17: 11,854,135 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.9

Radius: 11

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.45 AU - 1.99 AU

Year: 1586 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,479,485 km

• M1: 136,732 km (0.109 R)
• M2: 840,740 km (0.088 R)
• M3: 1,340,696 km (0.099 R)
• M4: 1,970,802 km (0.108 R)
• M5: 2,911,773 km (0.11 R)
• M6: 3,452,569 km (0.037 R)
• M7: 3,821,926 km (0.028 R)
• M8: 4,253,367 km (0.102 R)
• M9: 4,794,462 km (0.112 R)
• M10: 5,615,904 km (0.049 R)
• M11: 6,152,212 km (0.068 R)
• M12: 6,895,415 km (0.113 R)
• M13: 7,250,111 km (0.103 R)
• M14: 7,996,455 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 13.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.95 AU - 3.87 AU

Year: 4426 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,479,485 km

• M1: 169,345 km (0.063 R)
• M2: 958,025 km (0.102 R)
• M3: 1,438,234 km (0.094 R)
• M4: 1,914,554 km (0.106 R)
• M5: 2,580,114 km (0.03 R)
• M6: 3,335,733 km (0.1 R)
• M7: 4,551,665 km (0.077 R)
• M8: 5,658,539 km (0.067 R)
• M9: 6,544,608 km (0.117 R)
• M10: 8,945,504 km (0.093 R)
• M11: 10,498,330 km (0.067 R)
• M12: 16,173,026 km (0.112 R)
• M13: 17,701,168 km (0.058 R)
• M14: 18,209,801 km (0.102 R)
• M15: 18,728,307 km (0.058 R)
• M16: 20,972,275 km (0.109 R)
• M17: 22,712,996 km (0.029 R)
• M18: 24,469,873 km (0.07 R)
• M19: 25,988,292 km (0.065 R)
• M20: 26,563,196 km (0.049 R)
• M21: 27,994,998 km (0.112 R)
• M22: 28,512,307 km (0.094 R)
• M23: 28,948,385 km (0.059 R)
• M24: 29,923,464 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 8.2

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.87 AU - 5.11 AU

Year: 7835 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,479,485 km

• M1: 126,859 km (0.097 R)
• M2: 395,088 km (0.081 R)
• M3: 1,117,496 km (0.116 R)
• M4: 1,484,908 km (0.07 R)
• M5: 2,300,815 km (0.101 R)
• M6: 3,341,268 km (0.109 R)
• M7: 3,799,936 km (0.105 R)
• M8: 4,666,855 km (0.118 R)
• M9: 7,807,662 km (0.047 R)
• M10: 8,837,644 km (0.115 R)
• M11: 9,154,343 km (0.102 R)
• M12: 11,322,614 km (0.114 R)
• M13: 12,696,222 km (0.086 R)
• M14: 15,378,212 km (0.115 R)
• M15: 18,197,085 km (0.074 R)
• M16: 20,075,436 km (0.064 R)
• M17: 20,782,136 km (0.113 R)
• M18: 23,172,411 km (0.089 R)
• M19: 25,648,555 km (0.075 R)
• M20: 26,016,117 km (0.092 R)
• M21: 26,294,070 km (0.1 R)
• M22: 27,139,896 km (0.065 R)
• M23: 30,090,714 km (0.032 R)
• M24: 35,019,964 km (0.094 R)
• M25: 36,853,435 km (0.086 R)
• M26: 39,477,532 km (0.097 R)
• M27: 40,586,052 km (0.09 R)
• M28: 42,607,718 km (0.088 R)
• M29: 43,382,934 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.8

Radius: 4.4

Gravity: 23.96 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.13 AU - 9.29 AU

Year: 16536 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,479,485 km

• M1: 55,501 km (0.102 R)
• M2: 391,946 km (0.055 R)
• M3: 1,277,566 km (0.099 R)
• M4: 1,706,762 km (0.104 R)
• M5: 2,305,303 km (0.086 R)
• M6: 3,081,716 km (0.068 R)
• M7: 5,557,262 km (0.066 R)
• M8: 8,133,337 km (0.058 R)
• M9: 8,858,588 km (0.063 R)
• M10: 10,381,344 km (0.117 R)
• M11: 15,833,439 km (0.079 R)
• M12: 16,578,735 km (0.098 R)
• M13: 22,185,813 km (0.101 R)
• M14: 29,377,880 km (0.079 R)
• M15: 38,112,152 km (0.118 R)
• M16: 51,270,332 km (0.087 R)
• M17: 57,979,048 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.8

Radius: 4.1

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.23 AU - 10.19 AU

Year: 19647 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,479,485 km

• M1: 57,146 km (0.034 R)
• M2: 299,794 km (0.059 R)
• M3: 1,572,423 km (0.115 R)
• M4: 2,199,089 km (0.068 R)
• M5: 2,402,691 km (0.096 R)
• M6: 4,142,365 km (0.101 R)
• M7: 5,648,068 km (0.119 R)
• M8: 5,785,249 km (0.077 R)
• M9: 10,434,601 km (0.082 R)
• M10: 13,581,841 km (0.071 R)
• M11: 17,525,091 km (0.079 R)
• M12: 21,164,658 km (0.034 R)
• M13: 23,822,414 km (0.105 R)
• M14: 40,489,412 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 17,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit