🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 14.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.54 AU - 0.6 AU

Year: 297 Days

Day: 12.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,398,229 km

• M1: 186,997 km (0.103 R)
• M2: 653,593 km (0.089 R)
• M3: 1,529,339 km (0.094 R)
• M4: 2,049,192 km (0.098 R)
• M5: 2,827,998 km (0.096 R)
• M6: 3,317,632 km (0.067 R)
• M7: 3,875,482 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 14.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.92 AU - 1.42 AU

Year: 874 Days

Day: 9.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,398,229 km

• M1: 184,155 km (0.06 R)
• M2: 670,198 km (0.071 R)
• M3: 1,308,832 km (0.103 R)
• M4: 2,185,176 km (0.115 R)
• M5: 3,044,317 km (0.106 R)
• M6: 3,596,183 km (0.092 R)
• M7: 4,104,218 km (0.111 R)
• M8: 5,805,295 km (0.053 R)
• M9: 6,317,368 km (0.113 R)
• M10: 6,971,560 km (0.067 R)
• M11: 7,551,102 km (0.104 R)
• M12: 8,597,240 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 10.8

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.72 AU - 1.82 AU

Year: 1625 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,398,229 km

• M1: 134,339 km (0.064 R)
• M2: 477,068 km (0.089 R)
• M3: 885,021 km (0.1 R)
• M4: 1,598,004 km (0.117 R)
• M5: 1,988,604 km (0.079 R)
• M6: 2,364,843 km (0.057 R)
• M7: 2,966,526 km (0.066 R)
• M8: 3,345,008 km (0.105 R)
• M9: 4,336,543 km (0.097 R)
• M10: 4,868,962 km (0.069 R)
• M11: 5,240,264 km (0.104 R)
• M12: 5,820,853 km (0.114 R)
• M13: 6,919,500 km (0.071 R)
• M14: 7,618,870 km (0.067 R)
• M15: 9,224,504 km (0.063 R)
• M16: 10,247,454 km (0.042 R)
• M17: 11,727,127 km (0.12 R)
• M18: 12,477,659 km (0.069 R)
• M19: 14,162,580 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.13 AU - 3.29 AU

Year: 3970 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,398,229 km

• M1: 162,912 km (0.069 R)
• M2: 721,810 km (0.115 R)
• M3: 1,214,136 km (0.067 R)
• M4: 2,271,494 km (0.102 R)
• M5: 2,836,525 km (0.093 R)
• M6: 3,494,457 km (0.11 R)
• M7: 4,560,641 km (0.115 R)
• M8: 6,614,769 km (0.118 R)
• M9: 7,363,506 km (0.103 R)
• M10: 7,776,097 km (0.076 R)
• M11: 8,876,090 km (0.099 R)
• M12: 11,338,771 km (0.107 R)
• M13: 11,843,963 km (0.116 R)
• M14: 13,964,512 km (0.03 R)
• M15: 14,652,663 km (0.108 R)
• M16: 16,154,326 km (0.067 R)
• M17: 17,633,999 km (0.048 R)
• M18: 18,375,705 km (0.084 R)
• M19: 19,527,010 km (0.111 R)
• M20: 20,522,584 km (0.118 R)
• M21: 23,564,806 km (0.105 R)
• M22: 24,923,304 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 8.8

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.69 AU - 5.85 AU

Year: 8351 Days

Day: 10.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,398,229 km

• M1: 140,921 km (0.06 R)
• M2: 510,278 km (0.085 R)
• M3: 990,039 km (0.088 R)
• M4: 1,722,171 km (0.095 R)
• M5: 2,196,845 km (0.06 R)
• M6: 2,838,171 km (0.05 R)
• M7: 3,696,713 km (0.09 R)
• M8: 6,408,324 km (0.095 R)
• M9: 10,880,552 km (0.109 R)
• M10: 11,349,542 km (0.079 R)
• M11: 12,666,302 km (0.069 R)
• M12: 17,435,931 km (0.091 R)
• M13: 19,946,183 km (0.047 R)
• M14: 22,186,860 km (0.08 R)
• M15: 27,543,362 km (0.095 R)
• M16: 30,931,454 km (0.097 R)
• M17: 33,812,560 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 14.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.2 AU - 5.56 AU

Year: 8614 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,398,229 km

• M1: 186,399 km (0.11 R)
• M2: 814,112 km (0.091 R)
• M3: 1,407,417 km (0.092 R)
• M4: 1,912,310 km (0.071 R)
• M5: 2,387,283 km (0.107 R)
• M6: 3,220,543 km (0.109 R)
• M7: 4,191,284 km (0.119 R)
• M8: 5,090,816 km (0.085 R)
• M9: 6,310,337 km (0.033 R)
• M10: 7,493,357 km (0.046 R)
• M11: 8,216,214 km (0.078 R)
• M12: 8,819,542 km (0.101 R)
• M13: 9,626,025 km (0.051 R)
• M14: 12,292,008 km (0.073 R)
• M15: 13,683,717 km (0.088 R)
• M16: 14,475,539 km (0.119 R)
• M17: 15,059,569 km (0.111 R)
• M18: 17,489,487 km (0.093 R)
• M19: 20,752,665 km (0.086 R)
• M20: 21,646,961 km (0.116 R)
• M21: 24,320,575 km (0.044 R)
• M22: 25,230,728 km (0.049 R)
• M23: 28,642,008 km (0.104 R)
• M24: 32,152,173 km (0.091 R)
• M25: 33,857,289 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.7

Radius: 12.6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.34 AU - 6.56 AU

Year: 8782 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,398,229 km

• M1: 156,629 km (0.091 R)
• M2: 672,143 km (0.069 R)
• M3: 1,120,787 km (0.103 R)
• M4: 1,716,486 km (0.059 R)
• M5: 2,773,694 km (0.102 R)
• M6: 3,434,318 km (0.12 R)
• M7: 4,678,823 km (0.076 R)
• M8: 6,097,759 km (0.115 R)
• M9: 7,297,683 km (0.081 R)
• M10: 9,057,852 km (0.071 R)
• M11: 9,622,883 km (0.099 R)
• M12: 10,111,619 km (0.055 R)
• M13: 12,178,015 km (0.09 R)
• M14: 13,102,380 km (0.05 R)
• M15: 13,642,428 km (0.091 R)
• M16: 14,197,436 km (0.108 R)
• M17: 17,559,798 km (0.119 R)
• M18: 20,128,543 km (0.087 R)
• M19: 21,751,530 km (0.075 R)
• M20: 24,617,676 km (0.085 R)
• M21: 26,567,535 km (0.105 R)
• M22: 27,143,038 km (0.079 R)
• M23: 28,319,027 km (0.094 R)
• M24: 30,458,276 km (0.105 R)
• M25: 34,147,210 km (0.109 R)
• M26: 39,473,792 km (0.082 R)
• M27: 39,972,551 km (0.034 R)
• M28: 41,880,373 km (0.103 R)
• M29: 42,399,178 km (0.114 R)
• M30: 44,922,445 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.9

Radius: 7.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.96 AU - 8.94 AU

Year: 15473 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,398,229 km

• M1: 92,003 km (0.08 R)
• M2: 356,043 km (0.109 R)
• M3: 1,214,136 km (0.06 R)
• M4: 1,997,132 km (0.086 R)
• M5: 2,836,226 km (0.061 R)
• M6: 3,699,705 km (0.102 R)
• M7: 4,039,890 km (0.072 R)
• M8: 5,128,514 km (0.092 R)
• M9: 5,836,860 km (0.079 R)
• M10: 8,435,525 km (0.118 R)
• M11: 18,207,407 km (0.118 R)
• M12: 24,998,702 km (0.091 R)
• M13: 26,214,783 km (0.119 R)
• M14: 34,351,411 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 15,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit