🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 10.1

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.84 AU - 0.94 AU

Year: 590 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,017,867 km

• M1: 126,261 km (0.118 R)
• M2: 763,697 km (0.113 R)
• M3: 1,399,638 km (0.107 R)
• M4: 2,048,444 km (0.1 R)
• M5: 2,400,896 km (0.065 R)
• M6: 2,851,784 km (0.1 R)
• M7: 3,166,538 km (0.091 R)
• M8: 3,724,538 km (0.062 R)
• M9: 4,072,054 km (0.079 R)
• M10: 4,749,583 km (0.116 R)
• M11: 5,247,594 km (0.083 R)
• M12: 5,914,202 km (0.105 R)
• M13: 6,868,038 km (0.069 R)
• M14: 7,574,140 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.6

Radius: 10.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.08 AU - 1.16 AU

Year: 833 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,017,867 km

• M1: 133,292 km (0.1 R)
• M2: 470,934 km (0.099 R)
• M3: 923,767 km (0.054 R)
• M4: 1,329,476 km (0.047 R)
• M5: 1,681,330 km (0.093 R)
• M6: 3,001,083 km (0.052 R)
• M7: 3,376,873 km (0.074 R)
• M8: 3,784,078 km (0.116 R)
• M9: 4,456,820 km (0.086 R)
• M10: 5,260,460 km (0.106 R)
• M11: 5,659,736 km (0.114 R)
• M12: 6,197,391 km (0.065 R)
• M13: 7,760,390 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 13.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.53 AU - 1.87 AU

Year: 1558 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,017,867 km

• M1: 165,455 km (0.079 R)
• M2: 631,752 km (0.069 R)
• M3: 1,252,583 km (0.113 R)
• M4: 3,255,549 km (0.059 R)
• M5: 3,991,720 km (0.045 R)
• M6: 5,344,234 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.6

Radius: 10.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.09 AU - 2.43 AU

Year: 2388 Days

Day: 5.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,017,867 km

• M1: 133,441 km (0.112 R)
• M2: 631,303 km (0.064 R)
• M3: 1,134,700 km (0.09 R)
• M4: 1,513,482 km (0.066 R)
• M5: 2,535,385 km (0.085 R)
• M6: 4,204,448 km (0.113 R)
• M7: 5,270,632 km (0.091 R)
• M8: 7,108,741 km (0.12 R)
• M9: 7,667,190 km (0.051 R)
• M10: 9,162,720 km (0.113 R)
• M11: 9,580,248 km (0.062 R)
• M12: 10,010,641 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 9.6

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.95 AU - 3.06 AU

Year: 2779 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,017,867 km

• M1: 119,529 km (0.063 R)
• M2: 435,180 km (0.116 R)
• M3: 740,809 km (0.081 R)
• M4: 1,427,014 km (0.071 R)
• M5: 1,900,491 km (0.102 R)
• M6: 2,230,504 km (0.066 R)
• M7: 3,094,432 km (0.059 R)
• M8: 3,440,153 km (0.053 R)
• M9: 3,751,316 km (0.114 R)
• M10: 4,799,997 km (0.117 R)
• M11: 5,189,849 km (0.1 R)
• M12: 6,488,060 km (0.108 R)
• M13: 7,181,595 km (0.094 R)
• M14: 8,716,470 km (0.026 R)
• M15: 9,674,943 km (0.119 R)
• M16: 13,253,324 km (0.12 R)
• M17: 13,730,841 km (0.089 R)
• M18: 14,923,884 km (0.055 R)
• M19: 15,493,253 km (0.106 R)
• M20: 15,969,722 km (0.101 R)
• M21: 17,974,334 km (0.087 R)
• M22: 18,618,951 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.8

Radius: 12.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.69 AU - 4.21 AU

Year: 4504 Days

Day: 5.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,017,867 km

• M1: 156,928 km (0.072 R)
• M2: 583,880 km (0.089 R)
• M3: 997,070 km (0.086 R)
• M4: 1,428,959 km (0.032 R)
• M5: 2,181,735 km (0.055 R)
• M6: 2,791,945 km (0.076 R)
• M7: 3,317,482 km (0.109 R)
• M8: 5,519,413 km (0.113 R)
• M9: 6,942,987 km (0.11 R)
• M10: 8,341,727 km (0.066 R)
• M11: 10,084,841 km (0.113 R)
• M12: 10,716,593 km (0.086 R)
• M13: 13,612,060 km (0.103 R)
• M14: 15,349,041 km (0.09 R)
• M15: 16,528,770 km (0.116 R)
• M16: 23,060,213 km (0.118 R)
• M17: 24,157,663 km (0.05 R)
• M18: 24,606,307 km (0.109 R)
• M19: 25,907,509 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 11.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.41 AU - 5.33 AU

Year: 6421 Days

Day: 10.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,017,867 km

• M1: 146,756 km (0.1 R)
• M2: 902,374 km (0.083 R)
• M3: 5,491,887 km (0.028 R)
• M4: 5,928,713 km (0.115 R)
• M5: 7,771,460 km (0.119 R)
• M6: 8,264,086 km (0.055 R)
• M7: 9,280,304 km (0.1 R)
• M8: 11,746,724 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694

Radius: 5.8

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.34 AU - 6.86 AU

Year: 10590 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,017,867 km

• M1: 72,405 km (0.104 R)
• M2: 292,464 km (0.1 R)
• M3: 483,800 km (0.042 R)
• M4: 703,858 km (0.119 R)
• M5: 939,923 km (0.101 R)
• M6: 1,240,615 km (0.032 R)
• M7: 1,802,505 km (0.104 R)
• M8: 2,052,632 km (0.084 R)
• M9: 2,856,272 km (0.101 R)
• M10: 3,080,669 km (0.115 R)
• M11: 3,590,498 km (0.114 R)
• M12: 3,772,559 km (0.118 R)
• M13: 4,414,334 km (0.081 R)
• M14: 4,870,458 km (0.089 R)
• M15: 5,770,139 km (0.107 R)
• M16: 7,634,877 km (0.115 R)
• M17: 9,517,865 km (0.078 R)
• M18: 11,576,930 km (0.04 R)
• M19: 13,788,436 km (0.056 R)
• M20: 14,236,481 km (0.045 R)
• M21: 19,661,947 km (0.091 R)
• M22: 22,696,839 km (0.068 R)
• M23: 25,836,599 km (0.089 R)
• M24: 26,812,426 km (0.062 R)
• M25: 28,837,383 km (0.102 R)
• M26: 35,520,219 km (0.068 R)
• M27: 36,847,900 km (0.052 R)
• M28: 46,364,868 km (0.056 R)
• M29: 47,658,590 km (0.091 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: 344 - 15,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit