🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 14.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.39 AU - 1.41 AU

Year: 1087 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,926,070 km

• M1: 184,155 km (0.091 R)
• M2: 698,024 km (0.082 R)
• M3: 1,816,567 km (0.111 R)
• M4: 3,089,944 km (0.12 R)
• M5: 4,179,316 km (0.1 R)
• M6: 4,804,485 km (0.098 R)
• M7: 5,922,430 km (0.085 R)
• M8: 7,111,584 km (0.089 R)
• M9: 9,372,905 km (0.065 R)
• M10: 10,112,068 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.8

Radius: 9.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.5 AU - 1.7 AU

Year: 1328 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,926,070 km

• M1: 118,332 km (0.089 R)
• M2: 738,565 km (0.055 R)
• M3: 1,116,599 km (0.063 R)
• M4: 1,488,499 km (0.048 R)
• M5: 1,903,633 km (0.074 R)
• M6: 2,234,095 km (0.113 R)
• M7: 3,044,616 km (0.06 R)
• M8: 3,428,933 km (0.059 R)
• M9: 3,961,052 km (0.097 R)
• M10: 4,839,491 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.2

Radius: 8.1

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.36 AU - 2.18 AU

Year: 1545 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,926,070 km

• M1: 101,427 km (0.089 R)
• M2: 368,759 km (0.089 R)
• M3: 691,741 km (0.097 R)
• M4: 1,018,761 km (0.094 R)
• M5: 1,282,503 km (0.064 R)
• M6: 1,573,919 km (0.052 R)
• M7: 2,061,608 km (0.087 R)
• M8: 2,490,655 km (0.115 R)
• M9: 2,978,045 km (0.097 R)
• M10: 3,400,060 km (0.082 R)
• M11: 4,457,867 km (0.087 R)
• M12: 5,948,311 km (0.104 R)
• M13: 6,569,291 km (0.099 R)
• M14: 6,870,133 km (0.109 R)
• M15: 7,232,608 km (0.099 R)
• M16: 7,996,156 km (0.12 R)
• M17: 8,842,431 km (0.077 R)
• M18: 9,811,676 km (0.054 R)
• M19: 10,073,023 km (0.115 R)
• M20: 10,677,847 km (0.073 R)
• M21: 11,059,322 km (0.119 R)
• M22: 11,557,931 km (0.067 R)
• M23: 13,421,771 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 12.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.01 AU - 2.11 AU

Year: 1940 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,926,070 km

• M1: 155,432 km (0.11 R)
• M2: 627,862 km (0.045 R)
• M3: 1,198,429 km (0.103 R)
• M4: 1,734,887 km (0.093 R)
• M5: 2,221,977 km (0.11 R)
• M6: 2,676,904 km (0.119 R)
• M7: 3,178,955 km (0.034 R)
• M8: 4,205,645 km (0.056 R)
• M9: 4,626,165 km (0.066 R)
• M10: 5,849,277 km (0.112 R)
• M11: 7,495,003 km (0.115 R)
• M12: 7,972,370 km (0.091 R)
• M13: 10,257,477 km (0.106 R)
• M14: 12,949,341 km (0.09 R)
• M15: 13,392,301 km (0.032 R)
• M16: 13,803,844 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.8 AU - 4.36 AU

Year: 5406 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,926,070 km

• M1: 180,565 km (0.102 R)
• M2: 879,187 km (0.095 R)
• M3: 1,791,883 km (0.081 R)
• M4: 2,305,902 km (0.066 R)
• M5: 3,054,340 km (0.061 R)
• M6: 4,375,887 km (0.111 R)
• M7: 5,152,300 km (0.085 R)
• M8: 5,619,046 km (0.117 R)
• M9: 6,274,883 km (0.034 R)
• M10: 8,082,175 km (0.061 R)
• M11: 10,351,724 km (0.097 R)
• M12: 10,814,580 km (0.103 R)
• M13: 12,390,144 km (0.111 R)
• M14: 13,558,953 km (0.072 R)
• M15: 15,033,688 km (0.079 R)
• M16: 16,301,082 km (0.062 R)
• M17: 19,744,974 km (0.095 R)
• M18: 24,290,206 km (0.081 R)
• M19: 25,027,425 km (0.083 R)
• M20: 27,328,689 km (0.027 R)
• M21: 28,215,954 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 11.4

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.07 AU - 6.25 AU

Year: 8834 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 142.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,926,070 km

• M1: 141,819 km (0.119 R)
• M2: 540,647 km (0.109 R)
• M3: 1,332,917 km (0.116 R)
• M4: 1,822,102 km (0.049 R)
• M5: 2,708,619 km (0.091 R)
• M6: 3,654,377 km (0.115 R)
• M7: 4,106,312 km (0.108 R)
• M8: 4,932,242 km (0.1 R)
• M9: 6,152,960 km (0.114 R)
• M10: 7,032,297 km (0.118 R)
• M11: 11,459,795 km (0.042 R)
• M12: 12,491,572 km (0.088 R)
• M13: 12,969,537 km (0.074 R)
• M14: 16,380,219 km (0.118 R)
• M15: 22,030,530 km (0.073 R)
• M16: 23,083,849 km (0.08 R)
• M17: 28,447,381 km (0.068 R)
• M18: 36,009,554 km (0.104 R)
• M19: 39,478,429 km (0.106 R)
• M20: 46,785,986 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 7.6

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.4 AU - 7.7 AU

Year: 10997 Days

Day: 21 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,926,070 km

• M1: 112,647 km (0.105 R)
• M2: 388,805 km (0.099 R)
• M3: 854,653 km (0.117 R)
• M4: 2,595,373 km (0.101 R)
• M5: 2,883,649 km (0.066 R)
• M6: 3,551,453 km (0.087 R)
• M7: 4,789,376 km (0.088 R)
• M8: 5,506,249 km (0.1 R)
• M9: 6,022,511 km (0.086 R)
• M10: 8,039,838 km (0.112 R)
• M11: 10,250,596 km (0.099 R)
• M12: 10,692,209 km (0.09 R)
• M13: 11,261,877 km (0.093 R)
• M14: 11,851,592 km (0.107 R)
• M15: 16,495,110 km (0.099 R)
• M16: 18,764,211 km (0.113 R)
• M17: 19,930,775 km (0.078 R)
• M18: 25,181,660 km (0.084 R)
• M19: 26,291,377 km (0.079 R)
• M20: 28,499,591 km (0.074 R)
• M21: 29,815,454 km (0.051 R)
• M22: 31,516,681 km (0.1 R)
• M23: 41,973,273 km (0.1 R)
• M24: 43,531,185 km (0.075 R)
• M25: 50,464,897 km (0.11 R)
• M26: 52,063,799 km (0.096 R)
• M27: 54,691,934 km (0.034 R)
• M28: 55,699,775 km (0.116 R)
• M29: 56,208,408 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 13,343 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit