🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.4

Radius: 12.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,698,064 km

• M1: 157,975 km (0.08 R)
• M2: 619,036 km (0.108 R)
• M3: 1,021,305 km (0.098 R)
• M4: 1,443,470 km (0.11 R)
• M5: 2,056,821 km (0.102 R)
• M6: 2,730,909 km (0.074 R)
• M7: 3,215,008 km (0.104 R)
• M8: 4,020,293 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.7

Radius: 12.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 12.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,698,064 km

• M1: 150,495 km (0.105 R)
• M2: 584,329 km (0.081 R)
• M3: 1,492,987 km (0.079 R)
• M4: 1,938,788 km (0.098 R)
• M5: 2,343,151 km (0.059 R)
• M6: 2,886,940 km (0.102 R)
• M7: 3,346,504 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 8.6

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 13.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,698,064 km

• M1: 106,962 km (0.118 R)
• M2: 378,632 km (0.09 R)
• M3: 672,143 km (0.116 R)
• M4: 948,002 km (0.078 R)
• M5: 1,221,915 km (0.101 R)
• M6: 1,829,881 km (0.106 R)
• M7: 2,161,091 km (0.114 R)
• M8: 2,694,108 km (0.094 R)
• M9: 3,039,530 km (0.065 R)
• M10: 3,346,056 km (0.082 R)
• M11: 3,869,798 km (0.063 R)
• M12: 5,141,080 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.4

Radius: 8.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 13.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,698,064 km

• M1: 109,506 km (0.072 R)
• M2: 448,345 km (0.076 R)
• M3: 818,151 km (0.112 R)
• M4: 1,126,921 km (0.098 R)
• M5: 1,443,021 km (0.119 R)
• M6: 1,909,318 km (0.097 R)
• M7: 2,185,774 km (0.062 R)
• M8: 2,718,343 km (0.048 R)
• M9: 3,052,096 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 9.6

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.75 AU - 1.15 AU

Year: 617 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,698,064 km

• M1: 119,379 km (0.033 R)
• M2: 500,255 km (0.12 R)
• M3: 920,326 km (0.089 R)
• M4: 1,270,984 km (0.118 R)
• M5: 2,063,104 km (0.054 R)
• M6: 2,709,965 km (0.109 R)
• M7: 3,592,892 km (0.068 R)
• M8: 4,071,755 km (0.107 R)
• M9: 5,157,387 km (0.085 R)
• M10: 6,546,702 km (0.11 R)
• M11: 7,218,995 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 8

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.87 AU - 1.31 AU

Year: 759 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,698,064 km

• M1: 99,483 km (0.109 R)
• M2: 386,112 km (0.114 R)
• M3: 1,041,949 km (0.056 R)
• M4: 1,555,967 km (0.12 R)
• M5: 1,825,244 km (0.098 R)
• M6: 2,187,570 km (0.084 R)
• M7: 2,902,797 km (0.1 R)
• M8: 3,232,062 km (0.051 R)
• M9: 4,525,186 km (0.031 R)
• M10: 4,788,179 km (0.096 R)
• M11: 6,090,578 km (0.108 R)
• M12: 6,565,551 km (0.075 R)
• M13: 6,834,977 km (0.111 R)
• M14: 8,268,723 km (0.112 R)
• M15: 8,689,841 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.4

Radius: 11

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.05 AU - 1.45 AU

Year: 932 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,698,064 km

• M1: 136,732 km (0.113 R)
• M2: 557,701 km (0.071 R)
• M3: 1,057,358 km (0.059 R)
• M4: 1,720,226 km (0.111 R)
• M5: 2,159,445 km (0.108 R)
• M6: 2,785,213 km (0.061 R)
• M7: 3,855,436 km (0.109 R)
• M8: 4,748,984 km (0.12 R)
• M9: 5,357,997 km (0.07 R)
• M10: 5,844,041 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 14.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.18 AU - 1.44 AU

Year: 1000 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,698,064 km

• M1: 176,525 km (0.111 R)
• M2: 620,532 km (0.062 R)
• M3: 1,194,988 km (0.032 R)
• M4: 1,714,392 km (0.079 R)
• M5: 2,582,658 km (0.113 R)
• M6: 3,442,845 km (0.109 R)
• M7: 3,900,764 km (0.028 R)
• M8: 4,557,649 km (0.094 R)
• M9: 5,112,358 km (0.092 R)
• M10: 5,943,523 km (0.077 R)
• M11: 9,099,141 km (0.045 R)
• M12: 9,563,493 km (0.108 R)
• M13: 10,635,062 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 8.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.67 AU - 2.33 AU

Year: 1886 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,698,064 km

• M1: 137,331 km (0.034 R)
• M2: 421,417 km (0.041 R)
• M3: 963,709 km (0.071 R)
• M4: 1,401,134 km (0.096 R)
• M5: 1,697,487 km (0.112 R)
• M6: 2,147,926 km (0.11 R)
• M7: 2,430,217 km (0.062 R)
• M8: 2,978,045 km (0.114 R)
• M9: 4,218,660 km (0.083 R)
• M10: 5,855,560 km (0.115 R)
• M11: 6,770,052 km (0.12 R)
• M12: 7,902,807 km (0.098 R)
• M13: 9,073,410 km (0.055 R)
• M14: 10,054,174 km (0.086 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.7

Radius: 13

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.48 AU - 5.16 AU

Year: 7057 Days

Day: 7.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 107.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,698,064 km

• M1: 161,865 km (0.111 R)
• M2: 666,758 km (0.116 R)
• M3: 1,150,408 km (0.117 R)
• M4: 1,711,699 km (0.044 R)
• M5: 2,213,151 km (0.095 R)
• M6: 2,829,793 km (0.068 R)
• M7: 3,538,738 km (0.099 R)
• M8: 4,922,518 km (0.087 R)
• M9: 5,751,440 km (0.073 R)
• M10: 7,085,404 km (0.026 R)
• M11: 9,699,477 km (0.118 R)
• M12: 10,190,607 km (0.091 R)
• M13: 11,178,551 km (0.099 R)
• M14: 11,627,495 km (0.088 R)
• M15: 16,115,730 km (0.106 R)
• M16: 19,442,338 km (0.106 R)
• M17: 21,852,509 km (0.104 R)
• M18: 23,712,758 km (0.112 R)
• M19: 24,530,909 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit