🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 10.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.76 AU - 1.26 AU

Year: 677 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,030,021 km

• M1: 134,339 km (0.057 R)
• M2: 470,485 km (0.097 R)
• M3: 1,170,903 km (0.104 R)
• M4: 1,722,619 km (0.098 R)
• M5: 2,588,043 km (0.06 R)
• M6: 3,198,851 km (0.092 R)
• M7: 5,403,475 km (0.113 R)
• M8: 6,021,464 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 12.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.08 AU - 1.14 AU

Year: 780 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,030,021 km

• M1: 159,771 km (0.091 R)
• M2: 619,784 km (0.027 R)
• M3: 1,016,966 km (0.096 R)
• M4: 1,441,375 km (0.096 R)
• M5: 1,940,584 km (0.106 R)
• M6: 2,975,651 km (0.118 R)
• M7: 3,443,294 km (0.116 R)
• M8: 5,007,490 km (0.053 R)
• M9: 5,789,886 km (0.088 R)
• M10: 6,460,534 km (0.12 R)
• M11: 7,091,986 km (0.101 R)
• M12: 7,574,739 km (0.054 R)
• M13: 7,981,495 km (0.116 R)
• M14: 8,428,045 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 10.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.1 AU - 1.18 AU

Year: 812 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,030,021 km

• M1: 133,591 km (0.106 R)
• M2: 477,666 km (0.108 R)
• M3: 886,367 km (0.05 R)
• M4: 1,264,850 km (0.099 R)
• M5: 2,109,180 km (0.084 R)
• M6: 2,626,789 km (0.085 R)
• M7: 3,034,593 km (0.112 R)
• M8: 3,456,758 km (0.077 R)
• M9: 4,070,558 km (0.106 R)
• M10: 4,653,092 km (0.111 R)
• M11: 4,982,656 km (0.093 R)
• M12: 7,866,903 km (0.103 R)
• M13: 8,260,944 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 9.6

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.13 AU - 1.51 AU

Year: 1011 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 82,030,021 km

• M1: 119,379 km (0.119 R)
• M2: 461,061 km (0.06 R)
• M3: 964,009 km (0.048 R)
• M4: 1,396,945 km (0.117 R)
• M5: 2,189,365 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.6

Radius: 10.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.83 AU - 4.51 AU

Year: 5679 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,030,021 km

• M1: 126,111 km (0.1 R)
• M2: 688,300 km (0.117 R)
• M3: 1,019,210 km (0.101 R)
• M4: 1,376,300 km (0.115 R)
• M5: 1,828,834 km (0.071 R)
• M6: 2,222,426 km (0.115 R)
• M7: 2,571,887 km (0.104 R)
• M8: 3,756,103 km (0.101 R)
• M9: 5,065,533 km (0.089 R)
• M10: 6,989,063 km (0.111 R)
• M11: 7,776,845 km (0.045 R)
• M12: 9,186,207 km (0.034 R)
• M13: 9,915,796 km (0.104 R)
• M14: 11,024,465 km (0.1 R)
• M15: 12,296,047 km (0.091 R)
• M16: 13,399,332 km (0.082 R)
• M17: 14,155,549 km (0.074 R)
• M18: 15,655,866 km (0.078 R)
• M19: 16,046,915 km (0.094 R)
• M20: 16,595,341 km (0.054 R)
• M21: 17,156,183 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 9.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.71 AU - 5.03 AU

Year: 6092 Days

Day: 13.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,030,021 km

• M1: 121,922 km (0.077 R)
• M2: 444,904 km (0.052 R)
• M3: 764,296 km (0.105 R)
• M4: 1,264,551 km (0.103 R)
• M5: 1,590,824 km (0.076 R)
• M6: 1,908,121 km (0.068 R)
• M7: 2,433,957 km (0.065 R)
• M8: 4,512,021 km (0.108 R)
• M9: 5,421,128 km (0.05 R)
• M10: 5,976,585 km (0.093 R)
• M11: 6,817,474 km (0.049 R)
• M12: 7,332,390 km (0.087 R)
• M13: 7,701,149 km (0.086 R)
• M14: 8,259,747 km (0.105 R)
• M15: 8,770,624 km (0.104 R)
• M16: 10,181,033 km (0.108 R)
• M17: 14,153,455 km (0.11 R)
• M18: 15,423,391 km (0.117 R)
• M19: 17,409,602 km (0.114 R)
• M20: 18,310,779 km (0.082 R)
• M21: 22,649,118 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.5

Radius: 7.8

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.09 AU - 11.77 AU

Year: 20867 Days

Day: 23.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,030,021 km

• M1: 106,065 km (0.108 R)
• M2: 352,004 km (0.11 R)
• M3: 823,686 km (0.094 R)
• M4: 1,068,129 km (0.095 R)
• M5: 1,439,580 km (0.085 R)
• M6: 1,915,002 km (0.091 R)
• M7: 2,467,617 km (0.071 R)
• M8: 2,858,067 km (0.046 R)
• M9: 3,609,946 km (0.057 R)
• M10: 4,628,409 km (0.105 R)
• M11: 4,957,225 km (0.103 R)
• M12: 5,262,404 km (0.12 R)
• M13: 5,910,761 km (0.106 R)
• M14: 11,223,281 km (0.082 R)
• M15: 14,103,788 km (0.088 R)
• M16: 14,953,205 km (0.088 R)
• M17: 17,618,141 km (0.106 R)
• M18: 18,330,825 km (0.101 R)
• M19: 19,062,509 km (0.118 R)
• M20: 21,274,612 km (0.062 R)
• M21: 27,012,738 km (0.069 R)
• M22: 37,211,423 km (0.072 R)
• M23: 38,978,473 km (0.099 R)
• M24: 50,948,696 km (0.119 R)
• M25: 54,050,159 km (0.101 R)
• M26: 58,836,244 km (0.119 R)
• M27: 62,862,671 km (0.116 R)
• M28: 69,460,685 km (0.101 R)
• M29: 70,344,360 km (0.043 R)
• M30: 75,106,509 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 19,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit