🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 12

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.9 AU - 1.08 AU

Year: 668 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,933,521 km

• M1: 149,299 km (0.031 R)
• M2: 831,315 km (0.103 R)
• M3: 1,600,099 km (0.082 R)
• M4: 2,200,734 km (0.11 R)
• M5: 2,656,260 km (0.077 R)
• M6: 3,199,150 km (0.096 R)
• M7: 6,168,967 km (0.043 R)
• M8: 6,585,149 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 9

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.18 AU - 2.68 AU

Year: 2569 Days

Day: 7.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,933,521 km

• M1: 116,986 km (0.092 R)
• M2: 692,788 km (0.111 R)
• M3: 1,656,497 km (0.082 R)
• M4: 2,438,296 km (0.111 R)
• M5: 2,806,606 km (0.071 R)
• M6: 3,872,790 km (0.118 R)
• M7: 4,644,116 km (0.091 R)
• M8: 5,090,816 km (0.094 R)
• M9: 5,961,625 km (0.109 R)
• M10: 6,988,315 km (0.036 R)
• M11: 7,865,258 km (0.086 R)
• M12: 11,473,857 km (0.059 R)
• M13: 13,378,687 km (0.082 R)
• M14: 13,897,941 km (0.105 R)
• M15: 19,312,786 km (0.107 R)
• M16: 20,592,446 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 14

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.52 AU - 2.54 AU

Year: 2729 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,933,521 km

• M1: 174,282 km (0.078 R)
• M2: 765,642 km (0.119 R)
• M3: 1,641,986 km (0.043 R)
• M4: 2,144,485 km (0.078 R)
• M5: 2,599,712 km (0.106 R)
• M6: 4,352,700 km (0.118 R)
• M7: 4,791,470 km (0.114 R)
• M8: 5,555,616 km (0.089 R)
• M9: 6,208,012 km (0.115 R)
• M10: 8,048,964 km (0.062 R)
• M11: 10,079,007 km (0.051 R)
• M12: 10,812,934 km (0.047 R)
• M13: 13,184,958 km (0.071 R)
• M14: 14,158,092 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.1

Radius: 8.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.41 AU - 3.03 AU

Year: 3043 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,933,521 km

• M1: 112,498 km (0.07 R)
• M2: 402,867 km (0.055 R)
• M3: 849,267 km (0.032 R)
• M4: 1,128,267 km (0.108 R)
• M5: 1,528,441 km (0.112 R)
• M6: 2,221,379 km (0.106 R)
• M7: 3,680,556 km (0.112 R)
• M8: 4,527,131 km (0.039 R)
• M9: 7,162,148 km (0.105 R)
• M10: 8,346,963 km (0.073 R)
• M11: 11,256,043 km (0.098 R)
• M12: 15,985,879 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 8.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.53 AU - 3.85 AU

Year: 3864 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,933,521 km

• M1: 108,309 km (0.116 R)
• M2: 445,203 km (0.12 R)
• M3: 1,106,575 km (0.115 R)
• M4: 2,065,797 km (0.045 R)
• M5: 2,754,695 km (0.051 R)
• M6: 3,398,116 km (0.066 R)
• M7: 4,121,571 km (0.102 R)
• M8: 4,688,397 km (0.053 R)
• M9: 8,358,183 km (0.096 R)
• M10: 10,237,880 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.9

Radius: 6.5

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.46 AU - 8.34 AU

Year: 13653 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,933,521 km

• M1: 80,783 km (0.105 R)
• M2: 289,771 km (0.118 R)
• M3: 625,020 km (0.093 R)
• M4: 1,752,838 km (0.027 R)
• M5: 1,969,157 km (0.084 R)
• M6: 2,260,125 km (0.096 R)
• M7: 3,940,707 km (0.105 R)
• M8: 5,167,858 km (0.102 R)
• M9: 5,371,760 km (0.078 R)
• M10: 6,241,822 km (0.105 R)
• M11: 9,615,852 km (0.115 R)
• M12: 9,821,250 km (0.112 R)
• M13: 10,892,670 km (0.107 R)
• M14: 12,039,936 km (0.115 R)
• M15: 12,827,419 km (0.068 R)
• M16: 13,392,450 km (0.104 R)
• M17: 19,738,242 km (0.114 R)
• M18: 21,876,145 km (0.081 R)
• M19: 24,928,241 km (0.075 R)
• M20: 35,643,039 km (0.09 R)
• M21: 38,538,655 km (0.065 R)
• M22: 40,509,308 km (0.104 R)
• M23: 51,065,233 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.9

Radius: 5.3

Gravity: 26.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.36 AU - 10.46 AU

Year: 19578 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,933,521 km

• M1: 123,867 km (0.103 R)
• M2: 341,233 km (0.053 R)
• M3: 708,944 km (0.096 R)
• M4: 1,386,024 km (0.097 R)
• M5: 1,979,629 km (0.069 R)
• M6: 3,447,034 km (0.031 R)
• M7: 4,350,755 km (0.11 R)
• M8: 5,842,694 km (0.084 R)
• M9: 7,844,464 km (0.046 R)
• M10: 8,148,895 km (0.098 R)
• M11: 9,674,345 km (0.053 R)
• M12: 9,906,820 km (0.097 R)
• M13: 10,874,120 km (0.087 R)
• M14: 11,969,176 km (0.109 R)
• M15: 13,349,366 km (0.1 R)
• M16: 18,385,578 km (0.109 R)
• M17: 18,742,519 km (0.089 R)
• M18: 21,469,389 km (0.107 R)
• M19: 25,317,644 km (0.056 R)
• M20: 29,601,529 km (0.073 R)
• M21: 30,587,379 km (0.046 R)
• M22: 31,850,135 km (0.04 R)
• M23: 34,210,041 km (0.103 R)
• M24: 34,479,317 km (0.05 R)
• M25: 35,158,492 km (0.094 R)
• M26: 37,964,648 km (0.095 R)
• M27: 38,543,293 km (0.061 R)
• M28: 39,274,677 km (0.057 R)
• M29: 40,614,625 km (0.047 R)
• M30: 42,448,246 km (0.104 R)
• M31: 42,759,111 km (0.077 R)
• M32: 43,543,003 km (0.037 R)
• M33: 44,176,850 km (0.091 R)
• M34: 57,230,610 km (0.083 R)
• M35: 61,695,658 km (0.086 R)
• M36: 65,762,326 km (0.096 R)
• M37: 74,424,641 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 13,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit