🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 9.4

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.15 AU - 1.53 AU

Year: 1071 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,695,494 km

• M1: 116,986 km (0.12 R)
• M2: 438,771 km (0.079 R)
• M3: 936,782 km (0.12 R)
• M4: 1,245,253 km (0.116 R)
• M5: 1,590,973 km (0.113 R)
• M6: 2,182,483 km (0.085 R)
• M7: 2,535,235 km (0.109 R)
• M8: 2,842,360 km (0.072 R)
• M9: 3,902,859 km (0.095 R)
• M10: 4,506,935 km (0.086 R)
• M11: 5,481,864 km (0.098 R)
• M12: 6,138,898 km (0.113 R)
• M13: 6,675,955 km (0.085 R)
• M14: 7,289,156 km (0.075 R)
• M15: 7,773,255 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.3

Radius: 8.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2 AU - 2.08 AU

Year: 2011 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,695,494 km

• M1: 103,223 km (0.093 R)
• M2: 641,775 km (0.119 R)
• M3: 1,391,410 km (0.074 R)
• M4: 2,082,103 km (0.103 R)
• M5: 3,879,073 km (0.068 R)
• M6: 5,026,788 km (0.049 R)
• M7: 5,715,686 km (0.103 R)
• M8: 7,108,143 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.1

Radius: 10.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.21 AU - 2.59 AU

Year: 2566 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,695,494 km

• M1: 130,599 km (0.082 R)
• M2: 491,579 km (0.056 R)
• M3: 1,011,431 km (0.099 R)
• M4: 1,431,352 km (0.058 R)
• M5: 1,774,680 km (0.117 R)
• M6: 2,147,029 km (0.07 R)
• M7: 2,853,131 km (0.07 R)
• M8: 3,207,827 km (0.099 R)
• M9: 3,885,356 km (0.069 R)
• M10: 4,215,818 km (0.088 R)
• M11: 5,223,509 km (0.097 R)
• M12: 6,244,514 km (0.067 R)
• M13: 6,700,040 km (0.095 R)
• M14: 7,177,706 km (0.106 R)
• M15: 7,519,088 km (0.059 R)
• M16: 9,801,652 km (0.085 R)
• M17: 10,339,457 km (0.103 R)
• M18: 11,265,767 km (0.095 R)
• M19: 11,600,716 km (0.073 R)
• M20: 12,159,016 km (0.069 R)
• M21: 13,375,994 km (0.059 R)
• M22: 16,315,293 km (0.101 R)
• M23: 18,134,403 km (0.118 R)
• M24: 20,890,595 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.4

Radius: 9.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.05 AU - 3.37 AU

Year: 3079 Days

Day: 8.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 59.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,695,494 km

• M1: 129,103 km (0.073 R)
• M2: 552,465 km (0.111 R)
• M3: 953,686 km (0.118 R)
• M4: 1,357,900 km (0.074 R)
• M5: 1,936,844 km (0.102 R)
• M6: 2,447,571 km (0.119 R)
• M7: 3,417,115 km (0.033 R)
• M8: 4,293,608 km (0.109 R)
• M9: 4,761,700 km (0.093 R)
• M10: 5,721,520 km (0.06 R)
• M11: 6,289,094 km (0.118 R)
• M12: 7,568,605 km (0.082 R)
• M13: 8,697,022 km (0.085 R)
• M14: 9,972,344 km (0.1 R)
• M15: 11,284,915 km (0.069 R)
• M16: 11,961,397 km (0.088 R)
• M17: 13,209,791 km (0.103 R)
• M18: 15,600,216 km (0.071 R)
• M19: 15,963,738 km (0.103 R)
• M20: 16,332,946 km (0.069 R)
• M21: 18,495,533 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 14.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.31 AU - 3.75 AU

Year: 4578 Days

Day: 5 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,695,494 km

• M1: 179,218 km (0.112 R)
• M2: 671,545 km (0.104 R)
• M3: 1,165,517 km (0.118 R)
• M4: 1,711,100 km (0.116 R)
• M5: 2,202,230 km (0.116 R)
• M6: 4,303,183 km (0.115 R)
• M7: 5,472,889 km (0.059 R)
• M8: 6,252,742 km (0.106 R)
• M9: 6,717,393 km (0.083 R)
• M10: 7,205,232 km (0.098 R)
• M11: 7,681,701 km (0.03 R)
• M12: 8,215,765 km (0.111 R)
• M13: 12,291,410 km (0.081 R)
• M14: 12,776,556 km (0.106 R)
• M15: 15,064,954 km (0.109 R)
• M16: 15,790,504 km (0.114 R)
• M17: 17,860,340 km (0.119 R)
• M18: 18,483,565 km (0.07 R)
• M19: 20,780,042 km (0.03 R)
• M20: 22,174,593 km (0.066 R)
• M21: 23,260,973 km (0.119 R)
• M22: 24,611,094 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 14.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.73 AU - 3.89 AU

Year: 5133 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,695,494 km

• M1: 177,423 km (0.049 R)
• M2: 674,387 km (0.102 R)
• M3: 1,617,901 km (0.083 R)
• M4: 2,465,523 km (0.093 R)
• M5: 2,991,808 km (0.052 R)
• M6: 4,734,174 km (0.064 R)
• M7: 7,144,495 km (0.057 R)
• M8: 7,759,941 km (0.09 R)
• M9: 8,263,038 km (0.1 R)
• M10: 11,158,655 km (0.109 R)
• M11: 17,861,836 km (0.117 R)
• M12: 19,518,782 km (0.114 R)
• M13: 20,520,190 km (0.111 R)
• M14: 21,979,518 km (0.117 R)
• M15: 22,916,748 km (0.07 R)
• M16: 27,262,267 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.8

Radius: 4.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.92 AU - 9.24 AU

Year: 15854 Days

Day: 15.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,695,494 km

• M1: 58,642 km (0.11 R)
• M2: 300,393 km (0.111 R)
• M3: 716,424 km (0.119 R)
• M4: 982,858 km (0.109 R)
• M5: 1,357,601 km (0.088 R)
• M6: 2,680,644 km (0.074 R)
• M7: 4,957,524 km (0.071 R)
• M8: 13,352,059 km (0.088 R)
• M9: 19,146,732 km (0.108 R)
• M10: 21,544,786 km (0.119 R)
• M11: 26,084,932 km (0.083 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 13,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit