🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 9.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 10.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 163.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,317,129 km

• M1: 122,521 km (0.071 R)
• M2: 585,227 km (0.115 R)
• M3: 1,469,799 km (0.107 R)
• M4: 1,873,564 km (0.098 R)
• M5: 2,992,705 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.84 AU - 0.86 AU

Year: 514 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,317,129 km

• M1: 99,483 km (0.075 R)
• M2: 417,378 km (0.094 R)
• M3: 670,198 km (0.106 R)
• M4: 952,789 km (0.112 R)
• M5: 1,251,237 km (0.076 R)
• M6: 1,544,299 km (0.117 R)
• M7: 1,945,520 km (0.056 R)
• M8: 2,315,476 km (0.109 R)
• M9: 3,379,117 km (0.091 R)
• M10: 4,650,848 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.9

Radius: 10.1

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.42 AU - 3.56 AU

Year: 3392 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,317,129 km

• M1: 125,662 km (0.064 R)
• M2: 449,841 km (0.1 R)
• M3: 1,038,359 km (0.073 R)
• M4: 1,509,891 km (0.112 R)
• M5: 2,011,044 km (0.116 R)
• M6: 2,719,390 km (0.089 R)
• M7: 3,387,494 km (0.12 R)
• M8: 4,251,871 km (0.083 R)
• M9: 5,829,679 km (0.075 R)
• M10: 6,565,103 km (0.062 R)
• M11: 7,132,078 km (0.12 R)
• M12: 7,834,440 km (0.083 R)
• M13: 8,767,183 km (0.031 R)
• M14: 9,652,503 km (0.079 R)
• M15: 10,554,130 km (0.066 R)
• M16: 10,981,980 km (0.072 R)
• M17: 11,690,774 km (0.083 R)
• M18: 14,622,743 km (0.076 R)
• M19: 15,480,537 km (0.117 R)
• M20: 15,977,651 km (0.111 R)
• M21: 17,296,356 km (0.119 R)
• M22: 18,748,353 km (0.028 R)
• M23: 20,019,187 km (0.11 R)
• M24: 22,449,853 km (0.11 R)
• M25: 24,101,863 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 12.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.85 AU - 3.53 AU

Year: 3738 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,317,129 km

• M1: 150,495 km (0.114 R)
• M2: 531,521 km (0.088 R)
• M3: 1,148,014 km (0.109 R)
• M4: 2,228,709 km (0.069 R)
• M5: 2,637,560 km (0.094 R)
• M6: 3,164,294 km (0.116 R)
• M7: 3,741,592 km (0.101 R)
• M8: 4,178,418 km (0.105 R)
• M9: 6,090,279 km (0.099 R)
• M10: 6,500,027 km (0.114 R)
• M11: 6,957,498 km (0.052 R)
• M12: 7,969,378 km (0.114 R)
• M13: 9,649,362 km (0.061 R)
• M14: 10,788,101 km (0.052 R)
• M15: 13,015,912 km (0.089 R)
• M16: 13,744,753 km (0.053 R)
• M17: 17,150,199 km (0.104 R)
• M18: 19,513,845 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 10.7

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.36 AU - 3.74 AU

Year: 4388 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,317,129 km

• M1: 133,142 km (0.067 R)
• M2: 521,049 km (0.093 R)
• M3: 987,944 km (0.112 R)
• M4: 1,668,016 km (0.103 R)
• M5: 2,021,067 km (0.086 R)
• M6: 2,521,173 km (0.116 R)
• M7: 2,881,405 km (0.088 R)
• M8: 4,083,274 km (0.106 R)
• M9: 5,150,954 km (0.087 R)
• M10: 6,647,681 km (0.048 R)
• M11: 9,069,371 km (0.096 R)
• M12: 9,798,062 km (0.101 R)
• M13: 10,918,849 km (0.091 R)
• M14: 11,417,908 km (0.079 R)
• M15: 12,856,890 km (0.097 R)
• M16: 16,442,452 km (0.116 R)
• M17: 18,463,668 km (0.104 R)
• M18: 20,304,171 km (0.106 R)
• M19: 20,851,699 km (0.095 R)
• M20: 22,048,183 km (0.067 R)
• M21: 24,117,570 km (0.083 R)
• M22: 25,672,790 km (0.097 R)
• M23: 27,211,254 km (0.104 R)
• M24: 28,214,009 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.7

Radius: 12.3

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.99 AU - 4.59 AU

Year: 4840 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,317,129 km

• M1: 206,445 km (0.108 R)
• M2: 730,935 km (0.12 R)
• M3: 1,733,540 km (0.089 R)
• M4: 2,248,905 km (0.101 R)
• M5: 3,056,135 km (0.092 R)
• M6: 3,930,385 km (0.099 R)
• M7: 4,697,074 km (0.11 R)
• M8: 5,709,702 km (0.115 R)
• M9: 7,899,665 km (0.094 R)
• M10: 9,798,361 km (0.1 R)
• M11: 12,386,554 km (0.084 R)
• M12: 14,141,936 km (0.116 R)
• M13: 15,400,802 km (0.064 R)
• M14: 16,983,248 km (0.064 R)
• M15: 18,338,455 km (0.078 R)
• M16: 21,853,855 km (0.049 R)
• M17: 25,795,460 km (0.116 R)
• M18: 31,406,128 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.6

Radius: 7.2

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.84 AU - 13.02 AU

Year: 22097 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,317,129 km

• M1: 90,208 km (0.086 R)
• M2: 315,801 km (0.066 R)
• M3: 723,754 km (0.111 R)
• M4: 1,918,742 km (0.041 R)
• M5: 3,370,889 km (0.076 R)
• M6: 3,639,267 km (0.077 R)
• M7: 5,085,879 km (0.091 R)
• M8: 8,667,850 km (0.066 R)
• M9: 10,367,282 km (0.113 R)
• M10: 13,278,756 km (0.107 R)
• M11: 14,256,378 km (0.111 R)
• M12: 15,200,490 km (0.098 R)
• M13: 18,649,020 km (0.076 R)
• M14: 19,207,619 km (0.094 R)
• M15: 20,456,162 km (0.097 R)
• M16: 21,250,826 km (0.032 R)
• M17: 22,901,788 km (0.092 R)
• M18: 24,194,763 km (0.102 R)
• M19: 29,728,837 km (0.047 R)
• M20: 29,981,508 km (0.105 R)
• M21: 31,135,954 km (0.047 R)
• M22: 36,627,243 km (0.115 R)
• M23: 40,059,916 km (0.077 R)
• M24: 40,989,368 km (0.065 R)
• M25: 44,685,931 km (0.074 R)
• M26: 50,190,086 km (0.117 R)
• M27: 56,322,252 km (0.051 R)
• M28: 71,395,883 km (0.104 R)
• M29: 77,916,705 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit