🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.2

Radius: 15

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.08 AU - 1.12 AU

Year: 796 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,802,894 km

• M1: 186,698 km (0.056 R)
• M2: 737,368 km (0.09 R)
• M3: 2,400,896 km (0.047 R)
• M4: 3,597,978 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 14.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.47 AU - 1.57 AU

Year: 1294 Days

Day: 10.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,802,894 km

• M1: 183,856 km (0.072 R)
• M2: 924,964 km (0.076 R)
• M3: 1,549,834 km (0.103 R)
• M4: 2,353,623 km (0.111 R)
• M5: 2,847,147 km (0.065 R)
• M6: 4,700,066 km (0.116 R)
• M7: 5,386,571 km (0.092 R)
• M8: 6,043,904 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 12.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.09 AU - 2.91 AU

Year: 2728 Days

Day: 12.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,802,894 km

• M1: 154,235 km (0.105 R)
• M2: 880,832 km (0.109 R)
• M3: 1,445,564 km (0.108 R)
• M4: 1,995,785 km (0.116 R)
• M5: 2,424,832 km (0.103 R)
• M6: 3,558,335 km (0.094 R)
• M7: 4,431,987 km (0.111 R)
• M8: 6,343,847 km (0.116 R)
• M9: 7,744,083 km (0.111 R)
• M10: 8,627,160 km (0.093 R)
• M11: 9,241,408 km (0.104 R)
• M12: 10,593,773 km (0.096 R)
• M13: 11,489,116 km (0.114 R)
• M14: 15,488,167 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 14.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.32 AU - 4.64 AU

Year: 5481 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,802,894 km

• M1: 181,612 km (0.036 R)
• M2: 675,285 km (0.095 R)
• M3: 1,313,769 km (0.105 R)
• M4: 1,801,906 km (0.108 R)
• M5: 3,083,960 km (0.113 R)
• M6: 3,570,153 km (0.112 R)
• M7: 4,202,653 km (0.051 R)
• M8: 4,777,408 km (0.116 R)
• M9: 5,404,522 km (0.062 R)
• M10: 6,791,594 km (0.083 R)
• M11: 7,622,610 km (0.063 R)
• M12: 8,213,821 km (0.085 R)
• M13: 9,446,507 km (0.049 R)
• M14: 10,305,049 km (0.091 R)
• M15: 10,936,652 km (0.111 R)
• M16: 11,835,136 km (0.093 R)
• M17: 13,672,049 km (0.073 R)
• M18: 15,055,231 km (0.112 R)
• M19: 19,288,252 km (0.111 R)
• M20: 19,833,536 km (0.097 R)
• M21: 23,477,740 km (0.11 R)
• M22: 25,053,006 km (0.044 R)
• M23: 27,205,121 km (0.059 R)
• M24: 27,804,859 km (0.036 R)
• M25: 28,853,839 km (0.057 R)
• M26: 30,019,655 km (0.098 R)
• M27: 30,937,737 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 8.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.36 AU - 4.6 AU

Year: 6545 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,802,894 km

• M1: 109,506 km (0.099 R)
• M2: 386,112 km (0.076 R)
• M3: 790,625 km (0.064 R)
• M4: 1,572,124 km (0.083 R)
• M5: 2,867,642 km (0.114 R)
• M6: 3,315,238 km (0.089 R)
• M7: 4,639,778 km (0.12 R)
• M8: 4,942,265 km (0.103 R)
• M9: 6,945,979 km (0.061 R)
• M10: 9,122,628 km (0.092 R)
• M11: 10,950,863 km (0.119 R)
• M12: 20,720,203 km (0.067 R)
• M13: 21,752,877 km (0.1 R)
• M14: 25,056,596 km (0.083 R)
• M15: 25,912,296 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.4

Radius: 4.7

Gravity: 28.67 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.54 AU - 9.46 AU

Year: 15619 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,802,894 km

• M1: 58,642 km (0.109 R)
• M2: 227,090 km (0.1 R)
• M3: 430,842 km (0.086 R)
• M4: 640,129 km (0.089 R)
• M5: 915,838 km (0.084 R)
• M6: 1,267,393 km (0.095 R)
• M7: 1,654,403 km (0.063 R)
• M8: 2,174,854 km (0.07 R)
• M9: 2,659,850 km (0.12 R)
• M10: 2,892,026 km (0.088 R)
• M11: 3,188,379 km (0.094 R)
• M12: 3,504,629 km (0.106 R)
• M13: 3,755,355 km (0.082 R)
• M14: 4,744,796 km (0.114 R)
• M15: 5,555,616 km (0.11 R)
• M16: 5,974,341 km (0.073 R)
• M17: 7,267,764 km (0.085 R)
• M18: 9,042,892 km (0.075 R)
• M19: 9,250,684 km (0.114 R)
• M20: 10,281,263 km (0.069 R)
• M21: 10,911,519 km (0.059 R)
• M22: 15,613,380 km (0.032 R)
• M23: 19,117,261 km (0.105 R)
• M24: 21,416,282 km (0.113 R)
• M25: 22,065,237 km (0.083 R)
• M26: 26,237,372 km (0.106 R)
• M27: 28,954,668 km (0.113 R)
• M28: 34,940,677 km (0.041 R)
• M29: 40,284,911 km (0.063 R)
• M30: 47,074,560 km (0.067 R)
• M31: 48,170,365 km (0.099 R)
• M32: 48,328,340 km (0.078 R)
• M33: 52,222,672 km (0.066 R)
• M34: 56,496,384 km (0.063 R)
• M35: 58,269,268 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.6

Radius: 8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.2 AU - 11.06 AU

Year: 22255 Days

Day: 19.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,802,894 km

• M1: 109,954 km (0.105 R)
• M2: 924,814 km (0.077 R)
• M3: 1,248,693 km (0.095 R)
• M4: 1,616,704 km (0.106 R)
• M5: 2,148,973 km (0.078 R)
• M6: 2,466,869 km (0.119 R)
• M7: 3,559,981 km (0.117 R)
• M8: 5,220,068 km (0.092 R)
• M9: 6,538,474 km (0.104 R)
• M10: 8,591,555 km (0.097 R)
• M11: 9,553,021 km (0.12 R)
• M12: 10,810,690 km (0.05 R)
• M13: 11,098,068 km (0.104 R)
• M14: 11,991,017 km (0.083 R)
• M15: 13,189,895 km (0.117 R)
• M16: 16,800,140 km (0.071 R)
• M17: 19,542,568 km (0.119 R)
• M18: 21,649,056 km (0.095 R)
• M19: 23,040,017 km (0.118 R)
• M20: 23,805,659 km (0.082 R)
• M21: 30,897,495 km (0.057 R)
• M22: 31,711,009 km (0.065 R)
• M23: 32,300,723 km (0.072 R)
• M24: 36,249,658 km (0.108 R)
• M25: 38,206,847 km (0.068 R)
• M26: 39,959,087 km (0.104 R)
• M27: 43,333,716 km (0.107 R)
• M28: 46,438,321 km (0.119 R)
• M29: 56,636,557 km (0.092 R)
• M30: 58,205,390 km (0.066 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: 524 - 19,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit