🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 12.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.14 AU - 1.66 AU

Year: 1105 Days

Day: 10.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,387,177 km

• M1: 159,172 km (0.07 R)
• M2: 734,077 km (0.093 R)
• M3: 1,172,997 km (0.053 R)
• M4: 1,918,443 km (0.117 R)
• M5: 2,800,771 km (0.112 R)
• M6: 3,220,543 km (0.109 R)
• M7: 4,706,499 km (0.046 R)
• M8: 5,173,394 km (0.117 R)
• M9: 5,830,876 km (0.064 R)
• M10: 6,587,093 km (0.119 R)
• M11: 7,431,424 km (0.1 R)
• M12: 8,979,612 km (0.116 R)
• M13: 9,531,329 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.1

Radius: 10.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.26 AU - 1.84 AU

Year: 1287 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,387,177 km

• M1: 128,056 km (0.115 R)
• M2: 847,322 km (0.065 R)
• M3: 1,234,781 km (0.066 R)
• M4: 1,794,277 km (0.1 R)
• M5: 2,458,043 km (0.048 R)
• M6: 3,397,218 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 12.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.56 AU - 1.62 AU

Year: 1337 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,387,177 km

• M1: 150,645 km (0.119 R)
• M2: 748,737 km (0.109 R)
• M3: 1,738,776 km (0.065 R)
• M4: 3,037,136 km (0.082 R)
• M5: 3,775,850 km (0.085 R)
• M6: 4,630,802 km (0.089 R)
• M7: 5,276,167 km (0.109 R)
• M8: 5,938,736 km (0.097 R)
• M9: 7,047,556 km (0.098 R)
• M10: 9,074,457 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.3

Radius: 10.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.46 AU - 2.08 AU

Year: 1570 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,387,177 km

• M1: 130,300 km (0.063 R)
• M2: 460,462 km (0.1 R)
• M3: 790,326 km (0.081 R)
• M4: 1,114,205 km (0.07 R)
• M5: 1,522,308 km (0.049 R)
• M6: 1,851,722 km (0.059 R)
• M7: 2,679,447 km (0.095 R)
• M8: 3,526,620 km (0.086 R)
• M9: 4,155,530 km (0.098 R)
• M10: 5,654,650 km (0.09 R)
• M11: 6,477,588 km (0.098 R)
• M12: 6,836,623 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.1

Radius: 8.2

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.4 AU - 2.44 AU

Year: 2510 Days

Day: 10.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,387,177 km

• M1: 102,923 km (0.071 R)
• M2: 483,800 km (0.107 R)
• M3: 747,840 km (0.099 R)
• M4: 1,038,508 km (0.108 R)
• M5: 2,151,367 km (0.073 R)
• M6: 2,738,090 km (0.095 R)
• M7: 3,173,719 km (0.1 R)
• M8: 4,248,430 km (0.112 R)
• M9: 4,951,989 km (0.119 R)
• M10: 5,600,047 km (0.085 R)
• M11: 6,647,381 km (0.104 R)
• M12: 6,973,505 km (0.058 R)
• M13: 7,594,037 km (0.063 R)
• M14: 8,083,222 km (0.091 R)
• M15: 8,697,770 km (0.059 R)
• M16: 9,197,127 km (0.096 R)
• M17: 9,943,172 km (0.088 R)
• M18: 11,640,659 km (0.051 R)
• M19: 13,903,177 km (0.106 R)
• M20: 14,193,098 km (0.1 R)
• M21: 14,685,125 km (0.119 R)
• M22: 15,188,522 km (0.112 R)
• M23: 16,336,536 km (0.117 R)
• M24: 18,396,050 km (0.085 R)
• M25: 20,748,028 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 13.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.36 AU - 5.78 AU

Year: 8766 Days

Day: 6.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,387,177 km

• M1: 174,132 km (0.118 R)
• M2: 613,950 km (0.077 R)
• M3: 1,137,243 km (0.103 R)
• M4: 3,019,334 km (0.102 R)
• M5: 3,855,287 km (0.076 R)
• M6: 6,361,799 km (0.074 R)
• M7: 7,501,286 km (0.042 R)
• M8: 8,099,678 km (0.068 R)
• M9: 10,868,136 km (0.12 R)
• M10: 11,740,590 km (0.09 R)
• M11: 12,548,718 km (0.069 R)
• M12: 13,859,495 km (0.045 R)
• M13: 14,336,263 km (0.074 R)
• M14: 17,638,038 km (0.068 R)
• M15: 19,281,221 km (0.103 R)
• M16: 21,102,425 km (0.062 R)
• M17: 22,705,516 km (0.057 R)
• M18: 27,438,643 km (0.042 R)
• M19: 28,573,193 km (0.108 R)
• M20: 32,477,548 km (0.027 R)
• M21: 33,961,858 km (0.11 R)
• M22: 35,380,196 km (0.11 R)
• M23: 36,048,001 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 4.6

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.28 AU - 9.38 AU

Year: 16032 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,387,177 km

• M1: 89,759 km (0.072 R)
• M2: 237,412 km (0.07 R)
• M3: 469,887 km (0.074 R)
• M4: 626,665 km (0.084 R)
• M5: 1,285,345 km (0.047 R)
• M6: 1,962,126 km (0.088 R)
• M7: 3,979,303 km (0.114 R)
• M8: 5,049,078 km (0.097 R)
• M9: 5,244,453 km (0.069 R)
• M10: 5,512,682 km (0.048 R)
• M11: 5,719,875 km (0.099 R)
• M12: 5,932,154 km (0.088 R)
• M13: 6,486,115 km (0.111 R)
• M14: 6,755,989 km (0.1 R)
• M15: 7,738,847 km (0.114 R)
• M16: 11,254,098 km (0.095 R)
• M17: 12,274,954 km (0.109 R)
• M18: 14,110,819 km (0.077 R)
• M19: 14,498,726 km (0.081 R)
• M20: 16,192,174 km (0.037 R)
• M21: 18,013,080 km (0.119 R)
• M22: 18,240,319 km (0.052 R)
• M23: 18,623,439 km (0.042 R)
• M24: 19,168,574 km (0.11 R)
• M25: 20,785,128 km (0.071 R)
• M26: 24,194,613 km (0.091 R)
• M27: 25,125,262 km (0.116 R)
• M28: 25,694,930 km (0.117 R)
• M29: 25,982,906 km (0.111 R)
• M30: 29,086,912 km (0.06 R)
• M31: 29,399,871 km (0.034 R)
• M32: 30,032,371 km (0.099 R)
• M33: 31,324,448 km (0.108 R)
• M34: 38,846,827 km (0.12 R)
• M35: 41,292,004 km (0.05 R)
• M36: 45,498,397 km (0.061 R)
• M37: 49,091,738 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 20,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit