🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.61 AU - 0.65 AU

Year: 323 Days

Day: 31.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 12.8

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.48 AU - 1.72 AU

Year: 1307 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,448,048 km

• M1: 159,172 km (0.111 R)
• M2: 683,213 km (0.108 R)
• M3: 1,227,002 km (0.074 R)
• M4: 1,692,251 km (0.117 R)
• M5: 2,131,620 km (0.082 R)
• M6: 3,047,309 km (0.118 R)
• M7: 4,912,196 km (0.113 R)
• M8: 5,478,872 km (0.089 R)
• M9: 6,066,194 km (0.068 R)
• M10: 6,792,043 km (0.075 R)
• M11: 7,214,208 km (0.116 R)
• M12: 7,680,355 km (0.046 R)
• M13: 8,194,223 km (0.11 R)
• M14: 9,442,468 km (0.09 R)
• M15: 10,483,669 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.2

Radius: 13.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.83 AU - 2.07 AU

Year: 1758 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,448,048 km

• M1: 168,298 km (0.068 R)
• M2: 786,436 km (0.07 R)
• M3: 1,214,735 km (0.072 R)
• M4: 2,421,840 km (0.031 R)
• M5: 4,438,270 km (0.108 R)
• M6: 6,162,983 km (0.113 R)
• M7: 7,104,403 km (0.033 R)
• M8: 10,826,099 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685

Radius: 10.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.91 AU - 2.07 AU

Year: 1813 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,448,048 km

• M1: 127,009 km (0.114 R)
• M2: 490,531 km (0.092 R)
• M3: 807,978 km (0.076 R)
• M4: 1,423,723 km (0.072 R)
• M5: 1,885,382 km (0.114 R)
• M6: 2,317,421 km (0.092 R)
• M7: 2,858,367 km (0.099 R)
• M8: 3,668,289 km (0.102 R)
• M9: 4,444,553 km (0.083 R)
• M10: 5,063,439 km (0.115 R)
• M11: 5,715,387 km (0.052 R)
• M12: 7,023,620 km (0.07 R)
• M13: 8,069,160 km (0.046 R)
• M14: 8,832,408 km (0.037 R)
• M15: 9,543,147 km (0.114 R)
• M16: 10,014,979 km (0.089 R)
• M17: 10,431,759 km (0.036 R)
• M18: 10,751,898 km (0.101 R)
• M19: 12,373,240 km (0.064 R)
• M20: 13,429,401 km (0.1 R)
• M21: 14,500,522 km (0.088 R)
• M22: 14,855,069 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 12

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.13 AU - 2.27 AU

Year: 2107 Days

Day: 14.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,448,048 km

• M1: 149,299 km (0.063 R)
• M2: 558,748 km (0.093 R)
• M3: 947,403 km (0.069 R)
• M4: 1,824,496 km (0.087 R)
• M5: 2,198,341 km (0.095 R)
• M6: 3,327,057 km (0.105 R)
• M7: 3,732,168 km (0.092 R)
• M8: 4,189,488 km (0.105 R)
• M9: 5,195,384 km (0.061 R)
• M10: 5,838,805 km (0.094 R)
• M11: 6,849,638 km (0.118 R)
• M12: 7,257,591 km (0.085 R)
• M13: 7,681,701 km (0.098 R)
• M14: 8,333,798 km (0.06 R)
• M15: 9,249,337 km (0.079 R)
• M16: 11,773,652 km (0.059 R)
• M17: 12,320,881 km (0.063 R)
• M18: 13,298,652 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.5

Radius: 6.6

Gravity: 17.8 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.66 AU - 7.64 AU

Year: 9848 Days

Day: 16.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,448,048 km

• M1: 97,538 km (0.109 R)
• M2: 520,002 km (0.105 R)
• M3: 747,541 km (0.105 R)
• M4: 1,021,753 km (0.103 R)
• M5: 1,455,288 km (0.07 R)
• M6: 1,792,482 km (0.069 R)
• M7: 2,039,468 km (0.081 R)
• M8: 2,943,338 km (0.108 R)
• M9: 3,361,464 km (0.1 R)
• M10: 3,584,963 km (0.112 R)
• M11: 4,089,707 km (0.098 R)
• M12: 4,640,825 km (0.059 R)
• M13: 5,273,175 km (0.056 R)
• M14: 6,824,954 km (0.098 R)
• M15: 8,475,916 km (0.047 R)
• M16: 8,705,100 km (0.036 R)
• M17: 8,938,622 km (0.102 R)
• M18: 9,813,920 km (0.08 R)
• M19: 10,852,129 km (0.075 R)
• M20: 11,122,751 km (0.09 R)
• M21: 11,733,859 km (0.031 R)
• M22: 12,543,781 km (0.083 R)
• M23: 15,467,821 km (0.095 R)
• M24: 16,654,282 km (0.117 R)
• M25: 17,014,663 km (0.118 R)
• M26: 18,584,693 km (0.099 R)
• M27: 20,167,588 km (0.041 R)
• M28: 22,707,162 km (0.111 R)
• M29: 27,003,313 km (0.074 R)
• M30: 30,506,147 km (0.059 R)
• M31: 33,609,106 km (0.059 R)
• M32: 33,953,481 km (0.084 R)
• M33: 40,823,464 km (0.062 R)
• M34: 42,540,997 km (0.031 R)
• M35: 46,119,528 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 11,001 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit