🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 14.3

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.19 AU - 1.55 AU

Year: 1035 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,964,631 km

• M1: 178,021 km (0.104 R)
• M2: 623,973 km (0.047 R)
• M3: 1,421,180 km (0.056 R)
• M4: 2,210,907 km (0.117 R)
• M5: 2,889,632 km (0.108 R)
• M6: 3,500,740 km (0.107 R)
• M7: 4,077,739 km (0.052 R)
• M8: 5,019,607 km (0.057 R)
• M9: 5,478,872 km (0.098 R)
• M10: 6,320,360 km (0.096 R)
• M11: 6,814,931 km (0.113 R)
• M12: 7,559,779 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.9

Radius: 8.9

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.46 AU - 1.52 AU

Year: 1174 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,964,631 km

• M1: 111,002 km (0.101 R)
• M2: 407,205 km (0.072 R)
• M3: 836,102 km (0.067 R)
• M4: 1,285,794 km (0.102 R)
• M5: 1,870,572 km (0.065 R)
• M6: 2,242,023 km (0.12 R)
• M7: 2,741,680 km (0.105 R)
• M8: 3,612,489 km (0.079 R)
• M9: 3,980,799 km (0.115 R)
• M10: 4,599,387 km (0.037 R)
• M11: 5,012,576 km (0.064 R)
• M12: 5,601,842 km (0.12 R)
• M13: 6,260,222 km (0.056 R)
• M14: 6,595,920 km (0.118 R)
• M15: 7,329,996 km (0.096 R)
• M16: 7,730,470 km (0.12 R)
• M17: 9,605,829 km (0.105 R)
• M18: 10,315,222 km (0.117 R)
• M19: 10,886,985 km (0.104 R)
• M20: 11,947,335 km (0.066 R)
• M21: 12,615,738 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.9

Radius: 14.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.36 AU - 2.94 AU

Year: 2785 Days

Day: 11.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,964,631 km

• M1: 182,809 km (0.11 R)
• M2: 766,390 km (0.087 R)
• M3: 1,500,467 km (0.104 R)
• M4: 2,186,223 km (0.047 R)
• M5: 3,288,012 km (0.066 R)
• M6: 3,903,607 km (0.104 R)
• M7: 4,392,941 km (0.065 R)
• M8: 5,317,606 km (0.056 R)
• M9: 6,340,107 km (0.083 R)
• M10: 7,268,213 km (0.051 R)
• M11: 8,148,895 km (0.066 R)
• M12: 10,400,642 km (0.103 R)
• M13: 11,222,084 km (0.047 R)
• M14: 11,998,048 km (0.052 R)
• M15: 12,671,837 km (0.056 R)
• M16: 14,243,064 km (0.09 R)
• M17: 15,308,649 km (0.093 R)
• M18: 16,047,962 km (0.108 R)
• M19: 16,977,862 km (0.119 R)
• M20: 18,469,054 km (0.117 R)
• M21: 19,612,879 km (0.11 R)
• M22: 20,867,407 km (0.073 R)
• M23: 21,645,466 km (0.116 R)
• M24: 22,174,743 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 14.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.58 AU - 5.28 AU

Year: 6020 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 56.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,964,631 km

• M1: 184,305 km (0.092 R)
• M2: 648,507 km (0.103 R)
• M3: 1,275,771 km (0.111 R)
• M4: 2,236,039 km (0.08 R)
• M5: 2,994,501 km (0.081 R)
• M6: 3,729,774 km (0.088 R)
• M7: 4,885,717 km (0.063 R)
• M8: 5,655,697 km (0.111 R)
• M9: 6,539,821 km (0.111 R)
• M10: 7,938,112 km (0.081 R)
• M11: 11,220,887 km (0.05 R)
• M12: 11,982,789 km (0.084 R)
• M13: 12,778,949 km (0.111 R)
• M14: 14,010,140 km (0.096 R)
• M15: 14,536,126 km (0.119 R)
• M16: 15,814,888 km (0.1 R)
• M17: 17,500,557 km (0.037 R)
• M18: 18,806,098 km (0.068 R)
• M19: 19,808,852 km (0.1 R)
• M20: 24,430,978 km (0.11 R)
• M21: 25,023,086 km (0.095 R)
• M22: 26,857,455 km (0.07 R)
• M23: 29,918,677 km (0.099 R)
• M24: 30,499,266 km (0.092 R)
• M25: 32,387,640 km (0.119 R)
• M26: 34,352,907 km (0.083 R)
• M27: 35,850,980 km (0.108 R)
• M28: 37,169,237 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 13.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.68 AU - 6.36 AU

Year: 8374 Days

Day: 6.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,964,631 km

• M1: 172,935 km (0.092 R)
• M2: 817,253 km (0.113 R)
• M3: 1,526,197 km (0.03 R)
• M4: 2,408,376 km (0.097 R)
• M5: 3,448,231 km (0.105 R)
• M6: 4,573,506 km (0.086 R)
• M7: 6,721,283 km (0.099 R)
• M8: 7,388,040 km (0.108 R)
• M9: 8,017,249 km (0.093 R)
• M10: 8,639,576 km (0.1 R)
• M11: 9,338,797 km (0.119 R)
• M12: 10,653,014 km (0.104 R)
• M13: 11,100,611 km (0.061 R)
• M14: 12,302,181 km (0.114 R)
• M15: 13,301,794 km (0.11 R)
• M16: 15,652,575 km (0.062 R)
• M17: 18,839,009 km (0.112 R)
• M18: 21,398,330 km (0.079 R)
• M19: 23,673,414 km (0.078 R)
• M20: 26,016,117 km (0.116 R)
• M21: 27,475,145 km (0.04 R)
• M22: 39,489,051 km (0.059 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 12,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit