🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409

Radius: 15

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,680,693 km

• M1: 186,698 km (0.119 R)
• M2: 657,483 km (0.038 R)
• M3: 1,323,941 km (0.041 R)
• M4: 2,014,036 km (0.115 R)
• M5: 2,487,663 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.5

Radius: 8.1

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.98 AU

Year: 620 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,680,693 km

• M1: 100,679 km (0.037 R)
• M2: 687,253 km (0.094 R)
• M3: 1,008,589 km (0.105 R)
• M4: 1,408,464 km (0.119 R)
• M5: 1,731,446 km (0.045 R)
• M6: 3,046,561 km (0.112 R)
• M7: 3,350,693 km (0.112 R)
• M8: 3,816,242 km (0.075 R)
• M9: 4,826,027 km (0.055 R)
• M10: 5,276,317 km (0.107 R)
• M11: 5,773,431 km (0.085 R)
• M12: 6,181,234 km (0.101 R)
• M13: 7,475,555 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 9.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.05 AU - 1.11 AU

Year: 789 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 100.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,680,693 km

• M1: 168,746 km (0.112 R)
• M2: 488,587 km (0.031 R)
• M3: 922,420 km (0.054 R)
• M4: 1,718,580 km (0.059 R)
• M5: 2,032,437 km (0.089 R)
• M6: 3,443,893 km (0.109 R)
• M7: 4,183,953 km (0.1 R)
• M8: 5,319,999 km (0.065 R)
• M9: 5,923,926 km (0.119 R)
• M10: 6,289,244 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 11.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.96 AU - 1.46 AU

Year: 936 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,680,693 km

• M1: 145,559 km (0.116 R)
• M2: 578,794 km (0.06 R)
• M3: 1,212,790 km (0.07 R)
• M4: 2,467,467 km (0.053 R)
• M5: 3,531,856 km (0.078 R)
• M6: 4,557,649 km (0.11 R)
• M7: 6,405,182 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 12.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.06 AU - 2.38 AU

Year: 2325 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,680,693 km

• M1: 159,322 km (0.114 R)
• M2: 686,056 km (0.088 R)
• M3: 1,340,696 km (0.091 R)
• M4: 2,185,924 km (0.041 R)
• M5: 2,735,995 km (0.094 R)
• M6: 3,411,280 km (0.086 R)
• M7: 4,353,896 km (0.107 R)
• M8: 4,789,675 km (0.092 R)
• M9: 7,483,035 km (0.113 R)
• M10: 7,898,020 km (0.06 R)
• M11: 10,137,949 km (0.106 R)
• M12: 12,277,796 km (0.035 R)
• M13: 14,203,719 km (0.112 R)
• M14: 15,168,327 km (0.092 R)
• M15: 15,690,722 km (0.083 R)
• M16: 16,422,405 km (0.04 R)
• M17: 17,074,951 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.1

Radius: 14.5

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.48 AU - 3.76 AU

Year: 3874 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,680,693 km

• M1: 180,415 km (0.075 R)
• M2: 714,031 km (0.062 R)
• M3: 1,200,074 km (0.074 R)
• M4: 2,186,074 km (0.029 R)
• M5: 2,640,402 km (0.112 R)
• M6: 3,103,857 km (0.036 R)
• M7: 4,220,455 km (0.097 R)
• M8: 4,761,102 km (0.111 R)
• M9: 5,925,721 km (0.082 R)
• M10: 6,606,242 km (0.115 R)
• M11: 8,410,542 km (0.03 R)
• M12: 9,783,850 km (0.101 R)
• M13: 10,566,546 km (0.106 R)
• M14: 11,125,893 km (0.072 R)
• M15: 13,167,605 km (0.108 R)
• M16: 13,765,398 km (0.101 R)
• M17: 14,329,232 km (0.064 R)
• M18: 15,448,523 km (0.057 R)
• M19: 16,625,410 km (0.083 R)
• M20: 21,252,173 km (0.119 R)
• M21: 21,798,803 km (0.098 R)
• M22: 23,640,802 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.6

Radius: 3

Gravity: 55.51 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.34 AU - 6.82 AU

Year: 10538 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,680,693 km

• M1: 37,250 km (0.101 R)
• M2: 142,268 km (0.064 R)
• M3: 315,352 km (0.109 R)
• M4: 410,796 km (0.102 R)
• M5: 654,491 km (0.12 R)
• M6: 935,735 km (0.103 R)
• M7: 1,103,733 km (0.104 R)
• M8: 2,584,902 km (0.114 R)
• M9: 3,025,019 km (0.116 R)
• M10: 3,636,575 km (0.113 R)
• M11: 3,737,404 km (0.088 R)
• M12: 4,439,616 km (0.068 R)
• M13: 4,584,128 km (0.08 R)
• M14: 4,761,700 km (0.114 R)
• M15: 6,350,878 km (0.118 R)
• M16: 6,460,534 km (0.089 R)
• M17: 6,646,185 km (0.051 R)
• M18: 9,632,158 km (0.104 R)
• M19: 10,021,711 km (0.106 R)
• M20: 12,930,492 km (0.036 R)
• M21: 14,703,077 km (0.111 R)
• M22: 15,089,040 km (0.111 R)
• M23: 17,547,531 km (0.074 R)
• M24: 19,403,592 km (0.108 R)
• M25: 19,867,644 km (0.039 R)
• M26: 20,181,202 km (0.094 R)
• M27: 24,652,233 km (0.116 R)
• M28: 25,748,786 km (0.106 R)
• M29: 29,944,856 km (0.116 R)
• M30: 30,982,018 km (0.079 R)
• M31: 38,798,956 km (0.072 R)
• M32: 39,288,590 km (0.108 R)
• M33: 39,906,429 km (0.105 R)
• M34: 41,542,880 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 10,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit