🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.6

Radius: 12.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.21 AU - 1.43 AU

Year: 979 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,390,702 km

• M1: 150,495 km (0.09 R)
• M2: 983,756 km (0.11 R)
• M3: 1,463,366 km (0.071 R)
• M4: 2,726,720 km (0.107 R)
• M5: 3,158,909 km (0.112 R)
• M6: 3,801,581 km (0.097 R)
• M7: 4,478,511 km (0.096 R)
• M8: 5,121,334 km (0.118 R)
• M9: 7,116,371 km (0.077 R)
• M10: 9,902,930 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 13

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.79 AU - 2.23 AU

Year: 1840 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,390,702 km

• M1: 162,912 km (0.099 R)
• M2: 645,964 km (0.107 R)
• M3: 1,157,289 km (0.093 R)
• M4: 1,572,124 km (0.091 R)
• M5: 2,171,413 km (0.035 R)
• M6: 2,760,530 km (0.04 R)
• M7: 3,488,323 km (0.062 R)
• M8: 4,054,401 km (0.084 R)
• M9: 4,785,037 km (0.107 R)
• M10: 5,625,030 km (0.116 R)
• M11: 6,179,888 km (0.058 R)
• M12: 7,399,559 km (0.07 R)
• M13: 7,830,401 km (0.091 R)
• M14: 8,648,103 km (0.09 R)
• M15: 10,814,131 km (0.059 R)
• M16: 11,712,915 km (0.117 R)
• M17: 13,153,542 km (0.055 R)
• M18: 15,254,196 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 12.4

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.18 AU - 5.38 AU

Year: 7834 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,390,702 km

• M1: 157,078 km (0.03 R)
• M2: 668,403 km (0.09 R)
• M3: 1,106,725 km (0.039 R)
• M4: 1,506,301 km (0.091 R)
• M5: 2,031,988 km (0.083 R)
• M6: 2,941,693 km (0.081 R)
• M7: 3,561,925 km (0.078 R)
• M8: 3,992,767 km (0.075 R)
• M9: 4,960,516 km (0.084 R)
• M10: 6,229,405 km (0.059 R)
• M11: 7,323,863 km (0.052 R)
• M12: 9,643,528 km (0.031 R)
• M13: 10,228,605 km (0.083 R)
• M14: 11,105,548 km (0.078 R)
• M15: 12,271,214 km (0.083 R)
• M16: 13,620,138 km (0.108 R)
• M17: 16,848,610 km (0.098 R)
• M18: 17,330,614 km (0.111 R)
• M19: 18,449,157 km (0.085 R)
• M20: 20,081,719 km (0.104 R)
• M21: 20,761,043 km (0.108 R)
• M22: 21,950,944 km (0.1 R)
• M23: 24,009,112 km (0.082 R)
• M24: 25,873,251 km (0.049 R)
• M25: 27,665,134 km (0.094 R)
• M26: 28,336,679 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.8

Radius: 8.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.36 AU - 5.5 AU

Year: 8170 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,390,702 km

• M1: 107,112 km (0.083 R)
• M2: 681,867 km (0.066 R)
• M3: 1,745,957 km (0.108 R)
• M4: 2,035,578 km (0.075 R)
• M5: 2,369,181 km (0.114 R)
• M6: 3,548,461 km (0.06 R)
• M7: 4,618,834 km (0.112 R)
• M8: 5,589,575 km (0.08 R)
• M9: 6,431,512 km (0.107 R)
• M10: 7,204,035 km (0.115 R)
• M11: 8,788,127 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.2

Radius: 6.7

Gravity: 19.79 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.09 AU - 7.41 AU

Year: 10089 Days

Day: 18 Hours

Environment

Temp: -215 °C

Axial Tilt: 164.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,390,702 km

• M1: 95,892 km (0.06 R)
• M2: 522,396 km (0.108 R)
• M3: 755,918 km (0.028 R)
• M4: 1,199,027 km (0.049 R)
• M5: 1,724,115 km (0.117 R)
• M6: 2,295,579 km (0.073 R)
• M7: 2,785,662 km (0.108 R)
• M8: 5,709,253 km (0.054 R)
• M9: 7,722,840 km (0.084 R)
• M10: 8,031,910 km (0.11 R)
• M11: 9,057,403 km (0.093 R)
• M12: 10,974,500 km (0.116 R)
• M13: 12,715,520 km (0.115 R)
• M14: 13,715,731 km (0.088 R)
• M15: 17,553,964 km (0.079 R)
• M16: 19,595,077 km (0.118 R)
• M17: 20,588,407 km (0.077 R)
• M18: 33,008,621 km (0.077 R)
• M19: 34,650,607 km (0.12 R)
• M20: 39,902,539 km (0.068 R)
• M21: 40,165,084 km (0.067 R)
• M22: 42,307,026 km (0.091 R)
• M23: 46,526,434 km (0.106 R)
• M24: 47,549,833 km (0.068 R)
• M25: 48,290,043 km (0.064 R)
• M26: 49,490,117 km (0.089 R)
• M27: 51,327,329 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.2

Radius: 6.8

Gravity: 20.64 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.99 AU - 8.35 AU

Year: 15078 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,390,702 km

• M1: 84,523 km (0.117 R)
• M2: 372,499 km (0.104 R)
• M3: 647,011 km (0.099 R)
• M4: 985,401 km (0.101 R)
• M5: 1,407,866 km (0.098 R)
• M6: 3,177,160 km (0.11 R)
• M7: 3,733,065 km (0.066 R)
• M8: 4,516,958 km (0.049 R)
• M9: 6,663,538 km (0.09 R)
• M10: 7,245,025 km (0.112 R)
• M11: 7,908,491 km (0.041 R)
• M12: 8,767,782 km (0.099 R)
• M13: 10,142,287 km (0.107 R)
• M14: 10,374,762 km (0.073 R)
• M15: 10,670,517 km (0.104 R)
• M16: 13,173,439 km (0.091 R)
• M17: 14,087,931 km (0.11 R)
• M18: 14,304,848 km (0.052 R)
• M19: 14,819,614 km (0.115 R)
• M20: 17,084,825 km (0.091 R)
• M21: 20,022,927 km (0.106 R)
• M22: 21,230,032 km (0.108 R)
• M23: 21,803,291 km (0.085 R)
• M24: 40,284,762 km (0.079 R)
• M25: 41,310,405 km (0.098 R)
• M26: 43,261,311 km (0.086 R)
• M27: 54,831,060 km (0.053 R)
• M28: 57,552,844 km (0.111 R)
• M29: 58,666,301 km (0.082 R)
• M30: 59,983,361 km (0.059 R)
• M31: 60,553,777 km (0.042 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: 266 - 12,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit