🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 8.2

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.04 AU - 1.46 AU

Year: 917 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,796,136 km

• M1: 106,364 km (0.107 R)
• M2: 433,086 km (0.062 R)
• M3: 719,715 km (0.047 R)
• M4: 1,130,362 km (0.107 R)
• M5: 1,402,031 km (0.057 R)
• M6: 1,842,298 km (0.107 R)
• M7: 2,286,304 km (0.054 R)
• M8: 2,679,447 km (0.094 R)
• M9: 3,900,914 km (0.104 R)
• M10: 6,724,275 km (0.03 R)
• M11: 7,533,749 km (0.071 R)
• M12: 8,100,126 km (0.12 R)
• M13: 8,615,491 km (0.12 R)
• M14: 9,234,976 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 14.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.12 AU - 1.74 AU

Year: 1122 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,796,136 km

• M1: 179,069 km (0.039 R)
• M2: 664,663 km (0.109 R)
• M3: 1,140,983 km (0.091 R)
• M4: 2,605,845 km (0.086 R)
• M5: 3,134,524 km (0.107 R)
• M6: 3,591,845 km (0.05 R)
• M7: 4,266,681 km (0.083 R)
• M8: 4,745,544 km (0.087 R)
• M9: 5,773,131 km (0.111 R)
• M10: 6,616,115 km (0.107 R)
• M11: 7,445,935 km (0.079 R)
• M12: 8,218,757 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 10.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.44 AU - 1.74 AU

Year: 1315 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,796,136 km

• M1: 128,056 km (0.1 R)
• M2: 647,460 km (0.088 R)
• M3: 1,195,137 km (0.088 R)
• M4: 1,581,698 km (0.084 R)
• M5: 2,134,462 km (0.116 R)
• M6: 2,456,846 km (0.112 R)
• M7: 3,201,694 km (0.1 R)
• M8: 3,573,744 km (0.101 R)
• M9: 4,119,776 km (0.114 R)
• M10: 5,379,091 km (0.111 R)
• M11: 6,410,269 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 12.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.97 AU - 2.19 AU

Year: 1968 Days

Day: 7.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,796,136 km

• M1: 157,078 km (0.116 R)
• M2: 546,780 km (0.089 R)
• M3: 1,062,444 km (0.094 R)
• M4: 1,454,390 km (0.11 R)
• M5: 2,214,048 km (0.11 R)
• M6: 2,843,407 km (0.097 R)
• M7: 3,877,278 km (0.072 R)
• M8: 4,348,062 km (0.083 R)
• M9: 4,877,190 km (0.079 R)
• M10: 7,142,999 km (0.103 R)
• M11: 9,164,366 km (0.085 R)
• M12: 9,578,153 km (0.079 R)
• M13: 11,143,695 km (0.102 R)
• M14: 12,406,151 km (0.073 R)
• M15: 12,992,425 km (0.073 R)
• M16: 13,597,250 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.2

Radius: 11.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.96 AU - 4.94 AU

Year: 6158 Days

Day: 13.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,796,136 km

• M1: 146,606 km (0.094 R)
• M2: 555,008 km (0.102 R)
• M3: 984,803 km (0.105 R)
• M4: 1,667,418 km (0.115 R)
• M5: 2,256,684 km (0.064 R)
• M6: 2,772,647 km (0.064 R)
• M7: 3,560,579 km (0.078 R)
• M8: 4,338,937 km (0.081 R)
• M9: 6,937,751 km (0.111 R)
• M10: 8,307,469 km (0.11 R)
• M11: 8,870,256 km (0.116 R)
• M12: 10,759,378 km (0.089 R)
• M13: 11,282,821 km (0.09 R)
• M14: 13,824,489 km (0.051 R)
• M15: 14,615,712 km (0.034 R)
• M16: 15,616,671 km (0.093 R)
• M17: 19,869,140 km (0.091 R)
• M18: 21,319,043 km (0.116 R)
• M19: 23,624,197 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.7

Radius: 4.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.8 AU - 8.4 AU

Year: 12411 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,796,136 km

• M1: 54,753 km (0.038 R)
• M2: 1,552,975 km (0.066 R)
• M3: 2,592,980 km (0.082 R)
• M4: 3,286,815 km (0.075 R)
• M5: 3,592,144 km (0.058 R)
• M6: 6,221,925 km (0.037 R)
• M7: 8,985,596 km (0.056 R)
• M8: 10,985,121 km (0.092 R)
• M9: 11,619,865 km (0.083 R)
• M10: 13,012,172 km (0.113 R)
• M11: 16,823,029 km (0.099 R)
• M12: 20,834,795 km (0.12 R)
• M13: 21,455,327 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.9

Radius: 6

Gravity: 24.55 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.24 AU - 11.74 AU

Year: 20714 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,796,136 km

• M1: 74,649 km (0.099 R)
• M2: 312,061 km (0.101 R)
• M3: 505,790 km (0.036 R)
• M4: 940,372 km (0.09 R)
• M5: 1,245,851 km (0.066 R)
• M6: 1,495,979 km (0.094 R)
• M7: 1,779,467 km (0.114 R)
• M8: 3,865,011 km (0.09 R)
• M9: 4,542,390 km (0.055 R)
• M10: 5,999,623 km (0.118 R)
• M11: 6,486,863 km (0.119 R)
• M12: 6,810,593 km (0.111 R)
• M13: 7,794,797 km (0.033 R)
• M14: 8,870,705 km (0.059 R)
• M15: 10,103,242 km (0.08 R)
• M16: 10,475,292 km (0.099 R)
• M17: 10,792,439 km (0.055 R)
• M18: 16,265,178 km (0.1 R)
• M19: 18,650,367 km (0.108 R)
• M20: 19,304,857 km (0.11 R)
• M21: 27,545,007 km (0.1 R)
• M22: 31,565,151 km (0.084 R)
• M23: 37,855,592 km (0.062 R)
• M24: 45,099,120 km (0.083 R)
• M25: 47,130,061 km (0.085 R)
• M26: 51,010,181 km (0.054 R)
• M27: 70,218,548 km (0.047 R)
• M28: 73,865,744 km (0.093 R)
• M29: 74,563,319 km (0.043 R)
• M30: 80,548,430 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 19,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit