🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 15

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.64 AU - 0.86 AU

Year: 457 Days

Day: 11.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,354,230 km

• M1: 187,147 km (0.118 R)
• M2: 698,173 km (0.054 R)
• M3: 1,305,690 km (0.08 R)
• M4: 2,179,192 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 10.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.68 AU - 1.08 AU

Year: 580 Days

Day: 10.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,354,230 km

• M1: 131,796 km (0.099 R)
• M2: 509,680 km (0.069 R)
• M3: 857,794 km (0.113 R)
• M4: 2,337,467 km (0.028 R)
• M5: 3,422,350 km (0.091 R)
• M6: 3,817,438 km (0.065 R)
• M7: 4,634,841 km (0.086 R)
• M8: 5,259,712 km (0.109 R)
• M9: 6,391,270 km (0.073 R)
• M10: 6,993,252 km (0.083 R)
• M11: 7,632,633 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 11.9

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.9 AU - 1.3 AU

Year: 811 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,354,230 km

• M1: 148,251 km (0.108 R)
• M2: 704,606 km (0.102 R)
• M3: 1,105,079 km (0.051 R)
• M4: 2,445,177 km (0.112 R)
• M5: 3,089,645 km (0.116 R)
• M6: 3,599,175 km (0.084 R)
• M7: 4,435,726 km (0.089 R)
• M8: 5,304,740 km (0.087 R)
• M9: 6,729,660 km (0.056 R)
• M10: 7,287,810 km (0.114 R)
• M11: 8,910,797 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.3

Radius: 13.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.38 AU - 2.02 AU

Year: 1558 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,354,230 km

• M1: 171,589 km (0.045 R)
• M2: 698,622 km (0.098 R)
• M3: 1,674,748 km (0.088 R)
• M4: 2,304,555 km (0.117 R)
• M5: 3,060,473 km (0.114 R)
• M6: 3,529,313 km (0.086 R)
• M7: 4,134,436 km (0.097 R)
• M8: 4,633,046 km (0.115 R)
• M9: 5,234,280 km (0.113 R)
• M10: 5,730,197 km (0.12 R)
• M11: 6,163,432 km (0.081 R)
• M12: 6,643,193 km (0.086 R)
• M13: 8,523,039 km (0.069 R)
• M14: 8,998,462 km (0.118 R)
• M15: 9,681,077 km (0.113 R)
• M16: 11,719,946 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 14.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.82 AU - 2.88 AU

Year: 3382 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,354,230 km

• M1: 180,265 km (0.106 R)
• M2: 684,709 km (0.034 R)
• M3: 1,247,646 km (0.093 R)
• M4: 2,172,161 km (0.08 R)
• M5: 3,315,687 km (0.112 R)
• M6: 3,837,185 km (0.094 R)
• M7: 4,702,160 km (0.055 R)
• M8: 5,717,780 km (0.085 R)
• M9: 6,847,843 km (0.065 R)
• M10: 8,276,353 km (0.043 R)
• M11: 8,751,326 km (0.085 R)
• M12: 9,895,600 km (0.112 R)
• M13: 10,761,921 km (0.118 R)
• M14: 12,812,459 km (0.057 R)
• M15: 13,930,255 km (0.057 R)
• M16: 14,787,450 km (0.091 R)
• M17: 16,310,506 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.2

Radius: 4.3

Gravity: 47.6 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.6 AU - 6.6 AU

Year: 10590 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,354,230 km

• M1: 53,556 km (0.09 R)
• M2: 343,327 km (0.048 R)
• M3: 505,940 km (0.038 R)
• M4: 848,968 km (0.116 R)
• M5: 1,118,094 km (0.088 R)
• M6: 1,292,376 km (0.091 R)
• M7: 1,588,131 km (0.035 R)
• M8: 1,859,352 km (0.1 R)
• M9: 2,105,141 km (0.105 R)
• M10: 2,576,973 km (0.1 R)
• M11: 4,032,261 km (0.115 R)
• M12: 4,724,002 km (0.112 R)
• M13: 7,571,298 km (0.109 R)
• M14: 9,052,466 km (0.066 R)
• M15: 9,808,983 km (0.116 R)
• M16: 11,446,930 km (0.064 R)
• M17: 12,330,455 km (0.101 R)
• M18: 13,902,729 km (0.119 R)
• M19: 14,634,860 km (0.098 R)
• M20: 17,821,894 km (0.085 R)
• M21: 22,872,018 km (0.094 R)
• M22: 23,516,935 km (0.104 R)
• M23: 27,026,052 km (0.112 R)
• M24: 30,424,916 km (0.069 R)
• M25: 30,646,321 km (0.113 R)
• M26: 32,111,781 km (0.084 R)
• M27: 32,571,944 km (0.089 R)
• M28: 35,548,044 km (0.09 R)
• M29: 37,165,048 km (0.103 R)
• M30: 37,418,018 km (0.053 R)
• M31: 43,000,861 km (0.038 R)
• M32: 43,279,711 km (0.118 R)
• M33: 45,699,008 km (0.093 R)
• M34: 50,805,232 km (0.106 R)

Asteroid Belt

Center: 6.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.4

Radius: 6

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.21 AU - 8.55 AU

Year: 14093 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,354,230 km

• M1: 83,476 km (0.115 R)
• M2: 275,559 km (0.076 R)
• M3: 481,855 km (0.108 R)
• M4: 982,559 km (0.076 R)
• M5: 1,265,598 km (0.081 R)
• M6: 1,617,901 km (0.064 R)
• M7: 1,834,967 km (0.117 R)
• M8: 2,128,778 km (0.065 R)
• M9: 2,369,481 km (0.117 R)
• M10: 2,605,845 km (0.11 R)
• M11: 2,834,580 km (0.105 R)
• M12: 3,384,951 km (0.051 R)
• M13: 6,478,186 km (0.12 R)
• M14: 8,127,802 km (0.081 R)
• M15: 10,318,214 km (0.047 R)
• M16: 11,307,056 km (0.112 R)
• M17: 11,609,543 km (0.079 R)
• M18: 11,979,498 km (0.028 R)
• M19: 17,694,586 km (0.113 R)
• M20: 19,709,519 km (0.052 R)
• M21: 21,043,783 km (0.094 R)
• M22: 21,966,054 km (0.118 R)
• M23: 24,089,446 km (0.116 R)
• M24: 24,389,240 km (0.067 R)
• M25: 25,925,461 km (0.05 R)
• M26: 29,988,688 km (0.103 R)
• M27: 35,478,033 km (0.105 R)
• M28: 38,799,255 km (0.082 R)
• M29: 39,487,405 km (0.085 R)
• M30: 45,745,682 km (0.088 R)
• M31: 46,513,718 km (0.054 R)
• M32: 47,134,250 km (0.043 R)
• M33: 52,633,617 km (0.109 R)
• M34: 52,969,913 km (0.078 R)
• M35: 55,537,162 km (0.063 R)
• M36: 57,294,040 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 11,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit