🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 8.8

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.89 AU - 1.13 AU

Year: 666 Days

Day: 14.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,022,836 km

• M1: 109,506 km (0.118 R)
• M2: 424,708 km (0.096 R)
• M3: 985,850 km (0.118 R)
• M4: 1,300,753 km (0.104 R)
• M5: 1,584,989 km (0.092 R)
• M6: 2,081,206 km (0.053 R)
• M7: 2,398,353 km (0.065 R)
• M8: 3,370,141 km (0.084 R)
• M9: 4,240,651 km (0.068 R)
• M10: 4,858,490 km (0.099 R)
• M11: 6,026,849 km (0.088 R)
• M12: 6,462,179 km (0.112 R)
• M13: 7,052,642 km (0.058 R)
• M14: 7,419,157 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 10

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.64 AU - 2.24 AU

Year: 1773 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,022,836 km

• M1: 124,316 km (0.086 R)
• M2: 487,539 km (0.111 R)
• M3: 803,640 km (0.049 R)
• M4: 1,151,604 km (0.1 R)
• M5: 1,621,791 km (0.106 R)
• M6: 1,976,786 km (0.113 R)
• M7: 2,504,418 km (0.102 R)
• M8: 2,937,055 km (0.077 R)
• M9: 3,252,856 km (0.054 R)
• M10: 6,719,637 km (0.045 R)
• M11: 7,588,651 km (0.096 R)
• M12: 8,754,019 km (0.119 R)
• M13: 9,112,605 km (0.102 R)
• M14: 10,719,884 km (0.102 R)
• M15: 11,707,978 km (0.111 R)
• M16: 12,963,852 km (0.078 R)
• M17: 14,397,299 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.5

Radius: 9.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.99 AU - 2.45 AU

Year: 2170 Days

Day: 6.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,022,836 km

• M1: 121,922 km (0.036 R)
• M2: 454,179 km (0.076 R)
• M3: 1,030,131 km (0.111 R)
• M4: 2,115,314 km (0.085 R)
• M5: 2,607,341 km (0.068 R)
• M6: 2,972,510 km (0.106 R)
• M7: 3,748,623 km (0.088 R)
• M8: 4,423,160 km (0.102 R)
• M9: 5,194,636 km (0.114 R)
• M10: 5,679,782 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 14.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.57 AU - 2.85 AU

Year: 2927 Days

Day: 12.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,022,836 km

• M1: 181,761 km (0.109 R)
• M2: 774,019 km (0.116 R)
• M3: 1,689,110 km (0.066 R)
• M4: 2,459,389 km (0.055 R)
• M5: 3,287,862 km (0.07 R)
• M6: 4,015,805 km (0.117 R)
• M7: 4,683,161 km (0.042 R)
• M8: 5,295,017 km (0.038 R)
• M9: 6,099,704 km (0.117 R)
• M10: 6,561,363 km (0.072 R)
• M11: 7,015,542 km (0.07 R)
• M12: 7,523,127 km (0.038 R)
• M13: 8,365,513 km (0.071 R)
• M14: 9,010,429 km (0.087 R)
• M15: 9,572,917 km (0.11 R)
• M16: 10,399,894 km (0.09 R)
• M17: 11,317,079 km (0.084 R)
• M18: 11,795,493 km (0.105 R)
• M19: 12,515,507 km (0.105 R)
• M20: 13,360,436 km (0.038 R)
• M21: 15,321,664 km (0.08 R)
• M22: 16,070,402 km (0.109 R)
• M23: 18,464,267 km (0.092 R)
• M24: 21,947,204 km (0.102 R)
• M25: 22,830,430 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 11.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.85 AU - 2.95 AU

Year: 3240 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,022,836 km

• M1: 149,149 km (0.107 R)
• M2: 1,173,595 km (0.111 R)
• M3: 2,123,392 km (0.118 R)
• M4: 2,653,866 km (0.098 R)
• M5: 3,529,014 km (0.093 R)
• M6: 4,017,152 km (0.057 R)
• M7: 4,403,413 km (0.109 R)
• M8: 6,675,356 km (0.061 R)
• M9: 9,302,594 km (0.051 R)
• M10: 11,235,847 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.8

Radius: 11.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.37 AU - 3.43 AU

Year: 3240 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,022,836 km

• M1: 140,772 km (0.043 R)
• M2: 874,848 km (0.036 R)
• M3: 1,936,993 km (0.113 R)
• M4: 2,879,310 km (0.11 R)
• M5: 3,263,926 km (0.116 R)
• M6: 4,053,654 km (0.105 R)
• M7: 5,359,942 km (0.035 R)
• M8: 7,049,351 km (0.112 R)
• M9: 7,910,137 km (0.108 R)
• M10: 10,179,986 km (0.081 R)
• M11: 10,948,021 km (0.044 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.8

Radius: 13.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.85 AU - 6.19 AU

Year: 7378 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,022,836 km

• M1: 176,376 km (0.107 R)
• M2: 627,713 km (0.106 R)
• M3: 1,191,996 km (0.058 R)
• M4: 2,061,159 km (0.067 R)
• M5: 3,033,396 km (0.11 R)
• M6: 3,481,442 km (0.114 R)
• M7: 4,319,040 km (0.102 R)
• M8: 5,255,822 km (0.057 R)
• M9: 7,856,431 km (0.075 R)
• M10: 9,113,801 km (0.102 R)
• M11: 10,007,798 km (0.074 R)
• M12: 12,640,422 km (0.115 R)
• M13: 13,692,244 km (0.069 R)
• M14: 14,487,656 km (0.108 R)
• M15: 21,184,554 km (0.057 R)
• M16: 22,082,740 km (0.049 R)
• M17: 27,340,058 km (0.114 R)
• M18: 29,497,259 km (0.075 R)
• M19: 32,726,329 km (0.066 R)
• M20: 33,486,735 km (0.102 R)
• M21: 34,481,860 km (0.114 R)
• M22: 39,266,150 km (0.102 R)
• M23: 42,262,894 km (0.085 R)
• M24: 43,686,019 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.4

Radius: 6.1

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.75 AU - 10.83 AU

Year: 23251 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,022,836 km

• M1: 75,846 km (0.027 R)
• M2: 292,015 km (0.11 R)
• M3: 602,580 km (0.078 R)
• M4: 954,135 km (0.097 R)
• M5: 1,309,131 km (0.12 R)
• M6: 1,767,499 km (0.116 R)
• M7: 2,636,363 km (0.087 R)
• M8: 4,464,748 km (0.102 R)
• M9: 4,866,868 km (0.067 R)
• M10: 7,598,674 km (0.09 R)
• M11: 7,960,103 km (0.084 R)
• M12: 8,171,784 km (0.054 R)
• M13: 8,717,367 km (0.119 R)
• M14: 9,760,214 km (0.117 R)
• M15: 11,815,389 km (0.056 R)
• M16: 12,160,661 km (0.097 R)
• M17: 17,459,717 km (0.085 R)
• M18: 20,858,282 km (0.062 R)
• M19: 22,395,848 km (0.095 R)
• M20: 24,007,317 km (0.063 R)
• M21: 26,508,593 km (0.101 R)
• M22: 29,555,603 km (0.109 R)
• M23: 32,155,464 km (0.055 R)
• M24: 39,313,423 km (0.091 R)
• M25: 41,651,488 km (0.119 R)
• M26: 42,612,205 km (0.059 R)
• M27: 45,078,326 km (0.031 R)
• M28: 49,933,226 km (0.114 R)
• M29: 50,292,710 km (0.111 R)
• M30: 51,748,147 km (0.064 R)
• M31: 55,125,170 km (0.055 R)
• M32: 59,852,462 km (0.09 R)
• M33: 77,791,790 km (0.073 R)
• M34: 80,721,066 km (0.036 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 13,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit