🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.5

Radius: 9.6

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.6 AU - 0.66 AU

Year: 345 Days

Day: 14.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,119,443 km

• M1: 119,379 km (0.069 R)
• M2: 448,644 km (0.109 R)
• M3: 777,161 km (0.075 R)
• M4: 1,313,769 km (0.047 R)
• M5: 1,781,112 km (0.108 R)
• M6: 2,107,984 km (0.076 R)
• M7: 2,905,340 km (0.085 R)
• M8: 3,596,183 km (0.097 R)
• M9: 4,365,415 km (0.071 R)
• M10: 4,673,587 km (0.114 R)
• M11: 5,026,339 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 12.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.95 AU - 1.41 AU

Year: 885 Days

Day: 7.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,119,443 km

• M1: 151,692 km (0.058 R)
• M2: 710,291 km (0.081 R)
• M3: 1,240,914 km (0.072 R)
• M4: 2,130,423 km (0.087 R)
• M5: 2,639,206 km (0.07 R)
• M6: 3,504,929 km (0.059 R)
• M7: 4,724,301 km (0.063 R)
• M8: 5,460,472 km (0.11 R)
• M9: 5,876,803 km (0.064 R)
• M10: 7,858,227 km (0.067 R)
• M11: 8,705,100 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 12.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.22 AU - 1.58 AU

Year: 1143 Days

Day: 8.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,119,443 km

• M1: 155,133 km (0.086 R)
• M2: 546,780 km (0.116 R)
• M3: 1,089,072 km (0.091 R)
• M4: 1,568,234 km (0.027 R)
• M5: 1,954,646 km (0.116 R)
• M6: 2,513,693 km (0.032 R)
• M7: 3,221,441 km (0.119 R)
• M8: 3,758,946 km (0.103 R)
• M9: 4,196,370 km (0.115 R)
• M10: 5,462,865 km (0.03 R)
• M11: 7,245,324 km (0.057 R)
• M12: 7,765,925 km (0.089 R)
• M13: 8,593,650 km (0.119 R)
• M14: 9,418,233 km (0.078 R)
• M15: 9,850,122 km (0.097 R)
• M16: 10,522,565 km (0.106 R)
• M17: 11,676,114 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 14.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.43 AU - 2.03 AU

Year: 1571 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,119,443 km

• M1: 181,911 km (0.078 R)
• M2: 661,073 km (0.048 R)
• M3: 1,136,046 km (0.108 R)
• M4: 1,870,871 km (0.103 R)
• M5: 2,449,665 km (0.097 R)
• M6: 3,308,058 km (0.069 R)
• M7: 4,359,581 km (0.113 R)
• M8: 7,019,282 km (0.117 R)
• M9: 10,001,216 km (0.109 R)
• M10: 10,619,654 km (0.113 R)
• M11: 12,077,485 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200

Radius: 8.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.76 AU - 2.58 AU

Year: 2206 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,119,443 km

• M1: 106,065 km (0.095 R)
• M2: 404,064 km (0.053 R)
• M3: 683,812 km (0.088 R)
• M4: 964,308 km (0.086 R)
• M5: 1,587,533 km (0.081 R)
• M6: 1,957,937 km (0.067 R)
• M7: 2,225,268 km (0.055 R)
• M8: 2,529,251 km (0.069 R)
• M9: 2,808,251 km (0.109 R)
• M10: 3,691,627 km (0.059 R)
• M11: 4,258,603 km (0.097 R)
• M12: 4,655,486 km (0.057 R)
• M13: 5,018,111 km (0.094 R)
• M14: 5,378,941 km (0.069 R)
• M15: 6,018,622 km (0.083 R)
• M16: 6,357,162 km (0.107 R)
• M17: 8,299,091 km (0.103 R)
• M18: 8,948,645 km (0.072 R)
• M19: 10,032,781 km (0.101 R)
• M20: 10,639,101 km (0.108 R)
• M21: 11,034,489 km (0.061 R)
• M22: 11,508,115 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 13.7

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.92 AU - 3.28 AU

Year: 3768 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,119,443 km

• M1: 170,392 km (0.067 R)
• M2: 933,341 km (0.099 R)
• M3: 1,873,115 km (0.106 R)
• M4: 2,336,420 km (0.105 R)
• M5: 2,956,204 km (0.099 R)
• M6: 3,759,544 km (0.106 R)
• M7: 4,358,684 km (0.087 R)
• M8: 4,838,145 km (0.065 R)
• M9: 6,301,661 km (0.118 R)
• M10: 7,603,162 km (0.108 R)
• M11: 8,768,081 km (0.097 R)
• M12: 10,695,201 km (0.078 R)
• M13: 11,613,881 km (0.087 R)
• M14: 13,608,769 km (0.091 R)
• M15: 16,542,084 km (0.111 R)
• M16: 17,880,386 km (0.084 R)
• M17: 18,717,386 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 11

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.7 AU - 5.04 AU

Year: 6306 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,119,443 km

• M1: 139,126 km (0.118 R)
• M2: 504,294 km (0.064 R)
• M3: 942,317 km (0.093 R)
• M4: 3,096,975 km (0.065 R)
• M5: 3,834,044 km (0.083 R)
• M6: 4,684,209 km (0.113 R)
• M7: 8,275,754 km (0.081 R)
• M8: 10,769,401 km (0.112 R)
• M9: 11,112,878 km (0.115 R)
• M10: 13,218,468 km (0.084 R)
• M11: 13,669,505 km (0.078 R)
• M12: 14,424,376 km (0.078 R)
• M13: 14,902,641 km (0.082 R)
• M14: 15,515,244 km (0.07 R)
• M15: 16,465,490 km (0.073 R)
• M16: 23,080,707 km (0.118 R)
• M17: 27,468,862 km (0.115 R)
• M18: 35,967,367 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.5

Radius: 5.7

Gravity: 28.79 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.94 AU - 7.72 AU

Year: 12321 Days

Day: 15.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,119,443 km

• M1: 71,358 km (0.059 R)
• M2: 264,788 km (0.083 R)
• M3: 537,655 km (0.117 R)
• M4: 804,089 km (0.118 R)
• M5: 1,036,264 km (0.087 R)
• M6: 1,272,479 km (0.054 R)
• M7: 1,454,540 km (0.113 R)
• M8: 1,837,361 km (0.093 R)
• M9: 2,428,273 km (0.115 R)
• M10: 5,271,231 km (0.106 R)
• M11: 6,051,982 km (0.088 R)
• M12: 7,122,055 km (0.048 R)
• M13: 9,524,448 km (0.109 R)
• M14: 10,062,551 km (0.072 R)
• M15: 11,081,761 km (0.055 R)
• M16: 12,230,374 km (0.088 R)
• M17: 13,724,258 km (0.077 R)
• M18: 18,268,144 km (0.101 R)
• M19: 18,762,864 km (0.104 R)
• M20: 19,097,664 km (0.094 R)
• M21: 20,742,493 km (0.118 R)
• M22: 21,280,895 km (0.1 R)
• M23: 22,292,177 km (0.11 R)
• M24: 23,431,514 km (0.092 R)
• M25: 24,709,080 km (0.089 R)
• M26: 28,488,072 km (0.03 R)
• M27: 30,056,007 km (0.115 R)
• M28: 30,629,715 km (0.085 R)
• M29: 33,119,173 km (0.1 R)
• M30: 39,308,935 km (0.11 R)
• M31: 42,243,596 km (0.112 R)
• M32: 43,253,532 km (0.111 R)
• M33: 43,837,711 km (0.109 R)
• M34: 44,723,779 km (0.062 R)
• M35: 45,321,124 km (0.108 R)
• M36: 47,145,171 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit