🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.2

Radius: 9.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.87 AU - 1.01 AU

Year: 598 Days

Day: 7.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,618,389 km

• M1: 120,576 km (0.107 R)
• M2: 444,754 km (0.081 R)
• M3: 2,087,189 km (0.117 R)
• M4: 2,500,080 km (0.089 R)
• M5: 3,099,967 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 13.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.82 AU - 1.14 AU

Year: 636 Days

Day: 11.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,618,389 km

• M1: 172,935 km (0.071 R)
• M2: 711,936 km (0.057 R)
• M3: 1,797,718 km (0.113 R)
• M4: 2,408,077 km (0.077 R)
• M5: 2,971,612 km (0.078 R)
• M6: 3,558,485 km (0.089 R)
• M7: 4,839,790 km (0.05 R)
• M8: 5,312,669 km (0.12 R)
• M9: 5,834,317 km (0.103 R)
• M10: 6,371,074 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 12.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.27 AU - 2.05 AU

Year: 1403 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,618,389 km

• M1: 157,975 km (0.034 R)
• M2: 875,447 km (0.118 R)
• M3: 1,333,366 km (0.112 R)
• M4: 2,052,184 km (0.074 R)
• M5: 2,679,148 km (0.078 R)
• M6: 3,447,184 km (0.044 R)
• M7: 4,152,388 km (0.08 R)
• M8: 5,465,558 km (0.092 R)
• M9: 8,147,100 km (0.052 R)
• M10: 8,743,098 km (0.057 R)
• M11: 9,145,965 km (0.114 R)
• M12: 9,658,787 km (0.099 R)
• M13: 11,459,646 km (0.119 R)
• M14: 12,323,873 km (0.114 R)
• M15: 14,055,468 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.7

Radius: 13.6

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.38 AU - 5.63 AU

Year: 7334 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 160 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,618,389 km

• M1: 169,195 km (0.12 R)
• M2: 821,442 km (0.078 R)
• M3: 1,775,428 km (0.081 R)
• M4: 2,638,158 km (0.109 R)
• M5: 3,136,619 km (0.084 R)
• M6: 3,698,209 km (0.083 R)
• M7: 4,425,554 km (0.109 R)
• M8: 5,619,794 km (0.109 R)
• M9: 7,367,246 km (0.04 R)
• M10: 9,327,876 km (0.108 R)
• M11: 10,009,145 km (0.116 R)
• M12: 12,204,194 km (0.116 R)
• M13: 12,967,742 km (0.109 R)
• M14: 20,551,905 km (0.072 R)
• M15: 23,133,815 km (0.111 R)
• M16: 26,677,489 km (0.054 R)
• M17: 27,530,795 km (0.098 R)
• M18: 27,964,180 km (0.094 R)
• M19: 28,490,166 km (0.098 R)
• M20: 29,834,303 km (0.043 R)
• M21: 31,220,328 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 13.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.97 AU - 6.25 AU

Year: 7578 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,618,389 km

• M1: 162,912 km (0.114 R)
• M2: 607,816 km (0.049 R)
• M3: 1,127,370 km (0.119 R)
• M4: 1,554,023 km (0.106 R)
• M5: 2,371,874 km (0.115 R)
• M6: 2,861,059 km (0.104 R)
• M7: 4,884,670 km (0.056 R)
• M8: 5,505,950 km (0.113 R)
• M9: 6,941,790 km (0.11 R)
• M10: 7,765,925 km (0.08 R)
• M11: 8,856,044 km (0.089 R)
• M12: 9,480,765 km (0.101 R)
• M13: 11,387,390 km (0.106 R)
• M14: 12,793,161 km (0.118 R)
• M15: 15,706,131 km (0.113 R)
• M16: 17,125,815 km (0.069 R)
• M17: 18,030,882 km (0.062 R)
• M18: 21,010,871 km (0.108 R)
• M19: 21,451,287 km (0.064 R)
• M20: 22,426,815 km (0.049 R)
• M21: 22,886,829 km (0.098 R)
• M22: 24,305,016 km (0.115 R)
• M23: 26,286,141 km (0.036 R)
• M24: 27,229,206 km (0.116 R)
• M25: 29,182,954 km (0.072 R)
• M26: 31,038,716 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.1

Radius: 4.4

Gravity: 24.18 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.44 AU - 10.6 AU

Year: 17771 Days

Day: 21.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 123.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,618,389 km

• M1: 54,753 km (0.071 R)
• M2: 280,795 km (0.104 R)
• M3: 421,716 km (0.1 R)
• M4: 1,759,421 km (0.077 R)
• M5: 3,113,880 km (0.106 R)
• M6: 4,227,187 km (0.115 R)
• M7: 4,975,326 km (0.107 R)
• M8: 5,184,165 km (0.117 R)
• M9: 5,769,840 km (0.049 R)
• M10: 7,470,469 km (0.112 R)
• M11: 8,508,229 km (0.1 R)
• M12: 9,425,863 km (0.07 R)
• M13: 12,067,611 km (0.101 R)
• M14: 18,585,291 km (0.111 R)
• M15: 20,652,136 km (0.076 R)
• M16: 23,347,590 km (0.062 R)
• M17: 26,689,756 km (0.102 R)
• M18: 27,545,456 km (0.05 R)
• M19: 27,980,038 km (0.103 R)
• M20: 31,504,713 km (0.091 R)
• M21: 33,066,964 km (0.037 R)
• M22: 37,130,790 km (0.083 R)
• M23: 40,388,583 km (0.059 R)
• M24: 41,090,346 km (0.079 R)
• M25: 43,979,231 km (0.099 R)
• M26: 44,423,836 km (0.082 R)
• M27: 46,232,624 km (0.092 R)
• M28: 49,675,020 km (0.056 R)
• M29: 52,615,516 km (0.12 R)
• M30: 54,468,435 km (0.074 R)
• M31: 56,713,750 km (0.1 R)
• M32: 56,889,078 km (0.104 R)
• M33: 57,240,633 km (0.076 R)
• M34: 58,303,975 km (0.104 R)
• M35: 60,652,961 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.3

Radius: 7.5

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.59 AU - 11.89 AU

Year: 21496 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,618,389 km

• M1: 93,349 km (0.084 R)
• M2: 381,624 km (0.05 R)
• M3: 645,664 km (0.12 R)
• M4: 882,478 km (0.098 R)
• M5: 1,234,482 km (0.101 R)
• M6: 1,879,996 km (0.078 R)
• M7: 2,378,008 km (0.068 R)
• M8: 2,987,170 km (0.055 R)
• M9: 5,285,592 km (0.103 R)
• M10: 6,859,661 km (0.11 R)
• M11: 8,614,743 km (0.115 R)
• M12: 8,998,761 km (0.053 R)
• M13: 9,625,127 km (0.066 R)
• M14: 12,985,544 km (0.03 R)
• M15: 15,886,097 km (0.1 R)
• M16: 16,214,464 km (0.104 R)
• M17: 17,748,890 km (0.05 R)
• M18: 22,309,680 km (0.113 R)
• M19: 23,667,430 km (0.086 R)
• M20: 26,202,965 km (0.107 R)
• M21: 33,122,465 km (0.026 R)
• M22: 35,441,830 km (0.067 R)
• M23: 37,431,482 km (0.111 R)
• M24: 42,413,839 km (0.048 R)
• M25: 43,205,361 km (0.03 R)
• M26: 44,981,387 km (0.108 R)
• M27: 49,371,486 km (0.119 R)
• M28: 54,409,494 km (0.094 R)
• M29: 64,655,452 km (0.099 R)
• M30: 66,976,163 km (0.096 R)
• M31: 72,230,938 km (0.08 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: 215 - 18,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit