🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.42 AU - 1.5 AU

Year: 675 Days

Day: 30.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,067,633 km

• M1: 268,379 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.18 AU - 1.94 AU

Year: 746 Days

Day: 31 Hours

Environment

Temp: -65 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.49 AU - 1.91 AU

Year: 849 Days

Day: 23.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 173.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.93 AU - 2.41 AU

Year: 1224 Days

Day: 44 Hours

Environment

Temp: -87 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 11.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.67 AU - 5.97 AU

Year: 4052 Days

Day: 7.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,067,633 km

• M1: 156,479 km (0.08 R)
• M2: 577,448 km (0.078 R)
• M3: 1,012,778 km (0.064 R)
• M4: 1,967,661 km (0.12 R)
• M5: 2,345,395 km (0.026 R)
• M6: 2,949,621 km (0.119 R)
• M7: 3,348,599 km (0.103 R)
• M8: 3,849,004 km (0.095 R)
• M9: 4,422,861 km (0.104 R)
• M10: 4,896,638 km (0.074 R)
• M11: 5,404,223 km (0.097 R)
• M12: 5,771,486 km (0.11 R)
• M13: 6,747,762 km (0.055 R)
• M14: 7,549,756 km (0.112 R)
• M15: 8,010,068 km (0.11 R)
• M16: 8,640,324 km (0.088 R)
• M17: 9,586,232 km (0.094 R)
• M18: 13,703,464 km (0.057 R)
• M19: 14,878,555 km (0.045 R)
• M20: 16,411,186 km (0.086 R)
• M21: 16,825,123 km (0.108 R)
• M22: 20,596,934 km (0.109 R)
• M23: 21,497,962 km (0.113 R)
• M24: 23,008,901 km (0.029 R)
• M25: 26,971,150 km (0.061 R)
• M26: 28,217,898 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.8

Radius: 8.6

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.45 AU - 6.91 AU

Year: 5183 Days

Day: 13.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,067,633 km

• M1: 107,411 km (0.103 R)
• M2: 442,211 km (0.111 R)
• M3: 742,005 km (0.117 R)
• M4: 1,073,664 km (0.092 R)
• M5: 1,421,479 km (0.097 R)
• M6: 1,694,345 km (0.116 R)
• M7: 2,186,373 km (0.1 R)
• M8: 3,455,711 km (0.093 R)
• M9: 4,582,632 km (0.098 R)
• M10: 5,360,989 km (0.106 R)
• M11: 6,724,275 km (0.088 R)
• M12: 7,142,700 km (0.12 R)
• M13: 8,423,707 km (0.119 R)
• M14: 11,929,682 km (0.111 R)
• M15: 13,723,959 km (0.062 R)
• M16: 15,751,908 km (0.106 R)
• M17: 17,124,169 km (0.112 R)
• M18: 22,020,059 km (0.104 R)
• M19: 24,458,504 km (0.057 R)
• M20: 24,868,103 km (0.076 R)
• M21: 25,448,991 km (0.095 R)
• M22: 25,784,988 km (0.095 R)
• M23: 26,380,238 km (0.06 R)
• M24: 26,810,930 km (0.115 R)
• M25: 28,310,499 km (0.055 R)
• M26: 29,958,320 km (0.099 R)
• M27: 30,521,556 km (0.118 R)
• M28: 30,996,230 km (0.105 R)
• M29: 33,746,288 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 8.3

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.16 AU - 7.56 AU

Year: 6141 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,067,633 km

• M1: 103,971 km (0.088 R)
• M2: 381,923 km (0.028 R)
• M3: 671,994 km (0.11 R)
• M4: 1,329,775 km (0.083 R)
• M5: 1,730,698 km (0.116 R)
• M6: 2,794,488 km (0.115 R)
• M7: 3,685,194 km (0.097 R)
• M8: 3,968,532 km (0.028 R)
• M9: 4,554,358 km (0.108 R)
• M10: 4,958,721 km (0.037 R)
• M11: 5,695,490 km (0.051 R)
• M12: 7,351,090 km (0.098 R)
• M13: 7,801,828 km (0.084 R)
• M14: 8,124,660 km (0.104 R)
• M15: 8,456,169 km (0.061 R)
• M16: 9,146,563 km (0.088 R)
• M17: 10,423,082 km (0.036 R)
• M18: 11,352,683 km (0.107 R)
• M19: 14,048,138 km (0.066 R)
• M20: 22,342,592 km (0.091 R)
• M21: 23,141,145 km (0.118 R)
• M22: 24,718,206 km (0.119 R)
• M23: 27,339,310 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 12.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.79 AU - 10.93 AU

Year: 13703 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,067,633 km

• M1: 160,967 km (0.045 R)
• M2: 1,252,583 km (0.101 R)
• M3: 1,824,645 km (0.1 R)
• M4: 2,489,757 km (0.078 R)
• M5: 4,085,069 km (0.118 R)
• M6: 4,538,500 km (0.096 R)
• M7: 7,665,844 km (0.102 R)
• M8: 8,395,133 km (0.116 R)
• M9: 9,132,352 km (0.062 R)
• M10: 11,208,172 km (0.105 R)
• M11: 12,756,210 km (0.074 R)
• M12: 13,681,174 km (0.066 R)
• M13: 17,419,475 km (0.09 R)
• M14: 18,680,585 km (0.09 R)
• M15: 24,485,282 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.6

Radius: 7.7

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 10.3 AU - 17.02 AU

Year: 19331 Days

Day: 19.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,067,633 km

• M1: 97,837 km (0.091 R)
• M2: 366,515 km (0.055 R)
• M3: 969,544 km (0.06 R)
• M4: 1,427,612 km (0.114 R)
• M5: 1,966,165 km (0.075 R)
• M6: 2,410,171 km (0.068 R)
• M7: 3,306,263 km (0.048 R)
• M8: 4,057,842 km (0.092 R)
• M9: 4,709,640 km (0.082 R)
• M10: 5,024,992 km (0.099 R)
• M11: 5,317,008 km (0.12 R)
• M12: 6,303,456 km (0.065 R)
• M13: 9,268,785 km (0.089 R)
• M14: 11,298,529 km (0.108 R)
• M15: 11,547,908 km (0.073 R)
• M16: 11,993,112 km (0.09 R)
• M17: 14,686,771 km (0.104 R)
• M18: 16,611,198 km (0.039 R)
• M19: 19,046,950 km (0.08 R)
• M20: 20,488,027 km (0.067 R)
• M21: 22,982,422 km (0.094 R)
• M22: 28,796,244 km (0.101 R)
• M23: 29,145,405 km (0.098 R)
• M24: 31,421,986 km (0.117 R)
• M25: 34,073,309 km (0.114 R)
• M26: 34,857,351 km (0.076 R)
• M27: 37,696,419 km (0.106 R)
• M28: 38,394,443 km (0.113 R)
• M29: 41,125,651 km (0.09 R)
• M30: 48,105,439 km (0.101 R)
• M31: 53,698,455 km (0.036 R)
• M32: 60,087,930 km (0.06 R)
• M33: 62,584,568 km (0.103 R)
• M34: 64,154,897 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 16,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit