🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 10.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.1 AU

Year: 649 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,405,371 km

• M1: 131,796 km (0.104 R)
• M2: 848,519 km (0.084 R)
• M3: 1,183,020 km (0.06 R)
• M4: 1,729,651 km (0.116 R)
• M5: 2,469,412 km (0.114 R)
• M6: 3,012,752 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 11.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.96 AU - 2.6 AU

Year: 2376 Days

Day: 13.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,405,371 km

• M1: 146,905 km (0.113 R)
• M2: 651,349 km (0.078 R)
• M3: 1,051,523 km (0.107 R)
• M4: 2,302,461 km (0.112 R)
• M5: 2,848,044 km (0.099 R)
• M6: 3,463,939 km (0.063 R)
• M7: 3,843,468 km (0.11 R)
• M8: 4,335,645 km (0.087 R)
• M9: 4,981,908 km (0.09 R)
• M10: 5,447,606 km (0.067 R)
• M11: 5,963,570 km (0.089 R)
• M12: 6,466,817 km (0.119 R)
• M13: 6,927,429 km (0.097 R)
• M14: 7,434,565 km (0.076 R)
• M15: 9,656,543 km (0.092 R)
• M16: 10,106,533 km (0.101 R)
• M17: 10,633,267 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896

Radius: 9.6

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.9 AU - 4.12 AU

Year: 5543 Days

Day: 12.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,405,371 km

• M1: 123,568 km (0.11 R)
• M2: 445,802 km (0.099 R)
• M3: 753,375 km (0.082 R)
• M4: 1,119,590 km (0.109 R)
• M5: 1,421,180 km (0.113 R)
• M6: 1,736,831 km (0.074 R)
• M7: 2,099,905 km (0.037 R)
• M8: 2,749,908 km (0.094 R)
• M9: 3,353,236 km (0.101 R)
• M10: 4,292,262 km (0.066 R)
• M11: 5,984,513 km (0.098 R)
• M12: 6,376,908 km (0.064 R)
• M13: 6,926,681 km (0.114 R)
• M14: 7,322,816 km (0.106 R)
• M15: 8,440,013 km (0.064 R)
• M16: 8,976,171 km (0.032 R)
• M17: 10,254,336 km (0.055 R)
• M18: 11,106,445 km (0.103 R)
• M19: 13,005,141 km (0.099 R)
• M20: 14,404,480 km (0.118 R)
• M21: 15,716,902 km (0.116 R)
• M22: 16,088,204 km (0.1 R)
• M23: 17,966,405 km (0.09 R)
• M24: 18,784,705 km (0.045 R)
• M25: 19,556,481 km (0.091 R)
• M26: 20,716,612 km (0.088 R)
• M27: 22,308,034 km (0.106 R)
• M28: 22,935,298 km (0.115 R)
• M29: 23,493,747 km (0.066 R)
• M30: 26,684,670 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.8

Radius: 7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.98 AU - 7.14 AU

Year: 11598 Days

Day: 16.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,405,371 km

• M1: 109,954 km (0.072 R)
• M2: 840,890 km (0.077 R)
• M3: 1,537,268 km (0.111 R)
• M4: 2,209,860 km (0.088 R)
• M5: 4,530,422 km (0.035 R)
• M6: 9,015,815 km (0.042 R)
• M7: 9,443,665 km (0.118 R)
• M8: 11,940,752 km (0.062 R)
• M9: 13,423,118 km (0.041 R)
• M10: 19,153,763 km (0.101 R)
• M11: 24,969,381 km (0.095 R)
• M12: 26,588,030 km (0.066 R)
• M13: 32,058,375 km (0.115 R)
• M14: 34,794,520 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.5

Radius: 4.9

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.1 AU - 12.08 AU

Year: 22123 Days

Day: 20.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,405,371 km

• M1: 62,981 km (0.101 R)
• M2: 517,758 km (0.075 R)
• M3: 720,164 km (0.103 R)
• M4: 1,261,708 km (0.104 R)
• M5: 2,861,059 km (0.036 R)
• M6: 3,501,189 km (0.104 R)
• M7: 4,601,780 km (0.075 R)
• M8: 7,592,391 km (0.051 R)
• M9: 9,104,078 km (0.11 R)
• M10: 9,930,307 km (0.11 R)
• M11: 11,204,133 km (0.117 R)
• M12: 16,183,647 km (0.035 R)
• M13: 17,469,890 km (0.099 R)
• M14: 18,986,363 km (0.053 R)
• M15: 24,251,460 km (0.066 R)
• M16: 30,300,301 km (0.065 R)
• M17: 35,632,268 km (0.094 R)
• M18: 37,669,342 km (0.109 R)
• M19: 38,848,622 km (0.103 R)
• M20: 40,731,611 km (0.079 R)
• M21: 41,005,524 km (0.066 R)
• M22: 42,393,344 km (0.093 R)
• M23: 51,703,268 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.1

Radius: 5.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.2 AU - 11.94 AU

Year: 23720 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,405,371 km

• M1: 91,404 km (0.089 R)
• M2: 563,386 km (0.11 R)
• M3: 825,032 km (0.102 R)
• M4: 1,117,945 km (0.087 R)
• M5: 1,700,629 km (0.097 R)
• M6: 4,739,410 km (0.11 R)
• M7: 6,646,633 km (0.093 R)
• M8: 8,169,839 km (0.107 R)
• M9: 8,444,501 km (0.077 R)
• M10: 10,979,137 km (0.119 R)
• M11: 12,660,019 km (0.086 R)
• M12: 14,306,493 km (0.063 R)
• M13: 15,180,893 km (0.088 R)
• M14: 21,707,249 km (0.081 R)
• M15: 22,590,475 km (0.109 R)
• M16: 23,131,870 km (0.105 R)
• M17: 27,165,777 km (0.075 R)
• M18: 30,100,737 km (0.09 R)
• M19: 34,293,965 km (0.108 R)
• M20: 35,733,396 km (0.077 R)
• M21: 37,967,192 km (0.075 R)
• M22: 38,221,059 km (0.092 R)
• M23: 42,847,972 km (0.103 R)
• M24: 43,816,169 km (0.044 R)
• M25: 51,624,131 km (0.088 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 18,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit