🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 8.3

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.67 AU - 0.99 AU

Year: 488 Days

Day: 11 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 40,823,615 km

• M1: 104,270 km (0.11 R)
• M2: 433,983 km (0.098 R)
• M3: 1,073,365 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 13.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.72 AU - 1.88 AU

Year: 1559 Days

Day: 10.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,823,615 km

• M1: 172,935 km (0.104 R)
• M2: 802,293 km (0.102 R)
• M3: 1,470,397 km (0.026 R)
• M4: 3,430,130 km (0.077 R)
• M5: 4,501,550 km (0.111 R)
• M6: 5,905,825 km (0.108 R)
• M7: 6,687,623 km (0.101 R)
• M8: 8,852,005 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 11.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.9 AU - 2.56 AU

Year: 2150 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,823,615 km

• M1: 138,976 km (0.07 R)
• M2: 508,932 km (0.118 R)
• M3: 1,105,678 km (0.099 R)
• M4: 2,310,838 km (0.077 R)
• M5: 3,231,763 km (0.119 R)
• M6: 3,669,785 km (0.036 R)
• M7: 4,185,898 km (0.07 R)
• M8: 4,877,339 km (0.099 R)
• M9: 5,432,946 km (0.118 R)
• M10: 6,105,089 km (0.114 R)
• M11: 7,357,223 km (0.104 R)
• M12: 8,029,067 km (0.054 R)
• M13: 8,646,009 km (0.108 R)
• M14: 9,360,937 km (0.093 R)
• M15: 9,767,395 km (0.094 R)
• M16: 10,220,826 km (0.114 R)
• M17: 13,413,095 km (0.087 R)
• M18: 15,142,446 km (0.056 R)
• M19: 15,941,149 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.3

Radius: 9.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.17 AU - 2.47 AU

Year: 2282 Days

Day: 8.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,823,615 km

• M1: 115,490 km (0.092 R)
• M2: 433,535 km (0.096 R)
• M3: 2,915,513 km (0.114 R)
• M4: 3,325,261 km (0.082 R)
• M5: 3,969,879 km (0.076 R)
• M6: 5,825,939 km (0.099 R)
• M7: 6,385,585 km (0.075 R)
• M8: 6,834,379 km (0.074 R)
• M9: 7,981,944 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.6

Radius: 9.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.31 AU - 3.41 AU

Year: 3977 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,823,615 km

• M1: 122,521 km (0.111 R)
• M2: 576,251 km (0.095 R)
• M3: 1,177,036 km (0.042 R)
• M4: 2,057,868 km (0.1 R)
• M5: 2,476,144 km (0.099 R)
• M6: 2,982,234 km (0.086 R)
• M7: 3,362,811 km (0.083 R)
• M8: 3,720,050 km (0.071 R)
• M9: 4,406,405 km (0.084 R)
• M10: 4,969,342 km (0.1 R)
• M11: 5,506,698 km (0.102 R)
• M12: 6,212,500 km (0.12 R)
• M13: 8,369,103 km (0.112 R)
• M14: 9,028,680 km (0.042 R)
• M15: 11,612,236 km (0.105 R)
• M16: 12,474,667 km (0.108 R)
• M17: 13,870,266 km (0.118 R)
• M18: 14,605,689 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 9.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.65 AU - 4.21 AU

Year: 4102 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,823,615 km

• M1: 119,529 km (0.036 R)
• M2: 488,886 km (0.099 R)
• M3: 810,820 km (0.079 R)
• M4: 1,280,109 km (0.073 R)
• M5: 1,662,032 km (0.116 R)
• M6: 2,027,051 km (0.118 R)
• M7: 2,644,292 km (0.112 R)
• M8: 3,400,808 km (0.053 R)
• M9: 3,709,429 km (0.111 R)
• M10: 4,473,425 km (0.04 R)
• M11: 5,112,507 km (0.078 R)
• M12: 6,601,754 km (0.092 R)
• M13: 8,053,901 km (0.055 R)
• M14: 8,747,436 km (0.112 R)
• M15: 9,405,218 km (0.062 R)
• M16: 11,794,296 km (0.093 R)
• M17: 12,597,038 km (0.054 R)
• M18: 13,152,196 km (0.051 R)
• M19: 13,723,660 km (0.067 R)
• M20: 14,461,028 km (0.044 R)
• M21: 14,865,092 km (0.062 R)
• M22: 16,666,549 km (0.1 R)
• M23: 17,166,954 km (0.096 R)
• M24: 17,562,940 km (0.084 R)
• M25: 18,847,237 km (0.085 R)
• M26: 19,512,499 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.2

Radius: 13.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.13 AU - 4.35 AU

Year: 4670 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,823,615 km

• M1: 163,062 km (0.109 R)
• M2: 653,294 km (0.113 R)
• M3: 1,164,320 km (0.087 R)
• M4: 2,737,940 km (0.057 R)
• M5: 4,543,138 km (0.117 R)
• M6: 5,915,249 km (0.093 R)
• M7: 6,474,895 km (0.097 R)
• M8: 9,180,672 km (0.049 R)
• M9: 11,117,665 km (0.063 R)
• M10: 13,091,010 km (0.109 R)
• M11: 14,231,096 km (0.064 R)
• M12: 15,987,824 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 10.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.33 AU - 5.73 AU

Year: 8397 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,823,615 km

• M1: 135,685 km (0.031 R)
• M2: 572,960 km (0.078 R)
• M3: 923,168 km (0.116 R)
• M4: 1,422,975 km (0.081 R)
• M5: 2,258,030 km (0.11 R)
• M6: 3,106,250 km (0.093 R)
• M7: 3,739,498 km (0.088 R)
• M8: 4,601,182 km (0.111 R)
• M9: 5,236,973 km (0.104 R)
• M10: 6,047,045 km (0.054 R)
• M11: 7,432,920 km (0.09 R)
• M12: 9,410,155 km (0.046 R)
• M13: 10,016,625 km (0.118 R)
• M14: 10,691,909 km (0.1 R)
• M15: 11,129,334 km (0.058 R)
• M16: 11,807,760 km (0.043 R)
• M17: 14,113,213 km (0.085 R)
• M18: 15,676,810 km (0.085 R)
• M19: 16,184,844 km (0.079 R)
• M20: 17,293,364 km (0.091 R)
• M21: 18,891,219 km (0.099 R)
• M22: 19,661,050 km (0.09 R)
• M23: 21,126,660 km (0.106 R)
• M24: 25,260,648 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.3

Radius: 7.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.36 AU - 7.9 AU

Year: 11023 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,823,615 km

• M1: 95,892 km (0.104 R)
• M2: 375,042 km (0.086 R)
• M3: 870,959 km (0.106 R)
• M4: 1,917,845 km (0.116 R)
• M5: 3,379,266 km (0.088 R)
• M6: 3,957,462 km (0.119 R)
• M7: 7,919,562 km (0.067 R)
• M8: 8,502,993 km (0.088 R)
• M9: 9,025,539 km (0.075 R)
• M10: 9,523,251 km (0.04 R)
• M11: 11,540,728 km (0.101 R)
• M12: 14,366,931 km (0.111 R)
• M13: 15,045,357 km (0.115 R)
• M14: 16,070,102 km (0.114 R)
• M15: 17,623,826 km (0.086 R)
• M16: 21,820,495 km (0.047 R)
• M17: 29,984,799 km (0.088 R)
• M18: 37,266,924 km (0.101 R)
• M19: 39,018,266 km (0.102 R)
• M20: 39,374,908 km (0.059 R)
• M21: 40,094,922 km (0.072 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: 480 - 14,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit