🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.5

Radius: 10.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,950,811 km

• M1: 130,599 km (0.112 R)
• M2: 652,247 km (0.074 R)
• M3: 1,043,744 km (0.043 R)
• M4: 1,520,363 km (0.097 R)
• M5: 1,966,614 km (0.106 R)
• M6: 2,297,973 km (0.069 R)
• M7: 3,105,951 km (0.034 R)
• M8: 3,460,947 km (0.087 R)
• M9: 4,316,347 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.8

Radius: 8

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.76 AU - 1.12 AU

Year: 629 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 179.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,950,811 km

• M1: 99,483 km (0.088 R)
• M2: 396,285 km (0.092 R)
• M3: 728,392 km (0.076 R)
• M4: 1,186,311 km (0.078 R)
• M5: 1,466,209 km (0.05 R)
• M6: 1,764,357 km (0.12 R)
• M7: 2,045,452 km (0.11 R)
• M8: 2,420,045 km (0.029 R)
• M9: 2,937,055 km (0.088 R)
• M10: 3,321,222 km (0.049 R)
• M11: 4,190,386 km (0.034 R)
• M12: 4,478,661 km (0.116 R)
• M13: 5,786,595 km (0.059 R)
• M14: 6,043,904 km (0.075 R)
• M15: 6,517,830 km (0.065 R)
• M16: 6,796,530 km (0.09 R)
• M17: 7,586,856 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 13.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1 AU - 1.26 AU

Year: 829 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,950,811 km

• M1: 166,652 km (0.043 R)
• M2: 613,650 km (0.073 R)
• M3: 1,031,926 km (0.098 R)
• M4: 1,535,921 km (0.102 R)
• M5: 2,008,202 km (0.049 R)
• M6: 2,672,566 km (0.088 R)
• M7: 3,254,950 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 8.2

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.45 AU - 1.75 AU

Year: 1397 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,950,811 km

• M1: 102,026 km (0.115 R)
• M2: 403,615 km (0.039 R)
• M3: 761,902 km (0.113 R)
• M4: 1,271,432 km (0.034 R)
• M5: 1,726,359 km (0.107 R)
• M6: 2,177,098 km (0.068 R)
• M7: 2,662,992 km (0.098 R)
• M8: 3,443,294 km (0.046 R)
• M9: 3,763,733 km (0.115 R)
• M10: 4,425,703 km (0.114 R)
• M11: 5,493,533 km (0.064 R)
• M12: 6,099,853 km (0.028 R)
• M13: 7,473,162 km (0.086 R)
• M14: 8,456,020 km (0.072 R)
• M15: 8,916,183 km (0.107 R)
• M16: 9,200,119 km (0.051 R)
• M17: 10,088,432 km (0.071 R)
• M18: 11,250,508 km (0.027 R)
• M19: 11,807,162 km (0.053 R)
• M20: 14,433,951 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 9.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.31 AU - 2.43 AU

Year: 2518 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,950,811 km

• M1: 119,379 km (0.111 R)
• M2: 509,082 km (0.051 R)
• M3: 1,188,705 km (0.117 R)
• M4: 1,616,704 km (0.098 R)
• M5: 2,988,965 km (0.088 R)
• M6: 3,802,628 km (0.119 R)
• M7: 4,313,355 km (0.077 R)
• M8: 4,869,111 km (0.106 R)
• M9: 5,181,173 km (0.106 R)
• M10: 5,974,490 km (0.067 R)
• M11: 6,371,373 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 14

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.78 AU - 3.16 AU

Year: 3533 Days

Day: 5.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 145.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,950,811 km

• M1: 174,282 km (0.117 R)
• M2: 666,907 km (0.118 R)
• M3: 1,446,462 km (0.096 R)
• M4: 2,241,126 km (0.116 R)
• M5: 2,983,879 km (0.113 R)
• M6: 4,354,944 km (0.088 R)
• M7: 5,451,346 km (0.101 R)
• M8: 6,673,711 km (0.072 R)
• M9: 7,350,192 km (0.062 R)
• M10: 8,568,966 km (0.103 R)
• M11: 10,558,319 km (0.119 R)
• M12: 13,559,102 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.1

Radius: 14.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.64 AU - 5.36 AU

Year: 7717 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,950,811 km

• M1: 182,809 km (0.04 R)
• M2: 1,039,855 km (0.086 R)
• M3: 1,908,869 km (0.082 R)
• M4: 2,589,838 km (0.115 R)
• M5: 3,373,582 km (0.069 R)
• M6: 5,897,746 km (0.097 R)
• M7: 6,524,711 km (0.103 R)
• M8: 7,354,979 km (0.086 R)
• M9: 8,499,702 km (0.107 R)
• M10: 9,798,960 km (0.101 R)
• M11: 10,763,866 km (0.079 R)
• M12: 13,261,702 km (0.083 R)
• M13: 13,843,637 km (0.078 R)
• M14: 14,392,063 km (0.108 R)
• M15: 20,001,684 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.5

Radius: 3.4

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.84 AU - 10.24 AU

Year: 18761 Days

Day: 23.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,950,811 km

• M1: 42,336 km (0.077 R)
• M2: 222,751 km (0.027 R)
• M3: 406,906 km (0.026 R)
• M4: 710,889 km (0.079 R)
• M5: 822,489 km (0.101 R)
• M6: 2,051,436 km (0.057 R)
• M7: 2,487,065 km (0.119 R)
• M8: 6,248,105 km (0.082 R)
• M9: 6,393,215 km (0.052 R)
• M10: 7,473,311 km (0.067 R)
• M11: 8,185,098 km (0.081 R)
• M12: 8,941,166 km (0.081 R)
• M13: 9,218,670 km (0.042 R)
• M14: 16,115,580 km (0.056 R)
• M15: 17,728,694 km (0.091 R)
• M16: 19,446,377 km (0.116 R)
• M17: 27,041,760 km (0.111 R)
• M18: 28,606,554 km (0.086 R)
• M19: 33,439,762 km (0.06 R)
• M20: 35,240,621 km (0.119 R)
• M21: 35,470,104 km (0.109 R)
• M22: 38,182,164 km (0.09 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 198 - 15,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit