🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 9.1

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.6 AU - 0.86 AU

Year: 403 Days

Day: 8.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,586,668 km

• M1: 113,395 km (0.082 R)
• M2: 456,573 km (0.075 R)
• M3: 746,493 km (0.119 R)
• M4: 1,260,212 km (0.106 R)
• M5: 2,107,385 km (0.081 R)
• M6: 2,439,642 km (0.078 R)
• M7: 2,732,704 km (0.103 R)
• M8: 4,178,269 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 10.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.74 AU - 0.86 AU

Year: 462 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,586,668 km

• M1: 143,764 km (0.07 R)
• M2: 980,614 km (0.113 R)
• M3: 1,378,395 km (0.097 R)
• M4: 1,929,663 km (0.108 R)
• M5: 2,387,133 km (0.109 R)
• M6: 3,285,917 km (0.105 R)
• M7: 4,799,399 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 11.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.01 AU - 1.17 AU

Year: 735 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,586,668 km

• M1: 138,079 km (0.1 R)
• M2: 488,437 km (0.062 R)
• M3: 1,146,368 km (0.103 R)
• M4: 1,926,821 km (0.119 R)
• M5: 2,494,694 km (0.066 R)
• M6: 3,031,750 km (0.066 R)
• M7: 3,817,139 km (0.056 R)
• M8: 4,397,729 km (0.119 R)
• M9: 4,764,543 km (0.099 R)
• M10: 5,285,293 km (0.084 R)
• M11: 5,665,122 km (0.072 R)
• M12: 6,100,302 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 14.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.7 AU - 2 AU

Year: 1625 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,586,668 km

• M1: 181,612 km (0.107 R)
• M2: 637,736 km (0.112 R)
• M3: 1,152,203 km (0.075 R)
• M4: 1,610,122 km (0.116 R)
• M5: 2,100,205 km (0.106 R)
• M6: 2,704,879 km (0.037 R)
• M7: 3,186,883 km (0.09 R)
• M8: 3,937,865 km (0.059 R)
• M9: 4,661,769 km (0.077 R)
• M10: 5,294,867 km (0.065 R)
• M11: 7,323,564 km (0.084 R)
• M12: 7,975,810 km (0.099 R)
• M13: 10,272,287 km (0.083 R)
• M14: 11,423,144 km (0.1 R)
• M15: 11,914,573 km (0.047 R)
• M16: 13,391,104 km (0.111 R)
• M17: 14,238,576 km (0.043 R)
• M18: 14,852,825 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 12.4

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.09 AU - 4.61 AU

Year: 4878 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,586,668 km

• M1: 154,235 km (0.066 R)
• M2: 704,456 km (0.061 R)
• M3: 1,228,947 km (0.082 R)
• M4: 1,869,973 km (0.083 R)
• M5: 2,929,126 km (0.114 R)
• M6: 3,367,598 km (0.048 R)
• M7: 4,378,281 km (0.094 R)
• M8: 5,581,347 km (0.082 R)
• M9: 6,007,252 km (0.11 R)
• M10: 6,821,962 km (0.05 R)
• M11: 7,672,276 km (0.108 R)
• M12: 8,316,295 km (0.077 R)
• M13: 13,607,123 km (0.076 R)
• M14: 15,539,778 km (0.066 R)
• M15: 19,317,573 km (0.118 R)
• M16: 20,367,600 km (0.05 R)
• M17: 21,603,429 km (0.066 R)
• M18: 23,354,023 km (0.116 R)
• M19: 24,064,164 km (0.118 R)
• M20: 25,610,707 km (0.07 R)
• M21: 26,281,354 km (0.119 R)
• M22: 27,657,654 km (0.092 R)

Asteroid Belt

Center: 4.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 8.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.07 AU - 6.39 AU

Year: 7723 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,586,668 km

• M1: 103,372 km (0.091 R)
• M2: 400,324 km (0.055 R)
• M3: 1,025,045 km (0.103 R)
• M4: 2,676,306 km (0.092 R)
• M5: 3,080,968 km (0.031 R)
• M6: 3,964,643 km (0.077 R)
• M7: 4,704,404 km (0.111 R)
• M8: 5,179,078 km (0.074 R)
• M9: 5,716,135 km (0.087 R)
• M10: 6,256,931 km (0.104 R)
• M11: 6,761,973 km (0.1 R)
• M12: 7,403,599 km (0.112 R)
• M13: 8,085,316 km (0.032 R)
• M14: 8,562,533 km (0.111 R)
• M15: 9,749,144 km (0.054 R)
• M16: 10,107,431 km (0.062 R)
• M17: 10,993,798 km (0.064 R)
• M18: 11,679,405 km (0.071 R)
• M19: 12,549,765 km (0.096 R)
• M20: 13,851,416 km (0.11 R)
• M21: 16,720,404 km (0.116 R)
• M22: 18,497,029 km (0.12 R)
• M23: 20,178,958 km (0.106 R)
• M24: 21,056,947 km (0.073 R)
• M25: 27,395,260 km (0.097 R)
• M26: 28,927,890 km (0.058 R)
• M27: 30,232,234 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 13,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit