🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 11.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.66 AU - 0.76 AU

Year: 392 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,961,000 km

• M1: 146,756 km (0.088 R)
• M2: 638,933 km (0.106 R)
• M3: 1,051,972 km (0.06 R)
• M4: 1,574,218 km (0.07 R)
• M5: 2,017,926 km (0.108 R)
• M6: 2,425,430 km (0.091 R)
• M7: 3,152,476 km (0.113 R)
• M8: 4,256,359 km (0.109 R)
• M9: 5,346,927 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 12

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.19 AU - 1.67 AU

Year: 1122 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,961,000 km

• M1: 149,299 km (0.098 R)
• M2: 569,220 km (0.12 R)
• M3: 1,115,252 km (0.115 R)
• M4: 1,654,702 km (0.048 R)
• M5: 2,205,671 km (0.086 R)
• M6: 2,930,921 km (0.091 R)
• M7: 3,664,699 km (0.043 R)
• M8: 4,336,842 km (0.026 R)
• M9: 4,855,199 km (0.105 R)
• M10: 5,497,871 km (0.112 R)
• M11: 6,016,527 km (0.096 R)
• M12: 6,496,886 km (0.066 R)
• M13: 7,102,309 km (0.1 R)
• M14: 9,476,427 km (0.088 R)
• M15: 9,907,717 km (0.093 R)
• M16: 11,145,191 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 9.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.49 AU - 1.71 AU

Year: 1328 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,961,000 km

• M1: 113,096 km (0.106 R)
• M2: 400,623 km (0.064 R)
• M3: 884,423 km (0.103 R)
• M4: 1,449,155 km (0.08 R)
• M5: 1,867,580 km (0.113 R)
• M6: 2,295,430 km (0.101 R)
• M7: 2,633,072 km (0.071 R)
• M8: 2,921,646 km (0.081 R)
• M9: 3,802,030 km (0.106 R)
• M10: 4,659,674 km (0.12 R)
• M11: 5,347,525 km (0.093 R)
• M12: 5,641,037 km (0.118 R)
• M13: 6,778,280 km (0.11 R)
• M14: 7,819,481 km (0.094 R)
• M15: 8,116,283 km (0.06 R)
• M16: 8,847,667 km (0.059 R)
• M17: 9,379,188 km (0.115 R)
• M18: 10,216,338 km (0.104 R)
• M19: 11,443,489 km (0.11 R)
• M20: 11,861,765 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 8.6

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.95 AU - 2.31 AU

Year: 2039 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,961,000 km

• M1: 107,112 km (0.069 R)
• M2: 518,057 km (0.057 R)
• M3: 886,218 km (0.063 R)
• M4: 1,879,697 km (0.085 R)
• M5: 2,330,286 km (0.104 R)
• M6: 2,914,017 km (0.097 R)
• M7: 3,466,183 km (0.084 R)
• M8: 4,206,842 km (0.074 R)
• M9: 4,497,062 km (0.077 R)
• M10: 5,497,871 km (0.085 R)
• M11: 5,870,968 km (0.109 R)
• M12: 6,807,601 km (0.115 R)
• M13: 7,356,176 km (0.112 R)
• M14: 8,607,113 km (0.097 R)
• M15: 8,940,866 km (0.029 R)
• M16: 10,550,988 km (0.078 R)
• M17: 11,807,610 km (0.094 R)
• M18: 12,684,852 km (0.103 R)
• M19: 14,804,654 km (0.119 R)
• M20: 15,430,272 km (0.078 R)
• M21: 16,224,487 km (0.074 R)
• M22: 16,941,510 km (0.106 R)
• M23: 17,948,154 km (0.117 R)
• M24: 18,328,881 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 10.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.98 AU - 2.64 AU

Year: 2303 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,961,000 km

• M1: 133,142 km (0.082 R)
• M2: 488,437 km (0.102 R)
• M3: 833,260 km (0.099 R)
• M4: 1,314,965 km (0.083 R)
• M5: 1,647,671 km (0.103 R)
• M6: 2,172,759 km (0.111 R)
• M7: 2,747,365 km (0.09 R)
• M8: 3,797,093 km (0.11 R)
• M9: 4,805,981 km (0.097 R)
• M10: 5,985,112 km (0.107 R)
• M11: 6,321,108 km (0.11 R)
• M12: 6,918,602 km (0.107 R)
• M13: 7,613,185 km (0.113 R)
• M14: 8,101,473 km (0.102 R)
• M15: 8,906,309 km (0.079 R)
• M16: 10,157,845 km (0.051 R)
• M17: 10,788,101 km (0.104 R)
• M18: 11,762,133 km (0.092 R)
• M19: 13,222,806 km (0.059 R)
• M20: 13,974,386 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.01 AU - 3.33 AU

Year: 2862 Days

Day: 6 Hours

Environment

Temp: -192 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,961,000 km

• M1: 169,644 km (0.051 R)
• M2: 685,757 km (0.102 R)
• M3: 1,409,960 km (0.109 R)
• M4: 2,097,362 km (0.087 R)
• M5: 2,627,238 km (0.043 R)
• M6: 3,192,568 km (0.082 R)
• M7: 3,919,913 km (0.115 R)
• M8: 4,639,180 km (0.109 R)
• M9: 5,522,555 km (0.087 R)
• M10: 6,200,084 km (0.118 R)
• M11: 6,901,997 km (0.103 R)
• M12: 7,853,439 km (0.111 R)
• M13: 8,962,857 km (0.112 R)
• M14: 9,442,468 km (0.091 R)
• M15: 10,413,059 km (0.108 R)
• M16: 11,970,373 km (0.116 R)
• M17: 12,552,757 km (0.107 R)
• M18: 13,438,227 km (0.049 R)
• M19: 13,969,449 km (0.077 R)
• M20: 14,464,768 km (0.066 R)
• M21: 15,333,483 km (0.087 R)
• M22: 16,236,754 km (0.056 R)
• M23: 17,916,888 km (0.08 R)
• M24: 18,979,183 km (0.059 R)
• M25: 19,958,151 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit