🌌 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: 653.8

Radius: 11.5

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 11.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,578,022 km

• M1: 143,464 km (0.106 R)
• M2: 501,452 km (0.088 R)
• M3: 869,912 km (0.112 R)
• M4: 1,391,410 km (0.061 R)
• M5: 1,850,077 km (0.113 R)
• M6: 2,579,067 km (0.095 R)
• M7: 3,198,851 km (0.066 R)
• M8: 4,226,140 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190

Radius: 13.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,578,022 km

• M1: 172,935 km (0.078 R)
• M2: 752,776 km (0.053 R)
• M3: 1,262,307 km (0.086 R)
• M4: 2,055,475 km (0.092 R)
• M5: 3,357,724 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.3

Radius: 10.9

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 8.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,578,022 km

• M1: 135,536 km (0.029 R)
• M2: 479,760 km (0.11 R)
• M3: 1,018,462 km (0.113 R)
• M4: 1,590,375 km (0.077 R)
• M5: 1,980,377 km (0.106 R)
• M6: 2,345,695 km (0.082 R)
• M7: 2,805,558 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 12.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.75 AU - 4.71 AU

Year: 5901 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,578,022 km

• M1: 160,818 km (0.074 R)
• M2: 562,638 km (0.075 R)
• M3: 1,138,589 km (0.108 R)
• M4: 1,601,445 km (0.103 R)
• M5: 2,071,033 km (0.038 R)
• M6: 2,479,286 km (0.064 R)
• M7: 4,358,085 km (0.115 R)
• M8: 5,607,377 km (0.12 R)
• M9: 6,283,709 km (0.09 R)
• M10: 7,082,861 km (0.101 R)
• M11: 10,880,104 km (0.025 R)
• M12: 13,371,806 km (0.073 R)
• M13: 14,243,812 km (0.078 R)
• M14: 14,807,796 km (0.095 R)
• M15: 15,328,097 km (0.039 R)
• M16: 18,444,370 km (0.087 R)
• M17: 24,996,757 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.6

Radius: 7.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.01 AU - 7.33 AU

Year: 11684 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,578,022 km

• M1: 96,491 km (0.064 R)
• M2: 505,042 km (0.111 R)
• M3: 990,637 km (0.083 R)
• M4: 1,612,067 km (0.113 R)
• M5: 3,147,090 km (0.045 R)
• M6: 3,855,137 km (0.114 R)
• M7: 4,446,797 km (0.069 R)
• M8: 5,445,662 km (0.044 R)
• M9: 5,809,783 km (0.062 R)
• M10: 7,263,425 km (0.094 R)
• M11: 7,950,080 km (0.048 R)
• M12: 8,983,053 km (0.116 R)
• M13: 11,268,310 km (0.074 R)
• M14: 11,814,043 km (0.057 R)
• M15: 12,472,722 km (0.079 R)
• M16: 13,255,419 km (0.109 R)
• M17: 13,914,996 km (0.103 R)
• M18: 16,253,210 km (0.104 R)
• M19: 18,031,630 km (0.12 R)
• M20: 18,589,630 km (0.058 R)
• M21: 19,287,055 km (0.116 R)
• M22: 20,599,627 km (0.116 R)
• M23: 23,183,182 km (0.097 R)
• M24: 25,199,612 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.8

Radius: 6

Gravity: 26.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.66 AU - 9.32 AU

Year: 13903 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,578,022 km

• M1: 74,649 km (0.102 R)
• M2: 367,412 km (0.067 R)
• M3: 861,534 km (0.055 R)
• M4: 1,175,390 km (0.1 R)
• M5: 1,455,288 km (0.048 R)
• M6: 2,374,717 km (0.082 R)
• M7: 2,661,047 km (0.116 R)
• M8: 3,575,688 km (0.053 R)
• M9: 3,775,401 km (0.082 R)
• M10: 4,355,542 km (0.09 R)
• M11: 7,100,364 km (0.039 R)
• M12: 13,434,338 km (0.103 R)
• M13: 13,709,747 km (0.091 R)
• M14: 15,143,942 km (0.116 R)
• M15: 16,993,570 km (0.11 R)
• M16: 17,234,871 km (0.051 R)
• M17: 17,560,097 km (0.081 R)
• M18: 17,806,784 km (0.074 R)
• M19: 18,222,965 km (0.076 R)
• M20: 18,475,935 km (0.072 R)
• M21: 21,227,339 km (0.065 R)
• M22: 22,362,039 km (0.111 R)
• M23: 25,689,844 km (0.098 R)
• M24: 30,739,670 km (0.094 R)
• M25: 31,823,207 km (0.109 R)
• M26: 36,546,311 km (0.098 R)
• M27: 40,702,888 km (0.109 R)
• M28: 42,894,497 km (0.116 R)
• M29: 46,877,690 km (0.108 R)
• M30: 51,100,538 km (0.114 R)
• M31: 54,516,456 km (0.046 R)
• M32: 55,041,545 km (0.119 R)
• M33: 58,629,201 km (0.05 R)
• M34: 59,920,679 km (0.112 R)
• M35: 60,667,322 km (0.088 R)
• M36: 65,474,051 km (0.066 R)
• M37: 66,067,356 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.8

Radius: 7.4

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.25 AU - 10.51 AU

Year: 21063 Days

Day: 17.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,578,022 km

• M1: 92,003 km (0.12 R)
• M2: 405,410 km (0.057 R)
• M3: 1,016,817 km (0.092 R)
• M4: 1,548,188 km (0.116 R)
• M5: 1,885,532 km (0.089 R)
• M6: 2,798,079 km (0.103 R)
• M7: 3,250,911 km (0.09 R)
• M8: 4,035,103 km (0.087 R)
• M9: 4,807,328 km (0.109 R)
• M10: 5,350,817 km (0.113 R)
• M11: 6,242,121 km (0.118 R)
• M12: 6,805,656 km (0.114 R)
• M13: 8,749,979 km (0.092 R)
• M14: 16,983,098 km (0.097 R)
• M15: 17,291,569 km (0.096 R)
• M16: 17,525,391 km (0.091 R)
• M17: 19,221,830 km (0.028 R)
• M18: 23,314,828 km (0.049 R)
• M19: 25,563,883 km (0.036 R)
• M20: 26,481,965 km (0.1 R)
• M21: 29,812,761 km (0.114 R)
• M22: 36,391,328 km (0.115 R)
• M23: 39,004,952 km (0.077 R)
• M24: 46,531,221 km (0.059 R)
• M25: 53,967,432 km (0.093 R)
• M26: 54,970,186 km (0.071 R)
• M27: 57,531,601 km (0.085 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: 381 - 11,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit