🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 9.6

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.28 AU - 1.84 AU

Year: 1299 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,368,273 km

• M1: 119,379 km (0.062 R)
• M2: 1,235,080 km (0.117 R)
• M3: 1,694,944 km (0.084 R)
• M4: 2,325,200 km (0.059 R)
• M5: 2,836,376 km (0.094 R)
• M6: 3,692,823 km (0.058 R)
• M7: 4,083,872 km (0.109 R)
• M8: 4,597,143 km (0.117 R)
• M9: 5,555,317 km (0.054 R)
• M10: 6,470,856 km (0.088 R)
• M11: 6,839,166 km (0.046 R)
• M12: 7,484,082 km (0.09 R)
• M13: 9,950,802 km (0.103 R)
• M14: 11,192,314 km (0.105 R)
• M15: 11,687,932 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.39 AU - 1.77 AU

Year: 1324 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,368,273 km

• M1: 174,132 km (0.099 R)
• M2: 640,728 km (0.106 R)
• M3: 1,285,195 km (0.12 R)
• M4: 1,911,113 km (0.096 R)
• M5: 2,594,625 km (0.104 R)
• M6: 3,080,220 km (0.117 R)
• M7: 3,562,823 km (0.117 R)
• M8: 4,382,470 km (0.094 R)
• M9: 5,282,899 km (0.056 R)
• M10: 6,048,092 km (0.095 R)
• M11: 8,187,791 km (0.089 R)
• M12: 9,398,187 km (0.113 R)
• M13: 9,869,869 km (0.09 R)
• M14: 11,486,424 km (0.1 R)
• M15: 12,696,222 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 10.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.73 AU - 1.93 AU

Year: 1651 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,368,273 km

• M1: 131,796 km (0.094 R)
• M2: 464,053 km (0.113 R)
• M3: 1,478,027 km (0.057 R)
• M4: 2,592,681 km (0.098 R)
• M5: 3,058,379 km (0.098 R)
• M6: 3,613,985 km (0.057 R)
• M7: 4,293,908 km (0.078 R)
• M8: 4,863,427 km (0.029 R)
• M9: 5,300,552 km (0.077 R)
• M10: 6,129,025 km (0.101 R)
• M11: 7,178,903 km (0.11 R)
• M12: 7,573,392 km (0.085 R)
• M13: 8,686,550 km (0.083 R)
• M14: 9,802,400 km (0.076 R)
• M15: 10,288,743 km (0.076 R)
• M16: 11,234,650 km (0.057 R)
• M17: 11,767,518 km (0.105 R)
• M18: 12,760,998 km (0.07 R)
• M19: 13,215,326 km (0.053 R)
• M20: 14,959,637 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 10.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.75 AU - 2.15 AU

Year: 1816 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,368,273 km

• M1: 132,993 km (0.034 R)
• M2: 539,001 km (0.112 R)
• M3: 897,587 km (0.061 R)
• M4: 1,277,267 km (0.059 R)
• M5: 1,828,086 km (0.082 R)
• M6: 2,364,993 km (0.064 R)
• M7: 2,841,013 km (0.106 R)
• M8: 3,269,910 km (0.058 R)
• M9: 3,711,972 km (0.108 R)
• M10: 4,441,710 km (0.036 R)
• M11: 4,967,248 km (0.119 R)
• M12: 5,321,346 km (0.098 R)
• M13: 6,101,349 km (0.117 R)
• M14: 6,978,741 km (0.083 R)
• M15: 8,423,856 km (0.104 R)
• M16: 8,767,333 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 12.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.85 AU - 2.65 AU

Year: 2251 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,368,273 km

• M1: 155,432 km (0.03 R)
• M2: 583,132 km (0.118 R)
• M3: 1,303,895 km (0.073 R)
• M4: 1,906,924 km (0.107 R)
• M5: 3,088,448 km (0.089 R)
• M6: 5,047,881 km (0.052 R)
• M7: 6,469,659 km (0.113 R)
• M8: 9,710,996 km (0.101 R)
• M9: 10,512,691 km (0.065 R)
• M10: 11,933,422 km (0.098 R)
• M11: 13,142,622 km (0.108 R)
• M12: 13,863,085 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 12.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.86 AU - 3.24 AU

Year: 3552 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,368,273 km

• M1: 155,432 km (0.116 R)
• M2: 632,350 km (0.115 R)
• M3: 1,330,972 km (0.036 R)
• M4: 2,855,823 km (0.109 R)
• M5: 3,526,770 km (0.083 R)
• M6: 4,071,456 km (0.058 R)
• M7: 5,917,493 km (0.047 R)
• M8: 6,378,554 km (0.035 R)
• M9: 7,373,230 km (0.061 R)
• M10: 8,950,141 km (0.065 R)
• M11: 11,061,865 km (0.09 R)
• M12: 12,495,611 km (0.1 R)
• M13: 14,972,503 km (0.101 R)
• M14: 16,831,256 km (0.083 R)
• M15: 17,373,848 km (0.06 R)
• M16: 17,927,958 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 14.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.57 AU - 5.35 AU

Year: 6281 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 160.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,368,273 km

• M1: 182,809 km (0.087 R)
• M2: 1,635,703 km (0.12 R)
• M3: 2,223,922 km (0.066 R)
• M4: 4,401,618 km (0.089 R)
• M5: 4,969,492 km (0.116 R)
• M6: 5,502,808 km (0.084 R)
• M7: 6,193,352 km (0.078 R)
• M8: 7,237,096 km (0.064 R)
• M9: 9,511,582 km (0.105 R)
• M10: 12,086,760 km (0.102 R)
• M11: 13,106,569 km (0.109 R)
• M12: 14,025,848 km (0.112 R)
• M13: 19,604,951 km (0.071 R)
• M14: 26,914,901 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.2

Radius: 6.7

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.09 AU - 7.75 AU

Year: 12139 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,368,273 km

• M1: 83,326 km (0.117 R)
• M2: 366,216 km (0.094 R)
• M3: 848,370 km (0.057 R)
• M4: 1,081,593 km (0.088 R)
• M5: 1,451,099 km (0.105 R)
• M6: 1,985,912 km (0.115 R)
• M7: 2,252,196 km (0.086 R)
• M8: 2,522,220 km (0.071 R)
• M9: 3,720,200 km (0.038 R)
• M10: 5,029,181 km (0.077 R)
• M11: 8,382,417 km (0.099 R)
• M12: 8,703,903 km (0.06 R)
• M13: 9,177,530 km (0.103 R)
• M14: 9,469,844 km (0.091 R)
• M15: 11,806,713 km (0.1 R)
• M16: 13,292,818 km (0.106 R)
• M17: 13,667,261 km (0.107 R)
• M18: 16,133,532 km (0.091 R)
• M19: 16,920,417 km (0.096 R)
• M20: 18,110,318 km (0.053 R)
• M21: 19,594,479 km (0.108 R)
• M22: 20,905,704 km (0.039 R)
• M23: 25,762,698 km (0.105 R)
• M24: 28,554,494 km (0.032 R)
• M25: 31,211,950 km (0.029 R)
• M26: 34,262,550 km (0.09 R)
• M27: 34,730,642 km (0.051 R)
• M28: 35,084,590 km (0.115 R)
• M29: 42,543,989 km (0.081 R)
• M30: 48,161,090 km (0.076 R)
• M31: 49,489,668 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.4

Radius: 3.5

Gravity: 79.05 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.94 AU - 7.16 AU

Year: 12483 Days

Day: 19.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,368,273 km

• M1: 43,533 km (0.064 R)
• M2: 186,848 km (0.069 R)
• M3: 457,620 km (0.071 R)
• M4: 662,868 km (0.114 R)
• M5: 811,718 km (0.069 R)
• M6: 1,216,530 km (0.108 R)
• M7: 1,864,588 km (0.076 R)
• M8: 2,262,967 km (0.071 R)
• M9: 2,785,064 km (0.108 R)
• M10: 2,903,096 km (0.054 R)
• M11: 3,049,403 km (0.069 R)
• M12: 4,183,804 km (0.109 R)
• M13: 5,103,232 km (0.053 R)
• M14: 5,280,506 km (0.092 R)
• M15: 5,535,720 km (0.1 R)
• M16: 5,722,867 km (0.112 R)
• M17: 8,756,412 km (0.082 R)
• M18: 9,427,658 km (0.107 R)
• M19: 11,106,445 km (0.079 R)
• M20: 11,525,020 km (0.088 R)
• M21: 11,891,984 km (0.082 R)
• M22: 12,974,324 km (0.098 R)
• M23: 13,505,696 km (0.114 R)
• M24: 16,612,395 km (0.04 R)
• M25: 21,238,260 km (0.091 R)
• M26: 21,420,919 km (0.069 R)
• M27: 25,710,788 km (0.119 R)
• M28: 27,836,873 km (0.072 R)
• M29: 33,782,640 km (0.053 R)
• M30: 36,327,898 km (0.072 R)
• M31: 36,458,497 km (0.109 R)
• M32: 37,248,075 km (0.053 R)
• M33: 39,409,614 km (0.096 R)
• M34: 43,832,625 km (0.105 R)
• M35: 45,326,958 km (0.039 R)
• M36: 47,788,142 km (0.071 R)
• M37: 51,479,769 km (0.086 R)
• M38: 60,884,389 km (0.079 R)
• M39: 61,809,053 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 13,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit