🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 10.2

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.48 AU - 0.64 AU

Year: 289 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,901,618 km

• M1: 128,804 km (0.072 R)
• M2: 452,085 km (0.105 R)
• M3: 815,458 km (0.095 R)
• M4: 1,196,185 km (0.114 R)
• M5: 1,689,708 km (0.095 R)
• M6: 2,185,326 km (0.104 R)
• M7: 2,738,539 km (0.114 R)
• M8: 3,254,950 km (0.074 R)
• M9: 3,918,417 km (0.118 R)
• M10: 4,549,122 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 14.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.46 AU - 0.72 AU

Year: 313 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,901,618 km

• M1: 182,809 km (0.094 R)
• M2: 798,703 km (0.105 R)
• M3: 1,484,759 km (0.06 R)
• M4: 1,965,566 km (0.11 R)
• M5: 2,515,937 km (0.108 R)
• M6: 3,201,245 km (0.059 R)
• M7: 3,849,153 km (0.098 R)
• M8: 4,515,911 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 15

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.6 AU - 0.84 AU

Year: 422 Days

Day: 6.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,901,618 km

• M1: 186,549 km (0.104 R)
• M2: 679,174 km (0.097 R)
• M3: 1,152,652 km (0.064 R)
• M4: 1,724,415 km (0.097 R)
• M5: 2,429,021 km (0.115 R)
• M6: 3,147,240 km (0.093 R)
• M7: 3,728,129 km (0.116 R)
• M8: 6,167,172 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.3

Radius: 14.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.7 AU - 0.8 AU

Year: 448 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,901,618 km

• M1: 184,005 km (0.06 R)
• M2: 677,678 km (0.076 R)
• M3: 1,158,935 km (0.118 R)
• M4: 1,725,611 km (0.086 R)
• M5: 2,360,206 km (0.099 R)
• M6: 3,251,360 km (0.086 R)
• M7: 3,951,628 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.5

Radius: 10.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.39 AU - 2.87 AU

Year: 2944 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,901,618 km

• M1: 132,993 km (0.116 R)
• M2: 534,812 km (0.066 R)
• M3: 944,411 km (0.072 R)
• M4: 1,658,143 km (0.095 R)
• M5: 2,255,786 km (0.104 R)
• M6: 2,897,711 km (0.11 R)
• M7: 3,270,658 km (0.072 R)
• M8: 4,275,058 km (0.105 R)
• M9: 5,097,099 km (0.114 R)
• M10: 5,546,042 km (0.12 R)
• M11: 6,072,926 km (0.098 R)
• M12: 7,522,230 km (0.102 R)
• M13: 8,042,681 km (0.047 R)
• M14: 9,678,085 km (0.1 R)
• M15: 10,442,829 km (0.054 R)
• M16: 11,326,204 km (0.057 R)
• M17: 12,134,182 km (0.103 R)
• M18: 13,023,392 km (0.063 R)
• M19: 14,368,427 km (0.104 R)
• M20: 14,836,668 km (0.098 R)
• M21: 15,412,021 km (0.053 R)
• M22: 16,915,630 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 8.3

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.32 AU - 5.36 AU

Year: 7350 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,901,618 km

• M1: 103,522 km (0.102 R)
• M2: 521,498 km (0.092 R)
• M3: 917,933 km (0.117 R)
• M4: 1,213,538 km (0.111 R)
• M5: 2,098,260 km (0.078 R)
• M6: 2,366,788 km (0.115 R)
• M7: 3,293,098 km (0.088 R)
• M8: 3,587,806 km (0.108 R)
• M9: 5,552,325 km (0.063 R)
• M10: 7,317,879 km (0.092 R)
• M11: 8,266,479 km (0.101 R)
• M12: 9,161,673 km (0.082 R)
• M13: 9,839,650 km (0.069 R)
• M14: 10,405,729 km (0.095 R)
• M15: 11,863,560 km (0.106 R)
• M16: 13,798,459 km (0.066 R)
• M17: 14,628,129 km (0.102 R)
• M18: 15,178,948 km (0.069 R)
• M19: 15,553,691 km (0.07 R)
• M20: 15,998,744 km (0.089 R)
• M21: 18,706,765 km (0.118 R)
• M22: 20,019,486 km (0.091 R)
• M23: 21,005,037 km (0.069 R)
• M24: 21,548,825 km (0.112 R)
• M25: 22,745,907 km (0.102 R)
• M26: 25,359,382 km (0.114 R)
• M27: 27,607,689 km (0.056 R)
• M28: 27,979,439 km (0.098 R)
• M29: 30,181,670 km (0.119 R)
• M30: 31,274,781 km (0.028 R)
• M31: 32,703,740 km (0.053 R)
• M32: 36,913,574 km (0.079 R)
• M33: 37,364,761 km (0.113 R)
• M34: 38,163,165 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.5

Radius: 6

Gravity: 22.82 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.83 AU - 8.13 AU

Year: 15560 Days

Day: 16.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,901,618 km

• M1: 75,248 km (0.089 R)
• M2: 300,542 km (0.091 R)
• M3: 1,116,599 km (0.104 R)
• M4: 1,639,293 km (0.063 R)
• M5: 4,157,923 km (0.08 R)
• M6: 5,392,704 km (0.089 R)
• M7: 11,815,539 km (0.106 R)
• M8: 12,658,373 km (0.1 R)
• M9: 13,961,520 km (0.102 R)
• M10: 17,154,986 km (0.07 R)
• M11: 17,647,612 km (0.111 R)
• M12: 18,833,923 km (0.082 R)
• M13: 25,358,784 km (0.104 R)
• M14: 26,213,436 km (0.099 R)
• M15: 29,355,889 km (0.12 R)
• M16: 30,656,194 km (0.094 R)
• M17: 31,994,497 km (0.056 R)
• M18: 42,619,685 km (0.104 R)
• M19: 44,438,496 km (0.069 R)
• M20: 45,836,040 km (0.09 R)
• M21: 48,067,890 km (0.073 R)
• M22: 51,549,930 km (0.107 R)
• M23: 51,890,116 km (0.099 R)
• M24: 52,747,012 km (0.118 R)
• M25: 55,196,528 km (0.079 R)
• M26: 58,087,656 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.8

Radius: 7.9

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.27 AU - 10.43 AU

Year: 16655 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,901,618 km

• M1: 99,483 km (0.105 R)
• M2: 716,275 km (0.04 R)
• M3: 1,679,386 km (0.105 R)
• M4: 2,103,496 km (0.11 R)
• M5: 2,417,352 km (0.039 R)
• M6: 4,220,605 km (0.119 R)
• M7: 7,802,576 km (0.097 R)
• M8: 9,363,480 km (0.102 R)
• M9: 11,754,353 km (0.104 R)
• M10: 12,277,048 km (0.083 R)
• M11: 13,723,361 km (0.094 R)
• M12: 19,004,913 km (0.097 R)
• M13: 19,543,316 km (0.111 R)
• M14: 24,118,917 km (0.11 R)
• M15: 31,805,554 km (0.119 R)
• M16: 32,057,178 km (0.095 R)
• M17: 36,129,681 km (0.083 R)
• M18: 37,794,556 km (0.104 R)
• M19: 38,503,051 km (0.098 R)
• M20: 41,575,941 km (0.104 R)
• M21: 43,249,044 km (0.081 R)
• M22: 43,868,528 km (0.045 R)
• M23: 45,442,747 km (0.102 R)
• M24: 46,405,259 km (0.046 R)
• M25: 55,323,237 km (0.118 R)
• M26: 58,469,430 km (0.091 R)
• M27: 62,913,085 km (0.116 R)
• M28: 66,749,672 km (0.064 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: 376 - 15,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit