🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 14.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.83 AU - 0.97 AU

Year: 551 Days

Day: 7.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,567,329 km

• M1: 177,872 km (0.095 R)
• M2: 625,020 km (0.081 R)
• M3: 1,165,966 km (0.107 R)
• M4: 1,657,993 km (0.049 R)
• M5: 2,356,166 km (0.089 R)
• M6: 3,304,767 km (0.085 R)
• M7: 3,768,670 km (0.08 R)
• M8: 4,262,043 km (0.043 R)
• M9: 4,908,157 km (0.101 R)
• M10: 5,481,864 km (0.08 R)
• M11: 6,063,501 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.2

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.79 AU - 1.13 AU

Year: 607 Days

Day: 12 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,567,329 km

• M1: 134,339 km (0.082 R)
• M2: 522,695 km (0.103 R)
• M3: 947,852 km (0.044 R)
• M4: 1,372,710 km (0.108 R)
• M5: 1,940,883 km (0.096 R)
• M6: 2,380,252 km (0.057 R)
• M7: 2,874,673 km (0.089 R)
• M8: 3,486,977 km (0.028 R)
• M9: 4,113,193 km (0.027 R)
• M10: 4,461,158 km (0.12 R)
• M11: 5,003,899 km (0.069 R)
• M12: 5,418,285 km (0.095 R)
• M13: 6,203,525 km (0.049 R)
• M14: 6,565,252 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.6

Radius: 14.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.46 AU - 1.68 AU

Year: 1270 Days

Day: 13.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,567,329 km

• M1: 175,329 km (0.115 R)
• M2: 675,584 km (0.081 R)
• M3: 1,196,783 km (0.057 R)
• M4: 1,653,056 km (0.103 R)
• M5: 2,684,683 km (0.092 R)
• M6: 3,315,986 km (0.082 R)
• M7: 3,916,622 km (0.092 R)
• M8: 4,414,035 km (0.037 R)
• M9: 4,935,084 km (0.115 R)
• M10: 5,804,547 km (0.117 R)
• M11: 6,342,651 km (0.053 R)
• M12: 6,797,129 km (0.08 R)
• M13: 8,671,889 km (0.12 R)
• M14: 10,711,507 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 12.3

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.71 AU - 1.93 AU

Year: 1585 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,567,329 km

• M1: 155,731 km (0.095 R)
• M2: 667,207 km (0.11 R)
• M3: 1,400,834 km (0.081 R)
• M4: 1,918,443 km (0.029 R)
• M5: 2,501,725 km (0.101 R)
• M6: 3,059,576 km (0.1 R)
• M7: 3,715,413 km (0.071 R)
• M8: 4,111,548 km (0.096 R)
• M9: 4,572,758 km (0.115 R)
• M10: 5,207,801 km (0.103 R)
• M11: 5,641,934 km (0.108 R)
• M12: 7,142,102 km (0.114 R)
• M13: 7,918,066 km (0.11 R)
• M14: 9,365,275 km (0.066 R)
• M15: 9,822,746 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 14

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.62 AU - 2.16 AU

Year: 1678 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,567,329 km

• M1: 174,132 km (0.052 R)
• M2: 663,317 km (0.045 R)
• M3: 1,109,567 km (0.064 R)
• M4: 1,698,983 km (0.059 R)
• M5: 2,235,740 km (0.097 R)
• M6: 2,762,923 km (0.099 R)
• M7: 4,152,238 km (0.115 R)
• M8: 5,406,916 km (0.086 R)
• M9: 5,925,123 km (0.081 R)
• M10: 6,498,382 km (0.116 R)
• M11: 7,560,676 km (0.051 R)
• M12: 8,924,710 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 8.1

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.56 AU - 2.24 AU

Year: 1691 Days

Day: 11.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,567,329 km

• M1: 100,679 km (0.09 R)
• M2: 374,593 km (0.113 R)
• M3: 689,197 km (0.113 R)
• M4: 1,055,413 km (0.099 R)
• M5: 1,320,500 km (0.043 R)
• M6: 2,387,732 km (0.081 R)
• M7: 2,797,929 km (0.117 R)
• M8: 3,121,360 km (0.075 R)
• M9: 3,962,548 km (0.114 R)
• M10: 4,558,098 km (0.036 R)
• M11: 4,867,616 km (0.09 R)
• M12: 5,379,390 km (0.115 R)
• M13: 5,769,691 km (0.056 R)
• M14: 6,558,520 km (0.12 R)
• M15: 6,928,625 km (0.056 R)
• M16: 7,260,583 km (0.102 R)
• M17: 7,549,756 km (0.076 R)
• M18: 8,813,858 km (0.106 R)
• M19: 10,576,869 km (0.119 R)
• M20: 11,294,789 km (0.103 R)
• M21: 11,683,594 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.7

Radius: 8.6

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.11 AU - 2.33 AU

Year: 2136 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 146.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,567,329 km

• M1: 106,962 km (0.115 R)
• M2: 413,937 km (0.073 R)
• M3: 695,481 km (0.108 R)
• M4: 1,041,500 km (0.09 R)
• M5: 1,511,836 km (0.047 R)
• M6: 1,842,298 km (0.09 R)
• M7: 3,037,136 km (0.075 R)
• M8: 3,789,763 km (0.062 R)
• M9: 4,405,807 km (0.057 R)
• M10: 5,392,554 km (0.059 R)
• M11: 6,330,832 km (0.114 R)
• M12: 8,892,696 km (0.06 R)
• M13: 9,547,934 km (0.107 R)
• M14: 10,571,633 km (0.061 R)
• M15: 11,626,597 km (0.069 R)
• M16: 12,536,601 km (0.078 R)
• M17: 15,308,201 km (0.101 R)
• M18: 15,848,099 km (0.051 R)
• M19: 17,972,987 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.8

Radius: 10.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.34 AU - 2.48 AU

Year: 2416 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,567,329 km

• M1: 128,205 km (0.101 R)
• M2: 450,290 km (0.072 R)
• M3: 1,113,607 km (0.065 R)
• M4: 2,349,584 km (0.076 R)
• M5: 3,306,412 km (0.108 R)
• M6: 4,336,244 km (0.111 R)
• M7: 5,545,593 km (0.05 R)
• M8: 6,276,079 km (0.098 R)
• M9: 6,640,051 km (0.087 R)
• M10: 7,043,816 km (0.072 R)
• M11: 7,437,109 km (0.092 R)
• M12: 7,817,386 km (0.069 R)
• M13: 8,267,975 km (0.06 R)
• M14: 8,945,953 km (0.09 R)
• M15: 9,820,951 km (0.12 R)
• M16: 10,480,079 km (0.074 R)
• M17: 10,958,792 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397

Radius: 6.8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.72 AU - 7.84 AU

Year: 11399 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,567,329 km

• M1: 99,483 km (0.107 R)
• M2: 422,464 km (0.11 R)
• M3: 922,420 km (0.068 R)
• M4: 1,135,149 km (0.095 R)
• M5: 1,470,996 km (0.096 R)
• M6: 2,548,998 km (0.088 R)
• M7: 2,933,315 km (0.093 R)
• M8: 3,150,681 km (0.105 R)
• M9: 3,868,451 km (0.117 R)
• M10: 4,376,486 km (0.077 R)
• M11: 5,205,108 km (0.037 R)
• M12: 6,674,907 km (0.118 R)
• M13: 7,052,941 km (0.108 R)
• M14: 7,445,037 km (0.033 R)
• M15: 7,934,671 km (0.113 R)
• M16: 8,978,116 km (0.102 R)
• M17: 11,228,816 km (0.034 R)
• M18: 13,058,099 km (0.086 R)
• M19: 14,822,157 km (0.099 R)
• M20: 15,270,801 km (0.042 R)
• M21: 16,465,639 km (0.047 R)
• M22: 16,808,368 km (0.078 R)
• M23: 17,864,978 km (0.096 R)
• M24: 21,300,194 km (0.115 R)
• M25: 23,044,206 km (0.087 R)
• M26: 26,719,676 km (0.09 R)
• M27: 29,042,931 km (0.105 R)
• M28: 38,232,129 km (0.026 R)
• M29: 38,471,785 km (0.115 R)
• M30: 39,196,736 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.7

Radius: 7.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.48 AU - 11.56 AU

Year: 22031 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,567,329 km

• M1: 99,034 km (0.063 R)
• M2: 525,537 km (0.113 R)
• M3: 1,366,577 km (0.112 R)
• M4: 1,615,208 km (0.109 R)
• M5: 1,877,902 km (0.09 R)
• M6: 2,298,272 km (0.119 R)
• M7: 2,888,286 km (0.098 R)
• M8: 4,665,509 km (0.028 R)
• M9: 4,914,140 km (0.089 R)
• M10: 5,404,223 km (0.11 R)
• M11: 7,234,553 km (0.058 R)
• M12: 8,448,241 km (0.06 R)
• M13: 10,357,558 km (0.113 R)
• M14: 12,125,506 km (0.1 R)
• M15: 16,390,242 km (0.112 R)
• M16: 20,137,070 km (0.056 R)
• M17: 20,715,116 km (0.088 R)
• M18: 23,318,418 km (0.064 R)
• M19: 24,511,312 km (0.096 R)
• M20: 24,886,503 km (0.109 R)
• M21: 29,269,272 km (0.086 R)
• M22: 29,585,672 km (0.08 R)
• M23: 44,889,534 km (0.109 R)
• M24: 47,453,941 km (0.093 R)
• M25: 48,330,135 km (0.114 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 17,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit