🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 15

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.76 AU - 0.8 AU

Year: 445 Days

Day: 14.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,621,879 km

• M1: 186,549 km (0.088 R)
• M2: 676,033 km (0.089 R)
• M3: 1,146,518 km (0.051 R)
• M4: 2,078,513 km (0.064 R)
• M5: 2,844,155 km (0.075 R)
• M6: 3,487,874 km (0.089 R)
• M7: 4,033,458 km (0.113 R)
• M8: 4,975,326 km (0.088 R)
• M9: 6,005,607 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.4

Radius: 8.2

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.75 AU - 0.83 AU

Year: 453 Days

Day: 14.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,621,879 km

• M1: 102,175 km (0.035 R)
• M2: 395,387 km (0.045 R)
• M3: 804,687 km (0.117 R)
• M4: 1,188,256 km (0.06 R)
• M5: 1,469,350 km (0.118 R)
• M6: 1,935,647 km (0.076 R)
• M7: 2,879,609 km (0.084 R)
• M8: 3,513,904 km (0.11 R)
• M9: 3,838,681 km (0.086 R)
• M10: 4,102,123 km (0.025 R)
• M11: 5,408,262 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 11.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.05 AU - 1.53 AU

Year: 946 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,621,879 km

• M1: 147,952 km (0.042 R)
• M2: 581,786 km (0.087 R)
• M3: 1,333,515 km (0.097 R)
• M4: 4,191,882 km (0.069 R)
• M5: 5,131,057 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 9.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.33 AU - 1.37 AU

Year: 1013 Days

Day: 5.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,621,879 km

• M1: 122,072 km (0.076 R)
• M2: 444,156 km (0.114 R)
• M3: 1,099,844 km (0.097 R)
• M4: 1,599,949 km (0.077 R)
• M5: 2,046,050 km (0.108 R)
• M6: 2,759,034 km (0.077 R)
• M7: 3,212,315 km (0.1 R)
• M8: 4,004,585 km (0.1 R)
• M9: 4,702,011 km (0.114 R)
• M10: 5,118,042 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 8.4

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.3 AU - 1.64 AU

Year: 1151 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,621,879 km

• M1: 104,569 km (0.119 R)
• M2: 450,738 km (0.044 R)
• M3: 868,116 km (0.077 R)
• M4: 1,269,488 km (0.082 R)
• M5: 1,630,168 km (0.091 R)
• M6: 1,942,229 km (0.084 R)
• M7: 2,329,388 km (0.113 R)
• M8: 3,394,974 km (0.086 R)
• M9: 3,942,353 km (0.108 R)
• M10: 4,326,969 km (0.112 R)
• M11: 6,099,554 km (0.044 R)
• M12: 6,883,746 km (0.117 R)
• M13: 7,338,823 km (0.082 R)
• M14: 7,679,906 km (0.081 R)
• M15: 9,578,004 km (0.113 R)
• M16: 10,470,505 km (0.043 R)
• M17: 10,903,291 km (0.103 R)
• M18: 11,313,339 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 9.3

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.47 AU - 1.49 AU

Year: 1163 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,621,879 km

• M1: 115,789 km (0.055 R)
• M2: 428,000 km (0.079 R)
• M3: 893,099 km (0.089 R)
• M4: 1,236,576 km (0.115 R)
• M5: 1,576,762 km (0.113 R)
• M6: 1,875,209 km (0.101 R)
• M7: 2,223,324 km (0.094 R)
• M8: 2,640,402 km (0.049 R)
• M9: 2,951,716 km (0.11 R)
• M10: 3,600,372 km (0.094 R)
• M11: 4,160,466 km (0.108 R)
• M12: 4,797,005 km (0.111 R)
• M13: 6,263,663 km (0.099 R)
• M14: 6,672,813 km (0.025 R)
• M15: 8,120,472 km (0.112 R)
• M16: 8,724,847 km (0.085 R)
• M17: 11,340,566 km (0.111 R)
• M18: 12,504,736 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 10.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.66 AU - 3.3 AU

Year: 3322 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,621,879 km

• M1: 135,536 km (0.099 R)
• M2: 484,847 km (0.083 R)
• M3: 847,771 km (0.095 R)
• M4: 1,231,340 km (0.097 R)
• M5: 1,742,666 km (0.077 R)
• M6: 2,163,185 km (0.102 R)
• M7: 2,705,627 km (0.091 R)
• M8: 3,289,956 km (0.078 R)
• M9: 5,448,205 km (0.119 R)
• M10: 6,456,495 km (0.081 R)
• M11: 7,502,184 km (0.04 R)
• M12: 8,687,597 km (0.077 R)
• M13: 9,598,648 km (0.115 R)
• M14: 10,434,152 km (0.108 R)
• M15: 12,365,162 km (0.114 R)
• M16: 14,140,440 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.1

Radius: 9.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.16 AU - 6.26 AU

Year: 8810 Days

Day: 10.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,621,879 km

• M1: 123,119 km (0.087 R)
• M2: 536,608 km (0.097 R)
• M3: 992,881 km (0.069 R)
• M4: 2,001,769 km (0.058 R)
• M5: 2,322,357 km (0.055 R)
• M6: 2,987,469 km (0.112 R)
• M7: 4,242,895 km (0.051 R)
• M8: 4,721,907 km (0.09 R)
• M9: 5,032,173 km (0.059 R)
• M10: 6,653,664 km (0.109 R)
• M11: 7,008,511 km (0.093 R)
• M12: 8,109,701 km (0.057 R)
• M13: 9,322,491 km (0.085 R)
• M14: 11,896,621 km (0.081 R)
• M15: 15,213,655 km (0.047 R)
• M16: 16,465,340 km (0.111 R)
• M17: 16,984,744 km (0.083 R)
• M18: 19,966,229 km (0.1 R)
• M19: 22,007,044 km (0.097 R)
• M20: 22,320,750 km (0.089 R)
• M21: 22,796,920 km (0.119 R)
• M22: 25,024,283 km (0.117 R)
• M23: 25,366,114 km (0.084 R)
• M24: 29,052,654 km (0.115 R)
• M25: 29,715,822 km (0.076 R)
• M26: 30,195,732 km (0.117 R)
• M27: 31,170,960 km (0.062 R)
• M28: 36,146,436 km (0.119 R)
• M29: 36,913,723 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.3

Radius: 5.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.96 AU - 9.16 AU

Year: 13421 Days

Day: 21.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,621,879 km

• M1: 63,579 km (0.09 R)
• M2: 233,223 km (0.098 R)
• M3: 416,480 km (0.052 R)
• M4: 813,962 km (0.11 R)
• M5: 1,328,130 km (0.104 R)
• M6: 1,974,692 km (0.116 R)
• M7: 4,383,218 km (0.067 R)
• M8: 6,463,376 km (0.078 R)
• M9: 9,336,702 km (0.104 R)
• M10: 11,564,963 km (0.101 R)
• M11: 13,673,694 km (0.092 R)
• M12: 14,818,417 km (0.049 R)
• M13: 16,212,220 km (0.029 R)
• M14: 16,973,075 km (0.066 R)
• M15: 20,400,362 km (0.089 R)
• M16: 21,512,174 km (0.119 R)
• M17: 24,590,748 km (0.08 R)
• M18: 26,019,857 km (0.081 R)
• M19: 28,040,475 km (0.11 R)
• M20: 29,135,083 km (0.105 R)
• M21: 32,291,748 km (0.104 R)
• M22: 34,621,884 km (0.108 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: 385 - 11,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit