🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 9.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,705,535 km

• M1: 113,246 km (0.066 R)
• M2: 502,948 km (0.047 R)
• M3: 885,320 km (0.063 R)
• M4: 1,331,271 km (0.082 R)
• M5: 1,641,687 km (0.117 R)
• M6: 1,943,576 km (0.078 R)
• M7: 2,634,718 km (0.078 R)
• M8: 3,130,784 km (0.062 R)
• M9: 3,481,142 km (0.104 R)
• M10: 4,008,475 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342

Radius: 9.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.67 AU - 0.75 AU

Year: 413 Days

Day: 13 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,705,535 km

• M1: 121,922 km (0.089 R)
• M2: 433,385 km (0.118 R)
• M3: 795,113 km (0.08 R)
• M4: 1,120,488 km (0.03 R)
• M5: 1,586,934 km (0.065 R)
• M6: 2,252,346 km (0.115 R)
• M7: 2,631,576 km (0.098 R)
• M8: 3,033,246 km (0.102 R)
• M9: 3,344,859 km (0.045 R)
• M10: 3,666,644 km (0.111 R)
• M11: 4,206,991 km (0.118 R)
• M12: 4,529,824 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.9

Radius: 8.5

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.72 AU - 0.9 AU

Year: 503 Days

Day: 12.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,705,535 km

• M1: 105,766 km (0.105 R)
• M2: 384,167 km (0.086 R)
• M3: 698,024 km (0.065 R)
• M4: 1,292,526 km (0.057 R)
• M5: 1,616,555 km (0.059 R)
• M6: 2,136,557 km (0.095 R)
• M7: 2,542,266 km (0.112 R)
• M8: 3,345,008 km (0.106 R)
• M9: 3,704,642 km (0.097 R)
• M10: 4,233,919 km (0.071 R)
• M11: 5,188,054 km (0.096 R)
• M12: 5,582,693 km (0.043 R)
• M13: 5,960,578 km (0.041 R)
• M14: 6,240,774 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 12.1

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,705,535 km

• M1: 150,495 km (0.119 R)
• M2: 560,842 km (0.08 R)
• M3: 1,009,935 km (0.103 R)
• M4: 1,391,410 km (0.086 R)
• M5: 1,783,057 km (0.081 R)
• M6: 2,383,393 km (0.106 R)
• M7: 2,874,523 km (0.087 R)
• M8: 3,271,406 km (0.084 R)
• M9: 3,881,018 km (0.07 R)
• M10: 4,279,397 km (0.112 R)
• M11: 5,858,851 km (0.119 R)
• M12: 6,404,883 km (0.115 R)
• M13: 6,821,214 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 9.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.1 AU - 1.24 AU

Year: 874 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,705,535 km

• M1: 114,442 km (0.066 R)
• M2: 468,391 km (0.049 R)
• M3: 984,653 km (0.066 R)
• M4: 1,319,453 km (0.104 R)
• M5: 2,267,006 km (0.081 R)
• M6: 2,791,197 km (0.06 R)
• M7: 3,082,614 km (0.094 R)
• M8: 4,006,081 km (0.03 R)
• M9: 4,458,914 km (0.042 R)
• M10: 5,032,921 km (0.102 R)
• M11: 5,523,303 km (0.116 R)
• M12: 6,791,594 km (0.05 R)
• M13: 8,146,352 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 13.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.1 AU - 1.68 AU

Year: 1131 Days

Day: 10.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,705,535 km

• M1: 169,345 km (0.094 R)
• M2: 731,683 km (0.094 R)
• M3: 1,213,239 km (0.045 R)
• M4: 1,979,180 km (0.047 R)
• M5: 3,294,145 km (0.085 R)
• M6: 3,761,339 km (0.052 R)
• M7: 5,147,214 km (0.089 R)
• M8: 5,678,137 km (0.062 R)
• M9: 6,712,606 km (0.042 R)
• M10: 7,179,351 km (0.119 R)
• M11: 8,930,993 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.3

Radius: 9.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.91 AU - 2.89 AU

Year: 2566 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,705,535 km

• M1: 116,836 km (0.099 R)
• M2: 566,378 km (0.093 R)
• M3: 1,065,586 km (0.092 R)
• M4: 1,922,333 km (0.029 R)
• M5: 2,490,206 km (0.088 R)
• M6: 2,860,461 km (0.055 R)
• M7: 3,267,217 km (0.086 R)
• M8: 4,217,912 km (0.095 R)
• M9: 5,487,399 km (0.044 R)
• M10: 6,383,640 km (0.057 R)
• M11: 6,796,530 km (0.103 R)
• M12: 7,493,956 km (0.084 R)
• M13: 7,891,288 km (0.117 R)
• M14: 8,694,927 km (0.117 R)
• M15: 8,997,265 km (0.048 R)
• M16: 9,306,633 km (0.073 R)
• M17: 10,806,950 km (0.084 R)
• M18: 11,715,907 km (0.074 R)
• M19: 13,151,897 km (0.064 R)
• M20: 14,141,487 km (0.107 R)
• M21: 14,891,870 km (0.071 R)
• M22: 15,471,861 km (0.104 R)
• M23: 15,767,466 km (0.108 R)
• M24: 16,370,046 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 14.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.38 AU - 2.58 AU

Year: 2696 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,705,535 km

• M1: 176,525 km (0.114 R)
• M2: 648,357 km (0.099 R)
• M3: 3,236,999 km (0.118 R)
• M4: 3,739,199 km (0.101 R)
• M5: 4,377,084 km (0.05 R)
• M6: 5,086,776 km (0.086 R)
• M7: 6,213,996 km (0.044 R)
• M8: 7,532,253 km (0.103 R)
• M9: 8,421,762 km (0.11 R)
• M10: 9,415,540 km (0.044 R)
• M11: 10,795,581 km (0.075 R)
• M12: 12,010,315 km (0.071 R)
• M13: 12,738,109 km (0.095 R)
• M14: 14,855,817 km (0.107 R)
• M15: 15,395,266 km (0.036 R)
• M16: 16,513,361 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 13

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.34 AU - 5.64 AU

Year: 7694 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,705,535 km

• M1: 161,865 km (0.09 R)
• M2: 754,871 km (0.075 R)
• M3: 1,325,736 km (0.1 R)
• M4: 2,323,105 km (0.052 R)
• M5: 2,946,629 km (0.06 R)
• M6: 3,590,199 km (0.118 R)
• M7: 4,584,128 km (0.092 R)
• M8: 5,103,382 km (0.069 R)
• M9: 6,936,554 km (0.083 R)
• M10: 7,365,002 km (0.079 R)
• M11: 8,595,295 km (0.105 R)
• M12: 9,345,080 km (0.1 R)
• M13: 9,913,402 km (0.116 R)
• M14: 10,366,235 km (0.087 R)
• M15: 11,119,460 km (0.1 R)
• M16: 12,112,042 km (0.098 R)
• M17: 12,577,591 km (0.11 R)
• M18: 14,793,285 km (0.06 R)
• M19: 15,505,819 km (0.117 R)
• M20: 16,179,159 km (0.077 R)
• M21: 16,808,069 km (0.083 R)
• M22: 19,984,929 km (0.091 R)
• M23: 23,782,621 km (0.103 R)
• M24: 27,148,423 km (0.055 R)
• M25: 28,670,432 km (0.09 R)
• M26: 29,592,104 km (0.052 R)
• M27: 33,274,905 km (0.098 R)
• M28: 34,189,995 km (0.1 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 16,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit