🌌 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: 513.1

Radius: 10.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.66 AU - 0.9 AU

Year: 445 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,485,431 km

• M1: 134,339 km (0.103 R)
• M2: 475,422 km (0.071 R)
• M3: 918,980 km (0.057 R)
• M4: 1,788,293 km (0.067 R)
• M5: 2,663,889 km (0.095 R)
• M6: 3,073,339 km (0.111 R)
• M7: 3,560,429 km (0.086 R)
• M8: 4,177,820 km (0.072 R)
• M9: 4,604,323 km (0.12 R)
• M10: 5,105,476 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.3

Radius: 12.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.04 AU - 1.7 AU

Year: 1035 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,485,431 km

• M1: 154,235 km (0.073 R)
• M2: 549,174 km (0.107 R)
• M3: 961,765 km (0.086 R)
• M4: 1,600,697 km (0.043 R)
• M5: 2,018,524 km (0.104 R)
• M6: 2,699,494 km (0.057 R)
• M7: 3,148,437 km (0.102 R)
• M8: 3,861,420 km (0.084 R)
• M9: 4,591,009 km (0.075 R)
• M10: 5,351,714 km (0.104 R)
• M11: 5,876,504 km (0.099 R)
• M12: 7,171,872 km (0.108 R)
• M13: 8,196,617 km (0.064 R)
• M14: 9,751,088 km (0.098 R)
• M15: 10,382,092 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 8.3

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.24 AU - 2.64 AU

Year: 2461 Days

Day: 13.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,485,431 km

• M1: 103,671 km (0.112 R)
• M2: 1,064,987 km (0.061 R)
• M3: 1,413,999 km (0.07 R)
• M4: 2,573,981 km (0.118 R)
• M5: 3,244,479 km (0.029 R)
• M6: 3,602,466 km (0.081 R)
• M7: 4,046,622 km (0.115 R)
• M8: 5,933,500 km (0.083 R)
• M9: 6,470,557 km (0.104 R)
• M10: 7,216,751 km (0.081 R)
• M11: 8,147,549 km (0.101 R)
• M12: 8,777,057 km (0.114 R)
• M13: 9,474,332 km (0.063 R)
• M14: 10,359,353 km (0.12 R)
• M15: 12,123,112 km (0.105 R)
• M16: 12,855,244 km (0.034 R)
• M17: 13,616,697 km (0.076 R)
• M18: 14,455,193 km (0.089 R)
• M19: 19,056,525 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 12

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.49 AU - 3.63 AU

Year: 3456 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,485,431 km

• M1: 150,495 km (0.118 R)
• M2: 591,510 km (0.075 R)
• M3: 982,409 km (0.035 R)
• M4: 1,574,667 km (0.119 R)
• M5: 1,948,662 km (0.071 R)
• M6: 2,728,366 km (0.118 R)
• M7: 3,157,413 km (0.115 R)
• M8: 4,724,151 km (0.083 R)
• M9: 5,741,865 km (0.119 R)
• M10: 6,507,208 km (0.097 R)
• M11: 6,957,797 km (0.084 R)
• M12: 7,429,180 km (0.101 R)
• M13: 8,176,421 km (0.114 R)
• M14: 11,032,993 km (0.087 R)
• M15: 11,881,212 km (0.118 R)
• M16: 12,685,600 km (0.119 R)
• M17: 13,301,345 km (0.091 R)
• M18: 15,864,854 km (0.116 R)
• M19: 18,129,317 km (0.106 R)
• M20: 19,252,797 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 12.5

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.95 AU - 3.31 AU

Year: 3575 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,485,431 km

• M1: 155,582 km (0.07 R)
• M2: 559,346 km (0.079 R)
• M3: 948,151 km (0.113 R)
• M4: 1,617,602 km (0.114 R)
• M5: 2,007,903 km (0.11 R)
• M6: 2,682,140 km (0.082 R)
• M7: 3,406,044 km (0.067 R)
• M8: 3,951,329 km (0.114 R)
• M9: 4,841,585 km (0.115 R)
• M10: 5,641,186 km (0.11 R)
• M11: 6,289,693 km (0.065 R)
• M12: 7,602,414 km (0.095 R)
• M13: 8,394,834 km (0.113 R)
• M14: 8,977,817 km (0.113 R)
• M15: 10,763,866 km (0.1 R)
• M16: 11,674,019 km (0.052 R)
• M17: 13,846,181 km (0.098 R)
• M18: 17,183,709 km (0.062 R)
• M19: 17,709,097 km (0.067 R)
• M20: 18,915,155 km (0.097 R)
• M21: 21,222,852 km (0.038 R)
• M22: 23,928,479 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 8.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.48 AU - 5.08 AU

Year: 5717 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,485,431 km

• M1: 105,167 km (0.086 R)
• M2: 408,701 km (0.116 R)
• M3: 758,611 km (0.097 R)
• M4: 1,123,929 km (0.1 R)
• M5: 1,946,418 km (0.084 R)
• M6: 2,228,559 km (0.104 R)
• M7: 2,590,138 km (0.113 R)
• M8: 2,918,804 km (0.073 R)
• M9: 3,512,408 km (0.107 R)
• M10: 4,579,939 km (0.106 R)
• M11: 5,062,691 km (0.059 R)
• M12: 5,735,882 km (0.116 R)
• M13: 7,860,471 km (0.082 R)
• M14: 8,259,598 km (0.078 R)
• M15: 10,359,952 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.4

Radius: 13.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.08 AU - 5.52 AU

Year: 7878 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,485,431 km

• M1: 181,163 km (0.05 R)
• M2: 627,713 km (0.108 R)
• M3: 1,116,449 km (0.097 R)
• M4: 1,997,580 km (0.107 R)
• M5: 5,038,007 km (0.069 R)
• M6: 6,347,587 km (0.063 R)
• M7: 7,461,343 km (0.116 R)
• M8: 8,260,645 km (0.086 R)
• M9: 8,907,356 km (0.045 R)
• M10: 10,030,388 km (0.097 R)
• M11: 10,579,561 km (0.096 R)
• M12: 11,343,109 km (0.082 R)
• M13: 18,088,627 km (0.103 R)
• M14: 18,835,120 km (0.103 R)
• M15: 20,028,911 km (0.105 R)
• M16: 21,572,611 km (0.114 R)
• M17: 22,104,432 km (0.114 R)
• M18: 23,036,427 km (0.091 R)
• M19: 25,397,081 km (0.055 R)
• M20: 26,940,931 km (0.069 R)
• M21: 29,373,093 km (0.114 R)
• M22: 30,404,570 km (0.038 R)
• M23: 32,342,012 km (0.089 R)
• M24: 34,052,365 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.7

Radius: 5.2

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.34 AU - 11.36 AU

Year: 19960 Days

Day: 24.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,485,431 km

• M1: 64,776 km (0.093 R)
• M2: 253,718 km (0.112 R)
• M3: 423,063 km (0.099 R)
• M4: 611,257 km (0.112 R)
• M5: 1,113,008 km (0.073 R)
• M6: 1,782,159 km (0.093 R)
• M7: 2,102,299 km (0.113 R)
• M8: 2,857,020 km (0.085 R)
• M9: 3,241,935 km (0.056 R)
• M10: 5,061,644 km (0.071 R)
• M11: 5,941,579 km (0.092 R)
• M12: 7,469,721 km (0.102 R)
• M13: 12,299,638 km (0.075 R)
• M14: 12,631,446 km (0.075 R)
• M15: 13,522,301 km (0.046 R)
• M16: 22,898,048 km (0.096 R)
• M17: 25,805,334 km (0.105 R)
• M18: 28,026,263 km (0.094 R)
• M19: 38,892,454 km (0.102 R)
• M20: 40,915,317 km (0.092 R)
• M21: 43,311,875 km (0.104 R)
• M22: 48,054,426 km (0.087 R)
• M23: 54,543,683 km (0.078 R)
• M24: 54,900,474 km (0.092 R)
• M25: 57,442,142 km (0.039 R)
• M26: 61,592,884 km (0.066 R)
• M27: 67,774,567 km (0.109 R)
• M28: 69,016,978 km (0.115 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: 256 - 11,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit