🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.1

Radius: 10.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.76 AU - 0.78 AU

Year: 475 Days

Day: 11.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 88.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,265,768 km

• M1: 129,701 km (0.065 R)
• M2: 487,240 km (0.119 R)
• M3: 1,029,084 km (0.104 R)
• M4: 1,447,509 km (0.073 R)
• M5: 2,245,614 km (0.072 R)
• M6: 2,645,938 km (0.11 R)
• M7: 3,683,399 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 11.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.02 AU - 1.02 AU

Year: 724 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,265,768 km

• M1: 138,079 km (0.104 R)
• M2: 487,240 km (0.092 R)
• M3: 832,512 km (0.076 R)
• M4: 1,231,639 km (0.06 R)
• M5: 1,583,344 km (0.119 R)
• M6: 2,029,594 km (0.038 R)
• M7: 3,266,021 km (0.106 R)
• M8: 3,801,581 km (0.086 R)
• M9: 4,259,500 km (0.08 R)
• M10: 4,738,213 km (0.054 R)
• M11: 5,748,897 km (0.111 R)
• M12: 6,632,272 km (0.093 R)
• M13: 7,234,254 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 14.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.14 AU - 1.44 AU

Year: 1030 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,265,768 km

• M1: 182,210 km (0.116 R)
• M2: 729,738 km (0.11 R)
• M3: 1,201,121 km (0.094 R)
• M4: 1,659,938 km (0.085 R)
• M5: 2,438,595 km (0.099 R)
• M6: 3,058,977 km (0.071 R)
• M7: 3,862,318 km (0.115 R)
• M8: 4,323,229 km (0.108 R)
• M9: 5,239,217 km (0.057 R)
• M10: 5,891,164 km (0.041 R)
• M11: 6,642,594 km (0.095 R)
• M12: 7,235,451 km (0.105 R)
• M13: 9,757,521 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.9

Radius: 10.4

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.07 AU - 1.55 AU

Year: 1054 Days

Day: 9.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,265,768 km

• M1: 129,402 km (0.075 R)
• M2: 516,861 km (0.087 R)
• M3: 1,001,558 km (0.073 R)
• M4: 1,387,371 km (0.114 R)
• M5: 2,048,593 km (0.109 R)
• M6: 2,469,262 km (0.107 R)
• M7: 3,106,699 km (0.077 R)
• M8: 3,680,556 km (0.11 R)
• M9: 4,513,368 km (0.109 R)
• M10: 5,021,552 km (0.097 R)
• M11: 5,876,055 km (0.044 R)
• M12: 6,371,523 km (0.119 R)
• M13: 7,226,774 km (0.106 R)
• M14: 8,394,834 km (0.081 R)
• M15: 8,719,312 km (0.113 R)
• M16: 9,393,400 km (0.044 R)
• M17: 9,743,309 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 12.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.54 AU - 1.78 AU

Year: 1503 Days

Day: 11.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,265,768 km

• M1: 156,779 km (0.118 R)
• M2: 554,559 km (0.112 R)
• M3: 977,622 km (0.111 R)
• M4: 1,380,040 km (0.111 R)
• M5: 1,832,724 km (0.116 R)
• M6: 2,299,918 km (0.066 R)
• M7: 2,725,972 km (0.104 R)
• M8: 3,550,556 km (0.03 R)
• M9: 3,951,927 km (0.102 R)
• M10: 4,794,462 km (0.113 R)
• M11: 5,713,292 km (0.101 R)
• M12: 7,319,076 km (0.096 R)
• M13: 9,098,243 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 9.6

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.05 AU - 3.25 AU

Year: 3930 Days

Day: 9.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,265,768 km

• M1: 129,552 km (0.05 R)
• M2: 844,779 km (0.088 R)
• M3: 1,269,637 km (0.051 R)
• M4: 1,834,519 km (0.038 R)
• M5: 2,397,605 km (0.08 R)
• M6: 5,055,361 km (0.071 R)
• M7: 5,718,678 km (0.086 R)
• M8: 7,526,867 km (0.109 R)
• M9: 7,843,865 km (0.102 R)
• M10: 8,317,342 km (0.104 R)
• M11: 9,687,509 km (0.095 R)
• M12: 10,843,153 km (0.12 R)
• M13: 11,945,390 km (0.082 R)
• M14: 12,426,048 km (0.111 R)
• M15: 13,221,909 km (0.06 R)
• M16: 13,736,376 km (0.114 R)
• M17: 16,335,040 km (0.083 R)
• M18: 18,218,328 km (0.114 R)
• M19: 19,573,535 km (0.093 R)
• M20: 20,581,974 km (0.073 R)
• M21: 22,051,325 km (0.068 R)
• M22: 23,739,686 km (0.032 R)
• M23: 24,808,413 km (0.084 R)
• M24: 25,829,419 km (0.081 R)
• M25: 27,454,500 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 13.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.54 AU - 4.56 AU

Year: 5729 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,265,768 km

• M1: 179,667 km (0.104 R)
• M2: 712,684 km (0.095 R)
• M3: 1,448,107 km (0.112 R)
• M4: 2,078,812 km (0.088 R)
• M5: 2,761,277 km (0.113 R)
• M6: 3,854,688 km (0.06 R)
• M7: 5,135,695 km (0.106 R)
• M8: 5,799,161 km (0.053 R)
• M9: 7,193,114 km (0.116 R)
• M10: 12,058,336 km (0.094 R)
• M11: 13,180,320 km (0.106 R)
• M12: 13,929,806 km (0.081 R)
• M13: 16,047,962 km (0.097 R)
• M14: 18,703,623 km (0.077 R)
• M15: 24,391,035 km (0.053 R)
• M16: 27,281,715 km (0.041 R)
• M17: 27,886,240 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.7

Radius: 3.6

Gravity: 65.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.47 AU - 6.47 AU

Year: 10253 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,265,768 km

• M1: 44,730 km (0.105 R)
• M2: 329,415 km (0.104 R)
• M3: 475,123 km (0.106 R)
• M4: 812,765 km (0.087 R)
• M5: 1,203,515 km (0.088 R)
• M6: 1,692,550 km (0.07 R)
• M7: 2,133,714 km (0.112 R)
• M8: 2,481,230 km (0.12 R)
• M9: 2,668,527 km (0.079 R)
• M10: 2,820,668 km (0.053 R)
• M11: 4,343,275 km (0.036 R)
• M12: 6,039,266 km (0.076 R)
• M13: 6,226,263 km (0.108 R)
• M14: 7,345,106 km (0.112 R)
• M15: 8,638,529 km (0.088 R)
• M16: 10,024,404 km (0.057 R)
• M17: 10,233,691 km (0.099 R)
• M18: 10,499,527 km (0.11 R)
• M19: 17,424,562 km (0.065 R)
• M20: 17,651,202 km (0.107 R)
• M21: 20,276,196 km (0.07 R)
• M22: 27,286,352 km (0.104 R)
• M23: 28,418,509 km (0.119 R)
• M24: 29,048,915 km (0.064 R)
• M25: 30,228,943 km (0.108 R)
• M26: 31,552,435 km (0.095 R)
• M27: 32,798,884 km (0.075 R)
• M28: 35,875,065 km (0.048 R)
• M29: 38,623,777 km (0.113 R)
• M30: 39,267,347 km (0.104 R)
• M31: 41,913,733 km (0.091 R)
• M32: 45,101,065 km (0.104 R)
• M33: 45,385,750 km (0.1 R)
• M34: 47,558,210 km (0.102 R)
• M35: 48,148,972 km (0.087 R)
• M36: 48,446,223 km (0.037 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 17,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit