🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 12.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.06 AU - 1.42 AU

Year: 971 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,155,372 km

• M1: 159,471 km (0.09 R)
• M2: 570,716 km (0.108 R)
• M3: 1,067,231 km (0.113 R)
• M4: 1,937,442 km (0.07 R)
• M5: 2,335,672 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 14.4

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.27 AU - 1.63 AU

Year: 1227 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,155,372 km

• M1: 179,069 km (0.111 R)
• M2: 782,098 km (0.066 R)
• M3: 1,283,400 km (0.096 R)
• M4: 2,026,453 km (0.109 R)
• M5: 2,646,686 km (0.11 R)
• M6: 3,200,646 km (0.031 R)
• M7: 3,914,527 km (0.026 R)
• M8: 4,435,876 km (0.081 R)
• M9: 4,886,166 km (0.11 R)
• M10: 5,705,513 km (0.099 R)
• M11: 6,759,131 km (0.077 R)
• M12: 7,332,839 km (0.087 R)
• M13: 10,771,645 km (0.106 R)
• M14: 11,486,723 km (0.092 R)
• M15: 12,342,423 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 13.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.62 AU - 2.68 AU

Year: 3032 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,155,372 km

• M1: 165,754 km (0.119 R)
• M2: 601,832 km (0.054 R)
• M3: 1,054,815 km (0.091 R)
• M4: 2,290,792 km (0.1 R)
• M5: 3,431,626 km (0.106 R)
• M6: 4,560,192 km (0.091 R)
• M7: 5,075,856 km (0.111 R)
• M8: 5,873,212 km (0.043 R)
• M9: 6,380,349 km (0.084 R)
• M10: 7,027,360 km (0.086 R)
• M11: 7,599,721 km (0.081 R)
• M12: 9,167,956 km (0.058 R)
• M13: 10,351,425 km (0.061 R)
• M14: 12,477,958 km (0.04 R)
• M15: 13,665,915 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 10.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.33 AU - 5.43 AU

Year: 6443 Days

Day: 11.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,155,372 km

• M1: 135,536 km (0.111 R)
• M2: 877,092 km (0.096 R)
• M3: 1,412,653 km (0.08 R)
• M4: 1,950,457 km (0.096 R)
• M5: 2,444,429 km (0.101 R)
• M6: 2,842,210 km (0.095 R)
• M7: 3,244,778 km (0.101 R)
• M8: 4,493,322 km (0.072 R)
• M9: 4,913,991 km (0.083 R)
• M10: 5,664,374 km (0.114 R)
• M11: 6,186,022 km (0.117 R)
• M12: 8,377,930 km (0.117 R)
• M13: 8,750,279 km (0.056 R)
• M14: 9,448,452 km (0.079 R)
• M15: 10,436,695 km (0.104 R)
• M16: 11,401,751 km (0.082 R)
• M17: 13,058,398 km (0.114 R)
• M18: 13,610,713 km (0.093 R)
• M19: 14,816,024 km (0.093 R)
• M20: 15,361,757 km (0.09 R)
• M21: 16,205,339 km (0.086 R)
• M22: 16,961,257 km (0.098 R)
• M23: 22,998,129 km (0.106 R)
• M24: 24,477,353 km (0.116 R)
• M25: 25,163,409 km (0.032 R)
• M26: 26,974,890 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.2

Radius: 12.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.7 AU - 5.64 AU

Year: 7094 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,155,372 km

• M1: 159,172 km (0.082 R)
• M2: 761,304 km (0.053 R)
• M3: 1,681,031 km (0.035 R)
• M4: 2,703,533 km (0.088 R)
• M5: 3,893,285 km (0.071 R)
• M6: 6,058,415 km (0.094 R)
• M7: 8,133,786 km (0.053 R)
• M8: 8,689,243 km (0.067 R)
• M9: 12,229,626 km (0.12 R)
• M10: 12,687,545 km (0.096 R)
• M11: 13,719,022 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.9

Radius: 7.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.96 AU - 6.54 AU

Year: 10983 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,155,372 km

• M1: 105,317 km (0.106 R)
• M2: 570,865 km (0.117 R)
• M3: 1,526,197 km (0.083 R)
• M4: 1,947,465 km (0.083 R)
• M5: 3,603,962 km (0.085 R)
• M6: 6,724,723 km (0.106 R)
• M7: 7,855,683 km (0.114 R)
• M8: 8,259,448 km (0.039 R)
• M9: 9,803,597 km (0.098 R)
• M10: 11,024,615 km (0.068 R)
• M11: 11,671,775 km (0.083 R)
• M12: 12,149,292 km (0.076 R)
• M13: 12,392,987 km (0.117 R)
• M14: 12,689,639 km (0.074 R)
• M15: 13,245,844 km (0.104 R)
• M16: 15,922,898 km (0.071 R)
• M17: 20,343,366 km (0.109 R)
• M18: 23,129,925 km (0.109 R)
• M19: 24,497,848 km (0.098 R)
• M20: 28,837,982 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.2

Radius: 7.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.17 AU - 9.43 AU

Year: 18350 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,155,372 km

• M1: 94,695 km (0.11 R)
• M2: 433,235 km (0.088 R)
• M3: 1,312,273 km (0.057 R)
• M4: 1,987,109 km (0.115 R)
• M5: 2,348,238 km (0.054 R)
• M6: 3,109,093 km (0.108 R)
• M7: 3,396,320 km (0.113 R)
• M8: 4,532,217 km (0.119 R)
• M9: 6,904,391 km (0.087 R)
• M10: 7,395,221 km (0.062 R)
• M11: 8,483,396 km (0.105 R)
• M12: 10,289,491 km (0.092 R)
• M13: 10,756,685 km (0.048 R)
• M14: 16,579,782 km (0.084 R)
• M15: 17,699,373 km (0.054 R)
• M16: 23,988,617 km (0.117 R)
• M17: 25,418,922 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.9

Radius: 3.9

Gravity: 50.68 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.65 AU - 12.17 AU

Year: 21929 Days

Day: 16.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,155,372 km

• M1: 48,470 km (0.086 R)
• M2: 216,767 km (0.069 R)
• M3: 563,984 km (0.053 R)
• M4: 701,315 km (0.071 R)
• M5: 1,045,390 km (0.06 R)
• M6: 2,251,897 km (0.118 R)
• M7: 3,016,491 km (0.062 R)
• M8: 6,369,279 km (0.092 R)
• M9: 6,550,741 km (0.069 R)
• M10: 7,262,079 km (0.043 R)
• M11: 8,504,938 km (0.089 R)
• M12: 10,688,469 km (0.105 R)
• M13: 12,570,111 km (0.097 R)
• M14: 13,588,872 km (0.119 R)
• M15: 15,954,763 km (0.091 R)
• M16: 17,944,414 km (0.029 R)
• M17: 19,327,596 km (0.055 R)
• M18: 21,079,238 km (0.069 R)
• M19: 22,722,570 km (0.098 R)
• M20: 38,147,607 km (0.089 R)
• M21: 39,502,814 km (0.049 R)
• M22: 44,746,369 km (0.101 R)
• M23: 50,614,495 km (0.119 R)
• M24: 55,052,016 km (0.049 R)
• M25: 55,242,305 km (0.076 R)
• M26: 58,743,643 km (0.067 R)
• M27: 65,328,193 km (0.114 R)
• M28: 66,399,464 km (0.112 R)
• M29: 71,478,611 km (0.11 R)
• M30: 73,996,792 km (0.106 R)
• M31: 74,693,618 km (0.116 R)
• M32: 75,394,933 km (0.202 R)
• M33: 77,286,299 km (0.113 R)
• M34: 79,694,825 km (0.053 R)
• M35: 83,651,689 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 20,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit