🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.1

Radius: 13.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.63 AU - 0.81 AU

Year: 429 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,817,684 km

• M1: 162,912 km (0.102 R)
• M2: 688,898 km (0.066 R)
• M3: 1,170,603 km (0.079 R)
• M4: 1,579,604 km (0.115 R)
• M5: 2,710,414 km (0.028 R)
• M6: 3,705,689 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 11.7

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.73 AU - 0.79 AU

Year: 466 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,817,684 km

• M1: 145,559 km (0.097 R)
• M2: 704,606 km (0.101 R)
• M3: 1,577,510 km (0.093 R)
• M4: 1,973,196 km (0.109 R)
• M5: 2,626,191 km (0.044 R)
• M6: 3,084,110 km (0.088 R)
• M7: 3,633,732 km (0.079 R)
• M8: 4,063,826 km (0.091 R)
• M9: 4,994,624 km (0.07 R)
• M10: 6,080,705 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757

Radius: 12.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.73 AU - 1.07 AU

Year: 600 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,817,684 km

• M1: 157,975 km (0.093 R)
• M2: 572,661 km (0.119 R)
• M3: 1,082,191 km (0.109 R)
• M4: 1,693,448 km (0.089 R)
• M5: 2,154,060 km (0.078 R)
• M6: 2,698,446 km (0.099 R)
• M7: 3,160,105 km (0.1 R)
• M8: 4,535,359 km (0.093 R)
• M9: 5,437,434 km (0.111 R)
• M10: 6,199,336 km (0.027 R)
• M11: 6,947,026 km (0.109 R)
• M12: 7,419,456 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 11.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.93 AU - 2.49 AU

Year: 2309 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,817,684 km

• M1: 139,276 km (0.103 R)
• M2: 502,948 km (0.116 R)
• M3: 1,067,979 km (0.092 R)
• M4: 1,757,925 km (0.052 R)
• M5: 2,340,608 km (0.053 R)
• M6: 2,810,046 km (0.118 R)
• M7: 4,322,481 km (0.045 R)
• M8: 5,218,722 km (0.05 R)
• M9: 5,943,374 km (0.116 R)
• M10: 6,800,869 km (0.034 R)
• M11: 7,961,449 km (0.049 R)
• M12: 8,787,828 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.6

Radius: 9.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.17 AU - 4.91 AU

Year: 6800 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,817,684 km

• M1: 121,473 km (0.041 R)
• M2: 973,134 km (0.113 R)
• M3: 1,542,354 km (0.063 R)
• M4: 2,368,433 km (0.047 R)
• M5: 4,098,682 km (0.075 R)
• M6: 5,664,224 km (0.06 R)
• M7: 9,766,198 km (0.117 R)
• M8: 10,484,716 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.5

Radius: 12.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.91 AU - 6.25 AU

Year: 8048 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,817,684 km

• M1: 157,975 km (0.104 R)
• M2: 962,961 km (0.113 R)
• M3: 1,405,472 km (0.108 R)
• M4: 1,903,633 km (0.119 R)
• M5: 2,519,378 km (0.093 R)
• M6: 3,070,496 km (0.071 R)
• M7: 3,467,978 km (0.053 R)
• M8: 7,027,958 km (0.076 R)
• M9: 7,906,247 km (0.053 R)
• M10: 8,975,274 km (0.107 R)
• M11: 9,754,080 km (0.09 R)
• M12: 14,395,803 km (0.094 R)
• M13: 14,839,062 km (0.118 R)
• M14: 15,694,612 km (0.079 R)
• M15: 20,752,965 km (0.114 R)
• M16: 23,995,349 km (0.119 R)
• M17: 24,697,860 km (0.085 R)
• M18: 26,062,492 km (0.081 R)
• M19: 26,638,743 km (0.111 R)
• M20: 28,418,509 km (0.116 R)
• M21: 29,029,168 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.6

Radius: 6.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.96 AU - 7.44 AU

Year: 12190 Days

Day: 18.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,817,684 km

• M1: 138,228 km (0.095 R)
• M2: 387,159 km (0.079 R)
• M3: 650,751 km (0.101 R)
• M4: 1,024,147 km (0.071 R)
• M5: 1,570,927 km (0.119 R)
• M6: 2,213,151 km (0.098 R)
• M7: 2,468,215 km (0.117 R)
• M8: 2,705,178 km (0.091 R)
• M9: 3,161,751 km (0.106 R)
• M10: 4,101,375 km (0.062 R)
• M11: 4,786,533 km (0.098 R)
• M12: 7,152,274 km (0.111 R)
• M13: 8,141,415 km (0.111 R)
• M14: 9,175,585 km (0.115 R)
• M15: 10,018,121 km (0.096 R)
• M16: 10,294,577 km (0.088 R)
• M17: 12,217,658 km (0.089 R)
• M18: 13,681,324 km (0.071 R)
• M19: 14,079,104 km (0.09 R)
• M20: 15,197,797 km (0.117 R)
• M21: 15,624,600 km (0.1 R)
• M22: 18,629,872 km (0.085 R)
• M23: 21,234,969 km (0.106 R)
• M24: 22,703,122 km (0.115 R)
• M25: 24,988,380 km (0.071 R)
• M26: 27,422,486 km (0.078 R)
• M27: 30,201,117 km (0.08 R)
• M28: 30,778,565 km (0.049 R)
• M29: 32,354,130 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.2

Radius: 6.4

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.71 AU - 9.51 AU

Year: 16235 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,817,684 km

• M1: 95,593 km (0.069 R)
• M2: 516,861 km (0.093 R)
• M3: 1,136,345 km (0.105 R)
• M4: 1,443,619 km (0.092 R)
• M5: 1,673,103 km (0.114 R)
• M6: 3,135,721 km (0.073 R)
• M7: 3,470,222 km (0.114 R)
• M8: 4,586,072 km (0.088 R)
• M9: 4,848,617 km (0.09 R)
• M10: 5,961,625 km (0.107 R)
• M11: 8,632,246 km (0.07 R)
• M12: 10,819,068 km (0.06 R)
• M13: 11,886,299 km (0.096 R)
• M14: 12,572,055 km (0.088 R)
• M15: 13,152,495 km (0.058 R)
• M16: 14,787,600 km (0.065 R)
• M17: 22,127,171 km (0.08 R)
• M18: 23,451,561 km (0.043 R)
• M19: 27,204,672 km (0.082 R)
• M20: 29,728,986 km (0.114 R)
• M21: 32,645,247 km (0.104 R)
• M22: 51,574,614 km (0.111 R)
• M23: 54,231,921 km (0.103 R)
• M24: 56,630,723 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60

Radius: 3.2

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.47 AU - 8.95 AU

Year: 16536 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,817,684 km

• M1: 45,029 km (0.118 R)
• M2: 161,566 km (0.102 R)
• M3: 410,945 km (0.092 R)
• M4: 787,483 km (0.116 R)
• M5: 1,004,849 km (0.072 R)
• M6: 1,803,253 km (0.117 R)
• M7: 2,337,916 km (0.052 R)
• M8: 3,845,563 km (0.091 R)
• M9: 4,440,514 km (0.113 R)
• M10: 4,668,950 km (0.041 R)
• M11: 5,288,434 km (0.108 R)
• M12: 6,176,298 km (0.078 R)
• M13: 10,997,388 km (0.06 R)
• M14: 11,274,743 km (0.114 R)
• M15: 14,038,713 km (0.109 R)
• M16: 16,611,048 km (0.119 R)
• M17: 20,715,266 km (0.099 R)
• M18: 27,847,943 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.8

Radius: 8

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.33 AU - 11.21 AU

Year: 23135 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,817,684 km

• M1: 99,632 km (0.114 R)
• M2: 353,201 km (0.093 R)
• M3: 609,312 km (0.119 R)
• M4: 1,057,507 km (0.098 R)
• M5: 1,527,245 km (0.099 R)
• M6: 1,838,259 km (0.11 R)
• M7: 2,636,962 km (0.116 R)
• M8: 3,141,555 km (0.104 R)
• M9: 4,477,464 km (0.061 R)
• M10: 5,783,454 km (0.068 R)
• M11: 6,951,514 km (0.081 R)
• M12: 8,425,801 km (0.113 R)
• M13: 10,156,947 km (0.082 R)
• M14: 13,428,653 km (0.119 R)
• M15: 19,100,507 km (0.102 R)
• M16: 22,055,513 km (0.06 R)
• M17: 22,457,782 km (0.086 R)
• M18: 23,589,191 km (0.087 R)
• M19: 24,542,877 km (0.098 R)
• M20: 25,302,086 km (0.062 R)
• M21: 25,853,953 km (0.052 R)
• M22: 29,577,743 km (0.108 R)
• M23: 42,090,707 km (0.101 R)
• M24: 48,050,387 km (0.117 R)
• M25: 48,387,730 km (0.1 R)
• M26: 56,400,791 km (0.116 R)
• M27: 57,153,119 km (0.09 R)
• M28: 64,228,051 km (0.089 R)
• M29: 67,551,517 km (0.065 R)
• M30: 75,672,587 km (0.227 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: 539 - 19,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit