🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 8.4

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.78 AU - 1 AU

Year: 580 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,594,444 km

• M1: 104,419 km (0.086 R)
• M2: 677,978 km (0.057 R)
• M3: 978,520 km (0.068 R)
• M4: 1,247,347 km (0.112 R)
• M5: 1,566,589 km (0.059 R)
• M6: 2,311,437 km (0.074 R)
• M7: 2,706,973 km (0.116 R)
• M8: 3,147,090 km (0.1 R)
• M9: 3,802,778 km (0.086 R)
• M10: 4,995,970 km (0.079 R)
• M11: 6,120,797 km (0.098 R)
• M12: 7,934,521 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 13.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.52 AU - 1.54 AU

Year: 1306 Days

Day: 7.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,594,444 km

• M1: 174,880 km (0.025 R)
• M2: 865,723 km (0.119 R)
• M3: 1,548,188 km (0.12 R)
• M4: 2,820,069 km (0.118 R)
• M5: 3,774,803 km (0.078 R)
• M6: 4,327,866 km (0.089 R)
• M7: 6,019,669 km (0.119 R)
• M8: 7,129,386 km (0.053 R)
• M9: 8,314,201 km (0.063 R)
• M10: 11,245,571 km (0.114 R)
• M11: 11,739,992 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.3

Radius: 9.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.72 AU - 2.04 AU

Year: 1779 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,594,444 km

• M1: 115,639 km (0.098 R)
• M2: 463,155 km (0.115 R)
• M3: 974,780 km (0.116 R)
• M4: 1,380,190 km (0.072 R)
• M5: 1,760,468 km (0.115 R)
• M6: 2,612,727 km (0.072 R)
• M7: 3,150,382 km (0.106 R)
• M8: 3,690,131 km (0.063 R)
• M9: 4,048,717 km (0.099 R)
• M10: 5,970,002 km (0.078 R)
• M11: 6,776,484 km (0.112 R)
• M12: 7,316,383 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 8.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.95 AU - 4.39 AU

Year: 4853 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,594,444 km

• M1: 110,852 km (0.101 R)
• M2: 598,092 km (0.065 R)
• M3: 1,028,785 km (0.076 R)
• M4: 1,609,224 km (0.115 R)
• M5: 2,083,001 km (0.096 R)
• M6: 2,647,434 km (0.115 R)
• M7: 3,518,991 km (0.048 R)
• M8: 4,079,684 km (0.117 R)
• M9: 5,818,011 km (0.112 R)
• M10: 6,440,188 km (0.114 R)
• M11: 7,420,054 km (0.061 R)
• M12: 7,707,133 km (0.029 R)
• M13: 10,059,709 km (0.088 R)
• M14: 10,955,501 km (0.076 R)
• M15: 13,060,343 km (0.118 R)
• M16: 14,071,026 km (0.118 R)
• M17: 16,008,319 km (0.074 R)
• M18: 18,970,356 km (0.09 R)
• M19: 20,056,886 km (0.095 R)
• M20: 20,898,523 km (0.107 R)
• M21: 21,328,168 km (0.114 R)
• M22: 21,617,790 km (0.069 R)
• M23: 22,802,755 km (0.107 R)
• M24: 23,642,148 km (0.101 R)
• M25: 30,744,606 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 8.9

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.59 AU - 5.25 AU

Year: 7533 Days

Day: 6.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,594,444 km

• M1: 110,702 km (0.041 R)
• M2: 485,894 km (0.108 R)
• M3: 895,194 km (0.065 R)
• M4: 1,505,852 km (0.057 R)
• M5: 1,904,082 km (0.104 R)
• M6: 3,021,428 km (0.103 R)
• M7: 3,398,265 km (0.043 R)
• M8: 4,292,412 km (0.118 R)
• M9: 4,769,928 km (0.066 R)
• M10: 5,579,701 km (0.102 R)
• M11: 6,478,186 km (0.051 R)
• M12: 7,204,933 km (0.04 R)
• M13: 10,621,150 km (0.108 R)
• M14: 10,965,225 km (0.072 R)
• M15: 11,630,486 km (0.115 R)
• M16: 12,895,486 km (0.08 R)
• M17: 13,788,286 km (0.037 R)
• M18: 14,881,398 km (0.048 R)
• M19: 16,598,931 km (0.102 R)
• M20: 16,887,954 km (0.05 R)
• M21: 17,895,496 km (0.072 R)
• M22: 20,822,228 km (0.045 R)
• M23: 24,275,396 km (0.034 R)
• M24: 24,648,044 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.6

Radius: 3.1

Gravity: 33.78 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.4 AU - 8.34 AU

Year: 13811 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,594,444 km

• M1: 38,596 km (0.079 R)
• M2: 135,685 km (0.037 R)
• M3: 235,467 km (0.116 R)
• M4: 770,728 km (0.102 R)
• M5: 910,004 km (0.077 R)
• M6: 1,203,365 km (0.088 R)
• M7: 1,485,806 km (0.077 R)
• M8: 1,923,529 km (0.109 R)
• M9: 2,346,293 km (0.096 R)
• M10: 2,660,449 km (0.085 R)
• M11: 3,300,578 km (0.03 R)
• M12: 4,343,125 km (0.062 R)
• M13: 5,688,908 km (0.087 R)
• M14: 6,400,395 km (0.096 R)
• M15: 6,815,978 km (0.113 R)
• M16: 7,249,363 km (0.097 R)
• M17: 11,672,374 km (0.059 R)
• M18: 12,348,706 km (0.111 R)
• M19: 13,965,560 km (0.069 R)
• M20: 23,481,331 km (0.091 R)
• M21: 23,747,016 km (0.119 R)
• M22: 23,925,187 km (0.078 R)
• M23: 27,977,046 km (0.099 R)
• M24: 31,594,472 km (0.119 R)
• M25: 38,499,162 km (0.079 R)
• M26: 41,650,142 km (0.104 R)
• M27: 42,169,845 km (0.118 R)
• M28: 43,620,944 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.1

Radius: 3.2

Gravity: 95.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.82 AU - 8.94 AU

Year: 15269 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,594,444 km

• M1: 39,793 km (0.065 R)
• M2: 189,840 km (0.11 R)
• M3: 721,511 km (0.106 R)
• M4: 1,644,529 km (0.114 R)
• M5: 1,821,354 km (0.082 R)
• M6: 2,611,231 km (0.117 R)
• M7: 4,585,025 km (0.087 R)
• M8: 5,768,643 km (0.059 R)
• M9: 6,135,158 km (0.098 R)
• M10: 6,387,829 km (0.046 R)
• M11: 6,691,513 km (0.112 R)
• M12: 6,959,293 km (0.06 R)
• M13: 7,280,779 km (0.088 R)
• M14: 7,953,221 km (0.078 R)
• M15: 8,771,222 km (0.113 R)
• M16: 8,930,544 km (0.117 R)
• M17: 9,091,960 km (0.109 R)
• M18: 12,140,615 km (0.061 R)
• M19: 13,083,082 km (0.116 R)
• M20: 14,145,825 km (0.092 R)
• M21: 17,010,923 km (0.075 R)
• M22: 19,062,509 km (0.065 R)
• M23: 20,799,041 km (0.118 R)
• M24: 23,038,820 km (0.105 R)
• M25: 23,240,927 km (0.112 R)
• M26: 23,957,351 km (0.109 R)
• M27: 27,647,631 km (0.072 R)
• M28: 27,761,475 km (0.078 R)
• M29: 29,627,260 km (0.119 R)
• M30: 30,226,848 km (0.103 R)
• M31: 32,074,531 km (0.066 R)
• M32: 41,847,461 km (0.113 R)
• M33: 48,470,608 km (0.082 R)
• M34: 50,313,803 km (0.116 R)
• M35: 55,034,962 km (0.111 R)
• M36: 57,040,023 km (0.053 R)
• M37: 59,661,875 km (0.026 R)
• M38: 61,195,403 km (0.081 R)
• M39: 63,544,837 km (0.048 R)
• M40: 70,526,420 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 12,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit