🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.5 AU - 0.6 AU

Year: 268 Days

Day: 29 Hours

Environment

Temp: -113 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.48 AU - 0.68 AU

Year: 290 Days

Day: 22.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.7

Radius: 9.7

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.71 AU - 0.83 AU

Year: 443 Days

Day: 11.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,735,661 km

• M1: 120,576 km (0.114 R)
• M2: 447,746 km (0.111 R)
• M3: 753,375 km (0.08 R)
• M4: 1,206,956 km (0.055 R)
• M5: 1,960,630 km (0.08 R)
• M6: 2,288,847 km (0.052 R)
• M7: 2,780,576 km (0.082 R)
• M8: 3,103,857 km (0.067 R)
• M9: 3,415,170 km (0.096 R)
• M10: 3,921,559 km (0.116 R)
• M11: 4,243,194 km (0.104 R)
• M12: 4,673,886 km (0.092 R)
• M13: 5,084,682 km (0.086 R)
• M14: 5,502,359 km (0.082 R)
• M15: 5,817,113 km (0.075 R)
• M16: 6,236,885 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 9.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.7 AU - 1.16 AU

Year: 588 Days

Day: 8.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,735,661 km

• M1: 116,836 km (0.072 R)
• M2: 483,351 km (0.103 R)
• M3: 785,688 km (0.111 R)
• M4: 1,165,816 km (0.113 R)
• M5: 1,837,959 km (0.112 R)
• M6: 2,999,138 km (0.067 R)
• M7: 3,889,245 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 11.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.4 AU - 1.84 AU

Year: 1353 Days

Day: 14.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,735,661 km

• M1: 143,165 km (0.087 R)
• M2: 718,070 km (0.092 R)
• M3: 1,177,634 km (0.103 R)
• M4: 1,553,424 km (0.115 R)
• M5: 1,934,600 km (0.085 R)
• M6: 2,591,634 km (0.068 R)
• M7: 3,323,167 km (0.08 R)
• M8: 3,919,913 km (0.071 R)
• M9: 4,334,449 km (0.061 R)
• M10: 5,540,058 km (0.031 R)
• M11: 6,821,364 km (0.076 R)
• M12: 7,328,949 km (0.088 R)
• M13: 7,911,334 km (0.065 R)
• M14: 8,445,997 km (0.062 R)
• M15: 8,815,653 km (0.082 R)
• M16: 9,251,581 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 9.1

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.06 AU - 2.34 AU

Year: 2141 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,735,661 km

• M1: 113,246 km (0.106 R)
• M2: 418,425 km (0.082 R)
• M3: 786,885 km (0.08 R)
• M4: 1,107,473 km (0.08 R)
• M5: 1,976,038 km (0.071 R)
• M6: 2,526,558 km (0.11 R)
• M7: 2,932,118 km (0.038 R)
• M8: 3,260,186 km (0.093 R)
• M9: 3,612,789 km (0.062 R)
• M10: 4,416,129 km (0.047 R)
• M11: 4,826,626 km (0.083 R)
• M12: 5,551,278 km (0.109 R)
• M13: 8,067,215 km (0.028 R)
• M14: 8,615,940 km (0.109 R)
• M15: 10,677,099 km (0.108 R)
• M16: 11,378,564 km (0.12 R)
• M17: 13,399,332 km (0.062 R)
• M18: 13,985,456 km (0.102 R)
• M19: 14,777,577 km (0.12 R)
• M20: 15,996,201 km (0.1 R)
• M21: 16,810,612 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 14.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.26 AU - 3.1 AU

Year: 2878 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,735,661 km

• M1: 177,872 km (0.076 R)
• M2: 716,873 km (0.061 R)
• M3: 1,232,537 km (0.115 R)
• M4: 1,690,905 km (0.055 R)
• M5: 2,354,670 km (0.115 R)
• M6: 2,850,887 km (0.059 R)
• M7: 3,367,448 km (0.099 R)
• M8: 4,173,481 km (0.118 R)
• M9: 5,016,914 km (0.105 R)
• M10: 6,247,057 km (0.104 R)
• M11: 6,717,094 km (0.112 R)
• M12: 7,699,354 km (0.119 R)
• M13: 8,209,931 km (0.103 R)
• M14: 9,603,435 km (0.05 R)
• M15: 10,054,473 km (0.099 R)
• M16: 10,519,573 km (0.054 R)
• M17: 11,962,444 km (0.106 R)
• M18: 16,094,487 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 14.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.1 AU - 3.48 AU

Year: 3057 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,735,661 km

• M1: 181,612 km (0.079 R)
• M2: 858,841 km (0.091 R)
• M3: 1,585,588 km (0.087 R)
• M4: 2,430,517 km (0.106 R)
• M5: 3,120,312 km (0.082 R)
• M6: 4,343,724 km (0.072 R)
• M7: 6,750,903 km (0.113 R)
• M8: 8,224,891 km (0.039 R)
• M9: 10,060,457 km (0.088 R)
• M10: 10,661,092 km (0.119 R)
• M11: 11,802,524 km (0.089 R)
• M12: 12,838,040 km (0.078 R)
• M13: 13,689,851 km (0.044 R)
• M14: 14,428,415 km (0.112 R)
• M15: 15,984,981 km (0.076 R)
• M16: 17,195,976 km (0.114 R)
• M17: 17,997,821 km (0.069 R)
• M18: 18,526,350 km (0.077 R)
• M19: 19,491,705 km (0.043 R)
• M20: 20,873,540 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 10.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.29 AU - 3.33 AU

Year: 3950 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,735,661 km

• M1: 129,402 km (0.049 R)
• M2: 1,426,416 km (0.117 R)
• M3: 2,024,059 km (0.11 R)
• M4: 2,972,360 km (0.11 R)
• M5: 3,481,142 km (0.105 R)
• M6: 7,844,464 km (0.069 R)
• M7: 9,011,776 km (0.103 R)
• M8: 9,842,194 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.6

Radius: 6.2

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.04 AU - 9.92 AU

Year: 16200 Days

Day: 18.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,735,661 km

• M1: 77,193 km (0.099 R)
• M2: 312,510 km (0.117 R)
• M3: 990,787 km (0.061 R)
• M4: 1,629,270 km (0.074 R)
• M5: 2,317,570 km (0.034 R)
• M6: 3,231,464 km (0.048 R)
• M7: 5,500,564 km (0.115 R)
• M8: 6,063,650 km (0.043 R)
• M9: 6,625,690 km (0.076 R)
• M10: 8,071,553 km (0.057 R)
• M11: 10,857,065 km (0.107 R)
• M12: 12,259,097 km (0.094 R)
• M13: 15,146,784 km (0.084 R)
• M14: 17,850,467 km (0.118 R)
• M15: 19,714,456 km (0.075 R)
• M16: 23,192,457 km (0.056 R)
• M17: 28,266,518 km (0.087 R)
• M18: 28,987,430 km (0.11 R)
• M19: 36,398,957 km (0.098 R)
• M20: 36,884,851 km (0.116 R)
• M21: 44,563,261 km (0.078 R)
• M22: 47,389,913 km (0.071 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: 408 - 14,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit