🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.5 AU - 0.72 AU

Year: 308 Days

Day: 41.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 11.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.65 AU - 0.79 AU

Year: 394 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,113,595 km

• M1: 141,968 km (0.061 R)
• M2: 576,550 km (0.116 R)
• M3: 1,027,887 km (0.09 R)
• M4: 1,532,181 km (0.07 R)
• M5: 2,520,874 km (0.103 R)
• M6: 3,126,895 km (0.057 R)
• M7: 3,712,421 km (0.081 R)
• M8: 5,541,853 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.8

Radius: 12.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.01 AU - 1.33 AU

Year: 817 Days

Day: 14 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,113,595 km

• M1: 157,975 km (0.113 R)
• M2: 938,278 km (0.113 R)
• M3: 1,464,713 km (0.097 R)
• M4: 2,328,192 km (0.081 R)
• M5: 4,370,352 km (0.088 R)
• M6: 5,065,833 km (0.114 R)
• M7: 6,538,624 km (0.117 R)
• M8: 7,193,414 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.3

Radius: 10.4

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.39 AU - 1.47 AU

Year: 1104 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,113,595 km

• M1: 134,488 km (0.089 R)
• M2: 774,917 km (0.055 R)
• M3: 1,177,934 km (0.095 R)
• M4: 1,836,912 km (0.093 R)
• M5: 2,486,616 km (0.094 R)
• M6: 2,818,573 km (0.09 R)
• M7: 3,327,805 km (0.104 R)
• M8: 3,732,916 km (0.052 R)
• M9: 4,101,525 km (0.105 R)
• M10: 4,643,219 km (0.102 R)
• M11: 5,502,509 km (0.1 R)
• M12: 6,998,188 km (0.089 R)
• M13: 7,327,154 km (0.096 R)
• M14: 7,719,699 km (0.072 R)
• M15: 10,055,969 km (0.1 R)
• M16: 10,739,930 km (0.092 R)
• M17: 11,419,853 km (0.084 R)
• M18: 12,128,348 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.6

Radius: 13.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.76 AU - 1.98 AU

Year: 1651 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,113,595 km

• M1: 168,148 km (0.036 R)
• M2: 621,729 km (0.088 R)
• M3: 1,226,403 km (0.101 R)
• M4: 1,666,520 km (0.111 R)
• M5: 2,395,660 km (0.081 R)
• M6: 3,141,854 km (0.093 R)
• M7: 3,601,419 km (0.113 R)
• M8: 4,296,451 km (0.072 R)
• M9: 4,846,373 km (0.1 R)
• M10: 5,279,309 km (0.027 R)
• M11: 6,178,392 km (0.113 R)
• M12: 7,102,458 km (0.109 R)
• M13: 7,954,568 km (0.1 R)
• M14: 8,844,825 km (0.066 R)
• M15: 9,344,182 km (0.051 R)
• M16: 11,361,659 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.8

Radius: 6.7

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.92 AU - 9.82 AU

Year: 14255 Days

Day: 24.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,113,595 km

• M1: 83,476 km (0.039 R)
• M2: 416,630 km (0.112 R)
• M3: 804,238 km (0.052 R)
• M4: 1,096,104 km (0.12 R)
• M5: 1,413,849 km (0.09 R)
• M6: 3,011,405 km (0.048 R)
• M7: 3,447,333 km (0.11 R)
• M8: 3,808,463 km (0.051 R)
• M9: 5,044,889 km (0.113 R)
• M10: 5,400,932 km (0.036 R)
• M11: 6,487,312 km (0.082 R)
• M12: 7,081,963 km (0.108 R)
• M13: 8,727,241 km (0.089 R)
• M14: 10,103,691 km (0.113 R)
• M15: 10,727,364 km (0.112 R)
• M16: 11,137,561 km (0.09 R)
• M17: 11,802,973 km (0.105 R)
• M18: 14,447,564 km (0.095 R)
• M19: 14,731,950 km (0.118 R)
• M20: 17,064,629 km (0.088 R)
• M21: 17,382,525 km (0.064 R)
• M22: 17,948,304 km (0.093 R)
• M23: 18,277,120 km (0.116 R)
• M24: 22,925,275 km (0.088 R)
• M25: 23,802,368 km (0.093 R)
• M26: 26,250,686 km (0.084 R)
• M27: 33,839,637 km (0.071 R)
• M28: 34,467,798 km (0.046 R)
• M29: 39,637,302 km (0.052 R)
• M30: 42,043,883 km (0.119 R)
• M31: 46,525,387 km (0.064 R)
• M32: 47,772,135 km (0.105 R)
• M33: 60,561,856 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.3

Radius: 4.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.19 AU - 9.65 AU

Year: 14391 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,113,595 km

• M1: 71,657 km (0.052 R)
• M2: 227,538 km (0.074 R)
• M3: 462,856 km (0.108 R)
• M4: 853,456 km (0.118 R)
• M5: 1,391,111 km (0.065 R)
• M6: 2,176,649 km (0.067 R)
• M7: 3,843,169 km (0.064 R)
• M8: 4,409,846 km (0.115 R)
• M9: 4,808,225 km (0.11 R)
• M10: 9,366,323 km (0.116 R)
• M11: 9,801,204 km (0.107 R)
• M12: 10,664,234 km (0.074 R)
• M13: 11,626,298 km (0.1 R)
• M14: 13,666,065 km (0.056 R)
• M15: 14,974,747 km (0.105 R)
• M16: 18,777,226 km (0.105 R)
• M17: 20,607,855 km (0.082 R)
• M18: 20,973,023 km (0.065 R)
• M19: 25,030,566 km (0.078 R)
• M20: 25,782,146 km (0.109 R)
• M21: 29,397,178 km (0.105 R)
• M22: 29,953,084 km (0.067 R)
• M23: 30,139,932 km (0.099 R)
• M24: 32,344,705 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.9

Radius: 6.7

Gravity: 21.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.03 AU - 10.69 AU

Year: 17028 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,113,595 km

• M1: 85,869 km (0.039 R)
• M2: 655,837 km (0.094 R)
• M3: 892,950 km (0.107 R)
• M4: 1,389,016 km (0.073 R)
• M5: 2,459,688 km (0.091 R)
• M6: 2,967,423 km (0.083 R)
• M7: 4,060,685 km (0.112 R)
• M8: 5,361,887 km (0.074 R)
• M9: 5,837,758 km (0.058 R)
• M10: 6,873,873 km (0.089 R)
• M11: 7,629,491 km (0.102 R)
• M12: 8,231,623 km (0.074 R)
• M13: 10,168,766 km (0.099 R)
• M14: 10,650,920 km (0.062 R)
• M15: 12,323,424 km (0.112 R)
• M16: 13,723,660 km (0.099 R)
• M17: 15,777,938 km (0.095 R)
• M18: 17,854,955 km (0.03 R)
• M19: 18,556,419 km (0.117 R)
• M20: 20,485,035 km (0.069 R)
• M21: 21,059,640 km (0.107 R)
• M22: 21,743,602 km (0.115 R)
• M23: 27,066,144 km (0.113 R)
• M24: 29,660,321 km (0.078 R)
• M25: 31,394,908 km (0.057 R)
• M26: 35,611,474 km (0.119 R)
• M27: 36,581,616 km (0.093 R)
• M28: 42,003,941 km (0.048 R)
• M29: 43,086,730 km (0.087 R)
• M30: 49,291,152 km (0.109 R)
• M31: 49,805,021 km (0.078 R)
• M32: 53,142,100 km (0.118 R)
• M33: 62,031,355 km (0.066 R)
• M34: 72,743,311 km (0.081 R)
• M35: 74,079,220 km (0.118 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: 341 - 19,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit