🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.78 AU

Year: 352 Days

Day: 26.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 13.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.75 AU - 0.93 AU

Year: 505 Days

Day: 12.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,793,273 km

• M1: 173,384 km (0.109 R)
• M2: 845,677 km (0.103 R)
• M3: 1,462,020 km (0.082 R)
• M4: 1,906,774 km (0.1 R)
• M5: 2,479,734 km (0.084 R)
• M6: 2,986,422 km (0.041 R)
• M7: 3,480,544 km (0.108 R)
• M8: 3,978,406 km (0.103 R)
• M9: 4,468,488 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 14.5

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.87 AU - 1.41 AU

Year: 798 Days

Day: 6.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,793,273 km

• M1: 180,265 km (0.08 R)
• M2: 648,208 km (0.087 R)
• M3: 1,129,015 km (0.068 R)
• M4: 1,720,525 km (0.093 R)
• M5: 2,289,595 km (0.077 R)
• M6: 2,883,798 km (0.095 R)
• M7: 3,682,052 km (0.085 R)
• M8: 4,174,379 km (0.106 R)
• M9: 4,658,478 km (0.073 R)
• M10: 5,293,072 km (0.055 R)
• M11: 5,964,168 km (0.097 R)
• M12: 6,848,740 km (0.043 R)
• M13: 7,696,062 km (0.099 R)
• M14: 8,559,541 km (0.081 R)
• M15: 9,430,351 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 14.4

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.14 AU - 1.64 AU

Year: 1075 Days

Day: 14.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 116.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,793,273 km

• M1: 179,069 km (0.117 R)
• M2: 694,733 km (0.116 R)
• M3: 1,388,418 km (0.075 R)
• M4: 2,055,624 km (0.111 R)
• M5: 2,505,764 km (0.12 R)
• M6: 2,965,628 km (0.108 R)
• M7: 4,246,186 km (0.057 R)
• M8: 4,955,280 km (0.087 R)
• M9: 6,072,178 km (0.118 R)
• M10: 6,650,822 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 9.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.17 AU - 1.67 AU

Year: 1110 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,793,273 km

• M1: 132,544 km (0.083 R)
• M2: 446,550 km (0.104 R)
• M3: 794,514 km (0.086 R)
• M4: 1,112,559 km (0.047 R)
• M5: 2,741,381 km (0.112 R)
• M6: 3,788,716 km (0.084 R)
• M7: 4,591,009 km (0.047 R)
• M8: 5,794,674 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.8

Radius: 11.7

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.6 AU - 2 AU

Year: 1584 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,793,273 km

• M1: 147,803 km (0.082 R)
• M2: 828,772 km (0.075 R)
• M3: 1,461,122 km (0.056 R)
• M4: 1,907,822 km (0.075 R)
• M5: 2,900,104 km (0.106 R)
• M6: 3,895,828 km (0.062 R)
• M7: 4,298,545 km (0.042 R)
• M8: 4,885,717 km (0.066 R)
• M9: 5,292,324 km (0.117 R)
• M10: 5,832,522 km (0.106 R)
• M11: 6,504,964 km (0.073 R)
• M12: 6,922,791 km (0.074 R)
• M13: 8,228,780 km (0.103 R)
• M14: 10,704,027 km (0.103 R)
• M15: 11,079,368 km (0.078 R)
• M16: 11,712,765 km (0.115 R)
• M17: 12,111,593 km (0.104 R)
• M18: 12,670,042 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482

Radius: 5.1

Gravity: 18.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.31 AU - 7.85 AU

Year: 13690 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,793,273 km

• M1: 63,729 km (0.099 R)
• M2: 452,683 km (0.101 R)
• M3: 1,481,019 km (0.086 R)
• M4: 2,921,646 km (0.104 R)
• M5: 4,008,924 km (0.085 R)
• M6: 4,266,830 km (0.102 R)
• M7: 4,815,855 km (0.027 R)
• M8: 5,444,914 km (0.059 R)
• M9: 5,725,709 km (0.073 R)
• M10: 6,986,819 km (0.093 R)
• M11: 8,990,234 km (0.094 R)
• M12: 9,432,445 km (0.074 R)
• M13: 12,455,220 km (0.067 R)
• M14: 14,816,921 km (0.078 R)
• M15: 19,987,921 km (0.082 R)
• M16: 25,850,512 km (0.038 R)
• M17: 28,380,212 km (0.052 R)
• M18: 29,223,346 km (0.118 R)
• M19: 31,965,624 km (0.034 R)
• M20: 39,107,427 km (0.09 R)
• M21: 42,157,129 km (0.098 R)
• M22: 43,809,437 km (0.061 R)
• M23: 45,935,073 km (0.092 R)
• M24: 48,874,672 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.3

Radius: 4.5

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.63 AU - 10.13 AU

Year: 17359 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,793,273 km

• M1: 56,698 km (0.115 R)
• M2: 387,907 km (0.03 R)
• M3: 540,497 km (0.106 R)
• M4: 2,012,839 km (0.094 R)
• M5: 2,363,946 km (0.109 R)
• M6: 2,886,641 km (0.101 R)
• M7: 3,878,026 km (0.059 R)
• M8: 5,242,807 km (0.106 R)
• M9: 8,545,479 km (0.102 R)
• M10: 9,914,449 km (0.083 R)
• M11: 11,707,829 km (0.034 R)
• M12: 12,530,018 km (0.064 R)
• M13: 12,893,990 km (0.075 R)
• M14: 15,226,819 km (0.062 R)
• M15: 16,276,697 km (0.083 R)
• M16: 25,587,220 km (0.084 R)
• M17: 29,234,266 km (0.101 R)
• M18: 35,331,277 km (0.096 R)
• M19: 37,164,001 km (0.109 R)
• M20: 38,930,751 km (0.111 R)
• M21: 42,223,550 km (0.119 R)
• M22: 49,808,461 km (0.053 R)
• M23: 50,873,449 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.7

Radius: 5.5

Gravity: 28.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9 AU - 9.38 AU

Year: 18276 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,793,273 km

• M1: 68,516 km (0.067 R)
• M2: 259,702 km (0.039 R)
• M3: 907,311 km (0.118 R)
• M4: 1,253,929 km (0.112 R)
• M5: 1,514,828 km (0.05 R)
• M6: 1,886,728 km (0.101 R)
• M7: 3,487,276 km (0.114 R)
• M8: 4,503,943 km (0.109 R)
• M9: 4,786,234 km (0.094 R)
• M10: 8,293,556 km (0.098 R)
• M11: 9,101,086 km (0.041 R)
• M12: 10,871,576 km (0.092 R)
• M13: 13,284,141 km (0.087 R)
• M14: 13,718,125 km (0.09 R)
• M15: 15,390,928 km (0.118 R)
• M16: 16,523,384 km (0.113 R)
• M17: 19,875,872 km (0.104 R)
• M18: 21,810,023 km (0.111 R)
• M19: 26,613,910 km (0.094 R)
• M20: 32,727,526 km (0.04 R)
• M21: 34,322,539 km (0.117 R)
• M22: 34,593,460 km (0.03 R)
• M23: 38,535,514 km (0.084 R)
• M24: 38,974,883 km (0.113 R)
• M25: 46,963,858 km (0.086 R)
• M26: 48,478,237 km (0.03 R)
• M27: 61,185,828 km (0.077 R)
• M28: 65,245,466 km (0.074 R)
• M29: 71,445,549 km (0.11 R)
• M30: 74,347,898 km (0.085 R)
• M31: 76,864,284 km (0.085 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 13,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit