🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.58 AU - 0.72 AU

Year: 333 Days

Day: 42.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.3

Radius: 9.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.52 AU - 2.08 AU

Year: 1535 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,449,964 km

• M1: 123,119 km (0.082 R)
• M2: 455,226 km (0.079 R)
• M3: 815,757 km (0.108 R)
• M4: 1,145,920 km (0.031 R)
• M5: 1,880,296 km (0.081 R)
• M6: 2,675,109 km (0.064 R)
• M7: 3,156,665 km (0.117 R)
• M8: 3,567,012 km (0.091 R)
• M9: 4,799,698 km (0.113 R)
• M10: 5,158,135 km (0.114 R)
• M11: 5,620,691 km (0.096 R)
• M12: 7,646,695 km (0.072 R)
• M13: 8,619,680 km (0.112 R)
• M14: 9,181,270 km (0.096 R)
• M15: 9,830,226 km (0.103 R)
• M16: 10,312,230 km (0.064 R)
• M17: 10,810,092 km (0.081 R)
• M18: 11,817,783 km (0.106 R)
• M19: 12,511,319 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.5

Radius: 13.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.45 AU - 2.91 AU

Year: 2790 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,449,964 km

• M1: 170,691 km (0.119 R)
• M2: 706,700 km (0.088 R)
• M3: 1,241,662 km (0.032 R)
• M4: 2,160,343 km (0.054 R)
• M5: 3,267,666 km (0.105 R)
• M6: 4,044,977 km (0.099 R)
• M7: 5,558,458 km (0.108 R)
• M8: 6,290,441 km (0.054 R)
• M9: 6,851,882 km (0.085 R)
• M10: 7,744,383 km (0.064 R)
• M11: 8,849,761 km (0.086 R)
• M12: 9,527,290 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 9.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.61 AU - 2.91 AU

Year: 2915 Days

Day: 9.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,449,964 km

• M1: 122,221 km (0.086 R)
• M2: 457,620 km (0.089 R)
• M3: 778,358 km (0.057 R)
• M4: 1,239,119 km (0.109 R)
• M5: 1,553,125 km (0.113 R)
• M6: 1,898,247 km (0.112 R)
• M7: 2,479,435 km (0.116 R)
• M8: 2,849,391 km (0.104 R)
• M9: 3,372,086 km (0.1 R)
• M10: 4,735,221 km (0.068 R)
• M11: 5,446,709 km (0.081 R)
• M12: 5,828,333 km (0.106 R)
• M13: 6,698,843 km (0.053 R)
• M14: 7,421,102 km (0.12 R)
• M15: 8,163,855 km (0.071 R)
• M16: 9,762,159 km (0.098 R)
• M17: 10,112,367 km (0.12 R)
• M18: 11,520,532 km (0.049 R)
• M19: 13,437,629 km (0.097 R)
• M20: 15,700,895 km (0.12 R)
• M21: 16,623,914 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 10.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.36 AU - 3.4 AU

Year: 3108 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,449,964 km

• M1: 126,859 km (0.088 R)
• M2: 482,453 km (0.075 R)
• M3: 942,766 km (0.069 R)
• M4: 1,398,142 km (0.119 R)
• M5: 2,092,874 km (0.092 R)
• M6: 2,835,328 km (0.074 R)
• M7: 3,444,641 km (0.057 R)
• M8: 3,780,937 km (0.073 R)
• M9: 4,794,163 km (0.098 R)
• M10: 5,237,721 km (0.063 R)
• M11: 6,258,726 km (0.057 R)
• M12: 7,065,807 km (0.116 R)
• M13: 7,494,554 km (0.118 R)
• M14: 8,820,889 km (0.118 R)
• M15: 9,869,869 km (0.093 R)
• M16: 11,343,857 km (0.073 R)
• M17: 11,932,674 km (0.099 R)
• M18: 12,707,741 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.3

Radius: 11.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.45 AU - 3.37 AU

Year: 3156 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 98.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,449,964 km

• M1: 144,212 km (0.051 R)
• M2: 531,820 km (0.105 R)
• M3: 1,168,808 km (0.087 R)
• M4: 1,762,413 km (0.114 R)
• M5: 2,190,412 km (0.082 R)
• M6: 3,292,649 km (0.103 R)
• M7: 3,697,611 km (0.095 R)
• M8: 5,074,210 km (0.064 R)
• M9: 5,782,855 km (0.089 R)
• M10: 6,198,887 km (0.095 R)
• M11: 7,771,310 km (0.052 R)
• M12: 10,074,818 km (0.045 R)
• M13: 12,556,497 km (0.07 R)

Asteroid Belt

Center: 3.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.3

Radius: 8.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.55 AU - 3.65 AU

Year: 4343 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,449,964 km

• M1: 108,159 km (0.077 R)
• M2: 393,442 km (0.059 R)
• M3: 717,771 km (0.086 R)
• M4: 1,098,796 km (0.087 R)
• M5: 1,370,915 km (0.077 R)
• M6: 2,132,817 km (0.09 R)
• M7: 3,220,992 km (0.092 R)
• M8: 3,543,375 km (0.052 R)
• M9: 5,078,848 km (0.032 R)
• M10: 5,668,712 km (0.114 R)
• M11: 7,374,427 km (0.115 R)
• M12: 7,683,496 km (0.119 R)
• M13: 7,969,228 km (0.1 R)
• M14: 9,077,748 km (0.106 R)
• M15: 9,505,449 km (0.067 R)
• M16: 9,871,963 km (0.073 R)
• M17: 10,247,903 km (0.074 R)
• M18: 12,273,159 km (0.117 R)
• M19: 13,379,734 km (0.1 R)
• M20: 14,169,312 km (0.077 R)
• M21: 15,386,440 km (0.053 R)
• M22: 17,916,290 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 12.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.68 AU - 6.46 AU

Year: 9509 Days

Day: 11.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,449,964 km

• M1: 156,928 km (0.102 R)
• M2: 607,667 km (0.103 R)
• M3: 1,055,413 km (0.051 R)
• M4: 1,829,432 km (0.054 R)
• M5: 3,524,975 km (0.092 R)
• M6: 4,033,907 km (0.102 R)
• M7: 5,607,676 km (0.118 R)
• M8: 7,975,960 km (0.077 R)
• M9: 8,819,842 km (0.1 R)
• M10: 10,385,533 km (0.11 R)
• M11: 12,035,448 km (0.11 R)
• M12: 13,095,798 km (0.098 R)
• M13: 14,269,991 km (0.118 R)
• M14: 22,260,462 km (0.105 R)
• M15: 26,074,161 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.5

Radius: 6.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.8 AU - 10.74 AU

Year: 19417 Days

Day: 24.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,449,964 km

• M1: 81,680 km (0.066 R)
• M2: 468,092 km (0.103 R)
• M3: 903,422 km (0.098 R)
• M4: 1,645,128 km (0.043 R)
• M5: 2,289,296 km (0.067 R)
• M6: 3,089,196 km (0.044 R)
• M7: 3,939,211 km (0.112 R)
• M8: 5,021,103 km (0.079 R)
• M9: 6,490,004 km (0.11 R)
• M10: 8,629,404 km (0.114 R)
• M11: 8,878,933 km (0.06 R)
• M12: 19,296,031 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 12,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit