🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.44 AU - 0.56 AU

Year: 228 Days

Day: 19.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 4.9 °

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: 482.1

Radius: 9

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.67 AU - 1.01 AU

Year: 497 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,794,408 km

• M1: 111,899 km (0.081 R)
• M2: 439,519 km (0.097 R)
• M3: 793,318 km (0.117 R)
• M4: 1,692,999 km (0.114 R)
• M5: 2,328,940 km (0.088 R)
• M6: 3,262,730 km (0.079 R)
• M7: 4,470,433 km (0.068 R)
• M8: 4,821,539 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 12.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.74 AU - 2.04 AU

Year: 1678 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,794,408 km

• M1: 155,432 km (0.1 R)
• M2: 675,883 km (0.095 R)
• M3: 1,089,072 km (0.082 R)
• M4: 1,573,171 km (0.106 R)
• M5: 2,334,325 km (0.115 R)
• M6: 3,241,636 km (0.082 R)
• M7: 3,833,146 km (0.035 R)
• M8: 4,406,555 km (0.055 R)
• M9: 5,095,303 km (0.108 R)
• M10: 5,642,084 km (0.094 R)
• M11: 6,854,126 km (0.082 R)
• M12: 7,624,405 km (0.049 R)
• M13: 9,337,749 km (0.07 R)
• M14: 9,941,526 km (0.115 R)
• M15: 11,061,117 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 10.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.58 AU - 4 AU

Year: 3853 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,794,408 km

• M1: 138,528 km (0.088 R)
• M2: 598,691 km (0.108 R)
• M3: 1,145,920 km (0.051 R)
• M4: 1,804,001 km (0.102 R)
• M5: 2,133,565 km (0.109 R)
• M6: 2,636,662 km (0.074 R)
• M7: 3,539,186 km (0.099 R)
• M8: 4,581,734 km (0.119 R)
• M9: 5,145,120 km (0.069 R)
• M10: 6,098,357 km (0.117 R)
• M11: 6,780,823 km (0.068 R)
• M12: 8,710,635 km (0.084 R)
• M13: 9,369,614 km (0.064 R)
• M14: 9,756,474 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 11.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.51 AU - 4.09 AU

Year: 3871 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,794,408 km

• M1: 138,079 km (0.084 R)
• M2: 527,183 km (0.077 R)
• M3: 1,080,246 km (0.117 R)
• M4: 1,707,360 km (0.111 R)
• M5: 2,763,970 km (0.062 R)
• M6: 3,308,207 km (0.091 R)
• M7: 5,938,736 km (0.078 R)
• M8: 6,597,116 km (0.086 R)
• M9: 7,370,238 km (0.055 R)
• M10: 8,238,504 km (0.099 R)
• M11: 8,904,963 km (0.097 R)
• M12: 9,647,118 km (0.029 R)
• M13: 10,178,340 km (0.117 R)
• M14: 11,433,915 km (0.119 R)
• M15: 11,889,889 km (0.101 R)
• M16: 14,094,214 km (0.092 R)
• M17: 15,210,962 km (0.08 R)
• M18: 17,559,798 km (0.092 R)
• M19: 21,281,494 km (0.049 R)
• M20: 22,042,349 km (0.105 R)
• M21: 25,114,939 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.9

Radius: 6.1

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.19 AU - 9.75 AU

Year: 14528 Days

Day: 19.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,794,408 km

• M1: 76,145 km (0.063 R)
• M2: 456,423 km (0.09 R)
• M3: 743,501 km (0.078 R)
• M4: 1,881,343 km (0.068 R)
• M5: 2,694,108 km (0.113 R)
• M6: 3,003,626 km (0.083 R)
• M7: 3,263,178 km (0.098 R)
• M8: 7,403,299 km (0.106 R)
• M9: 7,790,459 km (0.067 R)
• M10: 15,263,321 km (0.042 R)
• M11: 16,899,323 km (0.079 R)
• M12: 23,959,894 km (0.068 R)
• M13: 28,079,520 km (0.102 R)
• M14: 32,419,654 km (0.119 R)
• M15: 35,468,309 km (0.08 R)
• M16: 38,447,251 km (0.105 R)
• M17: 40,391,275 km (0.06 R)
• M18: 45,607,903 km (0.104 R)
• M19: 47,637,647 km (0.057 R)
• M20: 50,182,456 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.8

Radius: 7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.58 AU - 11.74 AU

Year: 20910 Days

Day: 23.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,794,408 km

• M1: 90,507 km (0.069 R)
• M2: 375,341 km (0.112 R)
• M3: 950,844 km (0.057 R)
• M4: 2,028,248 km (0.104 R)
• M5: 3,805,471 km (0.119 R)
• M6: 4,577,844 km (0.089 R)
• M7: 4,857,293 km (0.075 R)
• M8: 5,543,499 km (0.047 R)
• M9: 7,950,080 km (0.028 R)
• M10: 13,526,041 km (0.111 R)
• M11: 14,397,149 km (0.063 R)
• M12: 16,315,144 km (0.064 R)
• M13: 19,320,864 km (0.115 R)
• M14: 22,197,781 km (0.081 R)
• M15: 27,484,121 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 11,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit