🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.12 AU - 1.14 AU

Year: 430 Days

Day: 23.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 3.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.86 AU - 4.36 AU

Year: 2984 Days

Day: 15.9 Hours

Environment

Temp: -112 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,867,172 km

• M1: 390,002 km (0.12 R)

Asteroid Belt

Center: 5.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 10

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.59 AU - 9.23 AU

Year: 7224 Days

Day: 7.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,867,172 km

• M1: 124,465 km (0.085 R)
• M2: 513,869 km (0.057 R)
• M3: 912,996 km (0.059 R)
• M4: 1,558,511 km (0.116 R)
• M5: 1,968,259 km (0.12 R)
• M6: 3,048,805 km (0.105 R)
• M7: 3,672,029 km (0.088 R)
• M8: 4,351,204 km (0.079 R)
• M9: 4,679,122 km (0.087 R)
• M10: 5,666,917 km (0.101 R)
• M11: 6,468,762 km (0.086 R)
• M12: 7,614,083 km (0.118 R)
• M13: 9,374,850 km (0.11 R)
• M14: 10,987,216 km (0.111 R)
• M15: 11,340,865 km (0.106 R)
• M16: 11,702,144 km (0.109 R)
• M17: 12,285,276 km (0.098 R)
• M18: 16,461,002 km (0.119 R)
• M19: 19,155,708 km (0.043 R)
• M20: 20,115,678 km (0.119 R)
• M21: 22,696,391 km (0.043 R)
• M22: 24,879,323 km (0.108 R)
• M23: 33,409,543 km (0.103 R)
• M24: 33,833,054 km (0.095 R)
• M25: 34,260,156 km (0.091 R)
• M26: 35,453,499 km (0.081 R)
• M27: 37,351,596 km (0.106 R)
• M28: 39,081,995 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 8.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.29 AU - 8.09 AU

Year: 7638 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 51.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,867,172 km

• M1: 112,797 km (0.099 R)
• M2: 418,575 km (0.112 R)
• M3: 850,913 km (0.096 R)
• M4: 2,381,299 km (0.049 R)
• M5: 2,717,894 km (0.041 R)
• M6: 3,597,978 km (0.1 R)
• M7: 4,546,578 km (0.111 R)
• M8: 6,700,339 km (0.039 R)
• M9: 7,076,578 km (0.092 R)
• M10: 7,871,541 km (0.053 R)
• M11: 10,653,014 km (0.094 R)
• M12: 13,797,860 km (0.042 R)
• M13: 19,192,659 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 12.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.91 AU - 9.97 AU

Year: 8782 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,867,172 km

• M1: 158,723 km (0.088 R)
• M2: 636,539 km (0.051 R)
• M3: 1,408,165 km (0.083 R)
• M4: 2,549,447 km (0.086 R)
• M5: 4,790,423 km (0.073 R)
• M6: 5,748,298 km (0.074 R)
• M7: 6,178,242 km (0.098 R)
• M8: 6,796,231 km (0.112 R)
• M9: 7,419,456 km (0.035 R)
• M10: 8,194,223 km (0.079 R)
• M11: 8,660,819 km (0.102 R)
• M12: 9,145,217 km (0.104 R)
• M13: 16,276,099 km (0.067 R)
• M14: 18,961,081 km (0.11 R)
• M15: 21,633,647 km (0.089 R)
• M16: 23,445,577 km (0.095 R)
• M17: 24,150,482 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.2

Radius: 13.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.65 AU - 9.07 AU

Year: 9445 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,867,172 km

• M1: 167,998 km (0.109 R)
• M2: 599,289 km (0.058 R)
• M3: 1,070,223 km (0.073 R)
• M4: 1,561,054 km (0.081 R)
• M5: 2,131,919 km (0.082 R)
• M6: 2,911,025 km (0.059 R)
• M7: 3,476,804 km (0.064 R)
• M8: 5,193,739 km (0.107 R)
• M9: 6,796,680 km (0.038 R)
• M10: 7,625,751 km (0.071 R)
• M11: 9,013,870 km (0.049 R)
• M12: 9,445,610 km (0.12 R)
• M13: 10,182,080 km (0.078 R)
• M14: 11,539,980 km (0.094 R)
• M15: 15,100,559 km (0.099 R)
• M16: 15,542,920 km (0.078 R)
• M17: 19,142,693 km (0.108 R)
• M18: 21,342,829 km (0.115 R)
• M19: 23,706,924 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.8

Radius: 7.6

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 13.92 AU - 15.96 AU

Year: 20682 Days

Day: 21.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 102.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,867,172 km

• M1: 96,790 km (0.079 R)
• M2: 500,704 km (0.109 R)
• M3: 962,961 km (0.073 R)
• M4: 1,386,473 km (0.109 R)
• M5: 1,650,663 km (0.062 R)
• M6: 2,282,564 km (0.077 R)
• M7: 2,778,631 km (0.047 R)
• M8: 4,316,796 km (0.086 R)
• M9: 4,776,361 km (0.064 R)
• M10: 5,426,064 km (0.073 R)
• M11: 8,090,253 km (0.087 R)
• M12: 8,354,443 km (0.092 R)
• M13: 8,679,070 km (0.071 R)
• M14: 9,238,716 km (0.098 R)
• M15: 9,585,932 km (0.113 R)
• M16: 10,806,651 km (0.075 R)
• M17: 11,062,613 km (0.106 R)
• M18: 12,404,356 km (0.055 R)
• M19: 13,701,519 km (0.086 R)
• M20: 16,310,805 km (0.094 R)
• M21: 17,511,478 km (0.109 R)
• M22: 18,404,577 km (0.051 R)
• M23: 19,233,948 km (0.058 R)
• M24: 32,925,594 km (0.063 R)
• M25: 47,031,327 km (0.064 R)
• M26: 54,918,725 km (0.118 R)
• M27: 56,633,864 km (0.064 R)
• M28: 59,173,887 km (0.099 R)
• M29: 59,770,632 km (0.071 R)
• M30: 60,371,418 km (0.114 R)
• M31: 66,387,945 km (0.073 R)
• M32: 66,816,991 km (0.117 R)
• M33: 70,539,136 km (0.064 R)
• M34: 72,792,080 km (0.108 R)
• M35: 73,706,422 km (0.09 R)
• M36: 75,791,816 km (0.116 R)
• M37: 76,260,507 km (0.119 R)
• M38: 77,203,871 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.7

Radius: 5.6

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 14.65 AU - 20.53 AU

Year: 26422 Days

Day: 21.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,867,172 km

• M1: 69,713 km (0.119 R)
• M2: 296,204 km (0.073 R)
• M3: 473,328 km (0.06 R)
• M4: 932,444 km (0.063 R)
• M5: 2,568,595 km (0.112 R)
• M6: 3,523,030 km (0.063 R)
• M7: 3,817,139 km (0.087 R)
• M8: 4,659,076 km (0.091 R)
• M9: 5,817,263 km (0.113 R)
• M10: 9,669,558 km (0.05 R)
• M11: 11,660,406 km (0.066 R)
• M12: 12,247,578 km (0.049 R)
• M13: 13,693,591 km (0.113 R)
• M14: 16,838,288 km (0.108 R)
• M15: 18,099,697 km (0.111 R)
• M16: 20,620,421 km (0.037 R)
• M17: 22,558,013 km (0.091 R)
• M18: 22,959,533 km (0.106 R)
• M19: 24,088,399 km (0.112 R)
• M20: 26,124,725 km (0.098 R)
• M21: 28,857,130 km (0.068 R)
• M22: 33,824,827 km (0.101 R)
• M23: 35,016,074 km (0.053 R)
• M24: 41,095,433 km (0.04 R)
• M25: 41,544,077 km (0.108 R)
• M26: 42,451,089 km (0.091 R)
• M27: 43,063,093 km (0.102 R)
• M28: 55,108,864 km (0.105 R)
• M29: 67,542,691 km (0.114 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 13,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit