🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.96 AU - 1.36 AU

Year: 456 Days

Day: 31.8 Hours

Environment

Temp: 8 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,068,499 km

• M1: 194,028 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.58 AU - 2.72 AU

Year: 1576 Days

Day: 17.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,068,499 km

• M1: 174,730 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.21 AU - 3.41 AU

Year: 1720 Days

Day: 20.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,068,499 km

• M1: 1,808,937 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.81 AU - 4.35 AU

Year: 2474 Days

Day: 33.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 10.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.77 AU - 8.31 AU

Year: 8327 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,068,499 km

• M1: 134,339 km (0.112 R)
• M2: 471,383 km (0.112 R)
• M3: 1,046,138 km (0.101 R)
• M4: 1,672,803 km (0.109 R)
• M5: 2,214,198 km (0.113 R)
• M6: 2,589,390 km (0.089 R)
• M7: 3,007,366 km (0.085 R)
• M8: 4,382,021 km (0.083 R)
• M9: 5,816,216 km (0.082 R)
• M10: 7,355,279 km (0.057 R)
• M11: 9,541,203 km (0.089 R)
• M12: 15,762,679 km (0.058 R)
• M13: 17,163,214 km (0.083 R)
• M14: 19,275,386 km (0.076 R)
• M15: 20,430,731 km (0.108 R)
• M16: 22,249,542 km (0.045 R)
• M17: 29,372,046 km (0.078 R)
• M18: 30,609,968 km (0.106 R)
• M19: 34,011,824 km (0.082 R)
• M20: 35,270,241 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 8

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.04 AU - 10.2 AU

Year: 10060 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,068,499 km

• M1: 99,483 km (0.04 R)
• M2: 445,502 km (0.109 R)
• M3: 819,048 km (0.116 R)
• M4: 1,297,014 km (0.105 R)
• M5: 1,918,443 km (0.056 R)
• M6: 3,943,101 km (0.113 R)
• M7: 6,027,897 km (0.066 R)
• M8: 8,317,642 km (0.115 R)
• M9: 8,667,252 km (0.119 R)
• M10: 9,026,736 km (0.104 R)
• M11: 9,396,093 km (0.092 R)
• M12: 10,464,072 km (0.081 R)
• M13: 11,556,884 km (0.063 R)
• M14: 12,326,715 km (0.089 R)
• M15: 13,188,698 km (0.1 R)
• M16: 14,213,742 km (0.081 R)
• M17: 14,587,887 km (0.065 R)
• M18: 15,032,641 km (0.057 R)
• M19: 15,421,147 km (0.071 R)
• M20: 15,949,377 km (0.094 R)
• M21: 17,182,063 km (0.104 R)
• M22: 21,098,835 km (0.065 R)
• M23: 21,422,714 km (0.103 R)
• M24: 23,436,302 km (0.059 R)
• M25: 24,046,511 km (0.081 R)
• M26: 25,026,826 km (0.117 R)
• M27: 25,481,155 km (0.088 R)
• M28: 32,540,230 km (0.096 R)
• M29: 34,405,117 km (0.099 R)
• M30: 37,039,984 km (0.028 R)
• M31: 43,748,850 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.4

Radius: 7.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 13.16 AU - 17.4 AU

Year: 21816 Days

Day: 22.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,068,499 km

• M1: 121,324 km (0.052 R)
• M2: 717,621 km (0.12 R)
• M3: 1,070,822 km (0.096 R)
• M4: 7,944,245 km (0.054 R)
• M5: 10,063,000 km (0.027 R)
• M6: 11,531,602 km (0.091 R)
• M7: 19,273,591 km (0.116 R)
• M8: 26,274,622 km (0.068 R)
• M9: 28,844,863 km (0.088 R)
• M10: 31,377,405 km (0.098 R)
• M11: 37,893,440 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.5

Radius: 5.2

Gravity: 16.59 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 14.4 AU - 19.24 AU

Year: 25196 Days

Day: 16.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,068,499 km

• M1: 82,129 km (0.075 R)
• M2: 470,336 km (0.092 R)
• M3: 2,494,544 km (0.108 R)
• M4: 3,091,290 km (0.094 R)
• M5: 5,217,974 km (0.112 R)
• M6: 6,403,088 km (0.098 R)
• M7: 12,946,200 km (0.084 R)
• M8: 15,719,295 km (0.066 R)
• M9: 18,684,475 km (0.065 R)
• M10: 28,329,798 km (0.091 R)
• M11: 30,267,389 km (0.105 R)
• M12: 39,195,689 km (0.105 R)
• M13: 45,542,379 km (0.118 R)
• M14: 46,031,863 km (0.115 R)
• M15: 52,899,153 km (0.114 R)
• M16: 61,405,737 km (0.104 R)
• M17: 66,923,355 km (0.077 R)
• M18: 71,216,964 km (0.078 R)
• M19: 72,540,008 km (0.105 R)
• M20: 76,837,655 km (0.093 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: 259 - 19,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit