🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.78 AU - 0.78 AU

Year: 254 Days

Day: 18.6 Hours

Environment

Temp: 154 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.72 AU - 1.18 AU

Year: 342 Days

Day: 16 Hours

Environment

Temp: 35 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.53 AU - 1.65 AU

Year: 740 Days

Day: 18.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,437,590 km

• M1: 113,844 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.15 AU - 3.17 AU

Year: 1601 Days

Day: 14.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,437,590 km

• M1: 143,315 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.58 AU - 3.76 AU

Year: 2082 Days

Day: 35.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 115,437,590 km

• M1: 103,971 km (0.104 R)
• M2: 300,841 km (0.06 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.74 AU - 3.88 AU

Year: 2744 Days

Day: 12.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.4

Radius: 5

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 15.98 AU - 16.6 AU

Year: 24258 Days

Day: 19 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 115,437,590 km

• M1: 64,177 km (0.117 R)
• M2: 248,033 km (0.104 R)
• M3: 493,823 km (0.057 R)
• M4: 926,460 km (0.047 R)
• M5: 1,792,332 km (0.113 R)
• M6: 4,143,113 km (0.109 R)
• M7: 4,944,359 km (0.108 R)
• M8: 6,153,858 km (0.116 R)
• M9: 6,556,127 km (0.109 R)
• M10: 6,805,955 km (0.105 R)
• M11: 9,192,041 km (0.091 R)
• M12: 9,347,623 km (0.068 R)
• M13: 10,430,412 km (0.083 R)
• M14: 11,654,871 km (0.091 R)
• M15: 13,565,685 km (0.08 R)
• M16: 14,736,138 km (0.113 R)
• M17: 20,181,501 km (0.088 R)
• M18: 21,703,210 km (0.117 R)
• M19: 24,373,682 km (0.12 R)
• M20: 25,276,505 km (0.084 R)
• M21: 39,802,907 km (0.101 R)
• M22: 41,334,789 km (0.049 R)
• M23: 43,195,338 km (0.092 R)
• M24: 46,928,852 km (0.037 R)
• M25: 47,236,575 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.7

Radius: 5.6

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 15.6 AU - 19.86 AU

Year: 27545 Days

Day: 24.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 115,437,590 km

• M1: 73,602 km (0.086 R)
• M2: 395,537 km (0.108 R)
• M3: 2,081,206 km (0.119 R)
• M4: 3,998,302 km (0.094 R)
• M5: 5,705,064 km (0.09 R)
• M6: 7,742,887 km (0.067 R)
• M7: 9,795,519 km (0.075 R)
• M8: 12,115,782 km (0.081 R)
• M9: 13,255,568 km (0.115 R)
• M10: 16,414,477 km (0.117 R)
• M11: 17,986,750 km (0.086 R)
• M12: 24,499,344 km (0.116 R)
• M13: 25,057,045 km (0.113 R)
• M14: 25,509,279 km (0.031 R)
• M15: 33,778,601 km (0.103 R)
• M16: 34,748,294 km (0.106 R)
• M17: 35,310,633 km (0.039 R)
• M18: 40,029,847 km (0.033 R)
• M19: 40,492,703 km (0.102 R)
• M20: 42,220,259 km (0.117 R)
• M21: 62,484,637 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.7

Radius: 5.9

Gravity: 28.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 18.49 AU - 20.11 AU

Year: 31283 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 115,437,590 km

• M1: 100,829 km (0.103 R)
• M2: 432,338 km (0.049 R)
• M3: 724,054 km (0.115 R)
• M4: 1,038,508 km (0.095 R)
• M5: 3,188,230 km (0.105 R)
• M6: 4,528,028 km (0.078 R)
• M7: 5,191,196 km (0.093 R)
• M8: 5,500,714 km (0.084 R)
• M9: 6,759,879 km (0.119 R)
• M10: 9,439,027 km (0.071 R)
• M11: 11,822,869 km (0.105 R)
• M12: 14,407,621 km (0.066 R)
• M13: 15,286,658 km (0.094 R)
• M14: 20,224,884 km (0.105 R)
• M15: 20,770,468 km (0.111 R)
• M16: 25,116,884 km (0.11 R)
• M17: 26,517,270 km (0.091 R)
• M18: 31,901,746 km (0.079 R)
• M19: 33,542,535 km (0.042 R)
• M20: 34,770,734 km (0.112 R)
• M21: 38,801,349 km (0.07 R)
• M22: 42,419,224 km (0.077 R)
• M23: 51,721,669 km (0.09 R)
• M24: 55,241,856 km (0.104 R)
• M25: 56,092,769 km (0.081 R)
• M26: 58,698,016 km (0.027 R)
• M27: 58,918,673 km (0.111 R)
• M28: 62,525,028 km (0.113 R)
• M29: 67,720,263 km (0.072 R)
• M30: 71,926,357 km (0.072 R)
• M31: 72,940,780 km (0.099 R)
• M32: 73,451,507 km (0.1 R)
• M33: 76,041,046 km (0.112 R)
• M34: 83,893,887 km (0.118 R)
• M35: 100,869,655 km (0.107 R)
• M36: 104,713,274 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 16,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit