🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.08 AU - 1.18 AU

Year: 422 Days

Day: 17.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.08 AU - 3.32 AU

Year: 1559 Days

Day: 22.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.28 AU - 3.46 AU

Year: 1709 Days

Day: 20 Hours

Environment

Temp: -90 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,611,515 km

• M1: 240,703 km (0.103 R)
• M2: 1,856,061 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.36 AU - 5.5 AU

Year: 3277 Days

Day: 45.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.91 AU - 5.45 AU

Year: 4144 Days

Day: 14.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.9

Radius: 10.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.42 AU - 6.12 AU

Year: 4871 Days

Day: 9.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,611,515 km

• M1: 144,661 km (0.116 R)
• M2: 570,865 km (0.066 R)
• M3: 1,031,328 km (0.11 R)
• M4: 2,210,009 km (0.088 R)
• M5: 3,024,420 km (0.1 R)
• M6: 3,586,759 km (0.044 R)
• M7: 6,099,404 km (0.049 R)
• M8: 6,538,923 km (0.113 R)
• M9: 8,541,440 km (0.082 R)
• M10: 9,544,494 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.4

Radius: 12.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.01 AU - 7.19 AU

Year: 5295 Days

Day: 14.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,611,515 km

• M1: 160,519 km (0.055 R)
• M2: 651,798 km (0.089 R)
• M3: 1,712,297 km (0.091 R)
• M4: 2,255,786 km (0.056 R)
• M5: 2,877,515 km (0.106 R)
• M6: 3,653,330 km (0.117 R)
• M7: 4,252,768 km (0.063 R)
• M8: 4,995,223 km (0.105 R)
• M9: 5,650,012 km (0.102 R)
• M10: 6,177,943 km (0.063 R)
• M11: 6,643,043 km (0.059 R)
• M12: 7,265,819 km (0.035 R)
• M13: 8,254,212 km (0.085 R)
• M14: 11,117,216 km (0.04 R)
• M15: 12,624,265 km (0.082 R)
• M16: 13,223,255 km (0.031 R)
• M17: 15,413,966 km (0.115 R)
• M18: 16,743,891 km (0.084 R)
• M19: 17,899,086 km (0.065 R)
• M20: 20,232,514 km (0.107 R)
• M21: 21,123,070 km (0.117 R)
• M22: 22,398,840 km (0.064 R)
• M23: 24,331,645 km (0.052 R)
• M24: 25,653,940 km (0.097 R)
• M25: 26,292,574 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 11.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 10.61 AU - 14.45 AU

Year: 15589 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,611,515 km

• M1: 148,102 km (0.104 R)
• M2: 682,017 km (0.063 R)
• M3: 1,055,563 km (0.078 R)
• M4: 3,346,355 km (0.105 R)
• M5: 3,816,242 km (0.111 R)
• M6: 4,300,340 km (0.116 R)
• M7: 5,603,338 km (0.106 R)
• M8: 6,004,111 km (0.108 R)
• M9: 7,495,452 km (0.077 R)
• M10: 7,937,962 km (0.114 R)
• M11: 8,682,212 km (0.049 R)
• M12: 9,121,132 km (0.118 R)
• M13: 10,970,461 km (0.095 R)
• M14: 12,682,608 km (0.11 R)
• M15: 13,570,023 km (0.091 R)
• M16: 17,615,598 km (0.116 R)
• M17: 19,786,562 km (0.072 R)
• M18: 22,040,553 km (0.079 R)
• M19: 25,834,655 km (0.106 R)
• M20: 32,659,908 km (0.06 R)
• M21: 33,963,354 km (0.109 R)
• M22: 35,178,089 km (0.1 R)
• M23: 35,796,377 km (0.057 R)
• M24: 40,463,082 km (0.076 R)
• M25: 43,790,289 km (0.058 R)
• M26: 46,254,465 km (0.115 R)
• M27: 50,044,377 km (0.072 R)
• M28: 55,191,142 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.1

Radius: 5.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 10.8 AU - 17.74 AU

Year: 18946 Days

Day: 19.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,611,515 km

• M1: 72,106 km (0.118 R)
• M2: 313,408 km (0.045 R)
• M3: 882,328 km (0.053 R)
• M4: 1,306,438 km (0.066 R)
• M5: 1,914,554 km (0.113 R)
• M6: 2,939,598 km (0.061 R)
• M7: 3,876,978 km (0.064 R)
• M8: 6,553,284 km (0.113 R)
• M9: 7,242,183 km (0.05 R)
• M10: 8,054,499 km (0.054 R)
• M11: 8,443,154 km (0.081 R)
• M12: 10,394,060 km (0.117 R)
• M13: 10,854,821 km (0.096 R)
• M14: 11,718,300 km (0.092 R)
• M15: 12,420,962 km (0.098 R)
• M16: 21,351,954 km (0.071 R)
• M17: 21,573,359 km (0.033 R)
• M18: 27,358,459 km (0.096 R)
• M19: 30,138,885 km (0.029 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 10,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit