🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.61 AU - 0.63 AU

Year: 172 Days

Day: 35.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 48.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 46,891,881 km

• M1: 79,736 km (0.09 R)
• M2: 100,679 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.63 AU - 0.83 AU

Year: 219 Days

Day: 26.6 Hours

Environment

Temp: 212 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,891,881 km

• M1: 38,447 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.07 AU - 1.23 AU

Year: 433 Days

Day: 43.9 Hours

Environment

Temp: 37 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.29 AU - 1.69 AU

Year: 639 Days

Day: 12.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.04 AU - 3.74 AU

Year: 2194 Days

Day: 41.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.16 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.3

Radius: 14.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.91 AU - 8.93 AU

Year: 9363 Days

Day: 12.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,891,881 km

• M1: 176,825 km (0.077 R)
• M2: 823,087 km (0.077 R)
• M3: 1,389,016 km (0.114 R)
• M4: 1,932,505 km (0.111 R)
• M5: 2,947,976 km (0.087 R)
• M6: 4,138,625 km (0.075 R)
• M7: 4,787,132 km (0.105 R)
• M8: 10,063,299 km (0.103 R)
• M9: 10,788,699 km (0.119 R)
• M10: 13,809,978 km (0.058 R)
• M11: 14,343,294 km (0.112 R)
• M12: 16,352,394 km (0.056 R)
• M13: 20,007,668 km (0.042 R)
• M14: 20,691,480 km (0.1 R)
• M15: 23,249,603 km (0.106 R)
• M16: 28,317,680 km (0.088 R)
• M17: 29,276,902 km (0.085 R)
• M18: 37,747,283 km (0.091 R)
• M19: 38,209,091 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.5

Radius: 6.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 11.87 AU - 14.83 AU

Year: 17144 Days

Day: 24.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,891,881 km

• M1: 85,271 km (0.085 R)
• M2: 475,123 km (0.036 R)
• M3: 1,234,930 km (0.072 R)
• M4: 2,354,670 km (0.098 R)
• M5: 3,140,059 km (0.095 R)
• M6: 4,282,239 km (0.059 R)
• M7: 4,599,087 km (0.032 R)
• M8: 6,995,496 km (0.038 R)
• M9: 9,868,822 km (0.071 R)
• M10: 10,371,321 km (0.102 R)
• M11: 11,925,344 km (0.11 R)
• M12: 22,068,678 km (0.064 R)
• M13: 29,161,113 km (0.096 R)
• M14: 30,404,122 km (0.109 R)
• M15: 33,217,908 km (0.065 R)
• M16: 38,612,706 km (0.1 R)
• M17: 44,699,395 km (0.071 R)
• M18: 46,349,908 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.4

Radius: 4.5

Gravity: 16.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10.76 AU - 16.34 AU

Year: 17530 Days

Day: 24 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,891,881 km

• M1: 56,099 km (0.053 R)
• M2: 1,156,691 km (0.119 R)
• M3: 1,687,614 km (0.091 R)
• M4: 2,191,459 km (0.1 R)
• M5: 3,311,349 km (0.049 R)
• M6: 3,595,435 km (0.069 R)
• M7: 4,066,070 km (0.113 R)
• M8: 5,652,406 km (0.072 R)
• M9: 7,522,230 km (0.118 R)
• M10: 10,460,482 km (0.104 R)
• M11: 10,902,394 km (0.117 R)
• M12: 16,540,887 km (0.102 R)
• M13: 19,766,367 km (0.067 R)
• M14: 22,194,938 km (0.042 R)
• M15: 23,762,575 km (0.106 R)
• M16: 24,525,225 km (0.098 R)
• M17: 26,604,485 km (0.031 R)
• M18: 32,952,073 km (0.071 R)
• M19: 43,684,523 km (0.058 R)
• M20: 45,406,544 km (0.101 R)
• M21: 49,138,413 km (0.093 R)
• M22: 53,554,841 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.4

Radius: 6.5

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 12.73 AU - 14.47 AU

Year: 17627 Days

Day: 22.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,891,881 km

• M1: 86,617 km (0.066 R)
• M2: 559,197 km (0.103 R)
• M3: 1,064,987 km (0.078 R)
• M4: 4,548,673 km (0.051 R)
• M5: 6,145,331 km (0.112 R)
• M6: 8,613,696 km (0.114 R)
• M7: 9,452,491 km (0.071 R)
• M8: 10,446,868 km (0.099 R)
• M9: 12,583,574 km (0.055 R)
• M10: 13,600,092 km (0.105 R)
• M11: 14,477,484 km (0.097 R)
• M12: 18,441,229 km (0.04 R)
• M13: 20,067,208 km (0.107 R)
• M14: 21,037,949 km (0.092 R)
• M15: 30,693,893 km (0.119 R)
• M16: 33,865,966 km (0.092 R)
• M17: 35,356,260 km (0.059 R)
• M18: 39,710,605 km (0.072 R)
• M19: 41,625,757 km (0.049 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 20,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit