🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.53 AU - 0.63 AU

Year: 162 Days

Day: 16.3 Hours

Environment

Temp: 175 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.95 AU - 1.05 AU

Year: 367 Days

Day: 25.7 Hours

Environment

Temp: 40 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.14 AU - 1.26 AU

Year: 483 Days

Day: 40.8 Hours

Environment

Temp: -1 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.2

Radius: 9.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.54 AU - 5 AU

Year: 3824 Days

Day: 9.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,897,369 km

• M1: 121,922 km (0.049 R)
• M2: 945,907 km (0.063 R)
• M3: 1,268,141 km (0.119 R)
• M4: 1,664,875 km (0.062 R)
• M5: 2,935,559 km (0.068 R)
• M6: 3,345,008 km (0.07 R)
• M7: 4,671,642 km (0.115 R)
• M8: 5,231,886 km (0.116 R)
• M9: 6,599,959 km (0.083 R)
• M10: 9,581,145 km (0.036 R)
• M11: 10,959,690 km (0.081 R)
• M12: 11,822,570 km (0.109 R)
• M13: 14,344,491 km (0.101 R)
• M14: 15,527,810 km (0.067 R)
• M15: 17,864,230 km (0.066 R)
• M16: 19,291,393 km (0.09 R)
• M17: 19,763,674 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 9.1

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.26 AU - 7.02 AU

Year: 5585 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,897,369 km

• M1: 113,246 km (0.067 R)
• M2: 421,866 km (0.102 R)
• M3: 793,617 km (0.068 R)
• M4: 1,150,108 km (0.042 R)
• M5: 1,587,981 km (0.104 R)
• M6: 2,119,054 km (0.037 R)
• M7: 2,727,319 km (0.104 R)
• M8: 3,194,513 km (0.119 R)
• M9: 3,829,556 km (0.075 R)
• M10: 4,546,279 km (0.087 R)
• M11: 5,204,660 km (0.05 R)
• M12: 5,647,619 km (0.114 R)
• M13: 7,417,212 km (0.096 R)
• M14: 9,229,291 km (0.091 R)
• M15: 9,879,144 km (0.113 R)
• M16: 12,946,200 km (0.098 R)
• M17: 15,311,492 km (0.07 R)
• M18: 15,671,424 km (0.117 R)
• M19: 18,418,789 km (0.086 R)
• M20: 19,658,656 km (0.056 R)
• M21: 20,443,147 km (0.057 R)
• M22: 22,534,526 km (0.078 R)
• M23: 22,844,492 km (0.118 R)
• M24: 28,199,498 km (0.078 R)
• M25: 32,725,432 km (0.112 R)

Asteroid Belt

Center: 7.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 13.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.39 AU - 10.09 AU

Year: 11159 Days

Day: 14.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,897,369 km

• M1: 165,754 km (0.077 R)
• M2: 1,304,344 km (0.111 R)
• M3: 3,021,578 km (0.03 R)
• M4: 3,526,770 km (0.096 R)
• M5: 5,475,282 km (0.116 R)
• M6: 7,023,022 km (0.08 R)
• M7: 9,040,050 km (0.102 R)
• M8: 17,073,904 km (0.109 R)
• M9: 17,498,613 km (0.098 R)
• M10: 19,530,900 km (0.066 R)
• M11: 21,857,894 km (0.099 R)
• M12: 23,908,582 km (0.087 R)
• M13: 26,084,483 km (0.076 R)
• M14: 27,884,594 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 4.6

Gravity: 33.42 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 12.87 AU - 18.33 AU

Year: 22618 Days

Day: 23.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,897,369 km

• M1: 57,595 km (0.108 R)
• M2: 355,893 km (0.082 R)
• M3: 704,756 km (0.086 R)
• M4: 1,085,333 km (0.088 R)
• M5: 1,791,883 km (0.076 R)
• M6: 3,572,547 km (0.105 R)
• M7: 4,047,071 km (0.062 R)
• M8: 4,670,595 km (0.115 R)
• M9: 5,355,753 km (0.118 R)
• M10: 8,070,955 km (0.069 R)
• M11: 10,609,631 km (0.107 R)
• M12: 10,992,452 km (0.106 R)
• M13: 16,842,626 km (0.119 R)
• M14: 18,437,339 km (0.117 R)
• M15: 21,314,405 km (0.072 R)
• M16: 25,597,093 km (0.055 R)
• M17: 33,858,486 km (0.071 R)
• M18: 35,388,423 km (0.086 R)
• M19: 52,559,865 km (0.091 R)
• M20: 54,044,026 km (0.099 R)
• M21: 65,222,727 km (0.086 R)
• M22: 75,015,703 km (0.083 R)
• M23: 79,531,015 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.9

Radius: 7.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 18.39 AU - 21.41 AU

Year: 32588 Days

Day: 23.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,897,369 km

• M1: 98,435 km (0.114 R)
• M2: 774,319 km (0.118 R)
• M3: 1,868,926 km (0.084 R)
• M4: 2,142,391 km (0.105 R)
• M5: 3,228,621 km (0.09 R)
• M6: 3,764,182 km (0.103 R)
• M7: 4,053,354 km (0.05 R)
• M8: 4,547,177 km (0.103 R)
• M9: 5,507,446 km (0.04 R)
• M10: 6,392,317 km (0.065 R)
• M11: 8,588,713 km (0.107 R)
• M12: 8,837,943 km (0.114 R)
• M13: 9,508,590 km (0.12 R)
• M14: 14,684,677 km (0.058 R)
• M15: 18,436,591 km (0.087 R)
• M16: 34,925,717 km (0.107 R)
• M17: 37,650,194 km (0.118 R)
• M18: 38,859,992 km (0.112 R)
• M19: 53,755,302 km (0.091 R)
• M20: 61,712,114 km (0.053 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 13,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit