🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.6 AU - 0.64 AU

Year: 186 Days

Day: 46.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 100,205,008 km

• M1: 46,525 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.75 AU - 1.23 AU

Year: 375 Days

Day: 17.4 Hours

Environment

Temp: 18 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.93 AU - 1.27 AU

Year: 439 Days

Day: 17.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 100,205,008 km

• M1: 101,727 km (0.12 R)
• M2: 334,351 km (0.041 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.77 AU - 1.83 AU

Year: 920 Days

Day: 15 Hours

Environment

Temp: -74 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.6

Radius: 10.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.37 AU - 8.39 AU

Year: 7635 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 73.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 100,205,008 km

• M1: 287,228 km (0.049 R)
• M2: 692,040 km (0.059 R)
• M3: 1,196,035 km (0.117 R)
• M4: 1,684,622 km (0.065 R)
• M5: 2,756,640 km (0.071 R)
• M6: 3,893,434 km (0.106 R)
• M7: 4,596,544 km (0.041 R)
• M8: 5,608,723 km (0.089 R)
• M9: 6,800,570 km (0.104 R)
• M10: 8,111,795 km (0.079 R)
• M11: 11,071,589 km (0.086 R)
• M12: 13,052,414 km (0.041 R)
• M13: 17,139,129 km (0.118 R)
• M14: 17,918,534 km (0.084 R)
• M15: 25,026,078 km (0.088 R)
• M16: 29,498,606 km (0.057 R)
• M17: 30,207,400 km (0.056 R)
• M18: 33,374,238 km (0.115 R)
• M19: 42,374,644 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 13.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.81 AU - 12.99 AU

Year: 12772 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 100,205,008 km

• M1: 168,597 km (0.106 R)
• M2: 602,580 km (0.107 R)
• M3: 1,300,604 km (0.112 R)
• M4: 3,534,698 km (0.083 R)
• M5: 8,609,657 km (0.026 R)
• M6: 10,130,469 km (0.103 R)
• M7: 11,727,426 km (0.079 R)
• M8: 13,225,050 km (0.12 R)
• M9: 22,822,502 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.5

Radius: 8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 14.66 AU - 16.2 AU

Year: 23080 Days

Day: 16.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 100,205,008 km

• M1: 101,278 km (0.044 R)
• M2: 808,128 km (0.073 R)
• M3: 1,837,959 km (0.095 R)
• M4: 3,098,920 km (0.09 R)
• M5: 8,375,835 km (0.089 R)
• M6: 9,280,454 km (0.057 R)
• M7: 13,942,372 km (0.083 R)
• M8: 14,268,944 km (0.067 R)
• M9: 23,263,217 km (0.075 R)
• M10: 25,524,538 km (0.083 R)
• M11: 29,079,283 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.3

Radius: 5.3

Gravity: 22.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 14.89 AU - 23.23 AU

Year: 31687 Days

Day: 22.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 100,205,008 km

• M1: 69,563 km (0.095 R)
• M2: 252,222 km (0.086 R)
• M3: 566,677 km (0.114 R)
• M4: 879,037 km (0.097 R)
• M5: 1,432,998 km (0.102 R)
• M6: 1,765,704 km (0.07 R)
• M7: 2,559,021 km (0.109 R)
• M8: 3,535,297 km (0.047 R)
• M9: 5,304,591 km (0.053 R)
• M10: 8,480,404 km (0.087 R)
• M11: 11,561,073 km (0.106 R)
• M12: 14,974,298 km (0.087 R)
• M13: 18,319,755 km (0.051 R)
• M14: 18,611,022 km (0.098 R)
• M15: 19,402,844 km (0.051 R)
• M16: 19,604,203 km (0.108 R)
• M17: 20,842,275 km (0.116 R)
• M18: 23,931,919 km (0.097 R)
• M19: 24,986,285 km (0.091 R)
• M20: 33,973,826 km (0.061 R)
• M21: 35,005,752 km (0.118 R)
• M22: 36,669,280 km (0.114 R)
• M23: 36,977,302 km (0.063 R)
• M24: 45,250,514 km (0.057 R)
• M25: 59,418,778 km (0.104 R)
• M26: 63,095,744 km (0.074 R)
• M27: 65,554,086 km (0.074 R)
• M28: 66,921,560 km (0.033 R)
• M29: 68,075,558 km (0.107 R)
• M30: 82,182,488 km (0.103 R)
• M31: 84,306,179 km (0.029 R)
• M32: 88,939,674 km (0.111 R)
• M33: 96,643,067 km (0.07 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 18,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit