🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.52 AU - 0.52 AU

Year: 143 Days

Day: 40.7 Hours

Environment

Temp: 234 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.94 AU - 0.96 AU

Year: 353 Days

Day: 17.2 Hours

Environment

Temp: 9 °C

Axial Tilt: 20.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.1 AU - 1.28 AU

Year: 494 Days

Day: 25.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.8 AU - 1.86 AU

Year: 943 Days

Day: 46.1 Hours

Environment

Temp: -70 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,487,338 km

• M1: 1,382,135 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.5 AU - 4.58 AU

Year: 3092 Days

Day: 23.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 13.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.92 AU - 11.96 AU

Year: 12845 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,487,338 km

• M1: 172,187 km (0.101 R)
• M2: 596,447 km (0.04 R)
• M3: 1,234,482 km (0.067 R)
• M4: 2,031,389 km (0.111 R)
• M5: 2,935,559 km (0.089 R)
• M6: 4,777,109 km (0.094 R)
• M7: 5,645,524 km (0.099 R)
• M8: 7,164,242 km (0.092 R)
• M9: 7,606,005 km (0.095 R)
• M10: 8,065,868 km (0.114 R)
• M11: 10,822,209 km (0.117 R)
• M12: 15,138,856 km (0.113 R)
• M13: 15,574,036 km (0.094 R)
• M14: 17,242,202 km (0.063 R)
• M15: 17,797,210 km (0.078 R)
• M16: 18,610,723 km (0.09 R)
• M17: 20,575,841 km (0.099 R)
• M18: 23,729,214 km (0.114 R)
• M19: 24,915,226 km (0.108 R)
• M20: 25,625,068 km (0.1 R)
• M21: 26,767,846 km (0.118 R)
• M22: 29,043,379 km (0.102 R)
• M23: 36,511,305 km (0.108 R)
• M24: 38,358,839 km (0.115 R)
• M25: 40,129,479 km (0.049 R)
• M26: 42,959,273 km (0.063 R)
• M27: 45,919,515 km (0.116 R)
• M28: 49,967,783 km (0.091 R)
• M29: 54,757,159 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.6

Radius: 7.8

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 11.55 AU - 17.35 AU

Year: 20917 Days

Day: 16.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,487,338 km

• M1: 97,089 km (0.084 R)
• M2: 516,412 km (0.062 R)
• M3: 1,308,981 km (0.091 R)
• M4: 1,773,782 km (0.041 R)
• M5: 3,195,411 km (0.074 R)
• M6: 7,507,270 km (0.079 R)
• M7: 9,325,782 km (0.097 R)
• M8: 9,674,644 km (0.087 R)
• M9: 10,965,075 km (0.068 R)
• M10: 12,717,016 km (0.039 R)
• M11: 14,109,922 km (0.078 R)
• M12: 14,882,595 km (0.11 R)
• M13: 16,427,791 km (0.042 R)
• M14: 17,109,359 km (0.101 R)
• M15: 18,711,552 km (0.108 R)
• M16: 19,929,279 km (0.042 R)
• M17: 24,224,084 km (0.077 R)
• M18: 26,586,384 km (0.099 R)
• M19: 34,174,586 km (0.117 R)
• M20: 40,576,178 km (0.037 R)
• M21: 42,292,964 km (0.116 R)
• M22: 44,057,620 km (0.077 R)
• M23: 47,050,176 km (0.07 R)
• M24: 61,793,196 km (0.089 R)
• M25: 66,815,795 km (0.12 R)
• M26: 68,767,448 km (0.065 R)
• M27: 75,081,675 km (0.1 R)
• M28: 77,427,220 km (0.102 R)
• M29: 81,036,419 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.6

Radius: 3.2

Gravity: 30.23 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 15.71 AU - 19.59 AU

Year: 28237 Days

Day: 22.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,487,338 km

• M1: 59,091 km (0.071 R)
• M2: 489,933 km (0.05 R)
• M3: 1,055,114 km (0.088 R)
• M4: 2,022,862 km (0.111 R)
• M5: 4,740,457 km (0.097 R)
• M6: 5,920,186 km (0.096 R)
• M7: 9,331,317 km (0.099 R)
• M8: 12,528,223 km (0.118 R)
• M9: 15,201,238 km (0.104 R)
• M10: 15,904,498 km (0.057 R)
• M11: 25,232,374 km (0.113 R)
• M12: 25,995,622 km (0.117 R)
• M13: 30,287,734 km (0.093 R)
• M14: 45,145,795 km (0.063 R)
• M15: 48,405,233 km (0.04 R)
• M16: 49,921,857 km (0.027 R)
• M17: 68,325,087 km (0.044 R)
• M18: 68,745,607 km (0.115 R)
• M19: 71,955,678 km (0.075 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 13,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit