🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.99 AU - 1.21 AU

Year: 419 Days

Day: 40.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 36,453,554 km

• M1: 55,950 km (0.11 R)
• M2: 145,858 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.24 AU - 2.7 AU

Year: 1411 Days

Day: 12.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,453,554 km

• M1: 242,049 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.94 AU - 3.04 AU

Year: 1428 Days

Day: 27 Hours

Environment

Temp: -93 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.63 AU - 4.49 AU

Year: 2973 Days

Day: 40.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.36 AU - 5.28 AU

Year: 3263 Days

Day: 19.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 12.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.37 AU - 8.59 AU

Year: 8193 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,453,554 km

• M1: 161,566 km (0.028 R)
• M2: 578,196 km (0.083 R)
• M3: 1,210,546 km (0.111 R)
• M4: 1,634,955 km (0.092 R)
• M5: 4,203,700 km (0.078 R)
• M6: 5,049,078 km (0.076 R)
• M7: 5,544,546 km (0.065 R)
• M8: 6,597,416 km (0.088 R)
• M9: 7,422,448 km (0.052 R)
• M10: 10,023,357 km (0.05 R)
• M11: 11,268,310 km (0.099 R)
• M12: 12,063,273 km (0.073 R)
• M13: 13,470,839 km (0.117 R)
• M14: 15,047,900 km (0.115 R)
• M15: 18,134,703 km (0.108 R)
• M16: 21,221,804 km (0.049 R)
• M17: 31,513,839 km (0.061 R)
• M18: 33,519,497 km (0.099 R)
• M19: 35,721,279 km (0.094 R)
• M20: 37,434,623 km (0.093 R)
• M21: 40,655,765 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 12.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.59 AU - 12.19 AU

Year: 11304 Days

Day: 7.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,453,554 km

• M1: 154,235 km (0.095 R)
• M2: 920,924 km (0.092 R)
• M3: 3,419,209 km (0.094 R)
• M4: 4,678,524 km (0.085 R)
• M5: 6,120,348 km (0.091 R)
• M6: 7,634,279 km (0.113 R)
• M7: 9,573,366 km (0.084 R)
• M8: 10,353,968 km (0.084 R)
• M9: 12,662,861 km (0.116 R)
• M10: 16,091,944 km (0.057 R)
• M11: 16,915,031 km (0.119 R)
• M12: 25,909,753 km (0.072 R)
• M13: 30,733,686 km (0.095 R)
• M14: 31,468,510 km (0.06 R)
• M15: 37,655,130 km (0.057 R)
• M16: 38,860,889 km (0.069 R)
• M17: 43,284,199 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.1

Radius: 5.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 10.04 AU - 15.38 AU

Year: 16468 Days

Day: 23.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,453,554 km

• M1: 81,232 km (0.117 R)
• M2: 351,555 km (0.118 R)
• M3: 789,428 km (0.1 R)
• M4: 1,345,483 km (0.065 R)
• M5: 2,349,734 km (0.116 R)
• M6: 2,945,732 km (0.074 R)
• M7: 3,193,615 km (0.08 R)
• M8: 4,648,305 km (0.099 R)
• M9: 5,675,594 km (0.047 R)
• M10: 5,930,209 km (0.073 R)
• M11: 7,431,723 km (0.103 R)
• M12: 7,698,157 km (0.102 R)
• M13: 9,610,167 km (0.043 R)
• M14: 11,212,360 km (0.094 R)
• M15: 13,315,557 km (0.053 R)
• M16: 15,482,781 km (0.091 R)
• M17: 23,537,579 km (0.098 R)
• M18: 34,209,443 km (0.082 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit