🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.45 AU - 0.67 AU

Year: 148 Days

Day: 15.3 Hours

Environment

Temp: 266 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,930,740 km

• M1: 110,702 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.94 AU

Year: 243 Days

Day: 18.6 Hours

Environment

Temp: 185 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 45,930,740 km

• M1: 63,130 km (0.072 R)
• M2: 347,067 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.21 AU - 1.83 AU

Year: 662 Days

Day: 30.2 Hours

Environment

Temp: -19 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.94 AU - 2.76 AU

Year: 1272 Days

Day: 39.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.72 AU - 5.14 AU

Year: 3292 Days

Day: 26.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 45,930,740 km

• M1: 626,815 km (0.091 R)
• M2: 1,823,149 km (0.11 R)

Asteroid Belt

Center: 5.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.9

Radius: 13.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.65 AU - 7.29 AU

Year: 5151 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,930,740 km

• M1: 170,392 km (0.097 R)
• M2: 669,750 km (0.096 R)
• M3: 1,134,999 km (0.115 R)
• M4: 2,282,265 km (0.088 R)
• M5: 4,099,131 km (0.049 R)
• M6: 6,314,676 km (0.116 R)
• M7: 8,453,028 km (0.065 R)
• M8: 9,275,666 km (0.048 R)
• M9: 10,151,113 km (0.064 R)
• M10: 15,322,712 km (0.089 R)
• M11: 17,417,082 km (0.117 R)
• M12: 22,097,999 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.8

Radius: 13.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 10 AU - 13.86 AU

Year: 14550 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,930,740 km

• M1: 170,542 km (0.049 R)
• M2: 821,143 km (0.09 R)
• M3: 1,457,083 km (0.068 R)
• M4: 2,118,156 km (0.109 R)
• M5: 3,286,964 km (0.104 R)
• M6: 4,004,286 km (0.085 R)
• M7: 4,873,899 km (0.067 R)
• M8: 5,612,912 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 10.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 11.32 AU - 14.38 AU

Year: 16265 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,930,740 km

• M1: 125,662 km (0.093 R)
• M2: 533,616 km (0.102 R)
• M3: 1,349,822 km (0.094 R)
• M4: 1,845,589 km (0.036 R)
• M5: 2,733,303 km (0.1 R)
• M6: 7,465,532 km (0.03 R)
• M7: 10,366,833 km (0.109 R)
• M8: 10,724,073 km (0.091 R)
• M9: 11,735,355 km (0.114 R)
• M10: 13,339,792 km (0.12 R)
• M11: 14,008,494 km (0.111 R)
• M12: 14,827,393 km (0.101 R)
• M13: 18,276,671 km (0.063 R)
• M14: 19,101,703 km (0.108 R)
• M15: 19,873,030 km (0.056 R)
• M16: 23,515,289 km (0.104 R)
• M17: 24,490,967 km (0.05 R)
• M18: 35,779,472 km (0.117 R)
• M19: 38,026,881 km (0.104 R)
• M20: 38,878,093 km (0.116 R)
• M21: 42,801,148 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.9

Radius: 4.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 16.17 AU - 22.69 AU

Year: 30242 Days

Day: 24.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,930,740 km

• M1: 57,146 km (0.057 R)
• M2: 238,160 km (0.1 R)
• M3: 494,271 km (0.099 R)
• M4: 715,377 km (0.089 R)
• M5: 1,097,001 km (0.111 R)
• M6: 2,058,018 km (0.069 R)
• M7: 2,233,347 km (0.05 R)
• M8: 2,993,154 km (0.06 R)
• M9: 4,045,426 km (0.057 R)
• M10: 5,421,277 km (0.117 R)
• M11: 6,323,053 km (0.059 R)
• M12: 7,565,164 km (0.073 R)
• M13: 8,508,080 km (0.094 R)
• M14: 10,266,154 km (0.096 R)
• M15: 11,473,259 km (0.116 R)
• M16: 12,713,425 km (0.114 R)
• M17: 18,421,033 km (0.061 R)
• M18: 26,003,700 km (0.086 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 18,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit