🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.59 AU - 0.83 AU

Year: 221 Days

Day: 14.2 Hours

Environment

Temp: 145 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.74 AU - 0.86 AU

Year: 264 Days

Day: 40.5 Hours

Environment

Temp: 180 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.11 AU - 1.27 AU

Year: 479 Days

Day: 38.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 43,496,944 km

• M1: 307,723 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.73 AU - 1.77 AU

Year: 854 Days

Day: 37.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,496,944 km

• M1: 72,106 km (0.096 R)
• M2: 370,554 km (0.045 R)

Asteroid Belt

Center: 4.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8.6

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6 AU - 6.8 AU

Year: 5974 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,496,944 km

• M1: 106,962 km (0.118 R)
• M2: 482,603 km (0.12 R)
• M3: 1,315,414 km (0.079 R)
• M4: 1,726,958 km (0.06 R)
• M5: 2,738,688 km (0.054 R)
• M6: 3,073,339 km (0.04 R)
• M7: 3,893,733 km (0.058 R)
• M8: 7,763,830 km (0.109 R)
• M9: 9,479,867 km (0.117 R)
• M10: 17,913,597 km (0.114 R)
• M11: 21,088,961 km (0.042 R)
• M12: 22,029,334 km (0.103 R)
• M13: 23,916,062 km (0.091 R)
• M14: 24,700,104 km (0.106 R)
• M15: 27,324,051 km (0.07 R)
• M16: 28,354,332 km (0.061 R)
• M17: 29,143,760 km (0.106 R)
• M18: 29,588,664 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 14.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.17 AU - 8.65 AU

Year: 7442 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,496,944 km

• M1: 179,069 km (0.068 R)
• M2: 675,285 km (0.084 R)
• M3: 1,742,217 km (0.061 R)
• M4: 2,338,364 km (0.109 R)
• M5: 4,593,103 km (0.065 R)
• M6: 9,790,881 km (0.08 R)
• M7: 10,713,751 km (0.074 R)
• M8: 15,993,060 km (0.119 R)
• M9: 18,061,101 km (0.101 R)
• M10: 18,999,827 km (0.119 R)
• M11: 22,152,901 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.6

Radius: 4.6

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 13.35 AU - 15.29 AU

Year: 19994 Days

Day: 19.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,496,944 km

• M1: 98,136 km (0.065 R)
• M2: 244,144 km (0.089 R)
• M3: 428,149 km (0.075 R)
• M4: 3,139,162 km (0.089 R)
• M5: 4,456,521 km (0.08 R)
• M6: 5,236,673 km (0.049 R)
• M7: 5,641,934 km (0.11 R)
• M8: 22,369,669 km (0.081 R)
• M9: 22,808,290 km (0.108 R)
• M10: 23,612,229 km (0.065 R)
• M11: 23,884,347 km (0.106 R)
• M12: 25,944,460 km (0.081 R)
• M13: 46,701,463 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.1

Radius: 4.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 13.68 AU - 17.62 AU

Year: 22843 Days

Day: 22.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,496,944 km

• M1: 52,359 km (0.074 R)
• M2: 490,083 km (0.119 R)
• M3: 945,907 km (0.112 R)
• M4: 1,979,479 km (0.09 R)
• M5: 2,750,058 km (0.117 R)
• M6: 3,880,569 km (0.091 R)
• M7: 5,815,168 km (0.115 R)
• M8: 8,225,639 km (0.048 R)
• M9: 14,324,146 km (0.109 R)
• M10: 20,907,798 km (0.083 R)
• M11: 22,715,539 km (0.086 R)
• M12: 28,660,708 km (0.119 R)
• M13: 30,679,382 km (0.075 R)
• M14: 33,992,526 km (0.119 R)
• M15: 36,715,656 km (0.103 R)
• M16: 37,773,163 km (0.109 R)
• M17: 38,130,104 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 16,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit