🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.9 AU - 1.06 AU

Year: 358 Days

Day: 41.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 19.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.08 AU - 1.38 AU

Year: 503 Days

Day: 14.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.69 AU

Year: 605 Days

Day: 20.4 Hours

Environment

Temp: -29 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,566,322 km

• M1: 56,847 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.43 AU - 2.23 AU

Year: 913 Days

Day: 21.2 Hours

Environment

Temp: -62 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.75 AU - 2.29 AU

Year: 1059 Days

Day: 15.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.08 AU - 8.3 AU

Year: 6384 Days

Day: 11.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,566,322 km

• M1: 184,903 km (0.119 R)
• M2: 1,357,002 km (0.104 R)
• M3: 1,872,217 km (0.114 R)
• M4: 2,503,520 km (0.073 R)
• M5: 3,101,313 km (0.11 R)
• M6: 4,367,659 km (0.105 R)
• M7: 4,946,603 km (0.086 R)
• M8: 7,098,868 km (0.049 R)
• M9: 8,159,217 km (0.112 R)
• M10: 8,923,064 km (0.063 R)
• M11: 9,568,280 km (0.12 R)
• M12: 10,418,295 km (0.11 R)
• M13: 11,225,824 km (0.069 R)
• M14: 11,739,693 km (0.053 R)
• M15: 15,789,457 km (0.063 R)
• M16: 16,376,180 km (0.079 R)
• M17: 18,804,303 km (0.117 R)
• M18: 20,002,432 km (0.059 R)
• M19: 23,295,231 km (0.059 R)
• M20: 26,603,289 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 13.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.37 AU - 9.65 AU

Year: 8364 Days

Day: 7.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,566,322 km

• M1: 173,833 km (0.101 R)
• M2: 664,065 km (0.119 R)
• M3: 1,442,423 km (0.095 R)
• M4: 2,902,647 km (0.102 R)
• M5: 3,612,789 km (0.111 R)
• M6: 4,202,204 km (0.11 R)
• M7: 7,262,977 km (0.068 R)
• M8: 8,464,098 km (0.078 R)
• M9: 11,303,615 km (0.096 R)
• M10: 13,415,787 km (0.079 R)
• M11: 18,472,046 km (0.108 R)
• M12: 27,866,942 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 12.1

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.67 AU - 9.51 AU

Year: 9289 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,566,322 km

• M1: 153,487 km (0.079 R)
• M2: 699,968 km (0.115 R)
• M3: 3,723,341 km (0.029 R)
• M4: 4,324,126 km (0.066 R)
• M5: 5,690,853 km (0.101 R)
• M6: 9,217,473 km (0.071 R)
• M7: 12,184,148 km (0.04 R)
• M8: 13,991,590 km (0.098 R)
• M9: 14,483,916 km (0.064 R)
• M10: 22,723,767 km (0.119 R)
• M11: 24,177,110 km (0.084 R)
• M12: 25,529,325 km (0.084 R)
• M13: 29,351,401 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88

Radius: 5.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.62 AU - 19.14 AU

Year: 23348 Days

Day: 17.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,566,322 km

• M1: 144,960 km (0.119 R)
• M2: 883,974 km (0.112 R)
• M3: 2,015,981 km (0.094 R)
• M4: 2,271,494 km (0.096 R)
• M5: 2,472,404 km (0.117 R)
• M6: 2,745,271 km (0.115 R)
• M7: 3,398,116 km (0.094 R)
• M8: 4,069,361 km (0.111 R)
• M9: 5,096,650 km (0.117 R)
• M10: 6,180,786 km (0.108 R)
• M11: 9,712,642 km (0.047 R)
• M12: 10,692,957 km (0.064 R)
• M13: 28,440,350 km (0.093 R)
• M14: 32,517,192 km (0.056 R)
• M15: 36,504,723 km (0.073 R)
• M16: 37,667,547 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 16,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit