🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.63 AU

Year: 144 Days

Day: 39.6 Hours

Environment

Temp: 184 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.67 AU - 0.99 AU

Year: 290 Days

Day: 21.6 Hours

Environment

Temp: 48 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.01 AU - 1.35 AU

Year: 491 Days

Day: 14.8 Hours

Environment

Temp: -26 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.24 AU - 1.7 AU

Year: 682 Days

Day: 39.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 156.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,276,190 km

• M1: 28,424 km (0.058 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.2 AU - 1.96 AU

Year: 760 Days

Day: 46.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,276,190 km

• M1: 1,110,914 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.51 AU - 1.65 AU

Year: 760 Days

Day: 18.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.04 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.2

Radius: 8.8

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.01 AU - 5 AU

Year: 3655 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,276,190 km

• M1: 113,994 km (0.047 R)
• M2: 428,598 km (0.097 R)
• M3: 709,244 km (0.057 R)
• M4: 1,111,213 km (0.091 R)
• M5: 1,773,483 km (0.107 R)
• M6: 2,527,755 km (0.039 R)
• M7: 3,027,861 km (0.098 R)
• M8: 3,301,775 km (0.089 R)
• M9: 3,782,582 km (0.105 R)
• M10: 5,867,976 km (0.104 R)
• M11: 7,125,945 km (0.064 R)
• M12: 7,459,099 km (0.056 R)
• M13: 9,717,878 km (0.115 R)
• M14: 11,264,869 km (0.086 R)
• M15: 12,012,111 km (0.077 R)
• M16: 12,836,096 km (0.085 R)
• M17: 14,308,588 km (0.064 R)
• M18: 14,790,891 km (0.081 R)
• M19: 15,839,123 km (0.117 R)
• M20: 16,565,122 km (0.089 R)
• M21: 18,420,135 km (0.049 R)
• M22: 18,818,515 km (0.099 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.4 AU - 6.44 AU

Year: 4831 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,276,190 km

• M1: 99,483 km (0.11 R)
• M2: 410,945 km (0.115 R)
• M3: 865,424 km (0.062 R)
• M4: 1,309,281 km (0.081 R)
• M5: 1,662,032 km (0.118 R)
• M6: 2,560,218 km (0.11 R)
• M7: 3,222,189 km (0.096 R)
• M8: 4,290,467 km (0.077 R)
• M9: 5,050,125 km (0.103 R)
• M10: 5,923,477 km (0.054 R)
• M11: 8,717,367 km (0.092 R)
• M12: 9,182,766 km (0.104 R)
• M13: 9,514,574 km (0.09 R)
• M14: 9,854,461 km (0.096 R)
• M15: 13,381,380 km (0.117 R)
• M16: 15,555,336 km (0.098 R)
• M17: 18,241,665 km (0.033 R)
• M18: 18,590,527 km (0.088 R)
• M19: 20,589,604 km (0.11 R)
• M20: 20,841,227 km (0.101 R)
• M21: 21,415,085 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214

Radius: 3.6

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 13.32 AU - 16.06 AU

Year: 21558 Days

Day: 15.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,276,190 km

• M1: 45,927 km (0.117 R)
• M2: 366,365 km (0.086 R)
• M3: 576,251 km (0.065 R)
• M4: 739,612 km (0.063 R)
• M5: 943,963 km (0.1 R)
• M6: 1,172,548 km (0.104 R)
• M7: 2,450,563 km (0.073 R)
• M8: 3,261,682 km (0.11 R)
• M9: 3,701,051 km (0.047 R)
• M10: 4,062,629 km (0.09 R)
• M11: 5,462,417 km (0.038 R)
• M12: 5,783,753 km (0.114 R)
• M13: 7,323,564 km (0.05 R)
• M14: 12,173,527 km (0.082 R)
• M15: 13,799,805 km (0.09 R)
• M16: 25,386,459 km (0.093 R)
• M17: 25,681,616 km (0.057 R)
• M18: 31,730,905 km (0.11 R)
• M19: 32,881,612 km (0.06 R)
• M20: 34,418,730 km (0.119 R)
• M21: 40,108,984 km (0.086 R)
• M22: 45,376,625 km (0.099 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: 356 - 10,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit