🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.22 AU - 1.26 AU

Year: 509 Days

Day: 32.7 Hours

Environment

Temp: -14 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.24 AU - 1.94 AU

Year: 740 Days

Day: 26.2 Hours

Environment

Temp: -41 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.46 AU - 2.04 AU

Year: 854 Days

Day: 35.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,823,657 km

• M1: 674,238 km (0.091 R)
• M2: 1,480,421 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.49 AU - 2.47 AU

Year: 1028 Days

Day: 20.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,823,657 km

• M1: 154,385 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.94 AU - 2.56 AU

Year: 1245 Days

Day: 30.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.3 AU - 3.66 AU

Year: 1898 Days

Day: 16 Hours

Environment

Temp: -102 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.95 AU - 4.01 AU

Year: 2395 Days

Day: 15.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 17.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.5

Radius: 6.6

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 15.21 AU - 19.99 AU

Year: 27242 Days

Day: 20.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,823,657 km

• M1: 82,428 km (0.053 R)
• M2: 1,567,636 km (0.044 R)
• M3: 2,262,069 km (0.099 R)
• M4: 4,171,836 km (0.101 R)
• M5: 7,637,570 km (0.095 R)
• M6: 9,815,715 km (0.036 R)
• M7: 10,054,174 km (0.105 R)
• M8: 10,918,999 km (0.096 R)
• M9: 12,446,094 km (0.116 R)
• M10: 14,567,541 km (0.082 R)
• M11: 18,499,123 km (0.067 R)
• M12: 19,794,341 km (0.085 R)
• M13: 23,084,597 km (0.107 R)
• M14: 23,294,932 km (0.088 R)
• M15: 24,913,880 km (0.089 R)
• M16: 42,832,713 km (0.115 R)
• M17: 44,113,570 km (0.094 R)
• M18: 45,750,320 km (0.07 R)
• M19: 63,159,772 km (0.108 R)
• M20: 63,985,253 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 12,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit