🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.55 AU - 0.55 AU

Year: 144 Days

Day: 13.4 Hours

Environment

Temp: 232 °C

Axial Tilt: 45.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.71 AU - 0.91 AU

Year: 257 Days

Day: 47.8 Hours

Environment

Temp: 127 °C

Axial Tilt: 42.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.02 AU - 1.38 AU

Year: 464 Days

Day: 22.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.72 AU - 2.04 AU

Year: 910 Days

Day: 23.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.7 AU - 2.06 AU

Year: 910 Days

Day: 41.2 Hours

Environment

Temp: -53 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,737,132 km

• M1: 1,310,627 km (0.084 R)
• M2: 1,343,987 km (0.1 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.85 AU - 2.63 AU

Year: 1184 Days

Day: 34.5 Hours

Environment

Temp: -71 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,737,132 km

• M1: 192,233 km (0.096 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.8 AU - 4.56 AU

Year: 2493 Days

Day: 45.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596

Radius: 14.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.67 AU - 8.03 AU

Year: 6330 Days

Day: 14.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,737,132 km

• M1: 179,966 km (0.067 R)
• M2: 839,543 km (0.076 R)
• M3: 1,706,014 km (0.085 R)
• M4: 2,310,689 km (0.04 R)
• M5: 3,257,494 km (0.12 R)
• M6: 4,816,453 km (0.118 R)
• M7: 6,231,649 km (0.109 R)
• M8: 6,931,917 km (0.116 R)
• M9: 7,463,887 km (0.068 R)
• M10: 11,689,428 km (0.075 R)
• M11: 13,667,710 km (0.066 R)
• M12: 15,981,989 km (0.09 R)
• M13: 17,554,861 km (0.058 R)
• M14: 20,426,392 km (0.099 R)
• M15: 21,006,832 km (0.052 R)
• M16: 23,204,275 km (0.119 R)
• M17: 23,677,304 km (0.117 R)
• M18: 26,225,255 km (0.062 R)
• M19: 28,498,993 km (0.11 R)
• M20: 30,335,456 km (0.118 R)
• M21: 30,996,380 km (0.08 R)
• M22: 31,667,027 km (0.083 R)
• M23: 32,938,160 km (0.084 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 18,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit