🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.61 AU - 0.83 AU

Year: 228 Days

Day: 42.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.24 AU - 1.3 AU

Year: 534 Days

Day: 31.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.39 AU - 1.91 AU

Year: 790 Days

Day: 41 Hours

Environment

Temp: -46 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,055,462 km

• M1: 40,391 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.44 AU - 2 AU

Year: 841 Days

Day: 47.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.97 AU - 3.77 AU

Year: 2306 Days

Day: 17.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.8

Radius: 10.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.45 AU - 12.15 AU

Year: 11437 Days

Day: 15 Hours

Environment

Temp: -178 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,055,462 km

• M1: 128,355 km (0.034 R)
• M2: 477,666 km (0.114 R)
• M3: 884,871 km (0.057 R)
• M4: 1,362,837 km (0.045 R)
• M5: 2,755,144 km (0.112 R)
• M6: 4,001,593 km (0.092 R)
• M7: 8,287,423 km (0.062 R)
• M8: 20,632,090 km (0.07 R)
• M9: 24,645,052 km (0.112 R)
• M10: 27,709,864 km (0.118 R)
• M11: 28,423,895 km (0.108 R)
• M12: 30,829,578 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 8.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 11.29 AU - 12.07 AU

Year: 14881 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,055,462 km

• M1: 115,789 km (0.112 R)
• M2: 446,849 km (0.083 R)
• M3: 765,642 km (0.11 R)
• M4: 1,215,184 km (0.11 R)
• M5: 2,186,522 km (0.081 R)
• M6: 6,187,817 km (0.093 R)
• M7: 7,770,861 km (0.06 R)
• M8: 18,148,615 km (0.058 R)
• M9: 20,264,677 km (0.112 R)
• M10: 22,106,377 km (0.047 R)
• M11: 25,168,047 km (0.053 R)
• M12: 28,399,061 km (0.065 R)
• M13: 33,463,548 km (0.072 R)
• M14: 42,073,952 km (0.107 R)
• M15: 47,745,656 km (0.037 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 16,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit