🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.84 AU - 1 AU

Year: 327 Days

Day: 30.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 39,031,607 km

• M1: 74,201 km (0.089 R)
• M2: 541,843 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.35 AU - 1.59 AU

Year: 661 Days

Day: 27.5 Hours

Environment

Temp: -31 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,031,607 km

• M1: 68,366 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.63 AU - 2.57 AU

Year: 1129 Days

Day: 33.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,031,607 km

• M1: 60,138 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 14.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.17 AU - 8.55 AU

Year: 7405 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,031,607 km

• M1: 189,541 km (0.111 R)
• M2: 716,574 km (0.115 R)
• M3: 1,314,367 km (0.074 R)
• M4: 1,903,184 km (0.093 R)
• M5: 2,789,851 km (0.049 R)
• M6: 3,695,217 km (0.075 R)
• M7: 4,973,232 km (0.112 R)
• M8: 9,757,072 km (0.061 R)
• M9: 10,990,806 km (0.096 R)
• M10: 14,695,298 km (0.085 R)
• M11: 16,982,500 km (0.11 R)
• M12: 17,668,406 km (0.081 R)
• M13: 21,523,394 km (0.08 R)
• M14: 25,339,187 km (0.064 R)
• M15: 27,662,142 km (0.065 R)
• M16: 30,124,074 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329

Radius: 14.9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.05 AU - 9.65 AU

Year: 10603 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,031,607 km

• M1: 210,933 km (0.113 R)
• M2: 799,601 km (0.118 R)
• M3: 1,365,081 km (0.061 R)
• M4: 1,850,825 km (0.103 R)
• M5: 3,295,491 km (0.116 R)
• M6: 3,892,985 km (0.085 R)
• M7: 4,589,663 km (0.082 R)
• M8: 6,543,112 km (0.073 R)
• M9: 7,229,018 km (0.077 R)
• M10: 8,916,183 km (0.117 R)
• M11: 9,578,452 km (0.117 R)
• M12: 10,273,484 km (0.119 R)
• M13: 11,201,889 km (0.058 R)
• M14: 16,119,021 km (0.079 R)
• M15: 17,372,950 km (0.11 R)
• M16: 17,989,144 km (0.113 R)
• M17: 19,851,637 km (0.072 R)
• M18: 20,906,302 km (0.104 R)
• M19: 24,210,620 km (0.059 R)
• M20: 25,414,434 km (0.091 R)
• M21: 26,120,237 km (0.079 R)
• M22: 27,294,730 km (0.047 R)
• M23: 28,788,465 km (0.093 R)
• M24: 36,859,120 km (0.096 R)
• M25: 37,422,805 km (0.059 R)
• M26: 38,798,956 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 19,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit