🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.84 AU - 0.92 AU

Year: 293 Days

Day: 32.5 Hours

Environment

Temp: 167 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,229,809 km

• M1: 16,157 km (0.062 R)
• M2: 84,672 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.89 AU - 1.19 AU

Year: 376 Days

Day: 26.3 Hours

Environment

Temp: 156 °C

Axial Tilt: 16.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.69 AU - 3.41 AU

Year: 1890 Days

Day: 46.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.38 AU - 4.66 AU

Year: 3409 Days

Day: 38.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 8.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.45 AU - 6.51 AU

Year: 5852 Days

Day: 7.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,229,809 km

• M1: 103,223 km (0.117 R)
• M2: 367,412 km (0.105 R)
• M3: 648,357 km (0.093 R)
• M4: 967,599 km (0.096 R)
• M5: 1,294,171 km (0.048 R)
• M6: 1,682,677 km (0.051 R)
• M7: 2,679,747 km (0.119 R)
• M8: 3,224,133 km (0.047 R)
• M9: 4,486,889 km (0.091 R)
• M10: 5,537,964 km (0.094 R)
• M11: 5,804,248 km (0.075 R)
• M12: 6,774,689 km (0.073 R)
• M13: 7,079,869 km (0.092 R)
• M14: 7,362,160 km (0.097 R)
• M15: 7,949,631 km (0.085 R)
• M16: 10,986,318 km (0.1 R)
• M17: 11,280,427 km (0.058 R)
• M18: 11,753,157 km (0.114 R)
• M19: 12,239,200 km (0.096 R)
• M20: 13,584,683 km (0.11 R)
• M21: 14,923,734 km (0.105 R)
• M22: 18,504,359 km (0.076 R)
• M23: 21,035,555 km (0.078 R)
• M24: 21,359,135 km (0.117 R)
• M25: 22,619,647 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 12

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.54 AU - 8.38 AU

Year: 7228 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,229,809 km

• M1: 149,299 km (0.113 R)
• M2: 556,953 km (0.032 R)
• M3: 1,641,837 km (0.074 R)
• M4: 2,172,610 km (0.065 R)
• M5: 2,582,658 km (0.025 R)
• M6: 3,453,916 km (0.096 R)
• M7: 4,694,082 km (0.049 R)
• M8: 10,232,943 km (0.092 R)
• M9: 10,642,841 km (0.118 R)
• M10: 12,190,431 km (0.052 R)
• M11: 14,049,334 km (0.086 R)
• M12: 18,927,871 km (0.102 R)
• M13: 21,043,932 km (0.06 R)
• M14: 24,426,041 km (0.093 R)
• M15: 27,537,826 km (0.108 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 18,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit